diff options
| author | Dave Airlie <airlied@redhat.com> | 2017-08-15 09:16:58 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2017-08-15 09:16:58 +0300 |
| commit | 0c697fafc66830ca7d5dc19123a1d0641deaa1f6 (patch) | |
| tree | c56336719ca8de16f78ada78e606dffa471e47d5 /drivers | |
| parent | 09ef2378dc42339f3871584dc26d27da220277cb (diff) | |
| parent | ef954844c7ace62f773f4f23e28d2d915adc419f (diff) | |
| download | linux-0c697fafc66830ca7d5dc19123a1d0641deaa1f6.tar.xz | |
Backmerge tag 'v4.13-rc5' into drm-next
Linux 4.13-rc5
There's a really nasty nouveau collision, hopefully someone can take a look
once I pushed this out.
Diffstat (limited to 'drivers')
443 files changed, 4215 insertions, 2674 deletions
diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index fc6c416f8724..d5999eb41c00 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -180,8 +180,8 @@ static const struct acpi_device_id acpi_apd_device_ids[] = { { "APMC0D0F", APD_ADDR(xgene_i2c_desc) }, { "BRCM900D", APD_ADDR(vulcan_spi_desc) }, { "CAV900D", APD_ADDR(vulcan_spi_desc) }, - { "HISI0A21", APD_ADDR(hip07_i2c_desc) }, - { "HISI0A22", APD_ADDR(hip08_i2c_desc) }, + { "HISI02A1", APD_ADDR(hip07_i2c_desc) }, + { "HISI02A2", APD_ADDR(hip08_i2c_desc) }, #endif { } }; diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index e51a1e98e62f..f88caf5aab76 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -85,6 +85,7 @@ static const struct lpss_device_desc lpss_dma_desc = { }; struct lpss_private_data { + struct acpi_device *adev; void __iomem *mmio_base; resource_size_t mmio_size; unsigned int fixed_clk_rate; @@ -155,6 +156,12 @@ static struct pwm_lookup byt_pwm_lookup[] = { static void byt_pwm_setup(struct lpss_private_data *pdata) { + struct acpi_device *adev = pdata->adev; + + /* Only call pwm_add_table for the first PWM controller */ + if (!adev->pnp.unique_id || strcmp(adev->pnp.unique_id, "1")) + return; + if (!acpi_dev_present("INT33FD", NULL, -1)) pwm_add_table(byt_pwm_lookup, ARRAY_SIZE(byt_pwm_lookup)); } @@ -180,6 +187,12 @@ static struct pwm_lookup bsw_pwm_lookup[] = { static void bsw_pwm_setup(struct lpss_private_data *pdata) { + struct acpi_device *adev = pdata->adev; + + /* Only call pwm_add_table for the first PWM controller */ + if (!adev->pnp.unique_id || strcmp(adev->pnp.unique_id, "1")) + return; + pwm_add_table(bsw_pwm_lookup, ARRAY_SIZE(bsw_pwm_lookup)); } @@ -456,6 +469,7 @@ static int acpi_lpss_create_device(struct acpi_device *adev, goto err_out; } + pdata->adev = adev; pdata->dev_desc = dev_desc; if (dev_desc->setup) diff --git a/drivers/acpi/acpi_watchdog.c b/drivers/acpi/acpi_watchdog.c index 8c4e0a18460a..bf22c29d2517 100644 --- a/drivers/acpi/acpi_watchdog.c +++ b/drivers/acpi/acpi_watchdog.c @@ -86,7 +86,12 @@ void __init acpi_watchdog_init(void) found = false; resource_list_for_each_entry(rentry, &resource_list) { - if (resource_contains(rentry->res, &res)) { + if (rentry->res->flags == res.flags && + resource_overlaps(rentry->res, &res)) { + if (res.start < rentry->res->start) + rentry->res->start = res.start; + if (res.end > rentry->res->end) + rentry->res->end = res.end; found = true; break; } diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index ddb01e9fa5b2..62068a5e814f 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -151,6 +151,10 @@ static bool ec_freeze_events __read_mostly = false; module_param(ec_freeze_events, bool, 0644); MODULE_PARM_DESC(ec_freeze_events, "Disabling event handling during suspend/resume"); +static bool ec_no_wakeup __read_mostly; +module_param(ec_no_wakeup, bool, 0644); +MODULE_PARM_DESC(ec_no_wakeup, "Do not wake up from suspend-to-idle"); + struct acpi_ec_query_handler { struct list_head node; acpi_ec_query_func func; @@ -535,6 +539,14 @@ static void acpi_ec_disable_event(struct acpi_ec *ec) spin_unlock_irqrestore(&ec->lock, flags); __acpi_ec_flush_event(ec); } + +void acpi_ec_flush_work(void) +{ + if (first_ec) + __acpi_ec_flush_event(first_ec); + + flush_scheduled_work(); +} #endif /* CONFIG_PM_SLEEP */ static bool acpi_ec_guard_event(struct acpi_ec *ec) @@ -1880,6 +1892,32 @@ static int acpi_ec_suspend(struct device *dev) return 0; } +static int acpi_ec_suspend_noirq(struct device *dev) +{ + struct acpi_ec *ec = acpi_driver_data(to_acpi_device(dev)); + + /* + * The SCI handler doesn't run at this point, so the GPE can be + * masked at the low level without side effects. + */ + if (ec_no_wakeup && test_bit(EC_FLAGS_STARTED, &ec->flags) && + ec->reference_count >= 1) + acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_DISABLE); + + return 0; +} + +static int acpi_ec_resume_noirq(struct device *dev) +{ + struct acpi_ec *ec = acpi_driver_data(to_acpi_device(dev)); + + if (ec_no_wakeup && test_bit(EC_FLAGS_STARTED, &ec->flags) && + ec->reference_count >= 1) + acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_ENABLE); + + return 0; +} + static int acpi_ec_resume(struct device *dev) { struct acpi_ec *ec = @@ -1891,6 +1929,7 @@ static int acpi_ec_resume(struct device *dev) #endif static const struct dev_pm_ops acpi_ec_pm = { + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(acpi_ec_suspend_noirq, acpi_ec_resume_noirq) SET_SYSTEM_SLEEP_PM_OPS(acpi_ec_suspend, acpi_ec_resume) }; diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 9531d3276f65..58dd7ab3c653 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -193,6 +193,10 @@ int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, void *data); void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); +#ifdef CONFIG_PM_SLEEP +void acpi_ec_flush_work(void); +#endif + /*-------------------------------------------------------------------------- Suspend/Resume diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index edb0c79f7c64..917f1cc0fda4 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -443,7 +443,7 @@ int __init acpi_numa_init(void) * So go over all cpu entries in SRAT to get apicid to node mapping. */ - /* SRAT: Static Resource Affinity Table */ + /* SRAT: System Resource Affinity Table */ if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) { struct acpi_subtable_proc srat_proc[3]; diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index be17664736b2..fa8243c5c062 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -777,11 +777,11 @@ static void acpi_freeze_sync(void) /* * Process all pending events in case there are any wakeup ones. * - * The EC driver uses the system workqueue, so that one needs to be - * flushed too. + * The EC driver uses the system workqueue and an additional special + * one, so those need to be flushed too. */ + acpi_ec_flush_work(); acpi_os_wait_events_complete(); - flush_scheduled_work(); s2idle_wakeup = false; } diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c index 4ac3e06b41d8..98aa8c808a33 100644 --- a/drivers/acpi/spcr.c +++ b/drivers/acpi/spcr.c @@ -17,6 +17,16 @@ #include <linux/serial_core.h> /* + * Erratum 44 for QDF2432v1 and QDF2400v1 SoCs describes the BUSY bit as + * occasionally getting stuck as 1. To avoid the potential for a hang, check + * TXFE == 0 instead of BUSY == 1. This may not be suitable for all UART + * implementations, so only do so if an affected platform is detected in + * parse_spcr(). + */ +bool qdf2400_e44_present; +EXPORT_SYMBOL(qdf2400_e44_present); + +/* * Some Qualcomm Datacenter Technologies SoCs have a defective UART BUSY bit. * Detect them by examining the OEM fields in the SPCR header, similiar to PCI * quirk detection in pci_mcfg.c. @@ -147,8 +157,30 @@ int __init parse_spcr(bool earlycon) goto done; } - if (qdf2400_erratum_44_present(&table->header)) - uart = "qdf2400_e44"; + /* + * If the E44 erratum is required, then we need to tell the pl011 + * driver to implement the work-around. + * + * The global variable is used by the probe function when it + * creates the UARTs, whether or not they're used as a console. + * + * If the user specifies "traditional" earlycon, the qdf2400_e44 + * console name matches the EARLYCON_DECLARE() statement, and + * SPCR is not used. Parameter "earlycon" is false. + * + * If the user specifies "SPCR" earlycon, then we need to update + * the console name so that it also says "qdf2400_e44". Parameter + * "earlycon" is true. + * + * For consistency, if we change the console name, then we do it + * for everyone, not just earlycon. + */ + if (qdf2400_erratum_44_present(&table->header)) { + qdf2400_e44_present = true; + if (earlycon) + uart = "qdf2400_e44"; + } + if (xgene_8250_erratum_present(table)) iotype = "mmio32"; diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 948fc86980a1..363fc5330c21 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -215,7 +215,7 @@ config SATA_FSL config SATA_GEMINI tristate "Gemini SATA bridge support" - depends on PATA_FTIDE010 + depends on ARCH_GEMINI || COMPILE_TEST default ARCH_GEMINI help This enabled support for the FTIDE010 to SATA bridge @@ -613,7 +613,7 @@ config PATA_FTIDE010 tristate "Faraday Technology FTIDE010 PATA support" depends on OF depends on ARM - default ARCH_GEMINI + depends on SATA_GEMINI help This option enables support for the Faraday FTIDE010 PATA controller found in the Cortina Gemini SoCs. diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 8453f9a4682f..fa7dd4394c02 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2083,7 +2083,7 @@ unsigned int ata_read_log_page(struct ata_device *dev, u8 log, retry: ata_tf_init(dev, &tf); if (dev->dma_mode && ata_id_has_read_log_dma_ext(dev->id) && - !(dev->horkage & ATA_HORKAGE_NO_NCQ_LOG)) { + !(dev->horkage & ATA_HORKAGE_NO_DMA_LOG)) { tf.command = ATA_CMD_READ_LOG_DMA_EXT; tf.protocol = ATA_PROT_DMA; dma = true; @@ -2102,8 +2102,8 @@ retry: buf, sectors * ATA_SECT_SIZE, 0); if (err_mask && dma) { - dev->horkage |= ATA_HORKAGE_NO_NCQ_LOG; - ata_dev_warn(dev, "READ LOG DMA EXT failed, trying unqueued\n"); + dev->horkage |= ATA_HORKAGE_NO_DMA_LOG; + ata_dev_warn(dev, "READ LOG DMA EXT failed, trying PIO\n"); goto retry; } diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index b70bcf6d2914..3dbd05532c09 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1434,7 +1434,7 @@ void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev, /** * ata_eh_done - EH action complete -* @ap: target ATA port + * @link: ATA link for which EH actions are complete * @dev: target ATA dev for per-dev action (can be NULL) * @action: action just completed * @@ -1576,7 +1576,7 @@ unsigned int atapi_eh_tur(struct ata_device *dev, u8 *r_sense_key) /** * ata_eh_request_sense - perform REQUEST_SENSE_DATA_EXT - * @dev: device to perform REQUEST_SENSE_SENSE_DATA_EXT to + * @qc: qc to perform REQUEST_SENSE_SENSE_DATA_EXT to * @cmd: scsi command for which the sense code should be set * * Perform REQUEST_SENSE_DATA_EXT after the device reported CHECK @@ -4175,7 +4175,6 @@ static void ata_eh_handle_port_resume(struct ata_port *ap) struct ata_link *link; struct ata_device *dev; unsigned long flags; - int rc = 0; /* are we resuming? */ spin_lock_irqsave(ap->lock, flags); @@ -4202,7 +4201,7 @@ static void ata_eh_handle_port_resume(struct ata_port *ap) ata_acpi_set_state(ap, ap->pm_mesg); if (ap->ops->port_resume) - rc = ap->ops->port_resume(ap); + ap->ops->port_resume(ap); /* tell ACPI that we're resuming */ ata_acpi_on_resume(ap); diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index d462c5a3a7ef..44ba292f2cd7 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -3030,10 +3030,12 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc) static struct ata_device *ata_find_dev(struct ata_port *ap, int devno) { if (!sata_pmp_attached(ap)) { - if (likely(devno < ata_link_max_devices(&ap->link))) + if (likely(devno >= 0 && + devno < ata_link_max_devices(&ap->link))) return &ap->link.device[devno]; } else { - if (likely(devno < ap->nr_pmp_links)) + if (likely(devno >= 0 && + devno < ap->nr_pmp_links)) return &ap->pmp_link[devno].device[0]; } diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index ee9844758736..537d11869069 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -858,6 +858,14 @@ static const struct of_device_id sata_rcar_match[] = { .compatible = "renesas,sata-r8a7795", .data = (void *)RCAR_GEN2_SATA }, + { + .compatible = "renesas,rcar-gen2-sata", + .data = (void *)RCAR_GEN2_SATA + }, + { + .compatible = "renesas,rcar-gen3-sata", + .data = (void *)RCAR_GEN2_SATA + }, { }, }; MODULE_DEVICE_TABLE(of, sata_rcar_match); diff --git a/drivers/base/dma-coherent.c b/drivers/base/dma-coherent.c index 2ae24c28e70c..1c152aed6b82 100644 --- a/drivers/base/dma-coherent.c +++ b/drivers/base/dma-coherent.c @@ -25,7 +25,7 @@ static inline struct dma_coherent_mem *dev_get_coherent_memory(struct device *de { if (dev && dev->dma_mem) return dev->dma_mem; - return dma_coherent_default_memory; + return NULL; } static inline dma_addr_t dma_get_device_base(struct device *dev, @@ -165,34 +165,15 @@ void *dma_mark_declared_memory_occupied(struct device *dev, } EXPORT_SYMBOL(dma_mark_declared_memory_occupied); -/** - * dma_alloc_from_coherent() - try to allocate memory from the per-device coherent area - * - * @dev: device from which we allocate memory - * @size: size of requested memory area - * @dma_handle: This will be filled with the correct dma handle - * @ret: This pointer will be filled with the virtual address - * to allocated area. - * - * This function should be only called from per-arch dma_alloc_coherent() - * to support allocation from per-device coherent memory pools. - * - * Returns 0 if dma_alloc_coherent should continue with allocating from - * generic memory areas, or !0 if dma_alloc_coherent should return @ret. - */ -int dma_alloc_from_coherent(struct device *dev, ssize_t size, - dma_addr_t *dma_handle, void **ret) +static void *__dma_alloc_from_coherent(struct dma_coherent_mem *mem, + ssize_t size, dma_addr_t *dma_handle) { - struct dma_coherent_mem *mem = dev_get_coherent_memory(dev); int order = get_order(size); unsigned long flags; int pageno; int dma_memory_map; + void *ret; - if (!mem) - return 0; - - *ret = NULL; spin_lock_irqsave(&mem->spinlock, flags); if (unlikely(size > (mem->size << PAGE_SHIFT))) @@ -203,21 +184,50 @@ int dma_alloc_from_coherent(struct device *dev, ssize_t size, goto err; /* - * Memory was found in the per-device area. + * Memory was found in the coherent area. */ - *dma_handle = dma_get_device_base(dev, mem) + (pageno << PAGE_SHIFT); - *ret = mem->virt_base + (pageno << PAGE_SHIFT); + *dma_handle = mem->device_base + (pageno << PAGE_SHIFT); + ret = mem->virt_base + (pageno << PAGE_SHIFT); dma_memory_map = (mem->flags & DMA_MEMORY_MAP); spin_unlock_irqrestore(&mem->spinlock, flags); if (dma_memory_map) - memset(*ret, 0, size); + memset(ret, 0, size); else - memset_io(*ret, 0, size); + memset_io(ret, 0, size); - return 1; + return ret; err: spin_unlock_irqrestore(&mem->spinlock, flags); + return NULL; +} + +/** + * dma_alloc_from_dev_coherent() - allocate memory from device coherent pool + * @dev: device from which we allocate memory + * @size: size of requested memory area + * @dma_handle: This will be filled with the correct dma handle + * @ret: This pointer will be filled with the virtual address + * to allocated area. + * + * This function should be only called from per-arch dma_alloc_coherent() + * to support allocation from per-device coherent memory pools. + * + * Returns 0 if dma_alloc_coherent should continue with allocating from + * generic memory areas, or !0 if dma_alloc_coherent should return @ret. + */ +int dma_alloc_from_dev_coherent(struct device *dev, ssize_t size, + dma_addr_t *dma_handle, void **ret) +{ + struct dma_coherent_mem *mem = dev_get_coherent_memory(dev); + + if (!mem) + return 0; + + *ret = __dma_alloc_from_coherent(mem, size, dma_handle); + if (*ret) + return 1; + /* * In the case where the allocation can not be satisfied from the * per-device area, try to fall back to generic memory if the @@ -225,25 +235,20 @@ err: */ return mem->flags & DMA_MEMORY_EXCLUSIVE; } -EXPORT_SYMBOL(dma_alloc_from_coherent); +EXPORT_SYMBOL(dma_alloc_from_dev_coherent); -/** - * dma_release_from_coherent() - try to free the memory allocated from per-device coherent memory pool - * @dev: device from which the memory was allocated - * @order: the order of pages allocated - * @vaddr: virtual address of allocated pages - * - * This checks whether the memory was allocated from the per-device - * coherent memory pool and if so, releases that memory. - * - * Returns 1 if we correctly released the memory, or 0 if - * dma_release_coherent() should proceed with releasing memory from - * generic pools. - */ -int dma_release_from_coherent(struct device *dev, int order, void *vaddr) +void *dma_alloc_from_global_coherent(ssize_t size, dma_addr_t *dma_handle) { - struct dma_coherent_mem *mem = dev_get_coherent_memory(dev); + if (!dma_coherent_default_memory) + return NULL; + + return __dma_alloc_from_coherent(dma_coherent_default_memory, size, + dma_handle); +} +static int __dma_release_from_coherent(struct dma_coherent_mem *mem, + int order, void *vaddr) +{ if (mem && vaddr >= mem->virt_base && vaddr < (mem->virt_base + (mem->size << PAGE_SHIFT))) { int page = (vaddr - mem->virt_base) >> PAGE_SHIFT; @@ -256,28 +261,39 @@ int dma_release_from_coherent(struct device *dev, int order, void *vaddr) } return 0; } -EXPORT_SYMBOL(dma_release_from_coherent); /** - * dma_mmap_from_coherent() - try to mmap the memory allocated from - * per-device coherent memory pool to userspace + * dma_release_from_dev_coherent() - free memory to device coherent memory pool * @dev: device from which the memory was allocated - * @vma: vm_area for the userspace memory - * @vaddr: cpu address returned by dma_alloc_from_coherent - * @size: size of the memory buffer allocated by dma_alloc_from_coherent - * @ret: result from remap_pfn_range() + * @order: the order of pages allocated + * @vaddr: virtual address of allocated pages * * This checks whether the memory was allocated from the per-device - * coherent memory pool and if so, maps that memory to the provided vma. + * coherent memory pool and if so, releases that memory. * - * Returns 1 if we correctly mapped the memory, or 0 if the caller should - * proceed with mapping memory from generic pools. + * Returns 1 if we correctly released the memory, or 0 if the caller should + * proceed with releasing memory from generic pools. */ -int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma, - void *vaddr, size_t size, int *ret) +int dma_release_from_dev_coherent(struct device *dev, int order, void *vaddr) { struct dma_coherent_mem *mem = dev_get_coherent_memory(dev); + return __dma_release_from_coherent(mem, order, vaddr); +} +EXPORT_SYMBOL(dma_release_from_dev_coherent); + +int dma_release_from_global_coherent(int order, void *vaddr) +{ + if (!dma_coherent_default_memory) + return 0; + + return __dma_release_from_coherent(dma_coherent_default_memory, order, + vaddr); +} + +static int __dma_mmap_from_coherent(struct dma_coherent_mem *mem, + struct vm_area_struct *vma, void *vaddr, size_t size, int *ret) +{ if (mem && vaddr >= mem->virt_base && vaddr + size <= (mem->virt_base + (mem->size << PAGE_SHIFT))) { unsigned long off = vma->vm_pgoff; @@ -296,7 +312,39 @@ int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma, } return 0; } -EXPORT_SYMBOL(dma_mmap_from_coherent); + +/** + * dma_mmap_from_dev_coherent() - mmap memory from the device coherent pool + * @dev: device from which the memory was allocated + * @vma: vm_area for the userspace memory + * @vaddr: cpu address returned by dma_alloc_from_dev_coherent + * @size: size of the memory buffer allocated + * @ret: result from remap_pfn_range() + * + * This checks whether the memory was allocated from the per-device + * coherent memory pool and if so, maps that memory to the provided vma. + * + * Returns 1 if we correctly mapped the memory, or 0 if the caller should + * proceed with mapping memory from generic pools. + */ +int dma_mmap_from_dev_coherent(struct device *dev, struct vm_area_struct *vma, + void *vaddr, size_t size, int *ret) +{ + struct dma_coherent_mem *mem = dev_get_coherent_memory(dev); + + return __dma_mmap_from_coherent(mem, vma, vaddr, size, ret); +} +EXPORT_SYMBOL(dma_mmap_from_dev_coherent); + +int dma_mmap_from_global_coherent(struct vm_area_struct *vma, void *vaddr, + size_t size, int *ret) +{ + if (!dma_coherent_default_memory) + return 0; + + return __dma_mmap_from_coherent(dma_coherent_default_memory, vma, + vaddr, size, ret); +} /* * Support for reserved memory regions defined in device tree diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c index 5096755d185e..b555ff9dd8fc 100644 --- a/drivers/base/dma-mapping.c +++ b/drivers/base/dma-mapping.c @@ -235,7 +235,7 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret)) + if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret)) return ret; if (off < count && user_count <= (count - off)) { diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index b9f907eedbf7..bfbe1e154128 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -30,7 +30,6 @@ #include <linux/syscore_ops.h> #include <linux/reboot.h> #include <linux/security.h> -#include <linux/swait.h> #include <generated/utsrelease.h> @@ -112,13 +111,13 @@ static inline long firmware_loading_timeout(void) * state of the firmware loading. */ struct fw_state { - struct swait_queue_head wq; + struct completion completion; enum fw_status status; }; static void fw_state_init(struct fw_state *fw_st) { - init_swait_queue_head(&fw_st->wq); + init_completion(&fw_st->completion); fw_st->status = FW_STATUS_UNKNOWN; } @@ -131,9 +130,7 @@ static int __fw_state_wait_common(struct fw_state *fw_st, long timeout) { long ret; - ret = swait_event_interruptible_timeout(fw_st->wq, - __fw_state_is_done(READ_ONCE(fw_st->status)), - timeout); + ret = wait_for_completion_killable_timeout(&fw_st->completion, timeout); if (ret != 0 && fw_st->status == FW_STATUS_ABORTED) return -ENOENT; if (!ret) @@ -148,35 +145,34 @@ static void __fw_state_set(struct fw_state *fw_st, WRITE_ONCE(fw_st->status, status); if (status == FW_STATUS_DONE || status == FW_STATUS_ABORTED) - swake_up(&fw_st->wq); + complete_all(&fw_st->completion); } #define fw_state_start(fw_st) \ __fw_state_set(fw_st, FW_STATUS_LOADING) #define fw_state_done(fw_st) \ __fw_state_set(fw_st, FW_STATUS_DONE) +#define fw_state_aborted(fw_st) \ + __fw_state_set(fw_st, FW_STATUS_ABORTED) #define fw_state_wait(fw_st) \ __fw_state_wait_common(fw_st, MAX_SCHEDULE_TIMEOUT) -#ifndef CONFIG_FW_LOADER_USER_HELPER - -#define fw_state_is_aborted(fw_st) false - -#else /* CONFIG_FW_LOADER_USER_HELPER */ - static int __fw_state_check(struct fw_state *fw_st, enum fw_status status) { return fw_st->status == status; } +#define fw_state_is_aborted(fw_st) \ + __fw_state_check(fw_st, FW_STATUS_ABORTED) + +#ifdef CONFIG_FW_LOADER_USER_HELPER + #define fw_state_aborted(fw_st) \ __fw_state_set(fw_st, FW_STATUS_ABORTED) #define fw_state_is_done(fw_st) \ __fw_state_check(fw_st, FW_STATUS_DONE) #define fw_state_is_loading(fw_st) \ __fw_state_check(fw_st, FW_STATUS_LOADING) -#define fw_state_is_aborted(fw_st) \ - __fw_state_check(fw_st, FW_STATUS_ABORTED) #define fw_state_wait_timeout(fw_st, timeout) \ __fw_state_wait_common(fw_st, timeout) @@ -1200,6 +1196,28 @@ _request_firmware_prepare(struct firmware **firmware_p, const char *name, return 1; /* need to load */ } +/* + * Batched requests need only one wake, we need to do this step last due to the + * fallback mechanism. The buf is protected with kref_get(), and it won't be + * released until the last user calls release_firmware(). + * + * Failed batched requests are possible as well, in such cases we just share + * the struct firmware_buf and won't release it until all requests are woken + * and have gone through this same path. + */ +static void fw_abort_batch_reqs(struct firmware *fw) +{ + struct firmware_buf *buf; + + /* Loaded directly? */ + if (!fw || !fw->priv) + return; + + buf = fw->priv; + if (!fw_state_is_aborted(&buf->fw_st)) + fw_state_aborted(&buf->fw_st); +} + /* called from request_firmware() and request_firmware_work_func() */ static int _request_firmware(const struct firmware **firmware_p, const char *name, @@ -1243,6 +1261,7 @@ _request_firmware(const struct firmware **firmware_p, const char *name, out: if (ret < 0) { + fw_abort_batch_reqs(fw); release_firmware(fw); fw = NULL; } diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 87a0a29f6e7e..5bdf923294a5 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -908,7 +908,8 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg) continue; } sk_set_memalloc(sock->sk); - sock->sk->sk_sndtimeo = nbd->tag_set.timeout; + if (nbd->tag_set.timeout) + sock->sk->sk_sndtimeo = nbd->tag_set.timeout; atomic_inc(&config->recv_threads); refcount_inc(&nbd->config_refs); old = nsock->sock; @@ -922,6 +923,8 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg) mutex_unlock(&nsock->tx_lock); sockfd_put(old); + clear_bit(NBD_DISCONNECTED, &config->runtime_flags); + /* We take the tx_mutex in an error path in the recv_work, so we * need to queue_work outside of the tx_mutex. */ @@ -978,11 +981,15 @@ static void send_disconnects(struct nbd_device *nbd) int i, ret; for (i = 0; i < config->num_connections; i++) { + struct nbd_sock *nsock = config->socks[i]; + iov_iter_kvec(&from, WRITE | ITER_KVEC, &iov, 1, sizeof(request)); + mutex_lock(&nsock->tx_lock); ret = sock_xmit(nbd, i, 1, &from, 0, NULL); if (ret <= 0) dev_err(disk_to_dev(nbd->disk), "Send disconnect failed %d\n", ret); + mutex_unlock(&nsock->tx_lock); } } @@ -991,9 +998,8 @@ static int nbd_disconnect(struct nbd_device *nbd) struct nbd_config *config = nbd->config; dev_info(disk_to_dev(nbd->disk), "NBD_DISCONNECT\n"); - if (!test_and_set_bit(NBD_DISCONNECT_REQUESTED, - &config->runtime_flags)) - send_disconnects(nbd); + set_bit(NBD_DISCONNECT_REQUESTED, &config->runtime_flags); + send_disconnects(nbd); return 0; } @@ -1074,7 +1080,9 @@ static int nbd_start_device(struct nbd_device *nbd) return -ENOMEM; } sk_set_memalloc(config->socks[i]->sock->sk); - config->socks[i]->sock->sk->sk_sndtimeo = nbd->tag_set.timeout; + if (nbd->tag_set.timeout) + config->socks[i]->sock->sk->sk_sndtimeo = + nbd->tag_set.timeout; atomic_inc(&config->recv_threads); refcount_inc(&nbd->config_refs); INIT_WORK(&args->work, recv_work); diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c index 6b16ead1da58..ad9749463d4f 100644 --- a/drivers/block/sunvdc.c +++ b/drivers/block/sunvdc.c @@ -875,6 +875,56 @@ static void print_version(void) printk(KERN_INFO "%s", version); } +struct vdc_check_port_data { + int dev_no; + char *type; +}; + +static int vdc_device_probed(struct device *dev, void *arg) +{ + struct vio_dev *vdev = to_vio_dev(dev); + struct vdc_check_port_data *port_data; + + port_data = (struct vdc_check_port_data *)arg; + + if ((vdev->dev_no == port_data->dev_no) && + (!(strcmp((char *)&vdev->type, port_data->type))) && + dev_get_drvdata(dev)) { + /* This device has already been configured + * by vdc_port_probe() + */ + return 1; + } else { + return 0; + } +} + +/* Determine whether the VIO device is part of an mpgroup + * by locating all the virtual-device-port nodes associated + * with the parent virtual-device node for the VIO device + * and checking whether any of these nodes are vdc-ports + * which have already been configured. + * + * Returns true if this device is part of an mpgroup and has + * already been probed. + */ +static bool vdc_port_mpgroup_check(struct vio_dev *vdev) +{ + struct vdc_check_port_data port_data; + struct device *dev; + + port_data.dev_no = vdev->dev_no; + port_data.type = (char *)&vdev->type; + + dev = device_find_child(vdev->dev.parent, &port_data, + vdc_device_probed); + + if (dev) + return true; + + return false; +} + static int vdc_port_probe(struct vio_dev *vdev, const struct vio_device_id *id) { struct mdesc_handle *hp; @@ -893,6 +943,14 @@ static int vdc_port_probe(struct vio_dev *vdev, const struct vio_device_id *id) goto err_out_release_mdesc; } + /* Check if this device is part of an mpgroup */ + if (vdc_port_mpgroup_check(vdev)) { + printk(KERN_WARNING + "VIO: Ignoring extra vdisk port %s", + dev_name(&vdev->dev)); + goto err_out_release_mdesc; + } + port = kzalloc(sizeof(*port), GFP_KERNEL); err = -ENOMEM; if (!port) { @@ -943,6 +1001,9 @@ static int vdc_port_probe(struct vio_dev *vdev, const struct vio_device_id *id) if (err) goto err_out_free_tx_ring; + /* Note that the device driver_data is used to determine + * whether the port has been probed. + */ dev_set_drvdata(&vdev->dev, port); mdesc_release(hp); diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 4e02aa5fdac0..1498b899a593 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -541,12 +541,9 @@ virtblk_cache_type_store(struct device *dev, struct device_attribute *attr, int i; BUG_ON(!virtio_has_feature(vblk->vdev, VIRTIO_BLK_F_CONFIG_WCE)); - for (i = ARRAY_SIZE(virtblk_cache_types); --i >= 0; ) - if (sysfs_streq(buf, virtblk_cache_types[i])) - break; - + i = sysfs_match_string(virtblk_cache_types, buf); if (i < 0) - return -EINVAL; + return i; virtio_cwrite8(vdev, offsetof(struct virtio_blk_config, wce), i); virtblk_update_cache_mode(vdev); diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index c852ed3c01d5..98e34e4c62b8 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -111,7 +111,7 @@ struct blk_shadow { }; struct blkif_req { - int error; + blk_status_t error; }; static inline struct blkif_req *blkif_req(struct request *rq) @@ -708,6 +708,7 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri * existing persistent grants, or if we have to get new grants, * as there are not sufficiently many free. */ + bool new_persistent_gnts = false; struct scatterlist *sg; int num_sg, max_grefs, num_grant; @@ -719,19 +720,21 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri */ max_grefs += INDIRECT_GREFS(max_grefs); - /* - * We have to reserve 'max_grefs' grants because persistent - * grants are shared by all rings. - */ - if (max_grefs > 0) - if (gnttab_alloc_grant_references(max_grefs, &setup.gref_head) < 0) { + /* Check if we have enough persistent grants to allocate a requests */ + if (rinfo->persistent_gnts_c < max_grefs) { + new_persistent_gnts = true; + + if (gnttab_alloc_grant_references( + max_grefs - rinfo->persistent_gnts_c, + &setup.gref_head) < 0) { gnttab_request_free_callback( &rinfo->callback, blkif_restart_queue_callback, rinfo, - max_grefs); + max_grefs - rinfo->persistent_gnts_c); return 1; } + } /* Fill out a communications ring structure. */ id = blkif_ring_get_request(rinfo, req, &ring_req); @@ -832,7 +835,7 @@ static int blkif_queue_rw_req(struct request *req, struct blkfront_ring_info *ri if (unlikely(require_extra_req)) rinfo->shadow[extra_id].req = *extra_ring_req; - if (max_grefs > 0) + if (new_persistent_gnts) gnttab_free_grant_references(setup.gref_head); return 0; @@ -906,8 +909,8 @@ out_err: return BLK_STS_IOERR; out_busy: - spin_unlock_irqrestore(&rinfo->ring_lock, flags); blk_mq_stop_hw_queue(hctx); + spin_unlock_irqrestore(&rinfo->ring_lock, flags); return BLK_STS_RESOURCE; } @@ -1616,7 +1619,7 @@ static irqreturn_t blkif_interrupt(int irq, void *dev_id) if (unlikely(bret->status == BLKIF_RSP_EOPNOTSUPP)) { printk(KERN_WARNING "blkfront: %s: %s op failed\n", info->gd->disk_name, op_name(bret->operation)); - blkif_req(req)->error = -EOPNOTSUPP; + blkif_req(req)->error = BLK_STS_NOTSUPP; } if (unlikely(bret->status == BLKIF_RSP_ERROR && rinfo->shadow[id].req.u.rw.nr_segments == 0)) { diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 856d5dc02451..3b1b6340ba13 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -308,7 +308,7 @@ static ssize_t comp_algorithm_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { struct zram *zram = dev_to_zram(dev); - char compressor[CRYPTO_MAX_ALG_NAME]; + char compressor[ARRAY_SIZE(zram->compressor)]; size_t sz; strlcpy(compressor, buf, sizeof(compressor)); @@ -327,7 +327,7 @@ static ssize_t comp_algorithm_store(struct device *dev, return -EBUSY; } - strlcpy(zram->compressor, compressor, sizeof(compressor)); + strcpy(zram->compressor, compressor); up_write(&zram->init_lock); return len; } diff --git a/drivers/bus/uniphier-system-bus.c b/drivers/bus/uniphier-system-bus.c index 1e6e0269edcc..f76be6bd6eb3 100644 --- a/drivers/bus/uniphier-system-bus.c +++ b/drivers/bus/uniphier-system-bus.c @@ -256,10 +256,23 @@ static int uniphier_system_bus_probe(struct platform_device *pdev) uniphier_system_bus_set_reg(priv); + platform_set_drvdata(pdev, priv); + /* Now, the bus is configured. Populate platform_devices below it */ return of_platform_default_populate(dev->of_node, NULL, dev); } +static int __maybe_unused uniphier_system_bus_resume(struct device *dev) +{ + uniphier_system_bus_set_reg(dev_get_drvdata(dev)); + + return 0; +} + +static const struct dev_pm_ops uniphier_system_bus_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(NULL, uniphier_system_bus_resume) +}; + static const struct of_device_id uniphier_system_bus_match[] = { { .compatible = "socionext,uniphier-system-bus" }, { /* sentinel */ } @@ -271,6 +284,7 @@ static struct platform_driver uniphier_system_bus_driver = { .driver = { .name = "uniphier-system-bus", .of_match_table = uniphier_system_bus_match, + .pm = &uniphier_system_bus_pm_ops, }, }; module_platform_driver(uniphier_system_bus_driver); diff --git a/drivers/char/random.c b/drivers/char/random.c index afa3ce7d3e72..8ad92707e45f 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1492,7 +1492,7 @@ static void _warn_unseeded_randomness(const char *func_name, void *caller, #ifndef CONFIG_WARN_ALL_UNSEEDED_RANDOM print_once = true; #endif - pr_notice("random: %s called from %pF with crng_init=%d\n", + pr_notice("random: %s called from %pS with crng_init=%d\n", func_name, caller, crng_init); } diff --git a/drivers/clk/clk-gemini.c b/drivers/clk/clk-gemini.c index c391a49aaaff..b4cf2f699a21 100644 --- a/drivers/clk/clk-gemini.c +++ b/drivers/clk/clk-gemini.c @@ -237,6 +237,18 @@ static int gemini_reset(struct reset_controller_dev *rcdev, BIT(GEMINI_RESET_CPU1) | BIT(id)); } +static int gemini_reset_assert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return 0; +} + +static int gemini_reset_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + return 0; +} + static int gemini_reset_status(struct reset_controller_dev *rcdev, unsigned long id) { @@ -253,6 +265,8 @@ static int gemini_reset_status(struct reset_controller_dev *rcdev, static const struct reset_control_ops gemini_reset_ops = { .reset = gemini_reset, + .assert = gemini_reset_assert, + .deassert = gemini_reset_deassert, .status = gemini_reset_status, }; diff --git a/drivers/clk/keystone/sci-clk.c b/drivers/clk/keystone/sci-clk.c index 43b0f2f08df2..9cdf9d5050ac 100644 --- a/drivers/clk/keystone/sci-clk.c +++ b/drivers/clk/keystone/sci-clk.c @@ -22,6 +22,7 @@ #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/soc/ti/ti_sci_protocol.h> +#include <linux/bsearch.h> #define SCI_CLK_SSC_ENABLE BIT(0) #define SCI_CLK_ALLOW_FREQ_CHANGE BIT(1) @@ -44,6 +45,7 @@ struct sci_clk_data { * @dev: Device pointer for the clock provider * @clk_data: Clock data * @clocks: Clocks array for this device + * @num_clocks: Total number of clocks for this provider */ struct sci_clk_provider { const struct ti_sci_handle *sci; @@ -51,6 +53,7 @@ struct sci_clk_provider { struct device *dev; const struct sci_clk_data *clk_data; struct clk_hw **clocks; + int num_clocks; }; /** @@ -58,7 +61,6 @@ struct sci_clk_provider { * @hw: Hardware clock cookie for common clock framework * @dev_id: Device index * @clk_id: Clock index - * @node: Clocks list link * @provider: Master clock provider * @flags: Flags for the clock */ @@ -66,7 +68,6 @@ struct sci_clk { struct clk_hw hw; u16 dev_id; u8 clk_id; - struct list_head node; struct sci_clk_provider *provider; u8 flags; }; @@ -367,6 +368,19 @@ err: return &sci_clk->hw; } +static int _cmp_sci_clk(const void *a, const void *b) +{ + const struct sci_clk *ca = a; + const struct sci_clk *cb = *(struct sci_clk **)b; + + if (ca->dev_id == cb->dev_id && ca->clk_id == cb->clk_id) + return 0; + if (ca->dev_id > cb->dev_id || + (ca->dev_id == cb->dev_id && ca->clk_id > cb->clk_id)) + return 1; + return -1; +} + /** * sci_clk_get - Xlate function for getting clock handles * @clkspec: device tree clock specifier @@ -380,29 +394,22 @@ err: static struct clk_hw *sci_clk_get(struct of_phandle_args *clkspec, void *data) { struct sci_clk_provider *provider = data; - u16 dev_id; - u8 clk_id; - const struct sci_clk_data *clks = provider->clk_data; - struct clk_hw **clocks = provider->clocks; + struct sci_clk **clk; + struct sci_clk key; if (clkspec->args_count != 2) return ERR_PTR(-EINVAL); - dev_id = clkspec->args[0]; - clk_id = clkspec->args[1]; + key.dev_id = clkspec->args[0]; + key.clk_id = clkspec->args[1]; - while (clks->num_clks) { - if (clks->dev == dev_id) { - if (clk_id >= clks->num_clks) - return ERR_PTR(-EINVAL); - - return clocks[clk_id]; - } + clk = bsearch(&key, provider->clocks, provider->num_clocks, + sizeof(clk), _cmp_sci_clk); - clks++; - } + if (!clk) + return ERR_PTR(-ENODEV); - return ERR_PTR(-ENODEV); + return &(*clk)->hw; } static int ti_sci_init_clocks(struct sci_clk_provider *p) @@ -410,18 +417,29 @@ static int ti_sci_init_clocks(struct sci_clk_provider *p) const struct sci_clk_data *data = p->clk_data; struct clk_hw *hw; int i; + int num_clks = 0; while (data->num_clks) { - p->clocks = devm_kcalloc(p->dev, data->num_clks, - sizeof(struct sci_clk), - GFP_KERNEL); - if (!p->clocks) - return -ENOMEM; + num_clks += data->num_clks; + data++; + } + p->num_clocks = num_clks; + + p->clocks = devm_kcalloc(p->dev, num_clks, sizeof(struct sci_clk), + GFP_KERNEL); + if (!p->clocks) + return -ENOMEM; + + num_clks = 0; + + data = p->clk_data; + + while (data->num_clks) { for (i = 0; i < data->num_clks; i++) { hw = _sci_clk_build(p, data->dev, i); if (!IS_ERR(hw)) { - p->clocks[i] = hw; + p->clocks[num_clks++] = hw; continue; } diff --git a/drivers/clk/meson/clk-mpll.c b/drivers/clk/meson/clk-mpll.c index 39eab69fe51a..44a5a535ca63 100644 --- a/drivers/clk/meson/clk-mpll.c +++ b/drivers/clk/meson/clk-mpll.c @@ -161,6 +161,13 @@ static int mpll_set_rate(struct clk_hw *hw, reg = PARM_SET(p->width, p->shift, reg, 1); writel(reg, mpll->base + p->reg_off); + p = &mpll->ssen; + if (p->width != 0) { + reg = readl(mpll->base + p->reg_off); + reg = PARM_SET(p->width, p->shift, reg, 1); + writel(reg, mpll->base + p->reg_off); + } + p = &mpll->n2; reg = readl(mpll->base + p->reg_off); reg = PARM_SET(p->width, p->shift, reg, n2); diff --git a/drivers/clk/meson/clkc.h b/drivers/clk/meson/clkc.h index d6feafe8bd6c..1629da9b4141 100644 --- a/drivers/clk/meson/clkc.h +++ b/drivers/clk/meson/clkc.h @@ -118,6 +118,7 @@ struct meson_clk_mpll { struct parm sdm_en; struct parm n2; struct parm en; + struct parm ssen; spinlock_t *lock; }; diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c index a897ea45327c..a7ea5f3da89d 100644 --- a/drivers/clk/meson/gxbb.c +++ b/drivers/clk/meson/gxbb.c @@ -528,6 +528,11 @@ static struct meson_clk_mpll gxbb_mpll0 = { .shift = 14, .width = 1, }, + .ssen = { + .reg_off = HHI_MPLL_CNTL, + .shift = 25, + .width = 1, + }, .lock = &clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpll0", diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c index bb3f1de876b1..6ec512ad2598 100644 --- a/drivers/clk/meson/meson8b.c +++ b/drivers/clk/meson/meson8b.c @@ -267,6 +267,11 @@ static struct meson_clk_mpll meson8b_mpll0 = { .shift = 14, .width = 1, }, + .ssen = { + .reg_off = HHI_MPLL_CNTL, + .shift = 25, + .width = 1, + }, .lock = &clk_lock, .hw.init = &(struct clk_init_data){ .name = "mpll0", diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 0748a0b333c5..9a6476aa7d81 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -1283,16 +1283,16 @@ static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] __ini static const struct samsung_pll_rate_table exynos5420_epll_24mhz_tbl[] = { PLL_36XX_RATE(600000000U, 100, 2, 1, 0), PLL_36XX_RATE(400000000U, 200, 3, 2, 0), - PLL_36XX_RATE(393216000U, 197, 3, 2, 25690), - PLL_36XX_RATE(361267200U, 301, 5, 2, 3671), + PLL_36XX_RATE(393216003U, 197, 3, 2, -25690), + PLL_36XX_RATE(361267218U, 301, 5, 2, 3671), PLL_36XX_RATE(200000000U, 200, 3, 3, 0), - PLL_36XX_RATE(196608000U, 197, 3, 3, -25690), - PLL_36XX_RATE(180633600U, 301, 5, 3, 3671), - PLL_36XX_RATE(131072000U, 131, 3, 3, 4719), + PLL_36XX_RATE(196608001U, 197, 3, 3, -25690), + PLL_36XX_RATE(180633609U, 301, 5, 3, 3671), + PLL_36XX_RATE(131072006U, 131, 3, 3, 4719), PLL_36XX_RATE(100000000U, 200, 3, 4, 0), - PLL_36XX_RATE(65536000U, 131, 3, 4, 4719), - PLL_36XX_RATE(49152000U, 197, 3, 5, 25690), - PLL_36XX_RATE(32768000U, 131, 3, 5, 4719), + PLL_36XX_RATE( 65536003U, 131, 3, 4, 4719), + PLL_36XX_RATE( 49152000U, 197, 3, 5, -25690), + PLL_36XX_RATE( 32768001U, 131, 3, 5, 4719), }; static struct samsung_pll_clock exynos5x_plls[nr_plls] __initdata = { diff --git a/drivers/clk/sunxi-ng/ccu-sun5i.c b/drivers/clk/sunxi-ng/ccu-sun5i.c index 5372bf8be5e6..31d7ffda9aab 100644 --- a/drivers/clk/sunxi-ng/ccu-sun5i.c +++ b/drivers/clk/sunxi-ng/ccu-sun5i.c @@ -184,7 +184,7 @@ static struct ccu_mux cpu_clk = { .hw.init = CLK_HW_INIT_PARENTS("cpu", cpu_parents, &ccu_mux_ops, - CLK_IS_CRITICAL), + CLK_SET_RATE_PARENT | CLK_IS_CRITICAL), } }; diff --git a/drivers/clk/x86/clk-pmc-atom.c b/drivers/clk/x86/clk-pmc-atom.c index f99abc1106f0..08ef69945ffb 100644 --- a/drivers/clk/x86/clk-pmc-atom.c +++ b/drivers/clk/x86/clk-pmc-atom.c @@ -186,6 +186,13 @@ static struct clk_plt *plt_clk_register(struct platform_device *pdev, int id, pclk->reg = base + PMC_CLK_CTL_OFFSET + id * PMC_CLK_CTL_SIZE; spin_lock_init(&pclk->lock); + /* + * If the clock was already enabled by the firmware mark it as critical + * to avoid it being gated by the clock framework if no driver owns it. + */ + if (plt_clk_is_enabled(&pclk->hw)) + init.flags |= CLK_IS_CRITICAL; + ret = devm_clk_hw_register(&pdev->dev, &pclk->hw); if (ret) { pclk = ERR_PTR(ret); diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 6cd503525638..0566455f233e 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1922,13 +1922,6 @@ static int intel_pstate_init_cpu(unsigned int cpunum) return 0; } -static unsigned int intel_pstate_get(unsigned int cpu_num) -{ - struct cpudata *cpu = all_cpu_data[cpu_num]; - - return cpu ? get_avg_frequency(cpu) : 0; -} - static void intel_pstate_set_update_util_hook(unsigned int cpu_num) { struct cpudata *cpu = all_cpu_data[cpu_num]; @@ -2169,7 +2162,6 @@ static struct cpufreq_driver intel_pstate = { .setpolicy = intel_pstate_set_policy, .suspend = intel_pstate_hwp_save_state, .resume = intel_pstate_resume, - .get = intel_pstate_get, .init = intel_pstate_cpu_init, .exit = intel_pstate_cpu_exit, .stop_cpu = intel_pstate_stop_cpu, diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c index 37b0698b7193..42896a67aeae 100644 --- a/drivers/cpuidle/cpuidle-powernv.c +++ b/drivers/cpuidle/cpuidle-powernv.c @@ -235,6 +235,7 @@ static inline int validate_dt_prop_sizes(const char *prop1, int prop1_len, return -1; } +extern u32 pnv_get_supported_cpuidle_states(void); static int powernv_add_idle_states(void) { struct device_node *power_mgt; @@ -248,6 +249,8 @@ static int powernv_add_idle_states(void) const char *names[CPUIDLE_STATE_MAX]; u32 has_stop_states = 0; int i, rc; + u32 supported_flags = pnv_get_supported_cpuidle_states(); + /* Currently we have snooze statically defined */ @@ -362,6 +365,13 @@ static int powernv_add_idle_states(void) for (i = 0; i < dt_idle_states; i++) { unsigned int exit_latency, target_residency; bool stops_timebase = false; + + /* + * Skip the platform idle state whose flag isn't in + * the supported_cpuidle_states flag mask. + */ + if ((flags[i] & supported_flags) != flags[i]) + continue; /* * If an idle state has exit latency beyond * POWERNV_THRESHOLD_LATENCY_NS then don't use it diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig index 193204dfbf3a..4b75084fabad 100644 --- a/drivers/crypto/Kconfig +++ b/drivers/crypto/Kconfig @@ -655,7 +655,7 @@ source "drivers/crypto/virtio/Kconfig" config CRYPTO_DEV_BCM_SPU tristate "Broadcom symmetric crypto/hash acceleration support" depends on ARCH_BCM_IPROC - depends on BCM_PDC_MBOX + depends on MAILBOX default m select CRYPTO_DES select CRYPTO_MD5 diff --git a/drivers/crypto/bcm/spu2.c b/drivers/crypto/bcm/spu2.c index ef04c9748317..bf7ac621c591 100644 --- a/drivers/crypto/bcm/spu2.c +++ b/drivers/crypto/bcm/spu2.c @@ -302,6 +302,7 @@ spu2_hash_xlate(enum hash_alg hash_alg, enum hash_mode hash_mode, break; case HASH_ALG_SHA3_512: *spu2_type = SPU2_HASH_TYPE_SHA3_512; + break; case HASH_ALG_LAST: default: err = -EINVAL; diff --git a/drivers/crypto/cavium/nitrox/nitrox_main.c b/drivers/crypto/cavium/nitrox/nitrox_main.c index ae44a464cd2d..9ccefb9b7232 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_main.c +++ b/drivers/crypto/cavium/nitrox/nitrox_main.c @@ -18,8 +18,9 @@ #define SE_GROUP 0 #define DRIVER_VERSION "1.0" +#define FW_DIR "cavium/" /* SE microcode */ -#define SE_FW "cnn55xx_se.fw" +#define SE_FW FW_DIR "cnn55xx_se.fw" static const char nitrox_driver_name[] = "CNN55XX"; diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c index e7f87ac12685..1fabd4aee81b 100644 --- a/drivers/crypto/inside-secure/safexcel.c +++ b/drivers/crypto/inside-secure/safexcel.c @@ -773,7 +773,6 @@ static int safexcel_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct resource *res; struct safexcel_crypto_priv *priv; - u64 dma_mask; int i, ret; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); @@ -802,9 +801,7 @@ static int safexcel_probe(struct platform_device *pdev) return -EPROBE_DEFER; } - if (of_property_read_u64(dev->of_node, "dma-mask", &dma_mask)) - dma_mask = DMA_BIT_MASK(64); - ret = dma_set_mask_and_coherent(dev, dma_mask); + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); if (ret) goto err_clk; diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c index 8527a5899a2f..3f819399cd95 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -883,10 +883,7 @@ static int safexcel_hmac_sha1_setkey(struct crypto_ahash *tfm, const u8 *key, if (ret) return ret; - memcpy(ctx->ipad, &istate.state, SHA1_DIGEST_SIZE); - memcpy(ctx->opad, &ostate.state, SHA1_DIGEST_SIZE); - - for (i = 0; i < ARRAY_SIZE(istate.state); i++) { + for (i = 0; i < SHA1_DIGEST_SIZE / sizeof(u32); i++) { if (ctx->ipad[i] != le32_to_cpu(istate.state[i]) || ctx->opad[i] != le32_to_cpu(ostate.state[i])) { ctx->base.needs_inv = true; @@ -894,6 +891,9 @@ static int safexcel_hmac_sha1_setkey(struct crypto_ahash *tfm, const u8 *key, } } + memcpy(ctx->ipad, &istate.state, SHA1_DIGEST_SIZE); + memcpy(ctx->opad, &ostate.state, SHA1_DIGEST_SIZE); + return 0; } diff --git a/drivers/dax/super.c b/drivers/dax/super.c index ce9e563e6e1d..938eb4868f7f 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -278,6 +278,12 @@ void dax_write_cache(struct dax_device *dax_dev, bool wc) } EXPORT_SYMBOL_GPL(dax_write_cache); +bool dax_write_cache_enabled(struct dax_device *dax_dev) +{ + return test_bit(DAXDEV_WRITE_CACHE, &dax_dev->flags); +} +EXPORT_SYMBOL_GPL(dax_write_cache_enabled); + bool dax_alive(struct dax_device *dax_dev) { lockdep_assert_held(&dax_srcu); diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index f235eae04c16..461d6fc3688b 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -504,6 +504,7 @@ config GPIO_XGENE_SB depends on ARCH_XGENE && OF_GPIO select GPIO_GENERIC select GPIOLIB_IRQCHIP + select IRQ_DOMAIN_HIERARCHY help This driver supports the GPIO block within the APM X-Gene Standby Domain. Say yes here to enable the GPIO functionality. diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c index fb8d304cfa17..0ecd2369c2ca 100644 --- a/drivers/gpio/gpio-exar.c +++ b/drivers/gpio/gpio-exar.c @@ -132,7 +132,7 @@ static int gpio_exar_probe(struct platform_device *pdev) if (!p) return -ENOMEM; - ret = device_property_read_u32(&pdev->dev, "linux,first-pin", + ret = device_property_read_u32(&pdev->dev, "exar,first-pin", &first_pin); if (ret) return ret; diff --git a/drivers/gpio/gpio-lp87565.c b/drivers/gpio/gpio-lp87565.c index 6313c50bb91b..a121c8f10610 100644 --- a/drivers/gpio/gpio-lp87565.c +++ b/drivers/gpio/gpio-lp87565.c @@ -26,6 +26,27 @@ struct lp87565_gpio { struct regmap *map; }; +static int lp87565_gpio_get(struct gpio_chip *chip, unsigned int offset) +{ + struct lp87565_gpio *gpio = gpiochip_get_data(chip); + int ret, val; + + ret = regmap_read(gpio->map, LP87565_REG_GPIO_IN, &val); + if (ret < 0) + return ret; + + return !!(val & BIT(offset)); +} + +static void lp87565_gpio_set(struct gpio_chip *chip, unsigned int offset, + int value) +{ + struct lp87565_gpio *gpio = gpiochip_get_data(chip); + + regmap_update_bits(gpio->map, LP87565_REG_GPIO_OUT, + BIT(offset), value ? BIT(offset) : 0); +} + static int lp87565_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) { @@ -54,30 +75,11 @@ static int lp87565_gpio_direction_output(struct gpio_chip *chip, { struct lp87565_gpio *gpio = gpiochip_get_data(chip); + lp87565_gpio_set(chip, offset, value); + return regmap_update_bits(gpio->map, LP87565_REG_GPIO_CONFIG, - BIT(offset), !value ? BIT(offset) : 0); -} - -static int lp87565_gpio_get(struct gpio_chip *chip, unsigned int offset) -{ - struct lp87565_gpio *gpio = gpiochip_get_data(chip); - int ret, val; - - ret = regmap_read(gpio->map, LP87565_REG_GPIO_IN, &val); - if (ret < 0) - return ret; - - return !!(val & BIT(offset)); -} - -static void lp87565_gpio_set(struct gpio_chip *chip, unsigned int offset, - int value) -{ - struct lp87565_gpio *gpio = gpiochip_get_data(chip); - - regmap_update_bits(gpio->map, LP87565_REG_GPIO_OUT, - BIT(offset), value ? BIT(offset) : 0); + BIT(offset), BIT(offset)); } static int lp87565_gpio_request(struct gpio_chip *gc, unsigned int offset) diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index 3abea3f0b307..92692251ade1 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -424,6 +424,9 @@ static int mxc_gpio_probe(struct platform_device *pdev) return PTR_ERR(port->base); port->irq_high = platform_get_irq(pdev, 1); + if (port->irq_high < 0) + port->irq_high = 0; + port->irq = platform_get_irq(pdev, 0); if (port->irq < 0) return port->irq; diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 88529d3c06c9..506c6a67c5fc 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -360,7 +360,7 @@ static void tegra_gpio_irq_handler(struct irq_desc *desc) { int port; int pin; - int unmasked = 0; + bool unmasked = false; int gpio; u32 lvl; unsigned long sta; @@ -384,8 +384,8 @@ static void tegra_gpio_irq_handler(struct irq_desc *desc) * before executing the handler so that we don't * miss edges */ - if (lvl & (0x100 << pin)) { - unmasked = 1; + if (!unmasked && lvl & (0x100 << pin)) { + unmasked = true; chained_irq_exit(chip, desc); } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 9568708a550b..cd003b74512f 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -704,24 +704,23 @@ static irqreturn_t lineevent_irq_thread(int irq, void *p) { struct lineevent_state *le = p; struct gpioevent_data ge; - int ret; + int ret, level; ge.timestamp = ktime_get_real_ns(); + level = gpiod_get_value_cansleep(le->desc); if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE && le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) { - int level = gpiod_get_value_cansleep(le->desc); - if (level) /* Emit low-to-high event */ ge.id = GPIOEVENT_EVENT_RISING_EDGE; else /* Emit high-to-low event */ ge.id = GPIOEVENT_EVENT_FALLING_EDGE; - } else if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE) { + } else if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE && level) { /* Emit low-to-high event */ ge.id = GPIOEVENT_EVENT_RISING_EDGE; - } else if (le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) { + } else if (le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE && !level) { /* Emit high-to-low event */ ge.id = GPIOEVENT_EVENT_FALLING_EDGE; } else { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c index 38f739fb727b..6558a3ed57a7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c @@ -359,7 +359,7 @@ void amdgpu_mn_unregister(struct amdgpu_bo *bo) head = bo->mn_list.next; bo->mn = NULL; - list_del(&bo->mn_list); + list_del_init(&bo->mn_list); if (list_empty(head)) { struct amdgpu_mn_node *node; diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c index 812a24dd1204..8284d5dbfc30 100644 --- a/drivers/gpu/drm/amd/amdgpu/si.c +++ b/drivers/gpu/drm/amd/amdgpu/si.c @@ -1413,6 +1413,7 @@ static void si_init_golden_registers(struct amdgpu_device *adev) amdgpu_program_register_sequence(adev, pitcairn_mgcg_cgcg_init, (const u32)ARRAY_SIZE(pitcairn_mgcg_cgcg_init)); + break; case CHIP_VERDE: amdgpu_program_register_sequence(adev, verde_golden_registers, @@ -1437,6 +1438,7 @@ static void si_init_golden_registers(struct amdgpu_device *adev) amdgpu_program_register_sequence(adev, oland_mgcg_cgcg_init, (const u32)ARRAY_SIZE(oland_mgcg_cgcg_init)); + break; case CHIP_HAINAN: amdgpu_program_register_sequence(adev, hainan_golden_registers, diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 503252d6a74d..8571cfd877c5 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1254,7 +1254,7 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id) /* port@2 is the output port */ ret = drm_of_find_panel_or_bridge(dev->of_node, 2, 0, &tc->panel, NULL); - if (ret) + if (ret && ret != -ENODEV) return ret; /* Shut down GPIO is optional */ diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 213fb837e1c4..08af8d6b844b 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -544,7 +544,7 @@ void drm_dp_downstream_debug(struct seq_file *m, DP_DETAILED_CAP_INFO_AVAILABLE; int clk; int bpc; - char id[6]; + char id[7]; int len; uint8_t rev[2]; int type = port_cap[0] & DP_DS_PORT_TYPE_MASK; @@ -583,6 +583,7 @@ void drm_dp_downstream_debug(struct seq_file *m, seq_puts(m, "\t\tType: N/A\n"); } + memset(id, 0, sizeof(id)); drm_dp_downstream_id(aux, id); seq_printf(m, "\t\tID: %s\n", id); @@ -591,7 +592,7 @@ void drm_dp_downstream_debug(struct seq_file *m, seq_printf(m, "\t\tHW: %d.%d\n", (rev[0] & 0xf0) >> 4, rev[0] & 0xf); - len = drm_dp_dpcd_read(aux, DP_BRANCH_SW_REV, &rev, 2); + len = drm_dp_dpcd_read(aux, DP_BRANCH_SW_REV, rev, 2); if (len > 0) seq_printf(m, "\t\tSW: %d.%d\n", rev[0], rev[1]); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index 5bd93169dac2..6463fc2c736f 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -270,8 +270,8 @@ static int submit_reloc(struct etnaviv_gem_submit *submit, void *stream, if (ret) return ret; - if (r->reloc_offset >= bo->obj->base.size - sizeof(*ptr)) { - DRM_ERROR("relocation %u outside object", i); + if (r->reloc_offset > bo->obj->base.size - sizeof(*ptr)) { + DRM_ERROR("relocation %u outside object\n", i); return -EINVAL; } diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index 1d185347c64c..305dc3d4ff77 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -75,6 +75,7 @@ config DRM_EXYNOS_DP config DRM_EXYNOS_HDMI bool "HDMI" depends on DRM_EXYNOS_MIXER || DRM_EXYNOS5433_DECON + select CEC_CORE if CEC_NOTIFIER help Choose this option if you want to use Exynos HDMI for DRM. diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index cab9e12d7846..facc8419f0cd 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -455,7 +455,6 @@ static int exynos_drm_platform_probe(struct platform_device *pdev) struct component_match *match; pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); - exynos_drm_driver.num_ioctls = ARRAY_SIZE(exynos_ioctls); match = exynos_drm_match_add(&pdev->dev); if (IS_ERR(match)) diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 4ea7cc7cb3de..c399dc9b325f 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1649,8 +1649,6 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi) return ret; dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_IN, 0); - if (!dsi->bridge_node) - return -EINVAL; return 0; } @@ -1685,9 +1683,11 @@ static int exynos_dsi_bind(struct device *dev, struct device *master, return ret; } - bridge = of_drm_find_bridge(dsi->bridge_node); - if (bridge) - drm_bridge_attach(encoder, bridge, NULL); + if (dsi->bridge_node) { + bridge = of_drm_find_bridge(dsi->bridge_node); + if (bridge) + drm_bridge_attach(encoder, bridge, NULL); + } return mipi_dsi_host_register(&dsi->dsi_host); } diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index ed1a648d518c..6592f50d460a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -145,13 +145,19 @@ static struct drm_framebuffer * exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, const struct drm_mode_fb_cmd2 *mode_cmd) { + const struct drm_format_info *info = drm_get_format_info(dev, mode_cmd); struct exynos_drm_gem *exynos_gem[MAX_FB_BUFFER]; struct drm_gem_object *obj; struct drm_framebuffer *fb; int i; int ret; - for (i = 0; i < drm_format_num_planes(mode_cmd->pixel_format); i++) { + for (i = 0; i < info->num_planes; i++) { + unsigned int height = (i == 0) ? mode_cmd->height : + DIV_ROUND_UP(mode_cmd->height, info->vsub); + unsigned long size = height * mode_cmd->pitches[i] + + mode_cmd->offsets[i]; + obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[i]); if (!obj) { DRM_ERROR("failed to lookup gem object\n"); @@ -160,6 +166,12 @@ exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv, } exynos_gem[i] = to_exynos_gem(obj); + + if (size > exynos_gem[i]->size) { + i++; + ret = -EINVAL; + goto err; + } } fb = exynos_drm_framebuffer_init(dev, mode_cmd, exynos_gem, i); diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c index e45720543a45..16bbee897e0d 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_mic.c +++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c @@ -340,16 +340,10 @@ static int exynos_mic_bind(struct device *dev, struct device *master, void *data) { struct exynos_mic *mic = dev_get_drvdata(dev); - int ret; - mic->bridge.funcs = &mic_bridge_funcs; - mic->bridge.of_node = dev->of_node; mic->bridge.driver_private = mic; - ret = drm_bridge_add(&mic->bridge); - if (ret) - DRM_ERROR("mic: Failed to add MIC to the global bridge list\n"); - return ret; + return 0; } static void exynos_mic_unbind(struct device *dev, struct device *master, @@ -365,8 +359,6 @@ static void exynos_mic_unbind(struct device *dev, struct device *master, already_disabled: mutex_unlock(&mic_mutex); - - drm_bridge_remove(&mic->bridge); } static const struct component_ops exynos_mic_component_ops = { @@ -461,6 +453,15 @@ static int exynos_mic_probe(struct platform_device *pdev) platform_set_drvdata(pdev, mic); + mic->bridge.funcs = &mic_bridge_funcs; + mic->bridge.of_node = dev->of_node; + + ret = drm_bridge_add(&mic->bridge); + if (ret) { + DRM_ERROR("mic: Failed to add MIC to the global bridge list\n"); + return ret; + } + pm_runtime_enable(dev); ret = component_add(dev, &exynos_mic_component_ops); @@ -479,8 +480,13 @@ err: static int exynos_mic_remove(struct platform_device *pdev) { + struct exynos_mic *mic = platform_get_drvdata(pdev); + component_del(&pdev->dev, &exynos_mic_component_ops); pm_runtime_disable(&pdev->dev); + + drm_bridge_remove(&mic->bridge); + return 0; } diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 0e2a472c3021..d70eeb8c5f75 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1500,8 +1500,6 @@ static void hdmi_disable(struct drm_encoder *encoder) */ cancel_delayed_work(&hdata->hotplug_work); cec_notifier_set_phys_addr(hdata->notifier, CEC_PHYS_ADDR_INVALID); - - hdmiphy_disable(hdata); } static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = { @@ -1675,7 +1673,7 @@ static int hdmi_resources_init(struct hdmi_context *hdata) return hdmi_bridge_init(hdata); } -static struct of_device_id hdmi_match_types[] = { +static const struct of_device_id hdmi_match_types[] = { { .compatible = "samsung,exynos4210-hdmi", .data = &exynos4210_hdmi_driver_data, @@ -1933,8 +1931,7 @@ static int hdmi_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM -static int exynos_hdmi_suspend(struct device *dev) +static int __maybe_unused exynos_hdmi_suspend(struct device *dev) { struct hdmi_context *hdata = dev_get_drvdata(dev); @@ -1943,7 +1940,7 @@ static int exynos_hdmi_suspend(struct device *dev) return 0; } -static int exynos_hdmi_resume(struct device *dev) +static int __maybe_unused exynos_hdmi_resume(struct device *dev) { struct hdmi_context *hdata = dev_get_drvdata(dev); int ret; @@ -1954,7 +1951,6 @@ static int exynos_hdmi_resume(struct device *dev) return 0; } -#endif static const struct dev_pm_ops exynos_hdmi_pm_ops = { SET_RUNTIME_PM_OPS(exynos_hdmi_suspend, exynos_hdmi_resume, NULL) diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 6bed4f3ffcd6..a998a8dd783c 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -1094,28 +1094,28 @@ static const struct exynos_drm_crtc_ops mixer_crtc_ops = { .atomic_check = mixer_atomic_check, }; -static struct mixer_drv_data exynos5420_mxr_drv_data = { +static const struct mixer_drv_data exynos5420_mxr_drv_data = { .version = MXR_VER_128_0_0_184, .is_vp_enabled = 0, }; -static struct mixer_drv_data exynos5250_mxr_drv_data = { +static const struct mixer_drv_data exynos5250_mxr_drv_data = { .version = MXR_VER_16_0_33_0, .is_vp_enabled = 0, }; -static struct mixer_drv_data exynos4212_mxr_drv_data = { +static const struct mixer_drv_data exynos4212_mxr_drv_data = { .version = MXR_VER_0_0_0_16, .is_vp_enabled = 1, }; -static struct mixer_drv_data exynos4210_mxr_drv_data = { +static const struct mixer_drv_data exynos4210_mxr_drv_data = { .version = MXR_VER_0_0_0_16, .is_vp_enabled = 1, .has_sclk = 1, }; -static struct of_device_id mixer_match_types[] = { +static const struct of_device_id mixer_match_types[] = { { .compatible = "samsung,exynos4210-mixer", .data = &exynos4210_mxr_drv_data, diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c index 2deb05f618fb..7cb0818a13de 100644 --- a/drivers/gpu/drm/i915/gvt/display.c +++ b/drivers/gpu/drm/i915/gvt/display.c @@ -323,27 +323,27 @@ void intel_gvt_check_vblank_emulation(struct intel_gvt *gvt) { struct intel_gvt_irq *irq = &gvt->irq; struct intel_vgpu *vgpu; - bool have_enabled_pipe = false; int pipe, id; if (WARN_ON(!mutex_is_locked(&gvt->lock))) return; - hrtimer_cancel(&irq->vblank_timer.timer); - for_each_active_vgpu(gvt, vgpu, id) { for (pipe = 0; pipe < I915_MAX_PIPES; pipe++) { - have_enabled_pipe = - pipe_is_enabled(vgpu, pipe); - if (have_enabled_pipe) - break; + if (pipe_is_enabled(vgpu, pipe)) + goto out; } } - if (have_enabled_pipe) - hrtimer_start(&irq->vblank_timer.timer, - ktime_add_ns(ktime_get(), irq->vblank_timer.period), - HRTIMER_MODE_ABS); + /* all the pipes are disabled */ + hrtimer_cancel(&irq->vblank_timer.timer); + return; + +out: + hrtimer_start(&irq->vblank_timer.timer, + ktime_add_ns(ktime_get(), irq->vblank_timer.period), + HRTIMER_MODE_ABS); + } static void emulate_vblank_on_pipe(struct intel_vgpu *vgpu, int pipe) diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c index 700050556242..1648887d3f55 100644 --- a/drivers/gpu/drm/i915/gvt/execlist.c +++ b/drivers/gpu/drm/i915/gvt/execlist.c @@ -46,6 +46,8 @@ #define same_context(a, b) (((a)->context_id == (b)->context_id) && \ ((a)->lrca == (b)->lrca)) +static void clean_workloads(struct intel_vgpu *vgpu, unsigned long engine_mask); + static int context_switch_events[] = { [RCS] = RCS_AS_CONTEXT_SWITCH, [BCS] = BCS_AS_CONTEXT_SWITCH, @@ -499,10 +501,10 @@ static void release_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) static int complete_execlist_workload(struct intel_vgpu_workload *workload) { struct intel_vgpu *vgpu = workload->vgpu; - struct intel_vgpu_execlist *execlist = - &vgpu->execlist[workload->ring_id]; + int ring_id = workload->ring_id; + struct intel_vgpu_execlist *execlist = &vgpu->execlist[ring_id]; struct intel_vgpu_workload *next_workload; - struct list_head *next = workload_q_head(vgpu, workload->ring_id)->next; + struct list_head *next = workload_q_head(vgpu, ring_id)->next; bool lite_restore = false; int ret; @@ -512,10 +514,25 @@ static int complete_execlist_workload(struct intel_vgpu_workload *workload) release_shadow_batch_buffer(workload); release_shadow_wa_ctx(&workload->wa_ctx); - if (workload->status || vgpu->resetting) + if (workload->status || (vgpu->resetting_eng & ENGINE_MASK(ring_id))) { + /* if workload->status is not successful means HW GPU + * has occurred GPU hang or something wrong with i915/GVT, + * and GVT won't inject context switch interrupt to guest. + * So this error is a vGPU hang actually to the guest. + * According to this we should emunlate a vGPU hang. If + * there are pending workloads which are already submitted + * from guest, we should clean them up like HW GPU does. + * + * if it is in middle of engine resetting, the pending + * workloads won't be submitted to HW GPU and will be + * cleaned up during the resetting process later, so doing + * the workload clean up here doesn't have any impact. + **/ + clean_workloads(vgpu, ENGINE_MASK(ring_id)); goto out; + } - if (!list_empty(workload_q_head(vgpu, workload->ring_id))) { + if (!list_empty(workload_q_head(vgpu, ring_id))) { struct execlist_ctx_descriptor_format *this_desc, *next_desc; next_workload = container_of(next, diff --git a/drivers/gpu/drm/i915/gvt/firmware.c b/drivers/gpu/drm/i915/gvt/firmware.c index 5dad9298b2d5..a26c1705430e 100644 --- a/drivers/gpu/drm/i915/gvt/firmware.c +++ b/drivers/gpu/drm/i915/gvt/firmware.c @@ -72,11 +72,13 @@ static int expose_firmware_sysfs(struct intel_gvt *gvt) struct intel_gvt_device_info *info = &gvt->device_info; struct pci_dev *pdev = gvt->dev_priv->drm.pdev; struct intel_gvt_mmio_info *e; + struct gvt_mmio_block *block = gvt->mmio.mmio_block; + int num = gvt->mmio.num_mmio_block; struct gvt_firmware_header *h; void *firmware; void *p; unsigned long size, crc32_start; - int i; + int i, j; int ret; size = sizeof(*h) + info->mmio_size + info->cfg_space_size; @@ -105,6 +107,13 @@ static int expose_firmware_sysfs(struct intel_gvt *gvt) hash_for_each(gvt->mmio.mmio_info_table, i, e, node) *(u32 *)(p + e->offset) = I915_READ_NOTRACE(_MMIO(e->offset)); + for (i = 0; i < num; i++, block++) { + for (j = 0; j < block->size; j += 4) + *(u32 *)(p + INTEL_GVT_MMIO_OFFSET(block->offset) + j) = + I915_READ_NOTRACE(_MMIO(INTEL_GVT_MMIO_OFFSET( + block->offset) + j)); + } + memcpy(gvt->firmware.mmio, p, info->mmio_size); crc32_start = offsetof(struct gvt_firmware_header, crc32) + 4; diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index 3a74e79eac2f..2964a4d01a66 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -149,7 +149,7 @@ struct intel_vgpu { bool active; bool pv_notified; bool failsafe; - bool resetting; + unsigned int resetting_eng; void *sched_data; struct vgpu_sched_ctl sched_ctl; @@ -195,6 +195,15 @@ struct intel_gvt_fence { unsigned long vgpu_allocated_fence_num; }; +/* Special MMIO blocks. */ +struct gvt_mmio_block { + unsigned int device; + i915_reg_t offset; + unsigned int size; + gvt_mmio_func read; + gvt_mmio_func write; +}; + #define INTEL_GVT_MMIO_HASH_BITS 11 struct intel_gvt_mmio { @@ -214,6 +223,9 @@ struct intel_gvt_mmio { /* This reg could be accessed by unaligned address */ #define F_UNALIGN (1 << 6) + struct gvt_mmio_block *mmio_block; + unsigned int num_mmio_block; + DECLARE_HASHTABLE(mmio_info_table, INTEL_GVT_MMIO_HASH_BITS); unsigned int num_tracked_mmio; }; diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index 17febe830ff6..feed9921b3b3 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -2857,31 +2857,15 @@ static int init_skl_mmio_info(struct intel_gvt *gvt) return 0; } -/* Special MMIO blocks. */ -static struct gvt_mmio_block { - unsigned int device; - i915_reg_t offset; - unsigned int size; - gvt_mmio_func read; - gvt_mmio_func write; -} gvt_mmio_blocks[] = { - {D_SKL_PLUS, _MMIO(CSR_MMIO_START_RANGE), 0x3000, NULL, NULL}, - {D_ALL, _MMIO(MCHBAR_MIRROR_BASE_SNB), 0x40000, NULL, NULL}, - {D_ALL, _MMIO(VGT_PVINFO_PAGE), VGT_PVINFO_SIZE, - pvinfo_mmio_read, pvinfo_mmio_write}, - {D_ALL, LGC_PALETTE(PIPE_A, 0), 1024, NULL, NULL}, - {D_ALL, LGC_PALETTE(PIPE_B, 0), 1024, NULL, NULL}, - {D_ALL, LGC_PALETTE(PIPE_C, 0), 1024, NULL, NULL}, -}; - static struct gvt_mmio_block *find_mmio_block(struct intel_gvt *gvt, unsigned int offset) { unsigned long device = intel_gvt_get_device_type(gvt); - struct gvt_mmio_block *block = gvt_mmio_blocks; + struct gvt_mmio_block *block = gvt->mmio.mmio_block; + int num = gvt->mmio.num_mmio_block; int i; - for (i = 0; i < ARRAY_SIZE(gvt_mmio_blocks); i++, block++) { + for (i = 0; i < num; i++, block++) { if (!(device & block->device)) continue; if (offset >= INTEL_GVT_MMIO_OFFSET(block->offset) && @@ -2912,6 +2896,17 @@ void intel_gvt_clean_mmio_info(struct intel_gvt *gvt) gvt->mmio.mmio_attribute = NULL; } +/* Special MMIO blocks. */ +static struct gvt_mmio_block mmio_blocks[] = { + {D_SKL_PLUS, _MMIO(CSR_MMIO_START_RANGE), 0x3000, NULL, NULL}, + {D_ALL, _MMIO(MCHBAR_MIRROR_BASE_SNB), 0x40000, NULL, NULL}, + {D_ALL, _MMIO(VGT_PVINFO_PAGE), VGT_PVINFO_SIZE, + pvinfo_mmio_read, pvinfo_mmio_write}, + {D_ALL, LGC_PALETTE(PIPE_A, 0), 1024, NULL, NULL}, + {D_ALL, LGC_PALETTE(PIPE_B, 0), 1024, NULL, NULL}, + {D_ALL, LGC_PALETTE(PIPE_C, 0), 1024, NULL, NULL}, +}; + /** * intel_gvt_setup_mmio_info - setup MMIO information table for GVT device * @gvt: GVT device @@ -2951,6 +2946,9 @@ int intel_gvt_setup_mmio_info(struct intel_gvt *gvt) goto err; } + gvt->mmio.mmio_block = mmio_blocks; + gvt->mmio.num_mmio_block = ARRAY_SIZE(mmio_blocks); + gvt_dbg_mmio("traced %u virtual mmio registers\n", gvt->mmio.num_tracked_mmio); return 0; @@ -3030,7 +3028,7 @@ int intel_vgpu_mmio_reg_rw(struct intel_vgpu *vgpu, unsigned int offset, gvt_mmio_func func; int ret; - if (WARN_ON(bytes > 4)) + if (WARN_ON(bytes > 8)) return -EINVAL; /* diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index 0e2e36ad6196..c873136add97 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -432,7 +432,8 @@ static void complete_current_workload(struct intel_gvt *gvt, int ring_id) i915_gem_request_put(fetch_and_zero(&workload->req)); - if (!workload->status && !vgpu->resetting) { + if (!workload->status && !(vgpu->resetting_eng & + ENGINE_MASK(ring_id))) { update_guest_context(workload); for_each_set_bit(event, workload->pending_events, diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c index 90c14e6e3ea0..3deadcbd5a24 100644 --- a/drivers/gpu/drm/i915/gvt/vgpu.c +++ b/drivers/gpu/drm/i915/gvt/vgpu.c @@ -480,11 +480,13 @@ void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr, { struct intel_gvt *gvt = vgpu->gvt; struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler; + unsigned int resetting_eng = dmlr ? ALL_ENGINES : engine_mask; gvt_dbg_core("------------------------------------------\n"); gvt_dbg_core("resseting vgpu%d, dmlr %d, engine_mask %08x\n", vgpu->id, dmlr, engine_mask); - vgpu->resetting = true; + + vgpu->resetting_eng = resetting_eng; intel_vgpu_stop_schedule(vgpu); /* @@ -497,7 +499,7 @@ void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr, mutex_lock(&gvt->lock); } - intel_vgpu_reset_execlist(vgpu, dmlr ? ALL_ENGINES : engine_mask); + intel_vgpu_reset_execlist(vgpu, resetting_eng); /* full GPU reset or device model level reset */ if (engine_mask == ALL_ENGINES || dmlr) { @@ -520,7 +522,7 @@ void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr, } } - vgpu->resetting = false; + vgpu->resetting_eng = 0; gvt_dbg_core("reset vgpu%d done\n", vgpu->id); gvt_dbg_core("------------------------------------------\n"); } diff --git a/drivers/gpu/drm/i915/i915_gem_clflush.c b/drivers/gpu/drm/i915/i915_gem_clflush.c index 152f16c11878..348b29a845c9 100644 --- a/drivers/gpu/drm/i915/i915_gem_clflush.c +++ b/drivers/gpu/drm/i915/i915_gem_clflush.c @@ -114,7 +114,7 @@ i915_clflush_notify(struct i915_sw_fence *fence, return NOTIFY_DONE; } -void i915_gem_clflush_object(struct drm_i915_gem_object *obj, +bool i915_gem_clflush_object(struct drm_i915_gem_object *obj, unsigned int flags) { struct clflush *clflush; @@ -128,7 +128,7 @@ void i915_gem_clflush_object(struct drm_i915_gem_object *obj, */ if (!i915_gem_object_has_struct_page(obj)) { obj->cache_dirty = false; - return; + return false; } /* If the GPU is snooping the contents of the CPU cache, @@ -140,7 +140,7 @@ void i915_gem_clflush_object(struct drm_i915_gem_object *obj, * tracking. */ if (!(flags & I915_CLFLUSH_FORCE) && obj->cache_coherent) - return; + return false; trace_i915_gem_object_clflush(obj); @@ -179,4 +179,5 @@ void i915_gem_clflush_object(struct drm_i915_gem_object *obj, } obj->cache_dirty = false; + return true; } diff --git a/drivers/gpu/drm/i915/i915_gem_clflush.h b/drivers/gpu/drm/i915/i915_gem_clflush.h index 2455a7820937..f390247561b3 100644 --- a/drivers/gpu/drm/i915/i915_gem_clflush.h +++ b/drivers/gpu/drm/i915/i915_gem_clflush.h @@ -28,7 +28,7 @@ struct drm_i915_private; struct drm_i915_gem_object; -void i915_gem_clflush_object(struct drm_i915_gem_object *obj, +bool i915_gem_clflush_object(struct drm_i915_gem_object *obj, unsigned int flags); #define I915_CLFLUSH_FORCE BIT(0) #define I915_CLFLUSH_SYNC BIT(1) diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 929f275e67aa..5fa44767c29e 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -560,9 +560,6 @@ static int eb_reserve_vma(const struct i915_execbuffer *eb, eb->args->flags |= __EXEC_HAS_RELOC; } - entry->flags |= __EXEC_OBJECT_HAS_PIN; - GEM_BUG_ON(eb_vma_misplaced(entry, vma)); - if (unlikely(entry->flags & EXEC_OBJECT_NEEDS_FENCE)) { err = i915_vma_get_fence(vma); if (unlikely(err)) { @@ -574,6 +571,9 @@ static int eb_reserve_vma(const struct i915_execbuffer *eb, entry->flags |= __EXEC_OBJECT_HAS_FENCE; } + entry->flags |= __EXEC_OBJECT_HAS_PIN; + GEM_BUG_ON(eb_vma_misplaced(entry, vma)); + return 0; } @@ -1459,7 +1459,7 @@ static int eb_relocate_vma(struct i915_execbuffer *eb, struct i915_vma *vma) * to read. However, if the array is not writable the user loses * the updated relocation values. */ - if (unlikely(!access_ok(VERIFY_READ, urelocs, remain*sizeof(urelocs)))) + if (unlikely(!access_ok(VERIFY_READ, urelocs, remain*sizeof(*urelocs)))) return -EFAULT; do { @@ -1776,7 +1776,7 @@ out: } } - return err ?: have_copy; + return err; } static int eb_relocate(struct i915_execbuffer *eb) @@ -1826,7 +1826,7 @@ static int eb_move_to_gpu(struct i915_execbuffer *eb) int err; for (i = 0; i < count; i++) { - const struct drm_i915_gem_exec_object2 *entry = &eb->exec[i]; + struct drm_i915_gem_exec_object2 *entry = &eb->exec[i]; struct i915_vma *vma = exec_to_vma(entry); struct drm_i915_gem_object *obj = vma->obj; @@ -1842,12 +1842,14 @@ static int eb_move_to_gpu(struct i915_execbuffer *eb) eb->request->capture_list = capture; } + if (unlikely(obj->cache_dirty && !obj->cache_coherent)) { + if (i915_gem_clflush_object(obj, 0)) + entry->flags &= ~EXEC_OBJECT_ASYNC; + } + if (entry->flags & EXEC_OBJECT_ASYNC) goto skip_flushes; - if (unlikely(obj->cache_dirty && !obj->cache_coherent)) - i915_gem_clflush_object(obj, 0); - err = i915_gem_request_await_object (eb->request, obj, entry->flags & EXEC_OBJECT_WRITE); if (err) @@ -2210,7 +2212,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, goto err_rpm; err = eb_relocate(&eb); - if (err) + if (err) { /* * If the user expects the execobject.offset and * reloc.presumed_offset to be an exact match, @@ -2219,8 +2221,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, * relocation. */ args->flags &= ~__EXEC_HAS_RELOC; - if (err < 0) goto err_vma; + } if (unlikely(eb.batch->exec_entry->flags & EXEC_OBJECT_WRITE)) { DRM_DEBUG("Attempting to use self-modifying batch buffer\n"); diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c index 1032f98add11..77fb39808131 100644 --- a/drivers/gpu/drm/i915/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c @@ -43,16 +43,21 @@ static bool shrinker_lock(struct drm_i915_private *dev_priv, bool *unlock) return true; case MUTEX_TRYLOCK_FAILED: + *unlock = false; + preempt_disable(); do { cpu_relax(); if (mutex_trylock(&dev_priv->drm.struct_mutex)) { - case MUTEX_TRYLOCK_SUCCESS: *unlock = true; - return true; + break; } } while (!need_resched()); + preempt_enable(); + return *unlock; - return false; + case MUTEX_TRYLOCK_SUCCESS: + *unlock = true; + return true; } BUG(); diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index d9f77a4d85db..ed396f7b7dca 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -1601,11 +1601,11 @@ static int gen8_emit_oa_config(struct drm_i915_gem_request *req) u32 *cs; int i; - cs = intel_ring_begin(req, n_flex_regs * 2 + 4); + cs = intel_ring_begin(req, ARRAY_SIZE(flex_mmio) * 2 + 4); if (IS_ERR(cs)) return PTR_ERR(cs); - *cs++ = MI_LOAD_REGISTER_IMM(n_flex_regs + 1); + *cs++ = MI_LOAD_REGISTER_IMM(ARRAY_SIZE(flex_mmio) + 1); *cs++ = i915_mmio_reg_offset(GEN8_OACTXCONTROL); *cs++ = (dev_priv->perf.oa.period_exponent << GEN8_OA_TIMER_PERIOD_SHIFT) | diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h index 4a673fc1a432..20cf272c97b1 100644 --- a/drivers/gpu/drm/i915/i915_vma.h +++ b/drivers/gpu/drm/i915/i915_vma.h @@ -284,12 +284,12 @@ static inline void __i915_vma_pin(struct i915_vma *vma) static inline void __i915_vma_unpin(struct i915_vma *vma) { - GEM_BUG_ON(!i915_vma_is_pinned(vma)); vma->flags--; } static inline void i915_vma_unpin(struct i915_vma *vma) { + GEM_BUG_ON(!i915_vma_is_pinned(vma)); GEM_BUG_ON(!drm_mm_node_allocated(&vma->node)); __i915_vma_unpin(vma); } diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c index f85d57555957..1813d84989c9 100644 --- a/drivers/gpu/drm/i915/intel_color.c +++ b/drivers/gpu/drm/i915/intel_color.c @@ -398,6 +398,7 @@ static void bdw_load_gamma_lut(struct drm_crtc_state *state, u32 offset) } /* Program the max register to clamp values > 1.0. */ + i = lut_size - 1; I915_WRITE(PREC_PAL_GC_MAX(pipe, 0), drm_color_lut_extract(lut[i].red, 16)); I915_WRITE(PREC_PAL_GC_MAX(pipe, 1), diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index efb13582dc73..f4fbb396054b 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -2010,8 +2010,8 @@ static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, u32 level) val = I915_READ(CNL_PORT_TX_DW4_LN(port, ln)); val &= ~LOADGEN_SELECT; - if (((rate < 600000) && (width == 4) && (ln >= 1)) || - ((rate < 600000) && (width < 4) && ((ln == 1) || (ln == 2)))) { + if ((rate <= 600000 && width == 4 && ln >= 1) || + (rate <= 600000 && width < 4 && (ln == 1 || ln == 2))) { val |= LOADGEN_SELECT; } I915_WRITE(CNL_PORT_TX_DW4_LN(port, ln), val); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 684d653bfddb..f47ab0ef14bb 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3427,26 +3427,6 @@ static void intel_complete_page_flips(struct drm_i915_private *dev_priv) intel_finish_page_flip_cs(dev_priv, crtc->pipe); } -static void intel_update_primary_planes(struct drm_device *dev) -{ - struct drm_crtc *crtc; - - for_each_crtc(dev, crtc) { - struct intel_plane *plane = to_intel_plane(crtc->primary); - struct intel_plane_state *plane_state = - to_intel_plane_state(plane->base.state); - - if (plane_state->base.visible) { - trace_intel_update_plane(&plane->base, - to_intel_crtc(crtc)); - - plane->update_plane(plane, - to_intel_crtc_state(crtc->state), - plane_state); - } - } -} - static int __intel_display_resume(struct drm_device *dev, struct drm_atomic_state *state, @@ -3499,6 +3479,12 @@ void intel_prepare_reset(struct drm_i915_private *dev_priv) struct drm_atomic_state *state; int ret; + + /* reset doesn't touch the display */ + if (!i915.force_reset_modeset_test && + !gpu_reset_clobbers_display(dev_priv)) + return; + /* * Need mode_config.mutex so that we don't * trample ongoing ->detect() and whatnot. @@ -3512,12 +3498,6 @@ void intel_prepare_reset(struct drm_i915_private *dev_priv) drm_modeset_backoff(ctx); } - - /* reset doesn't touch the display, but flips might get nuked anyway, */ - if (!i915.force_reset_modeset_test && - !gpu_reset_clobbers_display(dev_priv)) - return; - /* * Disabling the crtcs gracefully seems nicer. Also the * g33 docs say we should at least disable all the planes. @@ -3547,6 +3527,14 @@ void intel_finish_reset(struct drm_i915_private *dev_priv) struct drm_atomic_state *state = dev_priv->modeset_restore_state; int ret; + /* reset doesn't touch the display */ + if (!i915.force_reset_modeset_test && + !gpu_reset_clobbers_display(dev_priv)) + return; + + if (!state) + goto unlock; + /* * Flips in the rings will be nuked by the reset, * so complete all pending flips so that user space @@ -3558,22 +3546,10 @@ void intel_finish_reset(struct drm_i915_private *dev_priv) /* reset doesn't touch the display */ if (!gpu_reset_clobbers_display(dev_priv)) { - if (!state) { - /* - * Flips in the rings have been nuked by the reset, - * so update the base address of all primary - * planes to the the last fb to make sure we're - * showing the correct fb after a reset. - * - * FIXME: Atomic will make this obsolete since we won't schedule - * CS-based flips (which might get lost in gpu resets) any more. - */ - intel_update_primary_planes(dev); - } else { - ret = __intel_display_resume(dev, state, ctx); + /* for testing only restore the display */ + ret = __intel_display_resume(dev, state, ctx); if (ret) DRM_ERROR("Restoring old state failed with %i\n", ret); - } } else { /* * The display has been reset as well, @@ -3597,8 +3573,8 @@ void intel_finish_reset(struct drm_i915_private *dev_priv) intel_hpd_init(dev_priv); } - if (state) - drm_atomic_state_put(state); + drm_atomic_state_put(state); +unlock: drm_modeset_drop_locks(ctx); drm_modeset_acquire_fini(ctx); mutex_unlock(&dev->mode_config.mutex); @@ -9132,6 +9108,13 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc, u64 power_domain_mask; bool active; + if (INTEL_GEN(dev_priv) >= 9) { + intel_crtc_init_scalers(crtc, pipe_config); + + pipe_config->scaler_state.scaler_id = -1; + pipe_config->scaler_state.scaler_users &= ~(1 << SKL_CRTC_INDEX); + } + power_domain = POWER_DOMAIN_PIPE(crtc->pipe); if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) return false; @@ -9160,13 +9143,6 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc, pipe_config->gamma_mode = I915_READ(GAMMA_MODE(crtc->pipe)) & GAMMA_MODE_MODE_MASK; - if (INTEL_GEN(dev_priv) >= 9) { - intel_crtc_init_scalers(crtc, pipe_config); - - pipe_config->scaler_state.scaler_id = -1; - pipe_config->scaler_state.scaler_users &= ~(1 << SKL_CRTC_INDEX); - } - power_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); if (intel_display_power_get_if_enabled(dev_priv, power_domain)) { power_domain_mask |= BIT_ULL(power_domain); @@ -9555,7 +9531,16 @@ static void i9xx_update_cursor(struct intel_plane *plane, * On some platforms writing CURCNTR first will also * cause CURPOS to be armed by the CURBASE write. * Without the CURCNTR write the CURPOS write would - * arm itself. + * arm itself. Thus we always start the full update + * with a CURCNTR write. + * + * On other platforms CURPOS always requires the + * CURBASE write to arm the update. Additonally + * a write to any of the cursor register will cancel + * an already armed cursor update. Thus leaving out + * the CURBASE write after CURPOS could lead to a + * cursor that doesn't appear to move, or even change + * shape. Thus we always write CURBASE. * * CURCNTR and CUR_FBC_CTL are always * armed by the CURBASE write only. @@ -9574,6 +9559,7 @@ static void i9xx_update_cursor(struct intel_plane *plane, plane->cursor.cntl = cntl; } else { I915_WRITE_FW(CURPOS(pipe), pos); + I915_WRITE_FW(CURBASE(pipe), base); } POSTING_READ_FW(CURBASE(pipe)); diff --git a/drivers/gpu/drm/i915/intel_gvt.c b/drivers/gpu/drm/i915/intel_gvt.c index 52d5b82790d9..c17ed0e62b67 100644 --- a/drivers/gpu/drm/i915/intel_gvt.c +++ b/drivers/gpu/drm/i915/intel_gvt.c @@ -45,7 +45,7 @@ static bool is_supported_device(struct drm_i915_private *dev_priv) return true; if (IS_SKYLAKE(dev_priv)) return true; - if (IS_KABYLAKE(dev_priv) && INTEL_DEVID(dev_priv) == 0x591D) + if (IS_KABYLAKE(dev_priv)) return true; return false; } diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 96c2cbd81869..593349be8b9d 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -469,7 +469,7 @@ static u32 intel_panel_compute_brightness(struct intel_connector *connector, if (i915.invert_brightness > 0 || dev_priv->quirks & QUIRK_INVERT_BRIGHTNESS) { - return panel->backlight.max - val; + return panel->backlight.max - val + panel->backlight.min; } return val; diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index ee2a349cfe68..48785ef75d33 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4459,8 +4459,8 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv, if ((cpp * cstate->base.adjusted_mode.crtc_htotal / 512 < 1) && (plane_bytes_per_line / 512 < 1)) selected_result = method2; - else if ((ddb_allocation && ddb_allocation / - fixed16_to_u32_round_up(plane_blocks_per_line)) >= 1) + else if (ddb_allocation >= + fixed16_to_u32_round_up(plane_blocks_per_line)) selected_result = min_fixed16(method1, method2); else if (latency >= linetime_us) selected_result = min_fixed16(method1, method2); diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c index 47613d20bba8..2f1844c50e7d 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c @@ -207,7 +207,7 @@ struct drm_i915_private *mock_gem_device(void) mkwrite_device_info(i915)->ring_mask = BIT(0); i915->engine[RCS] = mock_engine(i915, "mock"); if (!i915->engine[RCS]) - goto err_dependencies; + goto err_priorities; i915->kernel_context = mock_context(i915, NULL); if (!i915->kernel_context) diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig index b638d192ce5e..99d39b2aefa6 100644 --- a/drivers/gpu/drm/msm/Kconfig +++ b/drivers/gpu/drm/msm/Kconfig @@ -5,7 +5,7 @@ config DRM_MSM depends on ARCH_QCOM || (ARM && COMPILE_TEST) depends on OF && COMMON_CLK depends on MMU - select QCOM_MDT_LOADER + select QCOM_MDT_LOADER if ARCH_QCOM select REGULATOR select DRM_KMS_HELPER select DRM_PANEL diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index b4b54f1c24bc..f9eae03aa1dc 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -15,7 +15,7 @@ #include <linux/cpumask.h> #include <linux/qcom_scm.h> #include <linux/dma-mapping.h> -#include <linux/of_reserved_mem.h> +#include <linux/of_address.h> #include <linux/soc/qcom/mdt_loader.h> #include "msm_gem.h" #include "msm_mmu.h" @@ -26,16 +26,34 @@ static void a5xx_dump(struct msm_gpu *gpu); #define GPU_PAS_ID 13 -#if IS_ENABLED(CONFIG_QCOM_MDT_LOADER) - static int zap_shader_load_mdt(struct device *dev, const char *fwname) { const struct firmware *fw; + struct device_node *np; + struct resource r; phys_addr_t mem_phys; ssize_t mem_size; void *mem_region = NULL; int ret; + if (!IS_ENABLED(CONFIG_ARCH_QCOM)) + return -EINVAL; + + np = of_get_child_by_name(dev->of_node, "zap-shader"); + if (!np) + return -ENODEV; + + np = of_parse_phandle(np, "memory-region", 0); + if (!np) + return -EINVAL; + + ret = of_address_to_resource(np, 0, &r); + if (ret) + return ret; + + mem_phys = r.start; + mem_size = resource_size(&r); + /* Request the MDT file for the firmware */ ret = request_firmware(&fw, fwname, dev); if (ret) { @@ -51,7 +69,7 @@ static int zap_shader_load_mdt(struct device *dev, const char *fwname) } /* Allocate memory for the firmware image */ - mem_region = dmam_alloc_coherent(dev, mem_size, &mem_phys, GFP_KERNEL); + mem_region = memremap(mem_phys, mem_size, MEMREMAP_WC); if (!mem_region) { ret = -ENOMEM; goto out; @@ -69,16 +87,13 @@ static int zap_shader_load_mdt(struct device *dev, const char *fwname) DRM_DEV_ERROR(dev, "Unable to authorize the image\n"); out: + if (mem_region) + memunmap(mem_region); + release_firmware(fw); return ret; } -#else -static int zap_shader_load_mdt(struct device *dev, const char *fwname) -{ - return -ENODEV; -} -#endif static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, struct msm_file_private *ctx) @@ -117,12 +132,10 @@ static void a5xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit, gpu->funcs->flush(gpu); } -struct a5xx_hwcg { +static const struct { u32 offset; u32 value; -}; - -static const struct a5xx_hwcg a530_hwcg[] = { +} a5xx_hwcg[] = { {REG_A5XX_RBBM_CLOCK_CNTL_SP0, 0x02222222}, {REG_A5XX_RBBM_CLOCK_CNTL_SP1, 0x02222222}, {REG_A5XX_RBBM_CLOCK_CNTL_SP2, 0x02222222}, @@ -217,38 +230,16 @@ static const struct a5xx_hwcg a530_hwcg[] = { {REG_A5XX_RBBM_CLOCK_DELAY_VFD, 0x00002222} }; -static const struct { - int (*test)(struct adreno_gpu *gpu); - const struct a5xx_hwcg *regs; - unsigned int count; -} a5xx_hwcg_regs[] = { - { adreno_is_a530, a530_hwcg, ARRAY_SIZE(a530_hwcg), }, -}; - -static void _a5xx_enable_hwcg(struct msm_gpu *gpu, - const struct a5xx_hwcg *regs, unsigned int count) +void a5xx_set_hwcg(struct msm_gpu *gpu, bool state) { unsigned int i; - for (i = 0; i < count; i++) - gpu_write(gpu, regs[i].offset, regs[i].value); + for (i = 0; i < ARRAY_SIZE(a5xx_hwcg); i++) + gpu_write(gpu, a5xx_hwcg[i].offset, + state ? a5xx_hwcg[i].value : 0); - gpu_write(gpu, REG_A5XX_RBBM_CLOCK_CNTL, 0xAAA8AA00); - gpu_write(gpu, REG_A5XX_RBBM_ISDB_CNT, 0x182); -} - -static void a5xx_enable_hwcg(struct msm_gpu *gpu) -{ - struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(a5xx_hwcg_regs); i++) { - if (a5xx_hwcg_regs[i].test(adreno_gpu)) { - _a5xx_enable_hwcg(gpu, a5xx_hwcg_regs[i].regs, - a5xx_hwcg_regs[i].count); - return; - } - } + gpu_write(gpu, REG_A5XX_RBBM_CLOCK_CNTL, state ? 0xAAA8AA00 : 0); + gpu_write(gpu, REG_A5XX_RBBM_ISDB_CNT, state ? 0x182 : 0x180); } static int a5xx_me_init(struct msm_gpu *gpu) @@ -377,45 +368,6 @@ static int a5xx_zap_shader_resume(struct msm_gpu *gpu) return ret; } -/* Set up a child device to "own" the zap shader */ -static int a5xx_zap_shader_dev_init(struct device *parent, struct device *dev) -{ - struct device_node *node; - int ret; - - if (dev->parent) - return 0; - - /* Find the sub-node for the zap shader */ - node = of_get_child_by_name(parent->of_node, "zap-shader"); - if (!node) { - DRM_DEV_ERROR(parent, "zap-shader not found in device tree\n"); - return -ENODEV; - } - - dev->parent = parent; - dev->of_node = node; - dev_set_name(dev, "adreno_zap_shader"); - - ret = device_register(dev); - if (ret) { - DRM_DEV_ERROR(parent, "Couldn't register zap shader device\n"); - goto out; - } - - ret = of_reserved_mem_device_init(dev); - if (ret) { - DRM_DEV_ERROR(parent, "Unable to set up the reserved memory\n"); - device_unregister(dev); - } - -out: - if (ret) - dev->parent = NULL; - - return ret; -} - static int a5xx_zap_shader_init(struct msm_gpu *gpu) { static bool loaded; @@ -444,11 +396,7 @@ static int a5xx_zap_shader_init(struct msm_gpu *gpu) return -ENODEV; } - ret = a5xx_zap_shader_dev_init(&pdev->dev, &a5xx_gpu->zap_dev); - - if (!ret) - ret = zap_shader_load_mdt(&a5xx_gpu->zap_dev, - adreno_gpu->info->zapfw); + ret = zap_shader_load_mdt(&pdev->dev, adreno_gpu->info->zapfw); loaded = !ret; @@ -545,7 +493,7 @@ static int a5xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL1, 0xA6FFFFFF); /* Enable HWCG */ - a5xx_enable_hwcg(gpu); + a5xx_set_hwcg(gpu, true); gpu_write(gpu, REG_A5XX_RBBM_AHB_CNTL2, 0x0000003F); @@ -691,9 +639,6 @@ static void a5xx_destroy(struct msm_gpu *gpu) DBG("%s", gpu->name); - if (a5xx_gpu->zap_dev.parent) - device_unregister(&a5xx_gpu->zap_dev); - if (a5xx_gpu->pm4_bo) { if (a5xx_gpu->pm4_iova) msm_gem_put_iova(a5xx_gpu->pm4_bo, gpu->aspace); @@ -920,31 +865,30 @@ static const u32 a5xx_registers[] = { 0x0000, 0x0002, 0x0004, 0x0020, 0x0022, 0x0026, 0x0029, 0x002B, 0x002E, 0x0035, 0x0038, 0x0042, 0x0044, 0x0044, 0x0047, 0x0095, 0x0097, 0x00BB, 0x03A0, 0x0464, 0x0469, 0x046F, 0x04D2, 0x04D3, - 0x04E0, 0x0533, 0x0540, 0x0555, 0xF400, 0xF400, 0xF800, 0xF807, - 0x0800, 0x081A, 0x081F, 0x0841, 0x0860, 0x0860, 0x0880, 0x08A0, - 0x0B00, 0x0B12, 0x0B15, 0x0B28, 0x0B78, 0x0B7F, 0x0BB0, 0x0BBD, - 0x0BC0, 0x0BC6, 0x0BD0, 0x0C53, 0x0C60, 0x0C61, 0x0C80, 0x0C82, - 0x0C84, 0x0C85, 0x0C90, 0x0C98, 0x0CA0, 0x0CA0, 0x0CB0, 0x0CB2, - 0x2180, 0x2185, 0x2580, 0x2585, 0x0CC1, 0x0CC1, 0x0CC4, 0x0CC7, - 0x0CCC, 0x0CCC, 0x0CD0, 0x0CD8, 0x0CE0, 0x0CE5, 0x0CE8, 0x0CE8, - 0x0CEC, 0x0CF1, 0x0CFB, 0x0D0E, 0x2100, 0x211E, 0x2140, 0x2145, - 0x2500, 0x251E, 0x2540, 0x2545, 0x0D10, 0x0D17, 0x0D20, 0x0D23, - 0x0D30, 0x0D30, 0x20C0, 0x20C0, 0x24C0, 0x24C0, 0x0E40, 0x0E43, - 0x0E4A, 0x0E4A, 0x0E50, 0x0E57, 0x0E60, 0x0E7C, 0x0E80, 0x0E8E, - 0x0E90, 0x0E96, 0x0EA0, 0x0EA8, 0x0EB0, 0x0EB2, 0xE140, 0xE147, - 0xE150, 0xE187, 0xE1A0, 0xE1A9, 0xE1B0, 0xE1B6, 0xE1C0, 0xE1C7, - 0xE1D0, 0xE1D1, 0xE200, 0xE201, 0xE210, 0xE21C, 0xE240, 0xE268, - 0xE000, 0xE006, 0xE010, 0xE09A, 0xE0A0, 0xE0A4, 0xE0AA, 0xE0EB, - 0xE100, 0xE105, 0xE380, 0xE38F, 0xE3B0, 0xE3B0, 0xE400, 0xE405, - 0xE408, 0xE4E9, 0xE4F0, 0xE4F0, 0xE280, 0xE280, 0xE282, 0xE2A3, - 0xE2A5, 0xE2C2, 0xE940, 0xE947, 0xE950, 0xE987, 0xE9A0, 0xE9A9, - 0xE9B0, 0xE9B6, 0xE9C0, 0xE9C7, 0xE9D0, 0xE9D1, 0xEA00, 0xEA01, - 0xEA10, 0xEA1C, 0xEA40, 0xEA68, 0xE800, 0xE806, 0xE810, 0xE89A, - 0xE8A0, 0xE8A4, 0xE8AA, 0xE8EB, 0xE900, 0xE905, 0xEB80, 0xEB8F, - 0xEBB0, 0xEBB0, 0xEC00, 0xEC05, 0xEC08, 0xECE9, 0xECF0, 0xECF0, - 0xEA80, 0xEA80, 0xEA82, 0xEAA3, 0xEAA5, 0xEAC2, 0xA800, 0xA8FF, - 0xAC60, 0xAC60, 0xB000, 0xB97F, 0xB9A0, 0xB9BF, - ~0 + 0x04E0, 0x0533, 0x0540, 0x0555, 0x0800, 0x081A, 0x081F, 0x0841, + 0x0860, 0x0860, 0x0880, 0x08A0, 0x0B00, 0x0B12, 0x0B15, 0x0B28, + 0x0B78, 0x0B7F, 0x0BB0, 0x0BBD, 0x0BC0, 0x0BC6, 0x0BD0, 0x0C53, + 0x0C60, 0x0C61, 0x0C80, 0x0C82, 0x0C84, 0x0C85, 0x0C90, 0x0C98, + 0x0CA0, 0x0CA0, 0x0CB0, 0x0CB2, 0x2180, 0x2185, 0x2580, 0x2585, + 0x0CC1, 0x0CC1, 0x0CC4, 0x0CC7, 0x0CCC, 0x0CCC, 0x0CD0, 0x0CD8, + 0x0CE0, 0x0CE5, 0x0CE8, 0x0CE8, 0x0CEC, 0x0CF1, 0x0CFB, 0x0D0E, + 0x2100, 0x211E, 0x2140, 0x2145, 0x2500, 0x251E, 0x2540, 0x2545, + 0x0D10, 0x0D17, 0x0D20, 0x0D23, 0x0D30, 0x0D30, 0x20C0, 0x20C0, + 0x24C0, 0x24C0, 0x0E40, 0x0E43, 0x0E4A, 0x0E4A, 0x0E50, 0x0E57, + 0x0E60, 0x0E7C, 0x0E80, 0x0E8E, 0x0E90, 0x0E96, 0x0EA0, 0x0EA8, + 0x0EB0, 0x0EB2, 0xE140, 0xE147, 0xE150, 0xE187, 0xE1A0, 0xE1A9, + 0xE1B0, 0xE1B6, 0xE1C0, 0xE1C7, 0xE1D0, 0xE1D1, 0xE200, 0xE201, + 0xE210, 0xE21C, 0xE240, 0xE268, 0xE000, 0xE006, 0xE010, 0xE09A, + 0xE0A0, 0xE0A4, 0xE0AA, 0xE0EB, 0xE100, 0xE105, 0xE380, 0xE38F, + 0xE3B0, 0xE3B0, 0xE400, 0xE405, 0xE408, 0xE4E9, 0xE4F0, 0xE4F0, + 0xE280, 0xE280, 0xE282, 0xE2A3, 0xE2A5, 0xE2C2, 0xE940, 0xE947, + 0xE950, 0xE987, 0xE9A0, 0xE9A9, 0xE9B0, 0xE9B6, 0xE9C0, 0xE9C7, + 0xE9D0, 0xE9D1, 0xEA00, 0xEA01, 0xEA10, 0xEA1C, 0xEA40, 0xEA68, + 0xE800, 0xE806, 0xE810, 0xE89A, 0xE8A0, 0xE8A4, 0xE8AA, 0xE8EB, + 0xE900, 0xE905, 0xEB80, 0xEB8F, 0xEBB0, 0xEBB0, 0xEC00, 0xEC05, + 0xEC08, 0xECE9, 0xECF0, 0xECF0, 0xEA80, 0xEA80, 0xEA82, 0xEAA3, + 0xEAA5, 0xEAC2, 0xA800, 0xA8FF, 0xAC60, 0xAC60, 0xB000, 0xB97F, + 0xB9A0, 0xB9BF, ~0 }; static void a5xx_dump(struct msm_gpu *gpu) @@ -1020,7 +964,14 @@ static void a5xx_show(struct msm_gpu *gpu, struct seq_file *m) { seq_printf(m, "status: %08x\n", gpu_read(gpu, REG_A5XX_RBBM_STATUS)); + + /* + * Temporarily disable hardware clock gating before going into + * adreno_show to avoid issues while reading the registers + */ + a5xx_set_hwcg(gpu, false); adreno_show(gpu, m); + a5xx_set_hwcg(gpu, true); } #endif diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h index 6638bc85645d..1137092241d5 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h @@ -36,8 +36,6 @@ struct a5xx_gpu { uint32_t gpmu_dwords; uint32_t lm_leakage; - - struct device zap_dev; }; #define to_a5xx_gpu(x) container_of(x, struct a5xx_gpu, base) @@ -59,5 +57,6 @@ static inline int spin_usecs(struct msm_gpu *gpu, uint32_t usecs, } bool a5xx_idle(struct msm_gpu *gpu); +void a5xx_set_hwcg(struct msm_gpu *gpu, bool state); #endif /* __A5XX_GPU_H__ */ diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index f1ab2703674a..7414c6bbd582 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -48,8 +48,15 @@ int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value) *value = adreno_gpu->base.fast_rate; return 0; case MSM_PARAM_TIMESTAMP: - if (adreno_gpu->funcs->get_timestamp) - return adreno_gpu->funcs->get_timestamp(gpu, value); + if (adreno_gpu->funcs->get_timestamp) { + int ret; + + pm_runtime_get_sync(&gpu->pdev->dev); + ret = adreno_gpu->funcs->get_timestamp(gpu, value); + pm_runtime_put_autosuspend(&gpu->pdev->dev); + + return ret; + } return -EINVAL; default: DBG("%s: invalid param: %u", gpu->name, param); diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 9e9c5696bc03..c7b612c3d771 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -2137,6 +2137,13 @@ void msm_dsi_host_get_phy_clk_req(struct mipi_dsi_host *host, struct msm_dsi_phy_clk_request *clk_req) { struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + int ret; + + ret = dsi_calc_clk_rate(msm_host); + if (ret) { + pr_err("%s: unable to calc clk rate, %d\n", __func__, ret); + return; + } clk_req->bitclk_rate = msm_host->byte_clk_rate * 8; clk_req->escclk_rate = msm_host->esc_clk_rate; @@ -2280,7 +2287,6 @@ int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host, struct drm_display_mode *mode) { struct msm_dsi_host *msm_host = to_msm_dsi_host(host); - int ret; if (msm_host->mode) { drm_mode_destroy(msm_host->dev, msm_host->mode); @@ -2293,12 +2299,6 @@ int msm_dsi_host_set_display_mode(struct mipi_dsi_host *host, return -ENOMEM; } - ret = dsi_calc_clk_rate(msm_host); - if (ret) { - pr_err("%s: unable to calc clk rate, %d\n", __func__, ret); - return ret; - } - return 0; } diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index 5e3bc7224eee..3a81e26629c7 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -221,8 +221,8 @@ static void blend_setup(struct drm_crtc *crtc) struct mdp5_ctl *ctl = mdp5_cstate->ctl; uint32_t blend_op, fg_alpha, bg_alpha, ctl_blend_flags = 0; unsigned long flags; - enum mdp5_pipe stage[STAGE_MAX + 1][MAX_PIPE_STAGE] = { SSPP_NONE }; - enum mdp5_pipe r_stage[STAGE_MAX + 1][MAX_PIPE_STAGE] = { SSPP_NONE }; + enum mdp5_pipe stage[STAGE_MAX + 1][MAX_PIPE_STAGE] = { { SSPP_NONE } }; + enum mdp5_pipe r_stage[STAGE_MAX + 1][MAX_PIPE_STAGE] = { { SSPP_NONE } }; int i, plane_cnt = 0; bool bg_alpha_enabled = false; u32 mixer_op_mode = 0; @@ -755,6 +755,7 @@ static int mdp5_crtc_cursor_set(struct drm_crtc *crtc, if (!handle) { DBG("Cursor off"); cursor_enable = false; + mdp5_enable(mdp5_kms); goto set_cursor; } @@ -778,6 +779,8 @@ static int mdp5_crtc_cursor_set(struct drm_crtc *crtc, get_roi(crtc, &roi_w, &roi_h); + mdp5_enable(mdp5_kms); + mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_STRIDE(lm), stride); mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_FORMAT(lm), MDP5_LM_CURSOR_FORMAT_FORMAT(CURSOR_FMT_ARGB8888)); @@ -806,6 +809,7 @@ set_cursor: crtc_flush(crtc, flush_mask); end: + mdp5_disable(mdp5_kms); if (old_bo) { drm_flip_work_queue(&mdp5_crtc->unref_cursor_work, old_bo); /* enable vblank to complete cursor work: */ @@ -838,6 +842,8 @@ static int mdp5_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) get_roi(crtc, &roi_w, &roi_h); + mdp5_enable(mdp5_kms); + spin_lock_irqsave(&mdp5_crtc->cursor.lock, flags); mdp5_write(mdp5_kms, REG_MDP5_LM_CURSOR_SIZE(lm), MDP5_LM_CURSOR_SIZE_ROI_H(roi_h) | @@ -849,6 +855,8 @@ static int mdp5_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) crtc_flush(crtc, flush_mask); + mdp5_disable(mdp5_kms); + return 0; } diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c index 97f3294fbfc6..70bef51245af 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_encoder.c @@ -299,7 +299,7 @@ static void mdp5_encoder_enable(struct drm_encoder *encoder) struct mdp5_interface *intf = mdp5_encoder->intf; if (intf->mode == MDP5_INTF_DSI_MODE_COMMAND) - mdp5_cmd_encoder_disable(encoder); + mdp5_cmd_encoder_enable(encoder); else mdp5_vid_encoder_enable(encoder); } diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c index 5d13fa5381ee..1c603aef3c59 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c @@ -502,7 +502,7 @@ static int get_clk(struct platform_device *pdev, struct clk **clkp, const char *name, bool mandatory) { struct device *dev = &pdev->dev; - struct clk *clk = devm_clk_get(dev, name); + struct clk *clk = msm_clk_get(pdev, name); if (IS_ERR(clk) && mandatory) { dev_err(dev, "failed to get %s (%ld)\n", name, PTR_ERR(clk)); return PTR_ERR(clk); @@ -887,21 +887,21 @@ static int mdp5_init(struct platform_device *pdev, struct drm_device *dev) } /* mandatory clocks: */ - ret = get_clk(pdev, &mdp5_kms->axi_clk, "bus_clk", true); + ret = get_clk(pdev, &mdp5_kms->axi_clk, "bus", true); if (ret) goto fail; - ret = get_clk(pdev, &mdp5_kms->ahb_clk, "iface_clk", true); + ret = get_clk(pdev, &mdp5_kms->ahb_clk, "iface", true); if (ret) goto fail; - ret = get_clk(pdev, &mdp5_kms->core_clk, "core_clk", true); + ret = get_clk(pdev, &mdp5_kms->core_clk, "core", true); if (ret) goto fail; - ret = get_clk(pdev, &mdp5_kms->vsync_clk, "vsync_clk", true); + ret = get_clk(pdev, &mdp5_kms->vsync_clk, "vsync", true); if (ret) goto fail; /* optional clocks: */ - get_clk(pdev, &mdp5_kms->lut_clk, "lut_clk", false); + get_clk(pdev, &mdp5_kms->lut_clk, "lut", false); /* we need to set a default rate before enabling. Set a safe * rate first, then figure out hw revision, and then set a diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c index 818244ac4a4b..4b22ac3413a1 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c @@ -888,8 +888,8 @@ static int mdp5_plane_mode_set(struct drm_plane *plane, struct mdp5_hw_pipe *right_hwpipe; const struct mdp_format *format; uint32_t nplanes, config = 0; - struct phase_step step = { 0 }; - struct pixel_ext pe = { 0 }; + struct phase_step step = { { 0 } }; + struct pixel_ext pe = { { 0 } }; uint32_t hdecm = 0, vdecm = 0; uint32_t pix_format; unsigned int rotation; diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 65f35544c1ec..a0c60e738db8 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -383,8 +383,10 @@ int msm_gem_get_iova(struct drm_gem_object *obj, struct page **pages; vma = add_vma(obj, aspace); - if (IS_ERR(vma)) - return PTR_ERR(vma); + if (IS_ERR(vma)) { + ret = PTR_ERR(vma); + goto unlock; + } pages = get_pages(obj); if (IS_ERR(pages)) { @@ -405,7 +407,7 @@ int msm_gem_get_iova(struct drm_gem_object *obj, fail: del_vma(vma); - +unlock: mutex_unlock(&msm_obj->lock); return ret; } @@ -928,8 +930,12 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev, if (use_vram) { struct msm_gem_vma *vma; struct page **pages; + struct msm_gem_object *msm_obj = to_msm_bo(obj); + + mutex_lock(&msm_obj->lock); vma = add_vma(obj, NULL); + mutex_unlock(&msm_obj->lock); if (IS_ERR(vma)) { ret = PTR_ERR(vma); goto fail; diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 6bfca7470141..8a75c0bd8a78 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -34,8 +34,8 @@ static struct msm_gem_submit *submit_create(struct drm_device *dev, struct msm_gpu *gpu, uint32_t nr_bos, uint32_t nr_cmds) { struct msm_gem_submit *submit; - uint64_t sz = sizeof(*submit) + (nr_bos * sizeof(submit->bos[0])) + - (nr_cmds * sizeof(submit->cmd[0])); + uint64_t sz = sizeof(*submit) + ((u64)nr_bos * sizeof(submit->bos[0])) + + ((u64)nr_cmds * sizeof(submit->cmd[0])); if (sz > SIZE_MAX) return NULL; @@ -451,7 +451,7 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, if (ret) goto out; - if (!(args->fence & MSM_SUBMIT_NO_IMPLICIT)) { + if (!(args->flags & MSM_SUBMIT_NO_IMPLICIT)) { ret = submit_fence_sync(submit); if (ret) goto out; diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c b/drivers/gpu/drm/msm/msm_gem_vma.c index c36321bc8714..d34e331554f3 100644 --- a/drivers/gpu/drm/msm/msm_gem_vma.c +++ b/drivers/gpu/drm/msm/msm_gem_vma.c @@ -42,7 +42,7 @@ void msm_gem_unmap_vma(struct msm_gem_address_space *aspace, struct msm_gem_vma *vma, struct sg_table *sgt) { - if (!vma->iova) + if (!aspace || !vma->iova) return; if (aspace->mmu) { diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 196eb668d30d..5137155bf3c0 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -1147,8 +1147,6 @@ nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg) return -ENODEV; if (WARN_ON(msg->size > 16)) return -E2BIG; - if (msg->size == 0) - return msg->size; ret = nvkm_i2c_aux_acquire(aux); if (ret) diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index b9a109be989c..d66640047913 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -407,7 +407,6 @@ nouveau_display_fini(struct drm_device *dev, bool suspend) struct nouveau_display *disp = nouveau_display(dev); struct nouveau_drm *drm = nouveau_drm(dev); struct drm_connector *connector; - struct drm_crtc *crtc; if (!suspend) { if (drm_drv_uses_atomic_modeset(dev)) @@ -416,10 +415,6 @@ nouveau_display_fini(struct drm_device *dev, bool suspend) drm_crtc_force_disable_all(dev); } - /* Make sure that drm and hw vblank irqs get properly disabled. */ - drm_for_each_crtc(crtc, dev) - drm_crtc_vblank_off(crtc); - /* disable flip completion events */ nvif_notify_put(&drm->flip); diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 6dee4071bb3f..2efcfb18024d 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -3658,15 +3658,24 @@ nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe) drm_mode_connector_attach_encoder(connector, encoder); if (dcbe->type == DCB_OUTPUT_DP) { + struct nv50_disp *disp = nv50_disp(encoder->dev); struct nvkm_i2c_aux *aux = nvkm_i2c_aux_find(i2c, dcbe->i2c_index); if (aux) { - nv_encoder->i2c = &nv_connector->aux.ddc; + if (disp->disp->oclass < GF110_DISP) { + /* HW has no support for address-only + * transactions, so we're required to + * use custom I2C-over-AUX code. + */ + nv_encoder->i2c = &aux->i2c; + } else { + nv_encoder->i2c = &nv_connector->aux.ddc; + } nv_encoder->aux = aux; } /*TODO: Use DP Info Table to check for support. */ - if (nv50_disp(encoder->dev)->disp->oclass >= GF110_DISP) { + if (disp->disp->oclass >= GF110_DISP) { ret = nv50_mstm_new(nv_encoder, &nv_connector->aux, 16, nv_connector->base.base.id, &nv_encoder->dp.mstm); @@ -3915,6 +3924,8 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state) NV_ATOMIC(drm, "%s: clr %04x (set %04x)\n", crtc->name, asyh->clr.mask, asyh->set.mask); + if (new_crtc_state->active && !asyh->state.active) + drm_crtc_vblank_off(crtc); if (asyh->clr.mask) { nv50_head_flush_clr(head, asyh, atom->flush_disable); @@ -4000,11 +4011,13 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state) nv50_head_flush_set(head, asyh); interlock_core = 1; } - } - for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) { - if (new_crtc_state->event) - drm_crtc_vblank_get(crtc); + if (asyh->state.active) { + if (!new_crtc_state->active) + drm_crtc_vblank_on(crtc); + if (asyh->state.event) + drm_crtc_vblank_get(crtc); + } } /* Update plane(s). */ @@ -4051,12 +4064,14 @@ nv50_disp_atomic_commit_tail(struct drm_atomic_state *state) if (new_crtc_state->event) { unsigned long flags; /* Get correct count/ts if racing with vblank irq */ - drm_crtc_accurate_vblank_count(crtc); + if (crtc->state->active) + drm_crtc_accurate_vblank_count(crtc); spin_lock_irqsave(&crtc->dev->event_lock, flags); drm_crtc_send_vblank_event(crtc, new_crtc_state->event); spin_unlock_irqrestore(&crtc->dev->event_lock, flags); new_crtc_state->event = NULL; - drm_crtc_vblank_put(crtc); + if (crtc->state->active) + drm_crtc_vblank_put(crtc); } } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c index c7c84d34d97e..88582af8bd89 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/base.c @@ -267,6 +267,8 @@ nvkm_disp_oneinit(struct nvkm_engine *engine) /* Create output path objects for each VBIOS display path. */ i = -1; while ((data = dcb_outp_parse(bios, ++i, &ver, &hdr, &dcbE))) { + if (ver < 0x40) /* No support for chipsets prior to NV50. */ + break; if (dcbE.type == DCB_OUTPUT_UNUSED) continue; if (dcbE.type == DCB_OUTPUT_EOL) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h index a24312fb0228..a1e8bf48b778 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h @@ -22,6 +22,7 @@ struct nvkm_ior { unsigned proto_evo:4; enum nvkm_ior_proto { CRT, + TV, TMDS, LVDS, DP, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h index 19c635663399..6ea19466f436 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h @@ -22,7 +22,7 @@ struct nv50_disp { u8 type[3]; } pior; - struct nv50_disp_chan *chan[17]; + struct nv50_disp_chan *chan[21]; }; void nv50_disp_super_1(struct nv50_disp *); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c index 85aff85394ac..be9e7f8c3b23 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.c @@ -62,6 +62,7 @@ nvkm_outp_xlat(struct nvkm_outp *outp, enum nvkm_ior_type *type) case 0: switch (outp->info.type) { case DCB_OUTPUT_ANALOG: *type = DAC; return CRT; + case DCB_OUTPUT_TV : *type = DAC; return TV; case DCB_OUTPUT_TMDS : *type = SOR; return TMDS; case DCB_OUTPUT_LVDS : *type = SOR; return LVDS; case DCB_OUTPUT_DP : *type = SOR; return DP; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c index c794b2c2d21e..6d8f21290aa2 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c @@ -129,7 +129,7 @@ gf100_bar_init(struct nvkm_bar *base) if (bar->bar[0].mem) { addr = nvkm_memory_addr(bar->bar[0].mem) >> 12; - nvkm_wr32(device, 0x001714, 0xc0000000 | addr); + nvkm_wr32(device, 0x001714, 0x80000000 | addr); } return 0; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild index 48f01e40b8fc..b768e66a472b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/Kbuild @@ -25,6 +25,7 @@ nvkm-y += nvkm/subdev/i2c/bit.o nvkm-y += nvkm/subdev/i2c/aux.o nvkm-y += nvkm/subdev/i2c/auxg94.o +nvkm-y += nvkm/subdev/i2c/auxgf119.o nvkm-y += nvkm/subdev/i2c/auxgm200.o nvkm-y += nvkm/subdev/i2c/anx9805.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c index d172e42dd228..4c1f547da463 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.c @@ -117,6 +117,10 @@ int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *aux, bool retry, u8 type, u32 addr, u8 *data, u8 *size) { + if (!*size && !aux->func->address_only) { + AUX_ERR(aux, "address-only transaction dropped"); + return -ENOSYS; + } return aux->func->xfer(aux, retry, type, addr, data, size); } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h index 27a4a39c87f0..9587ab456d9e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h @@ -3,6 +3,7 @@ #include "pad.h" struct nvkm_i2c_aux_func { + bool address_only; int (*xfer)(struct nvkm_i2c_aux *, bool retry, u8 type, u32 addr, u8 *data, u8 *size); int (*lnk_ctl)(struct nvkm_i2c_aux *, int link_nr, int link_bw, @@ -17,7 +18,12 @@ void nvkm_i2c_aux_del(struct nvkm_i2c_aux **); int nvkm_i2c_aux_xfer(struct nvkm_i2c_aux *, bool retry, u8 type, u32 addr, u8 *data, u8 *size); +int g94_i2c_aux_new_(const struct nvkm_i2c_aux_func *, struct nvkm_i2c_pad *, + int, u8, struct nvkm_i2c_aux **); + int g94_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **); +int g94_i2c_aux_xfer(struct nvkm_i2c_aux *, bool, u8, u32, u8 *, u8 *); +int gf119_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **); int gm200_i2c_aux_new(struct nvkm_i2c_pad *, int, u8, struct nvkm_i2c_aux **); #define AUX_MSG(b,l,f,a...) do { \ diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c index ab8cb196c34e..c8ab1b5741a3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxg94.c @@ -72,7 +72,7 @@ g94_i2c_aux_init(struct g94_i2c_aux *aux) return 0; } -static int +int g94_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry, u8 type, u32 addr, u8 *data, u8 *size) { @@ -105,9 +105,9 @@ g94_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry, } ctrl = nvkm_rd32(device, 0x00e4e4 + base); - ctrl &= ~0x0001f0ff; + ctrl &= ~0x0001f1ff; ctrl |= type << 12; - ctrl |= *size - 1; + ctrl |= (*size ? (*size - 1) : 0x00000100); nvkm_wr32(device, 0x00e4e0 + base, addr); /* (maybe) retry transaction a number of times on failure... */ @@ -160,14 +160,10 @@ out: return ret < 0 ? ret : (stat & 0x000f0000) >> 16; } -static const struct nvkm_i2c_aux_func -g94_i2c_aux_func = { - .xfer = g94_i2c_aux_xfer, -}; - int -g94_i2c_aux_new(struct nvkm_i2c_pad *pad, int index, u8 drive, - struct nvkm_i2c_aux **paux) +g94_i2c_aux_new_(const struct nvkm_i2c_aux_func *func, + struct nvkm_i2c_pad *pad, int index, u8 drive, + struct nvkm_i2c_aux **paux) { struct g94_i2c_aux *aux; @@ -175,8 +171,20 @@ g94_i2c_aux_new(struct nvkm_i2c_pad *pad, int index, u8 drive, return -ENOMEM; *paux = &aux->base; - nvkm_i2c_aux_ctor(&g94_i2c_aux_func, pad, index, &aux->base); + nvkm_i2c_aux_ctor(func, pad, index, &aux->base); aux->ch = drive; aux->base.intr = 1 << aux->ch; return 0; } + +static const struct nvkm_i2c_aux_func +g94_i2c_aux = { + .xfer = g94_i2c_aux_xfer, +}; + +int +g94_i2c_aux_new(struct nvkm_i2c_pad *pad, int index, u8 drive, + struct nvkm_i2c_aux **paux) +{ + return g94_i2c_aux_new_(&g94_i2c_aux, pad, index, drive, paux); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgf119.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgf119.c new file mode 100644 index 000000000000..dab40cd8fe3a --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgf119.c @@ -0,0 +1,35 @@ +/* + * Copyright 2017 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ +#include "aux.h" + +static const struct nvkm_i2c_aux_func +gf119_i2c_aux = { + .address_only = true, + .xfer = g94_i2c_aux_xfer, +}; + +int +gf119_i2c_aux_new(struct nvkm_i2c_pad *pad, int index, u8 drive, + struct nvkm_i2c_aux **paux) +{ + return g94_i2c_aux_new_(&gf119_i2c_aux, pad, index, drive, paux); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c index ee091fa79628..7ef60895f43a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c @@ -105,9 +105,9 @@ gm200_i2c_aux_xfer(struct nvkm_i2c_aux *obj, bool retry, } ctrl = nvkm_rd32(device, 0x00d954 + base); - ctrl &= ~0x0001f0ff; + ctrl &= ~0x0001f1ff; ctrl |= type << 12; - ctrl |= *size - 1; + ctrl |= (*size ? (*size - 1) : 0x00000100); nvkm_wr32(device, 0x00d950 + base, addr); /* (maybe) retry transaction a number of times on failure... */ @@ -162,6 +162,7 @@ out: static const struct nvkm_i2c_aux_func gm200_i2c_aux_func = { + .address_only = true, .xfer = gm200_i2c_aux_xfer, }; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgf119.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgf119.c index d53212f1aa52..3bc4d0310076 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgf119.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/padgf119.c @@ -28,7 +28,7 @@ static const struct nvkm_i2c_pad_func gf119_i2c_pad_s_func = { .bus_new_4 = gf119_i2c_bus_new, - .aux_new_6 = g94_i2c_aux_new, + .aux_new_6 = gf119_i2c_aux_new, .mode = g94_i2c_pad_mode, }; @@ -41,7 +41,7 @@ gf119_i2c_pad_s_new(struct nvkm_i2c *i2c, int id, struct nvkm_i2c_pad **ppad) static const struct nvkm_i2c_pad_func gf119_i2c_pad_x_func = { .bus_new_4 = gf119_i2c_bus_new, - .aux_new_6 = g94_i2c_aux_new, + .aux_new_6 = gf119_i2c_aux_new, }; int diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig index 50c41c0a50ef..dcc539ba85d6 100644 --- a/drivers/gpu/drm/rockchip/Kconfig +++ b/drivers/gpu/drm/rockchip/Kconfig @@ -5,6 +5,10 @@ config DRM_ROCKCHIP select DRM_KMS_HELPER select DRM_PANEL select VIDEOMODE_HELPERS + select DRM_ANALOGIX_DP if ROCKCHIP_ANALOGIX_DP + select DRM_DW_HDMI if ROCKCHIP_DW_HDMI + select DRM_MIPI_DSI if ROCKCHIP_DW_MIPI_DSI + select SND_SOC_HDMI_CODEC if ROCKCHIP_CDN_DP && SND_SOC help Choose this option if you have a Rockchip soc chipset. This driver provides kernel mode setting and buffer @@ -12,10 +16,10 @@ config DRM_ROCKCHIP 2D or 3D acceleration; acceleration is performed by other IP found on the SoC. +if DRM_ROCKCHIP + config ROCKCHIP_ANALOGIX_DP bool "Rockchip specific extensions for Analogix DP driver" - depends on DRM_ROCKCHIP - select DRM_ANALOGIX_DP help This selects support for Rockchip SoC specific extensions for the Analogix Core DP driver. If you want to enable DP @@ -23,9 +27,7 @@ config ROCKCHIP_ANALOGIX_DP config ROCKCHIP_CDN_DP bool "Rockchip cdn DP" - depends on DRM_ROCKCHIP - depends on EXTCON - select SND_SOC_HDMI_CODEC if SND_SOC + depends on EXTCON=y || (EXTCON=m && DRM_ROCKCHIP=m) help This selects support for Rockchip SoC specific extensions for the cdn DP driver. If you want to enable Dp on @@ -34,8 +36,6 @@ config ROCKCHIP_CDN_DP config ROCKCHIP_DW_HDMI bool "Rockchip specific extensions for Synopsys DW HDMI" - depends on DRM_ROCKCHIP - select DRM_DW_HDMI help This selects support for Rockchip SoC specific extensions for the Synopsys DesignWare HDMI driver. If you want to @@ -44,8 +44,6 @@ config ROCKCHIP_DW_HDMI config ROCKCHIP_DW_MIPI_DSI bool "Rockchip specific extensions for Synopsys DW MIPI DSI" - depends on DRM_ROCKCHIP - select DRM_MIPI_DSI help This selects support for Rockchip SoC specific extensions for the Synopsys DesignWare HDMI driver. If you want to @@ -54,8 +52,9 @@ config ROCKCHIP_DW_MIPI_DSI config ROCKCHIP_INNO_HDMI bool "Rockchip specific extensions for Innosilicon HDMI" - depends on DRM_ROCKCHIP help This selects support for Rockchip SoC specific extensions for the Innosilicon HDMI driver. If you want to enable HDMI on RK3036 based SoC, you should select this option. + +endif diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c index 35bf781e418e..c7056322211c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c @@ -30,49 +30,49 @@ #include <drm/ttm/ttm_placement.h> #include <drm/ttm/ttm_page_alloc.h> -static struct ttm_place vram_placement_flags = { +static const struct ttm_place vram_placement_flags = { .fpfn = 0, .lpfn = 0, .flags = TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED }; -static struct ttm_place vram_ne_placement_flags = { +static const struct ttm_place vram_ne_placement_flags = { .fpfn = 0, .lpfn = 0, .flags = TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT }; -static struct ttm_place sys_placement_flags = { +static const struct ttm_place sys_placement_flags = { .fpfn = 0, .lpfn = 0, .flags = TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED }; -static struct ttm_place sys_ne_placement_flags = { +static const struct ttm_place sys_ne_placement_flags = { .fpfn = 0, .lpfn = 0, .flags = TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT }; -static struct ttm_place gmr_placement_flags = { +static const struct ttm_place gmr_placement_flags = { .fpfn = 0, .lpfn = 0, .flags = VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED }; -static struct ttm_place gmr_ne_placement_flags = { +static const struct ttm_place gmr_ne_placement_flags = { .fpfn = 0, .lpfn = 0, .flags = VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT }; -static struct ttm_place mob_placement_flags = { +static const struct ttm_place mob_placement_flags = { .fpfn = 0, .lpfn = 0, .flags = VMW_PL_FLAG_MOB | TTM_PL_FLAG_CACHED }; -static struct ttm_place mob_ne_placement_flags = { +static const struct ttm_place mob_ne_placement_flags = { .fpfn = 0, .lpfn = 0, .flags = VMW_PL_FLAG_MOB | TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT @@ -85,7 +85,7 @@ struct ttm_placement vmw_vram_placement = { .busy_placement = &vram_placement_flags }; -static struct ttm_place vram_gmr_placement_flags[] = { +static const struct ttm_place vram_gmr_placement_flags[] = { { .fpfn = 0, .lpfn = 0, @@ -97,7 +97,7 @@ static struct ttm_place vram_gmr_placement_flags[] = { } }; -static struct ttm_place gmr_vram_placement_flags[] = { +static const struct ttm_place gmr_vram_placement_flags[] = { { .fpfn = 0, .lpfn = 0, @@ -116,7 +116,7 @@ struct ttm_placement vmw_vram_gmr_placement = { .busy_placement = &gmr_placement_flags }; -static struct ttm_place vram_gmr_ne_placement_flags[] = { +static const struct ttm_place vram_gmr_ne_placement_flags[] = { { .fpfn = 0, .lpfn = 0, @@ -165,7 +165,7 @@ struct ttm_placement vmw_sys_ne_placement = { .busy_placement = &sys_ne_placement_flags }; -static struct ttm_place evictable_placement_flags[] = { +static const struct ttm_place evictable_placement_flags[] = { { .fpfn = 0, .lpfn = 0, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c index 99a7f4ab7d97..86178796de6c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c @@ -779,8 +779,8 @@ static int vmw_cmdbuf_space_pool(struct vmw_cmdbuf_man *man, if (ret) return ret; - header->cb_header = dma_pool_alloc(man->headers, GFP_KERNEL, - &header->handle); + header->cb_header = dma_pool_zalloc(man->headers, GFP_KERNEL, + &header->handle); if (!header->cb_header) { ret = -ENOMEM; goto out_no_cb_header; @@ -790,7 +790,6 @@ static int vmw_cmdbuf_space_pool(struct vmw_cmdbuf_man *man, cb_hdr = header->cb_header; offset = header->node.start << PAGE_SHIFT; header->cmd = man->map + offset; - memset(cb_hdr, 0, sizeof(*cb_hdr)); if (man->using_mob) { cb_hdr->flags = SVGA_CB_FLAG_MOB; cb_hdr->ptr.mob.mobid = man->cmd_space->mem.start; @@ -827,8 +826,8 @@ static int vmw_cmdbuf_space_inline(struct vmw_cmdbuf_man *man, if (WARN_ON_ONCE(size > VMW_CMDBUF_INLINE_SIZE)) return -ENOMEM; - dheader = dma_pool_alloc(man->dheaders, GFP_KERNEL, - &header->handle); + dheader = dma_pool_zalloc(man->dheaders, GFP_KERNEL, + &header->handle); if (!dheader) return -ENOMEM; @@ -837,7 +836,6 @@ static int vmw_cmdbuf_space_inline(struct vmw_cmdbuf_man *man, cb_hdr = &dheader->cb_header; header->cb_header = cb_hdr; header->cmd = dheader->cmd; - memset(dheader, 0, sizeof(*dheader)); cb_hdr->status = SVGA_CB_STATUS_NONE; cb_hdr->flags = SVGA_CB_FLAG_NONE; cb_hdr->ptr.pa = (u64)header->handle + diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c index 1f013d45c9e9..36c7b6c839c0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c @@ -205,7 +205,7 @@ int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, int ret; cres = kzalloc(sizeof(*cres), GFP_KERNEL); - if (unlikely(cres == NULL)) + if (unlikely(!cres)) return -ENOMEM; cres->hash.key = user_key | (res_type << 24); @@ -291,7 +291,7 @@ vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv) int ret; man = kzalloc(sizeof(*man), GFP_KERNEL); - if (man == NULL) + if (!man) return ERR_PTR(-ENOMEM); man->dev_priv = dev_priv; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c index bcc6d4136c87..4212b3e673bc 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_context.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_context.c @@ -210,8 +210,8 @@ static int vmw_gb_context_init(struct vmw_private *dev_priv, for (i = 0; i < SVGA_COTABLE_DX10_MAX; ++i) { uctx->cotables[i] = vmw_cotable_alloc(dev_priv, &uctx->res, i); - if (unlikely(uctx->cotables[i] == NULL)) { - ret = -ENOMEM; + if (unlikely(IS_ERR(uctx->cotables[i]))) { + ret = PTR_ERR(uctx->cotables[i]); goto out_cotables; } } @@ -777,7 +777,7 @@ static int vmw_context_define(struct drm_device *dev, void *data, } ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); - if (unlikely(ctx == NULL)) { + if (unlikely(!ctx)) { ttm_mem_global_free(vmw_mem_glob(dev_priv), vmw_user_context_size); ret = -ENOMEM; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c index 6c026d75c180..d87861bbe971 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c @@ -584,7 +584,7 @@ struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, return ERR_PTR(ret); vcotbl = kzalloc(sizeof(*vcotbl), GFP_KERNEL); - if (unlikely(vcotbl == NULL)) { + if (unlikely(!vcotbl)) { ret = -ENOMEM; goto out_no_alloc; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 204bf181b69e..8be26509a9aa 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -227,7 +227,7 @@ static const struct drm_ioctl_desc vmw_ioctls[] = { DRM_AUTH | DRM_RENDER_ALLOW), }; -static struct pci_device_id vmw_pci_id_list[] = { +static const struct pci_device_id vmw_pci_id_list[] = { {0x15ad, 0x0405, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VMWGFX_CHIP_SVGAII}, {0, 0, 0} }; @@ -630,7 +630,7 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) char host_log[100] = {0}; dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); - if (unlikely(dev_priv == NULL)) { + if (unlikely(!dev_priv)) { DRM_ERROR("Failed allocating a device private struct.\n"); return -ENOMEM; } @@ -1035,7 +1035,7 @@ static int vmw_driver_open(struct drm_device *dev, struct drm_file *file_priv) int ret = -ENOMEM; vmw_fp = kzalloc(sizeof(*vmw_fp), GFP_KERNEL); - if (unlikely(vmw_fp == NULL)) + if (unlikely(!vmw_fp)) return ret; vmw_fp->tfile = ttm_object_file_init(dev_priv->tdev, 10); @@ -1196,7 +1196,7 @@ static int vmw_master_create(struct drm_device *dev, struct vmw_master *vmaster; vmaster = kzalloc(sizeof(*vmaster), GFP_KERNEL); - if (unlikely(vmaster == NULL)) + if (unlikely(!vmaster)) return -ENOMEM; vmw_master_init(vmaster); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index c7b53d987f06..2cfb3c93f42a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -264,7 +264,7 @@ static int vmw_resource_val_add(struct vmw_sw_context *sw_context, } node = kzalloc(sizeof(*node), GFP_KERNEL); - if (unlikely(node == NULL)) { + if (unlikely(!node)) { DRM_ERROR("Failed to allocate a resource validation " "entry.\n"); return -ENOMEM; @@ -452,7 +452,7 @@ static int vmw_resource_relocation_add(struct list_head *list, struct vmw_resource_relocation *rel; rel = kmalloc(sizeof(*rel), GFP_KERNEL); - if (unlikely(rel == NULL)) { + if (unlikely(!rel)) { DRM_ERROR("Failed to allocate a resource relocation.\n"); return -ENOMEM; } @@ -519,7 +519,7 @@ static int vmw_cmd_invalid(struct vmw_private *dev_priv, struct vmw_sw_context *sw_context, SVGA3dCmdHeader *header) { - return capable(CAP_SYS_ADMIN) ? : -EINVAL; + return -EINVAL; } static int vmw_cmd_ok(struct vmw_private *dev_priv, @@ -2584,7 +2584,7 @@ static int vmw_cmd_dx_set_vertex_buffers(struct vmw_private *dev_priv, /** * vmw_cmd_dx_ia_set_vertex_buffers - Validate an - * SVGA_3D_CMD_DX_IA_SET_VERTEX_BUFFERS command. + * SVGA_3D_CMD_DX_IA_SET_INDEX_BUFFER command. * * @dev_priv: Pointer to a device private struct. * @sw_context: The software context being used for this batch. diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c index 6b2708b4eafe..b8bc5bc7de7e 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c @@ -284,7 +284,7 @@ struct vmw_fence_manager *vmw_fence_manager_init(struct vmw_private *dev_priv) { struct vmw_fence_manager *fman = kzalloc(sizeof(*fman), GFP_KERNEL); - if (unlikely(fman == NULL)) + if (unlikely(!fman)) return NULL; fman->dev_priv = dev_priv; @@ -541,7 +541,7 @@ int vmw_fence_create(struct vmw_fence_manager *fman, int ret; fence = kzalloc(sizeof(*fence), GFP_KERNEL); - if (unlikely(fence == NULL)) + if (unlikely(!fence)) return -ENOMEM; ret = vmw_fence_obj_init(fman, fence, seqno, @@ -606,7 +606,7 @@ int vmw_user_fence_create(struct drm_file *file_priv, return ret; ufence = kzalloc(sizeof(*ufence), GFP_KERNEL); - if (unlikely(ufence == NULL)) { + if (unlikely(!ufence)) { ret = -ENOMEM; goto out_no_object; } @@ -966,7 +966,7 @@ int vmw_event_fence_action_queue(struct drm_file *file_priv, struct vmw_fence_manager *fman = fman_from_fence(fence); eaction = kzalloc(sizeof(*eaction), GFP_KERNEL); - if (unlikely(eaction == NULL)) + if (unlikely(!eaction)) return -ENOMEM; eaction->event = event; @@ -1002,7 +1002,7 @@ static int vmw_event_fence_action_create(struct drm_file *file_priv, int ret; event = kzalloc(sizeof(*event), GFP_KERNEL); - if (unlikely(event == NULL)) { + if (unlikely(!event)) { DRM_ERROR("Failed to allocate an event.\n"); ret = -ENOMEM; goto out_no_space; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c index c1900f4390a4..d2b03d4a3c86 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c @@ -121,7 +121,7 @@ static int vmw_gmrid_man_init(struct ttm_mem_type_manager *man, struct vmwgfx_gmrid_man *gman = kzalloc(sizeof(*gman), GFP_KERNEL); - if (unlikely(gman == NULL)) + if (unlikely(!gman)) return -ENOMEM; spin_lock_init(&gman->lock); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 620180df1303..36dd7930bf5f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -384,6 +384,12 @@ vmw_du_cursor_plane_atomic_update(struct drm_plane *plane, hotspot_x = du->hotspot_x; hotspot_y = du->hotspot_y; + + if (plane->fb) { + hotspot_x += plane->fb->hot_x; + hotspot_y += plane->fb->hot_y; + } + du->cursor_surface = vps->surf; du->cursor_dmabuf = vps->dmabuf; @@ -411,6 +417,9 @@ vmw_du_cursor_plane_atomic_update(struct drm_plane *plane, vmw_cursor_update_position(dev_priv, true, du->cursor_x + hotspot_x, du->cursor_y + hotspot_y); + + du->core_hotspot_x = hotspot_x - du->hotspot_x; + du->core_hotspot_y = hotspot_y - du->hotspot_y; } else { DRM_ERROR("Failed to update cursor image\n"); } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c index 941bcfd131ff..b17f08fc50d3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c @@ -320,14 +320,14 @@ int vmw_otables_setup(struct vmw_private *dev_priv) if (dev_priv->has_dx) { *otables = kmemdup(dx_tables, sizeof(dx_tables), GFP_KERNEL); - if (*otables == NULL) + if (!(*otables)) return -ENOMEM; dev_priv->otable_batch.num_otables = ARRAY_SIZE(dx_tables); } else { *otables = kmemdup(pre_dx_tables, sizeof(pre_dx_tables), GFP_KERNEL); - if (*otables == NULL) + if (!(*otables)) return -ENOMEM; dev_priv->otable_batch.num_otables = ARRAY_SIZE(pre_dx_tables); @@ -407,7 +407,7 @@ struct vmw_mob *vmw_mob_create(unsigned long data_pages) { struct vmw_mob *mob = kzalloc(sizeof(*mob), GFP_KERNEL); - if (unlikely(mob == NULL)) + if (unlikely(!mob)) return NULL; mob->num_pages = vmw_mob_calculate_pt_pages(data_pages); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c index 6063c9636d4a..97000996b8dc 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c @@ -244,7 +244,7 @@ static int vmw_recv_msg(struct rpc_channel *channel, void **msg, reply_len = ebx; reply = kzalloc(reply_len + 1, GFP_KERNEL); - if (reply == NULL) { + if (!reply) { DRM_ERROR("Cannot allocate memory for reply\n"); return -ENOMEM; } @@ -340,7 +340,7 @@ int vmw_host_get_guestinfo(const char *guest_info_param, msg_len = strlen(guest_info_param) + strlen("info-get ") + 1; msg = kzalloc(msg_len, GFP_KERNEL); - if (msg == NULL) { + if (!msg) { DRM_ERROR("Cannot allocate memory to get %s", guest_info_param); return -ENOMEM; } @@ -400,7 +400,7 @@ int vmw_host_log(const char *log) msg_len = strlen(log) + strlen("log ") + 1; msg = kzalloc(msg_len, GFP_KERNEL); - if (msg == NULL) { + if (!msg) { DRM_ERROR("Cannot allocate memory for log message\n"); return -ENOMEM; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 7d591f653dfa..a96f90f017d1 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -446,7 +446,7 @@ int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv, int ret; user_bo = kzalloc(sizeof(*user_bo), GFP_KERNEL); - if (unlikely(user_bo == NULL)) { + if (unlikely(!user_bo)) { DRM_ERROR("Failed to allocate a buffer.\n"); return -ENOMEM; } @@ -836,7 +836,7 @@ static int vmw_resource_buf_alloc(struct vmw_resource *res, } backup = kzalloc(sizeof(*backup), GFP_KERNEL); - if (unlikely(backup == NULL)) + if (unlikely(!backup)) return -ENOMEM; ret = vmw_dmabuf_init(res->dev_priv, backup, res->backup_size, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c index 68f135c5b0d8..9b832f136813 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c @@ -751,7 +751,7 @@ static int vmw_user_shader_alloc(struct vmw_private *dev_priv, } ushader = kzalloc(sizeof(*ushader), GFP_KERNEL); - if (unlikely(ushader == NULL)) { + if (unlikely(!ushader)) { ttm_mem_global_free(vmw_mem_glob(dev_priv), vmw_user_shader_size); ret = -ENOMEM; @@ -821,7 +821,7 @@ static struct vmw_resource *vmw_shader_alloc(struct vmw_private *dev_priv, } shader = kzalloc(sizeof(*shader), GFP_KERNEL); - if (unlikely(shader == NULL)) { + if (unlikely(!shader)) { ttm_mem_global_free(vmw_mem_glob(dev_priv), vmw_shader_size); ret = -ENOMEM; @@ -981,7 +981,7 @@ int vmw_compat_shader_add(struct vmw_private *dev_priv, /* Allocate and pin a DMA buffer */ buf = kzalloc(sizeof(*buf), GFP_KERNEL); - if (unlikely(buf == NULL)) + if (unlikely(!buf)) return -ENOMEM; ret = vmw_dmabuf_init(dev_priv, buf, size, &vmw_sys_ne_placement, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c index c4de4ad0543b..ca3afae2db1f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c @@ -1642,8 +1642,8 @@ int vmw_kms_stdu_init_display(struct vmw_private *dev_priv) * something arbitrarily large and we will reject any layout * that doesn't fit prim_bb_mem later */ - dev->mode_config.max_width = 16384; - dev->mode_config.max_height = 16384; + dev->mode_config.max_width = 8192; + dev->mode_config.max_height = 8192; } vmw_kms_create_implicit_placement_property(dev_priv, false); diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 2c58a390123a..778272514164 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -186,8 +186,13 @@ static int host1x_probe(struct platform_device *pdev) return -ENOMEM; err = iommu_attach_device(host->domain, &pdev->dev); - if (err) + if (err == -ENODEV) { + iommu_domain_free(host->domain); + host->domain = NULL; + goto skip_iommu; + } else if (err) { goto fail_free_domain; + } geometry = &host->domain->geometry; @@ -198,6 +203,7 @@ static int host1x_probe(struct platform_device *pdev) host->iova_end = geometry->aperture_end; } +skip_iommu: err = host1x_channel_list_init(&host->channel_list, host->info->nb_channels); if (err) { diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 6fd01a692197..9017dcc14502 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -2216,6 +2216,7 @@ static const struct hid_device_id hid_have_special_driver[] = { #if IS_ENABLED(CONFIG_HID_ORTEK) { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) }, { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, #endif #if IS_ENABLED(CONFIG_HID_PANTHERLORD) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 3d911bfd91cf..c9ba4c6db74c 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -824,6 +824,7 @@ #define USB_VENDOR_ID_ORTEK 0x05a4 #define USB_DEVICE_ID_ORTEK_PKB1700 0x1700 #define USB_DEVICE_ID_ORTEK_WKB2000 0x2000 +#define USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S 0x8003 #define USB_VENDOR_ID_PLANTRONICS 0x047f diff --git a/drivers/hid/hid-ortek.c b/drivers/hid/hid-ortek.c index 6620f15fec22..8783a064cdcf 100644 --- a/drivers/hid/hid-ortek.c +++ b/drivers/hid/hid-ortek.c @@ -5,6 +5,7 @@ * * Ortek PKB-1700 * Ortek WKB-2000 + * iHome IMAC-A210S * Skycable wireless presenter * * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> @@ -28,10 +29,10 @@ static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) { - hid_info(hdev, "Fixing up logical minimum in report descriptor (Ortek)\n"); + hid_info(hdev, "Fixing up logical maximum in report descriptor (Ortek)\n"); rdesc[55] = 0x92; } else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) { - hid_info(hdev, "Fixing up logical minimum in report descriptor (Skycable)\n"); + hid_info(hdev, "Fixing up logical maximum in report descriptor (Skycable)\n"); rdesc[53] = 0x65; } return rdesc; @@ -40,6 +41,7 @@ static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc, static const struct hid_device_id ortek_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) }, { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, { } }; diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 76013eb5cb7f..c008847e0b20 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -680,18 +680,21 @@ static int usbhid_open(struct hid_device *hid) struct usbhid_device *usbhid = hid->driver_data; int res; + set_bit(HID_OPENED, &usbhid->iofl); + if (hid->quirks & HID_QUIRK_ALWAYS_POLL) return 0; res = usb_autopm_get_interface(usbhid->intf); /* the device must be awake to reliably request remote wakeup */ - if (res < 0) + if (res < 0) { + clear_bit(HID_OPENED, &usbhid->iofl); return -EIO; + } usbhid->intf->needs_remote_wakeup = 1; set_bit(HID_RESUME_RUNNING, &usbhid->iofl); - set_bit(HID_OPENED, &usbhid->iofl); set_bit(HID_IN_POLLING, &usbhid->iofl); res = hid_start_in(hid); @@ -727,19 +730,20 @@ static void usbhid_close(struct hid_device *hid) { struct usbhid_device *usbhid = hid->driver_data; - if (hid->quirks & HID_QUIRK_ALWAYS_POLL) - return; - /* * Make sure we don't restart data acquisition due to * a resumption we no longer care about by avoiding racing * with hid_start_in(). */ spin_lock_irq(&usbhid->lock); - clear_bit(HID_IN_POLLING, &usbhid->iofl); clear_bit(HID_OPENED, &usbhid->iofl); + if (!(hid->quirks & HID_QUIRK_ALWAYS_POLL)) + clear_bit(HID_IN_POLLING, &usbhid->iofl); spin_unlock_irq(&usbhid->lock); + if (hid->quirks & HID_QUIRK_ALWAYS_POLL) + return; + hid_cancel_delayed_stuff(usbhid); usb_kill_urb(usbhid->urbin); usbhid->intf->needs_remote_wakeup = 0; diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 1006b230b236..65fa29591d21 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -983,7 +983,7 @@ config I2C_UNIPHIER_F config I2C_VERSATILE tristate "ARM Versatile/Realview I2C bus support" - depends on ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST + depends on ARCH_MPS2 || ARCH_VERSATILE || ARCH_REALVIEW || ARCH_VEXPRESS || COMPILE_TEST select I2C_ALGOBIT help Say yes if you want to support the I2C serial bus on ARMs Versatile diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 2ea6d0d25a01..143a8fd582b4 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -298,6 +298,9 @@ static int dw_i2c_plat_probe(struct platform_device *pdev) } acpi_speed = i2c_acpi_find_bus_speed(&pdev->dev); + /* Some broken DSTDs use 1MiHz instead of 1MHz */ + if (acpi_speed == 1048576) + acpi_speed = 1000000; /* * Find bus speed from the "clock-frequency" device property, ACPI * or by using fast mode if neither is set. @@ -319,7 +322,8 @@ static int dw_i2c_plat_probe(struct platform_device *pdev) if (dev->clk_freq != 100000 && dev->clk_freq != 400000 && dev->clk_freq != 1000000 && dev->clk_freq != 3400000) { dev_err(&pdev->dev, - "Only 100kHz, 400kHz, 1MHz and 3.4MHz supported"); + "%d Hz is unsupported, only 100kHz, 400kHz, 1MHz and 3.4MHz are supported\n", + dev->clk_freq); ret = -EINVAL; goto exit_reset; } diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c index 4842ec3a5451..a9126b3cda61 100644 --- a/drivers/i2c/i2c-core-acpi.c +++ b/drivers/i2c/i2c-core-acpi.c @@ -230,6 +230,16 @@ void i2c_acpi_register_devices(struct i2c_adapter *adap) dev_warn(&adap->dev, "failed to enumerate I2C slaves\n"); } +const struct acpi_device_id * +i2c_acpi_match_device(const struct acpi_device_id *matches, + struct i2c_client *client) +{ + if (!(client && matches)) + return NULL; + + return acpi_match_device(matches, &client->dev); +} + static acpi_status i2c_acpi_lookup_speed(acpi_handle handle, u32 level, void *data, void **return_value) { @@ -289,7 +299,7 @@ u32 i2c_acpi_find_bus_speed(struct device *dev) } EXPORT_SYMBOL_GPL(i2c_acpi_find_bus_speed); -static int i2c_acpi_match_adapter(struct device *dev, void *data) +static int i2c_acpi_find_match_adapter(struct device *dev, void *data) { struct i2c_adapter *adapter = i2c_verify_adapter(dev); @@ -299,7 +309,7 @@ static int i2c_acpi_match_adapter(struct device *dev, void *data) return ACPI_HANDLE(dev) == (acpi_handle)data; } -static int i2c_acpi_match_device(struct device *dev, void *data) +static int i2c_acpi_find_match_device(struct device *dev, void *data) { return ACPI_COMPANION(dev) == data; } @@ -309,7 +319,7 @@ static struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle) struct device *dev; dev = bus_find_device(&i2c_bus_type, NULL, handle, - i2c_acpi_match_adapter); + i2c_acpi_find_match_adapter); return dev ? i2c_verify_adapter(dev) : NULL; } @@ -317,7 +327,8 @@ static struct i2c_client *i2c_acpi_find_client_by_adev(struct acpi_device *adev) { struct device *dev; - dev = bus_find_device(&i2c_bus_type, NULL, adev, i2c_acpi_match_device); + dev = bus_find_device(&i2c_bus_type, NULL, adev, + i2c_acpi_find_match_device); return dev ? i2c_verify_client(dev) : NULL; } diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index c89dac7fd2e7..12822a4b8f8f 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -357,6 +357,7 @@ static int i2c_device_probe(struct device *dev) * Tree match table entry is supplied for the probing device. */ if (!driver->id_table && + !i2c_acpi_match_device(dev->driver->acpi_match_table, client) && !i2c_of_match_device(dev->driver->of_match_table, client)) return -ENODEV; diff --git a/drivers/i2c/i2c-core.h b/drivers/i2c/i2c-core.h index 3b63f5e5b89c..3d3d9bf02101 100644 --- a/drivers/i2c/i2c-core.h +++ b/drivers/i2c/i2c-core.h @@ -31,9 +31,18 @@ int i2c_check_addr_validity(unsigned addr, unsigned short flags); int i2c_check_7bit_addr_validity_strict(unsigned short addr); #ifdef CONFIG_ACPI +const struct acpi_device_id * +i2c_acpi_match_device(const struct acpi_device_id *matches, + struct i2c_client *client); void i2c_acpi_register_devices(struct i2c_adapter *adap); #else /* CONFIG_ACPI */ static inline void i2c_acpi_register_devices(struct i2c_adapter *adap) { } +static inline const struct acpi_device_id * +i2c_acpi_match_device(const struct acpi_device_id *matches, + struct i2c_client *client) +{ + return NULL; +} #endif /* CONFIG_ACPI */ extern struct notifier_block i2c_acpi_notifier; diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig index 2c64d0e0740f..17121329bb79 100644 --- a/drivers/i2c/muxes/Kconfig +++ b/drivers/i2c/muxes/Kconfig @@ -83,7 +83,7 @@ config I2C_MUX_PINCTRL different sets of pins at run-time. This driver can also be built as a module. If so, the module will be - called pinctrl-i2cmux. + called i2c-mux-pinctrl. config I2C_MUX_REG tristate "Register-based I2C multiplexer" diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c index 6b5d3be283c4..807299dd45eb 100644 --- a/drivers/iio/accel/bmc150-accel-core.c +++ b/drivers/iio/accel/bmc150-accel-core.c @@ -193,7 +193,6 @@ struct bmc150_accel_data { struct regmap *regmap; int irq; struct bmc150_accel_interrupt interrupts[BMC150_ACCEL_INTERRUPTS]; - atomic_t active_intr; struct bmc150_accel_trigger triggers[BMC150_ACCEL_TRIGGERS]; struct mutex mutex; u8 fifo_mode, watermark; @@ -493,11 +492,6 @@ static int bmc150_accel_set_interrupt(struct bmc150_accel_data *data, int i, goto out_fix_power_state; } - if (state) - atomic_inc(&data->active_intr); - else - atomic_dec(&data->active_intr); - return 0; out_fix_power_state: @@ -1710,8 +1704,7 @@ static int bmc150_accel_resume(struct device *dev) struct bmc150_accel_data *data = iio_priv(indio_dev); mutex_lock(&data->mutex); - if (atomic_read(&data->active_intr)) - bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_NORMAL, 0); + bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_NORMAL, 0); bmc150_accel_fifo_set_mode(data); mutex_unlock(&data->mutex); diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index 07d1489cd457..e44f62bf9caa 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -166,6 +166,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .mask_ihl = 0x02, .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, }, + .sim = { + .addr = 0x23, + .value = BIT(0), + }, .multi_read_bit = true, .bootime = 2, }, @@ -234,6 +238,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .mask_od = 0x40, .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, }, + .sim = { + .addr = 0x23, + .value = BIT(0), + }, .multi_read_bit = true, .bootime = 2, }, @@ -316,6 +324,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .en_mask = 0x08, }, }, + .sim = { + .addr = 0x24, + .value = BIT(0), + }, .multi_read_bit = false, .bootime = 2, }, @@ -379,6 +391,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .mask_int1 = 0x04, .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, }, + .sim = { + .addr = 0x21, + .value = BIT(1), + }, .multi_read_bit = true, .bootime = 2, /* guess */ }, @@ -437,6 +453,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .mask_od = 0x40, .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, }, + .sim = { + .addr = 0x21, + .value = BIT(7), + }, .multi_read_bit = false, .bootime = 2, /* guess */ }, @@ -499,6 +519,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .addr_ihl = 0x22, .mask_ihl = 0x80, }, + .sim = { + .addr = 0x23, + .value = BIT(0), + }, .multi_read_bit = true, .bootime = 2, }, @@ -547,6 +571,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .mask_int1 = 0x04, .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, }, + .sim = { + .addr = 0x21, + .value = BIT(1), + }, .multi_read_bit = false, .bootime = 2, }, @@ -614,6 +642,10 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .mask_ihl = 0x02, .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, }, + .sim = { + .addr = 0x23, + .value = BIT(0), + }, .multi_read_bit = true, .bootime = 2, }, diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c index e0ea411a0b2d..c02b23d675cb 100644 --- a/drivers/iio/adc/aspeed_adc.c +++ b/drivers/iio/adc/aspeed_adc.c @@ -22,6 +22,7 @@ #include <linux/iio/iio.h> #include <linux/iio/driver.h> +#include <linux/iopoll.h> #define ASPEED_RESOLUTION_BITS 10 #define ASPEED_CLOCKS_PER_SAMPLE 12 @@ -38,11 +39,17 @@ #define ASPEED_ENGINE_ENABLE BIT(0) +#define ASPEED_ADC_CTRL_INIT_RDY BIT(8) + +#define ASPEED_ADC_INIT_POLLING_TIME 500 +#define ASPEED_ADC_INIT_TIMEOUT 500000 + struct aspeed_adc_model_data { const char *model_name; unsigned int min_sampling_rate; // Hz unsigned int max_sampling_rate; // Hz unsigned int vref_voltage; // mV + bool wait_init_sequence; }; struct aspeed_adc_data { @@ -211,6 +218,24 @@ static int aspeed_adc_probe(struct platform_device *pdev) goto scaler_error; } + model_data = of_device_get_match_data(&pdev->dev); + + if (model_data->wait_init_sequence) { + /* Enable engine in normal mode. */ + writel(ASPEED_OPERATION_MODE_NORMAL | ASPEED_ENGINE_ENABLE, + data->base + ASPEED_REG_ENGINE_CONTROL); + + /* Wait for initial sequence complete. */ + ret = readl_poll_timeout(data->base + ASPEED_REG_ENGINE_CONTROL, + adc_engine_control_reg_val, + adc_engine_control_reg_val & + ASPEED_ADC_CTRL_INIT_RDY, + ASPEED_ADC_INIT_POLLING_TIME, + ASPEED_ADC_INIT_TIMEOUT); + if (ret) + goto scaler_error; + } + /* Start all channels in normal mode. */ ret = clk_prepare_enable(data->clk_scaler->clk); if (ret) @@ -274,6 +299,7 @@ static const struct aspeed_adc_model_data ast2500_model_data = { .vref_voltage = 1800, // mV .min_sampling_rate = 1, .max_sampling_rate = 1000000, + .wait_init_sequence = true, }; static const struct of_device_id aspeed_adc_matches[] = { diff --git a/drivers/iio/adc/axp288_adc.c b/drivers/iio/adc/axp288_adc.c index 64799ad7ebad..462a99c13e7a 100644 --- a/drivers/iio/adc/axp288_adc.c +++ b/drivers/iio/adc/axp288_adc.c @@ -28,6 +28,8 @@ #include <linux/iio/driver.h> #define AXP288_ADC_EN_MASK 0xF1 +#define AXP288_ADC_TS_PIN_GPADC 0xF2 +#define AXP288_ADC_TS_PIN_ON 0xF3 enum axp288_adc_id { AXP288_ADC_TS, @@ -121,6 +123,26 @@ static int axp288_adc_read_channel(int *val, unsigned long address, return IIO_VAL_INT; } +static int axp288_adc_set_ts(struct regmap *regmap, unsigned int mode, + unsigned long address) +{ + int ret; + + /* channels other than GPADC do not need to switch TS pin */ + if (address != AXP288_GP_ADC_H) + return 0; + + ret = regmap_write(regmap, AXP288_ADC_TS_PIN_CTRL, mode); + if (ret) + return ret; + + /* When switching to the GPADC pin give things some time to settle */ + if (mode == AXP288_ADC_TS_PIN_GPADC) + usleep_range(6000, 10000); + + return 0; +} + static int axp288_adc_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long mask) @@ -131,7 +153,16 @@ static int axp288_adc_read_raw(struct iio_dev *indio_dev, mutex_lock(&indio_dev->mlock); switch (mask) { case IIO_CHAN_INFO_RAW: + if (axp288_adc_set_ts(info->regmap, AXP288_ADC_TS_PIN_GPADC, + chan->address)) { + dev_err(&indio_dev->dev, "GPADC mode\n"); + ret = -EINVAL; + break; + } ret = axp288_adc_read_channel(val, chan->address, info->regmap); + if (axp288_adc_set_ts(info->regmap, AXP288_ADC_TS_PIN_ON, + chan->address)) + dev_err(&indio_dev->dev, "TS pin restore\n"); break; default: ret = -EINVAL; @@ -141,6 +172,15 @@ static int axp288_adc_read_raw(struct iio_dev *indio_dev, return ret; } +static int axp288_adc_set_state(struct regmap *regmap) +{ + /* ADC should be always enabled for internal FG to function */ + if (regmap_write(regmap, AXP288_ADC_TS_PIN_CTRL, AXP288_ADC_TS_PIN_ON)) + return -EIO; + + return regmap_write(regmap, AXP20X_ADC_EN1, AXP288_ADC_EN_MASK); +} + static const struct iio_info axp288_adc_iio_info = { .read_raw = &axp288_adc_read_raw, .driver_module = THIS_MODULE, @@ -169,7 +209,7 @@ static int axp288_adc_probe(struct platform_device *pdev) * Set ADC to enabled state at all time, including system suspend. * otherwise internal fuel gauge functionality may be affected. */ - ret = regmap_write(info->regmap, AXP20X_ADC_EN1, AXP288_ADC_EN_MASK); + ret = axp288_adc_set_state(axp20x->regmap); if (ret) { dev_err(&pdev->dev, "unable to enable ADC device\n"); return ret; diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c index 81d4c39e414a..137f577d9432 100644 --- a/drivers/iio/adc/sun4i-gpadc-iio.c +++ b/drivers/iio/adc/sun4i-gpadc-iio.c @@ -256,6 +256,7 @@ static int sun4i_gpadc_read(struct iio_dev *indio_dev, int channel, int *val, err: pm_runtime_put_autosuspend(indio_dev->dev.parent); + disable_irq(irq); mutex_unlock(&info->mutex); return ret; @@ -365,7 +366,6 @@ static irqreturn_t sun4i_gpadc_temp_data_irq_handler(int irq, void *dev_id) complete(&info->completion); out: - disable_irq_nosync(info->temp_data_irq); return IRQ_HANDLED; } @@ -380,7 +380,6 @@ static irqreturn_t sun4i_gpadc_fifo_data_irq_handler(int irq, void *dev_id) complete(&info->completion); out: - disable_irq_nosync(info->fifo_data_irq); return IRQ_HANDLED; } diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c index 01fc76f7d660..c168e0db329a 100644 --- a/drivers/iio/adc/vf610_adc.c +++ b/drivers/iio/adc/vf610_adc.c @@ -77,7 +77,7 @@ #define VF610_ADC_ADSTS_MASK 0x300 #define VF610_ADC_ADLPC_EN 0x80 #define VF610_ADC_ADHSC_EN 0x400 -#define VF610_ADC_REFSEL_VALT 0x100 +#define VF610_ADC_REFSEL_VALT 0x800 #define VF610_ADC_REFSEL_VBG 0x1000 #define VF610_ADC_ADTRG_HARD 0x2000 #define VF610_ADC_AVGS_8 0x4000 diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index 79c8c7cd70d5..6e6a1ecc99dd 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -550,6 +550,31 @@ out: } EXPORT_SYMBOL(st_sensors_read_info_raw); +static int st_sensors_init_interface_mode(struct iio_dev *indio_dev, + const struct st_sensor_settings *sensor_settings) +{ + struct st_sensor_data *sdata = iio_priv(indio_dev); + struct device_node *np = sdata->dev->of_node; + struct st_sensors_platform_data *pdata; + + pdata = (struct st_sensors_platform_data *)sdata->dev->platform_data; + if (((np && of_property_read_bool(np, "spi-3wire")) || + (pdata && pdata->spi_3wire)) && sensor_settings->sim.addr) { + int err; + + err = sdata->tf->write_byte(&sdata->tb, sdata->dev, + sensor_settings->sim.addr, + sensor_settings->sim.value); + if (err < 0) { + dev_err(&indio_dev->dev, + "failed to init interface mode\n"); + return err; + } + } + + return 0; +} + int st_sensors_check_device_support(struct iio_dev *indio_dev, int num_sensors_list, const struct st_sensor_settings *sensor_settings) @@ -574,6 +599,10 @@ int st_sensors_check_device_support(struct iio_dev *indio_dev, return -ENODEV; } + err = st_sensors_init_interface_mode(indio_dev, &sensor_settings[i]); + if (err < 0) + return err; + if (sensor_settings[i].wai_addr) { err = sdata->tf->read_byte(&sdata->tb, sdata->dev, sensor_settings[i].wai_addr, &wai); diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c index e7d4ea75e007..7599693f7fe9 100644 --- a/drivers/iio/light/tsl2563.c +++ b/drivers/iio/light/tsl2563.c @@ -626,7 +626,7 @@ static irqreturn_t tsl2563_event_handler(int irq, void *private) struct tsl2563_chip *chip = iio_priv(dev_info); iio_push_event(dev_info, - IIO_UNMOD_EVENT_CODE(IIO_LIGHT, + IIO_UNMOD_EVENT_CODE(IIO_INTENSITY, 0, IIO_EV_TYPE_THRESH, IIO_EV_DIR_EITHER), diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index aa61ec15c139..f1bce05ffa13 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -456,7 +456,7 @@ static const struct st_sensor_settings st_press_sensors_settings[] = { .mask_od = 0x40, .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, }, - .multi_read_bit = true, + .multi_read_bit = false, .bootime = 2, }, }; diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 01236cef7bfb..437522ca97b4 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -61,6 +61,7 @@ struct addr_req { void (*callback)(int status, struct sockaddr *src_addr, struct rdma_dev_addr *addr, void *context); unsigned long timeout; + struct delayed_work work; int status; u32 seq; }; @@ -295,7 +296,7 @@ int rdma_translate_ip(const struct sockaddr *addr, } EXPORT_SYMBOL(rdma_translate_ip); -static void set_timeout(unsigned long time) +static void set_timeout(struct delayed_work *delayed_work, unsigned long time) { unsigned long delay; @@ -303,7 +304,7 @@ static void set_timeout(unsigned long time) if ((long)delay < 0) delay = 0; - mod_delayed_work(addr_wq, &work, delay); + mod_delayed_work(addr_wq, delayed_work, delay); } static void queue_req(struct addr_req *req) @@ -318,8 +319,7 @@ static void queue_req(struct addr_req *req) list_add(&req->list, &temp_req->list); - if (req_list.next == &req->list) - set_timeout(req->timeout); + set_timeout(&req->work, req->timeout); mutex_unlock(&lock); } @@ -574,6 +574,37 @@ static int addr_resolve(struct sockaddr *src_in, return ret; } +static void process_one_req(struct work_struct *_work) +{ + struct addr_req *req; + struct sockaddr *src_in, *dst_in; + + mutex_lock(&lock); + req = container_of(_work, struct addr_req, work.work); + + if (req->status == -ENODATA) { + src_in = (struct sockaddr *)&req->src_addr; + dst_in = (struct sockaddr *)&req->dst_addr; + req->status = addr_resolve(src_in, dst_in, req->addr, + true, req->seq); + if (req->status && time_after_eq(jiffies, req->timeout)) { + req->status = -ETIMEDOUT; + } else if (req->status == -ENODATA) { + /* requeue the work for retrying again */ + set_timeout(&req->work, req->timeout); + mutex_unlock(&lock); + return; + } + } + list_del(&req->list); + mutex_unlock(&lock); + + req->callback(req->status, (struct sockaddr *)&req->src_addr, + req->addr, req->context); + put_client(req->client); + kfree(req); +} + static void process_req(struct work_struct *work) { struct addr_req *req, *temp_req; @@ -591,20 +622,23 @@ static void process_req(struct work_struct *work) true, req->seq); if (req->status && time_after_eq(jiffies, req->timeout)) req->status = -ETIMEDOUT; - else if (req->status == -ENODATA) + else if (req->status == -ENODATA) { + set_timeout(&req->work, req->timeout); continue; + } } list_move_tail(&req->list, &done_list); } - if (!list_empty(&req_list)) { - req = list_entry(req_list.next, struct addr_req, list); - set_timeout(req->timeout); - } mutex_unlock(&lock); list_for_each_entry_safe(req, temp_req, &done_list, list) { list_del(&req->list); + /* It is safe to cancel other work items from this work item + * because at a time there can be only one work item running + * with this single threaded work queue. + */ + cancel_delayed_work(&req->work); req->callback(req->status, (struct sockaddr *) &req->src_addr, req->addr, req->context); put_client(req->client); @@ -647,6 +681,7 @@ int rdma_resolve_ip(struct rdma_addr_client *client, req->context = context; req->client = client; atomic_inc(&client->refcount); + INIT_DELAYED_WORK(&req->work, process_one_req); req->seq = (u32)atomic_inc_return(&ib_nl_addr_request_seq); req->status = addr_resolve(src_in, dst_in, addr, true, req->seq); @@ -701,7 +736,7 @@ void rdma_addr_cancel(struct rdma_dev_addr *addr) req->status = -ECANCELED; req->timeout = jiffies; list_move(&req->list, &req_list); - set_timeout(req->timeout); + set_timeout(&req->work, req->timeout); break; } } @@ -807,9 +842,8 @@ static int netevent_callback(struct notifier_block *self, unsigned long event, if (event == NETEVENT_NEIGH_UPDATE) { struct neighbour *neigh = ctx; - if (neigh->nud_state & NUD_VALID) { - set_timeout(jiffies); - } + if (neigh->nud_state & NUD_VALID) + set_timeout(&work, jiffies); } return 0; } @@ -820,7 +854,7 @@ static struct notifier_block nb = { int addr_init(void) { - addr_wq = alloc_workqueue("ib_addr", WQ_MEM_RECLAIM, 0); + addr_wq = alloc_ordered_workqueue("ib_addr", WQ_MEM_RECLAIM); if (!addr_wq) return -ENOMEM; diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 2c98533a0203..c551d2b275fd 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -1153,7 +1153,7 @@ ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file, int out_len) { struct ib_uverbs_resize_cq cmd; - struct ib_uverbs_resize_cq_resp resp; + struct ib_uverbs_resize_cq_resp resp = {}; struct ib_udata udata; struct ib_cq *cq; int ret = -EINVAL; diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 3d2609608f58..c023e2c81b8f 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -250,6 +250,7 @@ void ib_uverbs_release_file(struct kref *ref) if (atomic_dec_and_test(&file->device->refcount)) ib_uverbs_comp_dev(file->device); + kobject_put(&file->device->kobj); kfree(file); } @@ -917,7 +918,6 @@ err: static int ib_uverbs_close(struct inode *inode, struct file *filp) { struct ib_uverbs_file *file = filp->private_data; - struct ib_uverbs_device *dev = file->device; mutex_lock(&file->cleanup_mutex); if (file->ucontext) { @@ -939,7 +939,6 @@ static int ib_uverbs_close(struct inode *inode, struct file *filp) ib_uverbs_release_async_event_file); kref_put(&file->ref, ib_uverbs_release_file); - kobject_put(&dev->kobj); return 0; } diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index fb98ed67d5bc..7f8fe443df46 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -895,7 +895,6 @@ static const struct { } qp_state_table[IB_QPS_ERR + 1][IB_QPS_ERR + 1] = { [IB_QPS_RESET] = { [IB_QPS_RESET] = { .valid = 1 }, - [IB_QPS_ERR] = { .valid = 1 }, [IB_QPS_INIT] = { .valid = 1, .req_param = { diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 23fad6d96944..2540b65e242c 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -733,7 +733,7 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev) continue; free_mr->mr_free_qp[i] = hns_roce_v1_create_lp_qp(hr_dev, pd); - if (IS_ERR(free_mr->mr_free_qp[i])) { + if (!free_mr->mr_free_qp[i]) { dev_err(dev, "Create loop qp failed!\n"); goto create_lp_qp_failed; } diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index ae0746754008..3d701c7a4c91 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -939,7 +939,7 @@ static int mlx5_ib_mr_initiator_pfault_handler( if (qp->ibqp.qp_type != IB_QPT_RC) { av = *wqe; - if (av->dqp_dct & be32_to_cpu(MLX5_WQE_AV_EXT)) + if (av->dqp_dct & cpu_to_be32(MLX5_EXTENDED_UD_AV)) *wqe += sizeof(struct mlx5_av); else *wqe += sizeof(struct mlx5_base_av); diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index ff50a7bd66d8..7ac25059c40f 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -336,6 +336,7 @@ struct ipoib_dev_priv { unsigned long flags; struct rw_semaphore vlan_rwsem; + struct mutex mcast_mutex; struct rb_root path_tree; struct list_head path_list; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index f87d104837dc..d69410c2ed97 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -511,7 +511,6 @@ static int ipoib_cm_rx_handler(struct ib_cm_id *cm_id, case IB_CM_REQ_RECEIVED: return ipoib_cm_req_handler(cm_id, event); case IB_CM_DREQ_RECEIVED: - p = cm_id->context; ib_send_cm_drep(cm_id, NULL, 0); /* Fall through */ case IB_CM_REJ_RECEIVED: diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c index 7871379342f4..184a22f48027 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c @@ -52,7 +52,8 @@ static const struct ipoib_stats ipoib_gstrings_stats[] = { IPOIB_NETDEV_STAT(tx_bytes), IPOIB_NETDEV_STAT(tx_errors), IPOIB_NETDEV_STAT(rx_dropped), - IPOIB_NETDEV_STAT(tx_dropped) + IPOIB_NETDEV_STAT(tx_dropped), + IPOIB_NETDEV_STAT(multicast), }; #define IPOIB_GLOBAL_STATS_LEN ARRAY_SIZE(ipoib_gstrings_stats) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 57a9655e844d..2e075377242e 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -256,6 +256,8 @@ static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc) ++dev->stats.rx_packets; dev->stats.rx_bytes += skb->len; + if (skb->pkt_type == PACKET_MULTICAST) + dev->stats.multicast++; skb->dev = dev; if ((dev->features & NETIF_F_RXCSUM) && @@ -709,6 +711,27 @@ static int recvs_pending(struct net_device *dev) return pending; } +static void check_qp_movement_and_print(struct ipoib_dev_priv *priv, + struct ib_qp *qp, + enum ib_qp_state new_state) +{ + struct ib_qp_attr qp_attr; + struct ib_qp_init_attr query_init_attr; + int ret; + + ret = ib_query_qp(qp, &qp_attr, IB_QP_STATE, &query_init_attr); + if (ret) { + ipoib_warn(priv, "%s: Failed to query QP\n", __func__); + return; + } + /* print according to the new-state and the previous state.*/ + if (new_state == IB_QPS_ERR && qp_attr.qp_state == IB_QPS_RESET) + ipoib_dbg(priv, "Failed modify QP, IB_QPS_RESET to IB_QPS_ERR, acceptable\n"); + else + ipoib_warn(priv, "Failed to modify QP to state: %d from state: %d\n", + new_state, qp_attr.qp_state); +} + int ipoib_ib_dev_stop_default(struct net_device *dev) { struct ipoib_dev_priv *priv = ipoib_priv(dev); @@ -728,7 +751,7 @@ int ipoib_ib_dev_stop_default(struct net_device *dev) */ qp_attr.qp_state = IB_QPS_ERR; if (ib_modify_qp(priv->qp, &qp_attr, IB_QP_STATE)) - ipoib_warn(priv, "Failed to modify QP to ERROR state\n"); + check_qp_movement_and_print(priv, priv->qp, IB_QPS_ERR); /* Wait for all sends and receives to complete */ begin = jiffies; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 4ce315c92b48..6c77df34869d 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1560,6 +1560,7 @@ static void ipoib_flush_neighs(struct ipoib_dev_priv *priv) int i, wait_flushed = 0; init_completion(&priv->ntbl.flushed); + set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags); spin_lock_irqsave(&priv->lock, flags); @@ -1604,7 +1605,6 @@ static void ipoib_neigh_hash_uninit(struct net_device *dev) ipoib_dbg(priv, "ipoib_neigh_hash_uninit\n"); init_completion(&priv->ntbl.deleted); - set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags); /* Stop GC if called at init fail need to cancel work */ stopped = test_and_set_bit(IPOIB_STOP_NEIGH_GC, &priv->flags); @@ -1847,6 +1847,7 @@ static const struct net_device_ops ipoib_netdev_ops_vf = { .ndo_tx_timeout = ipoib_timeout, .ndo_set_rx_mode = ipoib_set_mcast_list, .ndo_get_iflink = ipoib_get_iflink, + .ndo_get_stats64 = ipoib_get_stats, }; void ipoib_setup_common(struct net_device *dev) @@ -1877,6 +1878,7 @@ static void ipoib_build_priv(struct net_device *dev) priv->dev = dev; spin_lock_init(&priv->lock); init_rwsem(&priv->vlan_rwsem); + mutex_init(&priv->mcast_mutex); INIT_LIST_HEAD(&priv->path_list); INIT_LIST_HEAD(&priv->child_intfs); @@ -2173,14 +2175,14 @@ static struct net_device *ipoib_add_port(const char *format, priv->dev->dev_id = port - 1; result = ib_query_port(hca, port, &attr); - if (!result) - priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu); - else { + if (result) { printk(KERN_WARNING "%s: ib_query_port %d failed\n", hca->name, port); goto device_init_failed; } + priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu); + /* MTU will be reset when mcast join happens */ priv->dev->mtu = IPOIB_UD_MTU(priv->max_ib_mtu); priv->mcast_mtu = priv->admin_mtu = priv->dev->mtu; @@ -2211,12 +2213,14 @@ static struct net_device *ipoib_add_port(const char *format, printk(KERN_WARNING "%s: ib_query_gid port %d failed (ret = %d)\n", hca->name, port, result); goto device_init_failed; - } else - memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw, sizeof (union ib_gid)); + } + + memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw, + sizeof(union ib_gid)); set_bit(IPOIB_FLAG_DEV_ADDR_SET, &priv->flags); result = ipoib_dev_init(priv->dev, hca, port); - if (result < 0) { + if (result) { printk(KERN_WARNING "%s: failed to initialize port %d (ret = %d)\n", hca->name, port, result); goto device_init_failed; @@ -2365,6 +2369,7 @@ static int __init ipoib_init_module(void) ipoib_sendq_size = max3(ipoib_sendq_size, 2 * MAX_SEND_CQE, IPOIB_MIN_QUEUE_SIZE); #ifdef CONFIG_INFINIBAND_IPOIB_CM ipoib_max_conn_qp = min(ipoib_max_conn_qp, IPOIB_CM_MAX_CONN_QP); + ipoib_max_conn_qp = max(ipoib_max_conn_qp, 0); #endif /* diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 057f58e6afca..93e149efc1f5 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -684,15 +684,10 @@ void ipoib_mcast_start_thread(struct net_device *dev) int ipoib_mcast_stop_thread(struct net_device *dev) { struct ipoib_dev_priv *priv = ipoib_priv(dev); - unsigned long flags; ipoib_dbg_mcast(priv, "stopping multicast thread\n"); - spin_lock_irqsave(&priv->lock, flags); - cancel_delayed_work(&priv->mcast_task); - spin_unlock_irqrestore(&priv->lock, flags); - - flush_workqueue(priv->wq); + cancel_delayed_work_sync(&priv->mcast_task); return 0; } @@ -748,6 +743,14 @@ void ipoib_mcast_remove_list(struct list_head *remove_list) { struct ipoib_mcast *mcast, *tmcast; + /* + * make sure the in-flight joins have finished before we attempt + * to leave + */ + list_for_each_entry_safe(mcast, tmcast, remove_list, list) + if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags)) + wait_for_completion(&mcast->done); + list_for_each_entry_safe(mcast, tmcast, remove_list, list) { ipoib_mcast_leave(mcast->dev, mcast); ipoib_mcast_free(mcast); @@ -838,6 +841,7 @@ void ipoib_mcast_dev_flush(struct net_device *dev) struct ipoib_mcast *mcast, *tmcast; unsigned long flags; + mutex_lock(&priv->mcast_mutex); ipoib_dbg_mcast(priv, "flushing multicast list\n"); spin_lock_irqsave(&priv->lock, flags); @@ -856,15 +860,8 @@ void ipoib_mcast_dev_flush(struct net_device *dev) spin_unlock_irqrestore(&priv->lock, flags); - /* - * make sure the in-flight joins have finished before we attempt - * to leave - */ - list_for_each_entry_safe(mcast, tmcast, &remove_list, list) - if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags)) - wait_for_completion(&mcast->done); - ipoib_mcast_remove_list(&remove_list); + mutex_unlock(&priv->mcast_mutex); } static int ipoib_mcast_addr_is_valid(const u8 *addr, const u8 *broadcast) @@ -982,14 +979,6 @@ void ipoib_mcast_restart_task(struct work_struct *work) netif_addr_unlock(dev); local_irq_restore(flags); - /* - * make sure the in-flight joins have finished before we attempt - * to leave - */ - list_for_each_entry_safe(mcast, tmcast, &remove_list, list) - if (test_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags)) - wait_for_completion(&mcast->done); - ipoib_mcast_remove_list(&remove_list); /* diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 688e77576e5a..354cbd6392cd 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -4452,6 +4452,7 @@ static int amd_ir_set_vcpu_affinity(struct irq_data *data, void *vcpu_info) /* Setting */ irte->hi.fields.ga_root_ptr = (pi_data->base >> 12); irte->hi.fields.vector = vcpu_pi_info->vector; + irte->lo.fields_vapic.ga_log_intr = 1; irte->lo.fields_vapic.guest_mode = 1; irte->lo.fields_vapic.ga_tag = pi_data->ga_tag; diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 5cc597b383c7..372303700566 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -2440,11 +2440,11 @@ static int __init state_next(void) break; case IOMMU_ACPI_FINISHED: early_enable_iommus(); - register_syscore_ops(&amd_iommu_syscore_ops); x86_platform.iommu_shutdown = disable_iommus; init_state = IOMMU_ENABLED; break; case IOMMU_ENABLED: + register_syscore_ops(&amd_iommu_syscore_ops); ret = amd_iommu_init_pci(); init_state = ret ? IOMMU_INIT_ERROR : IOMMU_PCI_INIT; enable_iommus_v2(); diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index bc89b4d6c043..2d80fa8a0634 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -400,6 +400,8 @@ struct arm_smmu_device { u32 cavium_id_base; /* Specific to Cavium */ + spinlock_t global_sync_lock; + /* IOMMU core code handle */ struct iommu_device iommu; }; @@ -436,7 +438,7 @@ struct arm_smmu_domain { struct arm_smmu_cfg cfg; enum arm_smmu_domain_stage stage; struct mutex init_mutex; /* Protects smmu pointer */ - spinlock_t cb_lock; /* Serialises ATS1* ops */ + spinlock_t cb_lock; /* Serialises ATS1* ops and TLB syncs */ struct iommu_domain domain; }; @@ -602,9 +604,12 @@ static void __arm_smmu_tlb_sync(struct arm_smmu_device *smmu, static void arm_smmu_tlb_sync_global(struct arm_smmu_device *smmu) { void __iomem *base = ARM_SMMU_GR0(smmu); + unsigned long flags; + spin_lock_irqsave(&smmu->global_sync_lock, flags); __arm_smmu_tlb_sync(smmu, base + ARM_SMMU_GR0_sTLBGSYNC, base + ARM_SMMU_GR0_sTLBGSTATUS); + spin_unlock_irqrestore(&smmu->global_sync_lock, flags); } static void arm_smmu_tlb_sync_context(void *cookie) @@ -612,9 +617,12 @@ static void arm_smmu_tlb_sync_context(void *cookie) struct arm_smmu_domain *smmu_domain = cookie; struct arm_smmu_device *smmu = smmu_domain->smmu; void __iomem *base = ARM_SMMU_CB(smmu, smmu_domain->cfg.cbndx); + unsigned long flags; + spin_lock_irqsave(&smmu_domain->cb_lock, flags); __arm_smmu_tlb_sync(smmu, base + ARM_SMMU_CB_TLBSYNC, base + ARM_SMMU_CB_TLBSTATUS); + spin_unlock_irqrestore(&smmu_domain->cb_lock, flags); } static void arm_smmu_tlb_sync_vmid(void *cookie) @@ -1511,6 +1519,12 @@ static int arm_smmu_add_device(struct device *dev) if (using_legacy_binding) { ret = arm_smmu_register_legacy_master(dev, &smmu); + + /* + * If dev->iommu_fwspec is initally NULL, arm_smmu_register_legacy_master() + * will allocate/initialise a new one. Thus we need to update fwspec for + * later use. + */ fwspec = dev->iommu_fwspec; if (ret) goto out_free; @@ -1550,15 +1564,15 @@ static int arm_smmu_add_device(struct device *dev) ret = arm_smmu_master_alloc_smes(dev); if (ret) - goto out_free; + goto out_cfg_free; iommu_device_link(&smmu->iommu, dev); return 0; +out_cfg_free: + kfree(cfg); out_free: - if (fwspec) - kfree(fwspec->iommu_priv); iommu_fwspec_free(dev); return ret; } @@ -1925,6 +1939,7 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) smmu->num_mapping_groups = size; mutex_init(&smmu->stream_map_mutex); + spin_lock_init(&smmu->global_sync_lock); if (smmu->version < ARM_SMMU_V2 || !(id & ID0_PTFS_NO_AARCH32)) { smmu->features |= ARM_SMMU_FEAT_FMT_AARCH32_L; diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index af330f513653..d665d0dc16e8 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -479,6 +479,9 @@ static int arm_v7s_map(struct io_pgtable_ops *ops, unsigned long iova, if (!(prot & (IOMMU_READ | IOMMU_WRITE))) return 0; + if (WARN_ON(upper_32_bits(iova) || upper_32_bits(paddr))) + return -ERANGE; + ret = __arm_v7s_map(data, iova, paddr, size, prot, 1, data->pgd); /* * Synchronise all PTE updates for the new mapping before there's @@ -659,6 +662,9 @@ static int arm_v7s_unmap(struct io_pgtable_ops *ops, unsigned long iova, struct arm_v7s_io_pgtable *data = io_pgtable_ops_to_data(ops); size_t unmapped; + if (WARN_ON(upper_32_bits(iova))) + return 0; + unmapped = __arm_v7s_unmap(data, iova, size, 1, data->pgd); if (unmapped) io_pgtable_tlb_sync(&data->iop); diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index b182039862c5..e8018a308868 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -452,6 +452,10 @@ static int arm_lpae_map(struct io_pgtable_ops *ops, unsigned long iova, if (!(iommu_prot & (IOMMU_READ | IOMMU_WRITE))) return 0; + if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias) || + paddr >= (1ULL << data->iop.cfg.oas))) + return -ERANGE; + prot = arm_lpae_prot_to_pte(data, iommu_prot); ret = __arm_lpae_map(data, iova, paddr, size, prot, lvl, ptep); /* @@ -610,6 +614,9 @@ static int arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova, arm_lpae_iopte *ptep = data->pgd; int lvl = ARM_LPAE_START_LVL(data); + if (WARN_ON(iova >= (1ULL << data->iop.cfg.ias))) + return 0; + unmapped = __arm_lpae_unmap(data, iova, size, lvl, ptep); if (unmapped) io_pgtable_tlb_sync(&data->iop); diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h index 524263a7ae6f..a3e667077b14 100644 --- a/drivers/iommu/io-pgtable.h +++ b/drivers/iommu/io-pgtable.h @@ -158,14 +158,12 @@ void free_io_pgtable_ops(struct io_pgtable_ops *ops); * @fmt: The page table format. * @cookie: An opaque token provided by the IOMMU driver and passed back to * any callback routines. - * @tlb_sync_pending: Private flag for optimising out redundant syncs. * @cfg: A copy of the page table configuration. * @ops: The page table operations in use for this set of page tables. */ struct io_pgtable { enum io_pgtable_fmt fmt; void *cookie; - bool tlb_sync_pending; struct io_pgtable_cfg cfg; struct io_pgtable_ops ops; }; @@ -175,22 +173,17 @@ struct io_pgtable { static inline void io_pgtable_tlb_flush_all(struct io_pgtable *iop) { iop->cfg.tlb->tlb_flush_all(iop->cookie); - iop->tlb_sync_pending = true; } static inline void io_pgtable_tlb_add_flush(struct io_pgtable *iop, unsigned long iova, size_t size, size_t granule, bool leaf) { iop->cfg.tlb->tlb_add_flush(iova, size, granule, leaf, iop->cookie); - iop->tlb_sync_pending = true; } static inline void io_pgtable_tlb_sync(struct io_pgtable *iop) { - if (iop->tlb_sync_pending) { - iop->cfg.tlb->tlb_sync(iop->cookie); - iop->tlb_sync_pending = false; - } + iop->cfg.tlb->tlb_sync(iop->cookie); } /** diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 5d14cd15198d..91c6d367ab35 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -129,6 +129,7 @@ static void mtk_iommu_tlb_add_flush_nosync(unsigned long iova, size_t size, writel_relaxed(iova, data->base + REG_MMU_INVLD_START_A); writel_relaxed(iova + size - 1, data->base + REG_MMU_INVLD_END_A); writel_relaxed(F_MMU_INV_RANGE, data->base + REG_MMU_INVALIDATE); + data->tlb_flush_active = true; } static void mtk_iommu_tlb_sync(void *cookie) @@ -137,6 +138,10 @@ static void mtk_iommu_tlb_sync(void *cookie) int ret; u32 tmp; + /* Avoid timing out if there's nothing to wait for */ + if (!data->tlb_flush_active) + return; + ret = readl_poll_timeout_atomic(data->base + REG_MMU_CPE_DONE, tmp, tmp != 0, 10, 100000); if (ret) { @@ -146,6 +151,7 @@ static void mtk_iommu_tlb_sync(void *cookie) } /* Clear the CPE status */ writel_relaxed(0, data->base + REG_MMU_CPE_DONE); + data->tlb_flush_active = false; } static const struct iommu_gather_ops mtk_iommu_gather_ops = { diff --git a/drivers/iommu/mtk_iommu.h b/drivers/iommu/mtk_iommu.h index 2a28eadeea0e..c06cc91b5d9a 100644 --- a/drivers/iommu/mtk_iommu.h +++ b/drivers/iommu/mtk_iommu.h @@ -47,6 +47,7 @@ struct mtk_iommu_data { struct iommu_group *m4u_group; struct mtk_smi_iommu smi_imu; /* SMI larb iommu info */ bool enable_4GB; + bool tlb_flush_active; struct iommu_device iommu; }; diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c index 7b5fd8fb1761..aaca0b3d662e 100644 --- a/drivers/isdn/hysdn/hysdn_proclog.c +++ b/drivers/isdn/hysdn/hysdn_proclog.c @@ -44,7 +44,6 @@ struct procdata { char log_name[15]; /* log filename */ struct log_data *log_head, *log_tail; /* head and tail for queue */ int if_used; /* open count for interface */ - int volatile del_lock; /* lock for delete operations */ unsigned char logtmp[LOG_MAX_LINELEN]; wait_queue_head_t rd_queue; }; @@ -102,7 +101,6 @@ put_log_buffer(hysdn_card *card, char *cp) { struct log_data *ib; struct procdata *pd = card->proclog; - int i; unsigned long flags; if (!pd) @@ -126,21 +124,21 @@ put_log_buffer(hysdn_card *card, char *cp) else pd->log_tail->next = ib; /* follows existing messages */ pd->log_tail = ib; /* new tail */ - i = pd->del_lock++; /* get lock state */ - spin_unlock_irqrestore(&card->hysdn_lock, flags); /* delete old entrys */ - if (!i) - while (pd->log_head->next) { - if ((pd->log_head->usage_cnt <= 0) && - (pd->log_head->next->usage_cnt <= 0)) { - ib = pd->log_head; - pd->log_head = pd->log_head->next; - kfree(ib); - } else - break; - } /* pd->log_head->next */ - pd->del_lock--; /* release lock level */ + while (pd->log_head->next) { + if ((pd->log_head->usage_cnt <= 0) && + (pd->log_head->next->usage_cnt <= 0)) { + ib = pd->log_head; + pd->log_head = pd->log_head->next; + kfree(ib); + } else { + break; + } + } /* pd->log_head->next */ + + spin_unlock_irqrestore(&card->hysdn_lock, flags); + wake_up_interruptible(&(pd->rd_queue)); /* announce new entry */ } /* put_log_buffer */ diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c index 89b09c51ab7c..38a5bb764c7b 100644 --- a/drivers/isdn/i4l/isdn_common.c +++ b/drivers/isdn/i4l/isdn_common.c @@ -1376,6 +1376,7 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) if (arg) { if (copy_from_user(bname, argp, sizeof(bname) - 1)) return -EFAULT; + bname[sizeof(bname)-1] = 0; } else return -EINVAL; ret = mutex_lock_interruptible(&dev->mtx); diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c index c151c6daa67e..f63a110b7bcb 100644 --- a/drivers/isdn/i4l/isdn_net.c +++ b/drivers/isdn/i4l/isdn_net.c @@ -2611,10 +2611,9 @@ isdn_net_newslave(char *parm) char newname[10]; if (p) { - /* Slave-Name MUST not be empty */ - if (!strlen(p + 1)) + /* Slave-Name MUST not be empty or overflow 'newname' */ + if (strscpy(newname, p + 1, sizeof(newname)) <= 0) return NULL; - strcpy(newname, p + 1); *p = 0; /* Master must already exist */ if (!(n = isdn_net_findif(parm))) diff --git a/drivers/lightnvm/pblk-rb.c b/drivers/lightnvm/pblk-rb.c index 5ecc154f6831..9bc32578a766 100644 --- a/drivers/lightnvm/pblk-rb.c +++ b/drivers/lightnvm/pblk-rb.c @@ -657,7 +657,7 @@ try: * be directed to disk. */ int pblk_rb_copy_to_bio(struct pblk_rb *rb, struct bio *bio, sector_t lba, - struct ppa_addr ppa, int bio_iter) + struct ppa_addr ppa, int bio_iter, bool advanced_bio) { struct pblk *pblk = container_of(rb, struct pblk, rwb); struct pblk_rb_entry *entry; @@ -694,7 +694,7 @@ int pblk_rb_copy_to_bio(struct pblk_rb *rb, struct bio *bio, sector_t lba, * filled with data from the cache). If part of the data resides on the * media, we will read later on */ - if (unlikely(!bio->bi_iter.bi_idx)) + if (unlikely(!advanced_bio)) bio_advance(bio, bio_iter * PBLK_EXPOSED_PAGE_SIZE); data = bio_data(bio); diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c index 4e5c48f3de62..d682e89e6493 100644 --- a/drivers/lightnvm/pblk-read.c +++ b/drivers/lightnvm/pblk-read.c @@ -26,7 +26,7 @@ */ static int pblk_read_from_cache(struct pblk *pblk, struct bio *bio, sector_t lba, struct ppa_addr ppa, - int bio_iter) + int bio_iter, bool advanced_bio) { #ifdef CONFIG_NVM_DEBUG /* Callers must ensure that the ppa points to a cache address */ @@ -34,7 +34,8 @@ static int pblk_read_from_cache(struct pblk *pblk, struct bio *bio, BUG_ON(!pblk_addr_in_cache(ppa)); #endif - return pblk_rb_copy_to_bio(&pblk->rwb, bio, lba, ppa, bio_iter); + return pblk_rb_copy_to_bio(&pblk->rwb, bio, lba, ppa, + bio_iter, advanced_bio); } static void pblk_read_ppalist_rq(struct pblk *pblk, struct nvm_rq *rqd, @@ -44,7 +45,7 @@ static void pblk_read_ppalist_rq(struct pblk *pblk, struct nvm_rq *rqd, struct ppa_addr ppas[PBLK_MAX_REQ_ADDRS]; sector_t blba = pblk_get_lba(bio); int nr_secs = rqd->nr_ppas; - int advanced_bio = 0; + bool advanced_bio = false; int i, j = 0; /* logic error: lba out-of-bounds. Ignore read request */ @@ -62,19 +63,26 @@ static void pblk_read_ppalist_rq(struct pblk *pblk, struct nvm_rq *rqd, retry: if (pblk_ppa_empty(p)) { WARN_ON(test_and_set_bit(i, read_bitmap)); - continue; + + if (unlikely(!advanced_bio)) { + bio_advance(bio, (i) * PBLK_EXPOSED_PAGE_SIZE); + advanced_bio = true; + } + + goto next; } /* Try to read from write buffer. The address is later checked * on the write buffer to prevent retrieving overwritten data. */ if (pblk_addr_in_cache(p)) { - if (!pblk_read_from_cache(pblk, bio, lba, p, i)) { + if (!pblk_read_from_cache(pblk, bio, lba, p, i, + advanced_bio)) { pblk_lookup_l2p_seq(pblk, &p, lba, 1); goto retry; } WARN_ON(test_and_set_bit(i, read_bitmap)); - advanced_bio = 1; + advanced_bio = true; #ifdef CONFIG_NVM_DEBUG atomic_long_inc(&pblk->cache_reads); #endif @@ -83,6 +91,7 @@ retry: rqd->ppa_list[j++] = p; } +next: if (advanced_bio) bio_advance(bio, PBLK_EXPOSED_PAGE_SIZE); } @@ -282,7 +291,7 @@ retry: * write buffer to prevent retrieving overwritten data. */ if (pblk_addr_in_cache(ppa)) { - if (!pblk_read_from_cache(pblk, bio, lba, ppa, 0)) { + if (!pblk_read_from_cache(pblk, bio, lba, ppa, 0, 1)) { pblk_lookup_l2p_seq(pblk, &ppa, lba, 1); goto retry; } diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h index 0c5692cc2f60..67e623bd5c2d 100644 --- a/drivers/lightnvm/pblk.h +++ b/drivers/lightnvm/pblk.h @@ -670,7 +670,7 @@ unsigned int pblk_rb_read_to_bio_list(struct pblk_rb *rb, struct bio *bio, struct list_head *list, unsigned int max); int pblk_rb_copy_to_bio(struct pblk_rb *rb, struct bio *bio, sector_t lba, - struct ppa_addr ppa, int bio_iter); + struct ppa_addr ppa, int bio_iter, bool advanced_bio); unsigned int pblk_rb_read_commit(struct pblk_rb *rb, unsigned int entries); unsigned int pblk_rb_sync_init(struct pblk_rb *rb, unsigned long *flags); diff --git a/drivers/mailbox/pcc.c b/drivers/mailbox/pcc.c index ac91fd0d62c6..cbca5e51b975 100644 --- a/drivers/mailbox/pcc.c +++ b/drivers/mailbox/pcc.c @@ -92,7 +92,7 @@ static struct mbox_controller pcc_mbox_ctrl = {}; */ static struct mbox_chan *get_pcc_channel(int id) { - if (id < 0 || id > pcc_mbox_ctrl.num_chans) + if (id < 0 || id >= pcc_mbox_ctrl.num_chans) return ERR_PTR(-ENOENT); return &pcc_mbox_channels[id]; diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 850ff6c67994..44f4a8ac95bd 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -1258,8 +1258,7 @@ EXPORT_SYMBOL_GPL(dm_bufio_write_dirty_buffers_async); */ int dm_bufio_write_dirty_buffers(struct dm_bufio_client *c) { - blk_status_t a; - int f; + int a, f; unsigned long buffers_processed = 0; struct dm_buffer *b, *tmp; diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 1b224aa9cf15..3acce09bba35 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -1587,16 +1587,18 @@ retry: if (likely(ic->mode == 'J')) { if (dio->write) { unsigned next_entry, i, pos; - unsigned ws, we; + unsigned ws, we, range_sectors; - dio->range.n_sectors = min(dio->range.n_sectors, ic->free_sectors); + dio->range.n_sectors = min(dio->range.n_sectors, + ic->free_sectors << ic->sb->log2_sectors_per_block); if (unlikely(!dio->range.n_sectors)) goto sleep; - ic->free_sectors -= dio->range.n_sectors; + range_sectors = dio->range.n_sectors >> ic->sb->log2_sectors_per_block; + ic->free_sectors -= range_sectors; journal_section = ic->free_section; journal_entry = ic->free_section_entry; - next_entry = ic->free_section_entry + dio->range.n_sectors; + next_entry = ic->free_section_entry + range_sectors; ic->free_section_entry = next_entry % ic->journal_section_entries; ic->free_section += next_entry / ic->journal_section_entries; ic->n_uncommitted_sections += next_entry / ic->journal_section_entries; @@ -1727,6 +1729,8 @@ static void pad_uncommitted(struct dm_integrity_c *ic) wraparound_section(ic, &ic->free_section); ic->n_uncommitted_sections++; } + WARN_ON(ic->journal_sections * ic->journal_section_entries != + (ic->n_uncommitted_sections + ic->n_committed_sections) * ic->journal_section_entries + ic->free_sectors); } static void integrity_commit(struct work_struct *w) @@ -1821,6 +1825,9 @@ static void do_journal_write(struct dm_integrity_c *ic, unsigned write_start, { unsigned i, j, n; struct journal_completion comp; + struct blk_plug plug; + + blk_start_plug(&plug); comp.ic = ic; comp.in_flight = (atomic_t)ATOMIC_INIT(1); @@ -1945,6 +1952,8 @@ skip_io: dm_bufio_write_dirty_buffers_async(ic->bufio); + blk_finish_plug(&plug); + complete_journal_op(&comp); wait_for_completion_io(&comp.comp); @@ -3019,6 +3028,11 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv) ti->error = "Block size doesn't match the information in superblock"; goto bad; } + if (!le32_to_cpu(ic->sb->journal_sections)) { + r = -EINVAL; + ti->error = "Corrupted superblock, journal_sections is 0"; + goto bad; + } /* make sure that ti->max_io_len doesn't overflow */ if (ic->sb->log2_interleave_sectors < MIN_LOG2_INTERLEAVE_SECTORS || ic->sb->log2_interleave_sectors > MAX_LOG2_INTERLEAVE_SECTORS) { diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 2e10c2f13a34..5bfe285ea9d1 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -208,6 +208,7 @@ struct raid_dev { #define RT_FLAG_RS_BITMAP_LOADED 2 #define RT_FLAG_UPDATE_SBS 3 #define RT_FLAG_RESHAPE_RS 4 +#define RT_FLAG_RS_SUSPENDED 5 /* Array elements of 64 bit needed for rebuild/failed disk bits */ #define DISKS_ARRAY_ELEMS ((MAX_RAID_DEVICES + (sizeof(uint64_t) * 8 - 1)) / sizeof(uint64_t) / 8) @@ -564,9 +565,10 @@ static const char *raid10_md_layout_to_format(int layout) if (__raid10_near_copies(layout) > 1) return "near"; - WARN_ON(__raid10_far_copies(layout) < 2); + if (__raid10_far_copies(layout) > 1) + return "far"; - return "far"; + return "unknown"; } /* Return md raid10 algorithm for @name */ @@ -2540,11 +2542,6 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs) if (!freshest) return 0; - if (validate_raid_redundancy(rs)) { - rs->ti->error = "Insufficient redundancy to activate array"; - return -EINVAL; - } - /* * Validation of the freshest device provides the source of * validation for the remaining devices. @@ -2553,6 +2550,11 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs) if (super_validate(rs, freshest)) return -EINVAL; + if (validate_raid_redundancy(rs)) { + rs->ti->error = "Insufficient redundancy to activate array"; + return -EINVAL; + } + rdev_for_each(rdev, mddev) if (!test_bit(Journal, &rdev->flags) && rdev != freshest && @@ -3168,6 +3170,7 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv) } mddev_suspend(&rs->md); + set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags); /* Try to adjust the raid4/5/6 stripe cache size to the stripe size */ if (rs_is_raid456(rs)) { @@ -3625,7 +3628,7 @@ static void raid_postsuspend(struct dm_target *ti) { struct raid_set *rs = ti->private; - if (!rs->md.suspended) + if (!test_and_set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags)) mddev_suspend(&rs->md); rs->md.ro = 1; @@ -3759,7 +3762,7 @@ static int rs_start_reshape(struct raid_set *rs) return r; /* Need to be resumed to be able to start reshape, recovery is frozen until raid_resume() though */ - if (mddev->suspended) + if (test_and_clear_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags)) mddev_resume(mddev); /* @@ -3786,8 +3789,8 @@ static int rs_start_reshape(struct raid_set *rs) } /* Suspend because a resume will happen in raid_resume() */ - if (!mddev->suspended) - mddev_suspend(mddev); + set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags); + mddev_suspend(mddev); /* * Now reshape got set up, update superblocks to @@ -3883,13 +3886,13 @@ static void raid_resume(struct dm_target *ti) if (!(rs->ctr_flags & RESUME_STAY_FROZEN_FLAGS)) clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); - if (mddev->suspended) + if (test_and_clear_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags)) mddev_resume(mddev); } static struct target_type raid_target = { .name = "raid", - .version = {1, 11, 1}, + .version = {1, 12, 1}, .module = THIS_MODULE, .ctr = raid_ctr, .dtr = raid_dtr, diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index a39bcd9b982a..28a4071cdf85 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -20,6 +20,7 @@ #include <linux/atomic.h> #include <linux/blk-mq.h> #include <linux/mount.h> +#include <linux/dax.h> #define DM_MSG_PREFIX "table" @@ -1630,6 +1631,37 @@ static bool dm_table_supports_flush(struct dm_table *t, unsigned long flush) return false; } +static int device_dax_write_cache_enabled(struct dm_target *ti, + struct dm_dev *dev, sector_t start, + sector_t len, void *data) +{ + struct dax_device *dax_dev = dev->dax_dev; + + if (!dax_dev) + return false; + + if (dax_write_cache_enabled(dax_dev)) + return true; + return false; +} + +static int dm_table_supports_dax_write_cache(struct dm_table *t) +{ + struct dm_target *ti; + unsigned i; + + for (i = 0; i < dm_table_get_num_targets(t); i++) { + ti = dm_table_get_target(t, i); + + if (ti->type->iterate_devices && + ti->type->iterate_devices(ti, + device_dax_write_cache_enabled, NULL)) + return true; + } + + return false; +} + static int device_is_nonrot(struct dm_target *ti, struct dm_dev *dev, sector_t start, sector_t len, void *data) { @@ -1785,6 +1817,9 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, } blk_queue_write_cache(q, wc, fua); + if (dm_table_supports_dax_write_cache(t)) + dax_write_cache(t->md->dax_dev, true); + /* Ensure that all underlying devices are non-rotational. */ if (dm_table_all_devices_attribute(t, device_is_nonrot)) queue_flag_set_unlocked(QUEUE_FLAG_NONROT, q); diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c index 504ba3fa328b..e13f90832b6b 100644 --- a/drivers/md/dm-verity-fec.c +++ b/drivers/md/dm-verity-fec.c @@ -308,19 +308,14 @@ static int fec_alloc_bufs(struct dm_verity *v, struct dm_verity_fec_io *fio) { unsigned n; - if (!fio->rs) { - fio->rs = mempool_alloc(v->fec->rs_pool, 0); - if (unlikely(!fio->rs)) { - DMERR("failed to allocate RS"); - return -ENOMEM; - } - } + if (!fio->rs) + fio->rs = mempool_alloc(v->fec->rs_pool, GFP_NOIO); fec_for_each_prealloc_buffer(n) { if (fio->bufs[n]) continue; - fio->bufs[n] = mempool_alloc(v->fec->prealloc_pool, GFP_NOIO); + fio->bufs[n] = mempool_alloc(v->fec->prealloc_pool, GFP_NOWAIT); if (unlikely(!fio->bufs[n])) { DMERR("failed to allocate FEC buffer"); return -ENOMEM; @@ -332,22 +327,16 @@ static int fec_alloc_bufs(struct dm_verity *v, struct dm_verity_fec_io *fio) if (fio->bufs[n]) continue; - fio->bufs[n] = mempool_alloc(v->fec->extra_pool, GFP_NOIO); + fio->bufs[n] = mempool_alloc(v->fec->extra_pool, GFP_NOWAIT); /* we can manage with even one buffer if necessary */ if (unlikely(!fio->bufs[n])) break; } fio->nbufs = n; - if (!fio->output) { + if (!fio->output) fio->output = mempool_alloc(v->fec->output_pool, GFP_NOIO); - if (!fio->output) { - DMERR("failed to allocate FEC page"); - return -ENOMEM; - } - } - return 0; } diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c index 884ff7c170a0..a4fa2ada6883 100644 --- a/drivers/md/dm-zoned-metadata.c +++ b/drivers/md/dm-zoned-metadata.c @@ -624,7 +624,7 @@ static int dmz_write_sb(struct dmz_metadata *zmd, unsigned int set) ret = dmz_rdwr_block(zmd, REQ_OP_WRITE, block, mblk->page); if (ret == 0) - ret = blkdev_issue_flush(zmd->dev->bdev, GFP_KERNEL, NULL); + ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL); return ret; } @@ -658,7 +658,7 @@ static int dmz_write_dirty_mblocks(struct dmz_metadata *zmd, /* Flush drive cache (this will also sync data) */ if (ret == 0) - ret = blkdev_issue_flush(zmd->dev->bdev, GFP_KERNEL, NULL); + ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL); return ret; } @@ -722,7 +722,7 @@ int dmz_flush_metadata(struct dmz_metadata *zmd) /* If there are no dirty metadata blocks, just flush the device cache */ if (list_empty(&write_list)) { - ret = blkdev_issue_flush(zmd->dev->bdev, GFP_KERNEL, NULL); + ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL); goto out; } @@ -927,7 +927,7 @@ static int dmz_recover_mblocks(struct dmz_metadata *zmd, unsigned int dst_set) (zmd->nr_meta_zones << zmd->dev->zone_nr_blocks_shift); } - page = alloc_page(GFP_KERNEL); + page = alloc_page(GFP_NOIO); if (!page) return -ENOMEM; @@ -1183,7 +1183,7 @@ static int dmz_update_zone(struct dmz_metadata *zmd, struct dm_zone *zone) /* Get zone information from disk */ ret = blkdev_report_zones(zmd->dev->bdev, dmz_start_sect(zmd, zone), - &blkz, &nr_blkz, GFP_KERNEL); + &blkz, &nr_blkz, GFP_NOIO); if (ret) { dmz_dev_err(zmd->dev, "Get zone %u report failed", dmz_id(zmd, zone)); @@ -1257,7 +1257,7 @@ static int dmz_reset_zone(struct dmz_metadata *zmd, struct dm_zone *zone) ret = blkdev_reset_zones(dev->bdev, dmz_start_sect(zmd, zone), - dev->zone_nr_sectors, GFP_KERNEL); + dev->zone_nr_sectors, GFP_NOIO); if (ret) { dmz_dev_err(dev, "Reset zone %u failed %d", dmz_id(zmd, zone), ret); diff --git a/drivers/md/dm-zoned-reclaim.c b/drivers/md/dm-zoned-reclaim.c index 05c0a126f5c8..44a119e12f1a 100644 --- a/drivers/md/dm-zoned-reclaim.c +++ b/drivers/md/dm-zoned-reclaim.c @@ -75,7 +75,7 @@ static int dmz_reclaim_align_wp(struct dmz_reclaim *zrc, struct dm_zone *zone, nr_blocks = block - wp_block; ret = blkdev_issue_zeroout(zrc->dev->bdev, dmz_start_sect(zmd, zone) + dmz_blk2sect(wp_block), - dmz_blk2sect(nr_blocks), GFP_NOFS, false); + dmz_blk2sect(nr_blocks), GFP_NOIO, 0); if (ret) { dmz_dev_err(zrc->dev, "Align zone %u wp %llu to %llu (wp+%u) blocks failed %d", diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c index 2b538fa817f4..b08bbbd4d902 100644 --- a/drivers/md/dm-zoned-target.c +++ b/drivers/md/dm-zoned-target.c @@ -541,7 +541,7 @@ static void dmz_queue_chunk_work(struct dmz_target *dmz, struct bio *bio) int ret; /* Create a new chunk work */ - cw = kmalloc(sizeof(struct dm_chunk_work), GFP_NOFS); + cw = kmalloc(sizeof(struct dm_chunk_work), GFP_NOIO); if (!cw) goto out; @@ -588,7 +588,7 @@ static int dmz_map(struct dm_target *ti, struct bio *bio) bio->bi_bdev = dev->bdev; - if (!nr_sectors && (bio_op(bio) != REQ_OP_FLUSH) && (bio_op(bio) != REQ_OP_WRITE)) + if (!nr_sectors && bio_op(bio) != REQ_OP_WRITE) return DM_MAPIO_REMAPPED; /* The BIO should be block aligned */ @@ -603,7 +603,7 @@ static int dmz_map(struct dm_target *ti, struct bio *bio) bioctx->status = BLK_STS_OK; /* Set the BIO pending in the flush list */ - if (bio_op(bio) == REQ_OP_FLUSH || (!nr_sectors && bio_op(bio) == REQ_OP_WRITE)) { + if (!nr_sectors && bio_op(bio) == REQ_OP_WRITE) { spin_lock(&dmz->flush_lock); bio_list_add(&dmz->flush_list, bio); spin_unlock(&dmz->flush_lock); @@ -785,7 +785,7 @@ static int dmz_ctr(struct dm_target *ti, unsigned int argc, char **argv) /* Chunk BIO work */ mutex_init(&dmz->chunk_lock); - INIT_RADIX_TREE(&dmz->chunk_rxtree, GFP_NOFS); + INIT_RADIX_TREE(&dmz->chunk_rxtree, GFP_KERNEL); dmz->chunk_wq = alloc_workqueue("dmz_cwq_%s", WQ_MEM_RECLAIM | WQ_UNBOUND, 0, dev->name); if (!dmz->chunk_wq) { diff --git a/drivers/md/md.c b/drivers/md/md.c index 8cdca0296749..c99634612fc4 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2287,7 +2287,7 @@ static void export_array(struct mddev *mddev) static bool set_in_sync(struct mddev *mddev) { - WARN_ON_ONCE(!spin_is_locked(&mddev->lock)); + WARN_ON_ONCE(NR_CPUS != 1 && !spin_is_locked(&mddev->lock)); if (!mddev->in_sync) { mddev->sync_checkers++; spin_unlock(&mddev->lock); diff --git a/drivers/md/md.h b/drivers/md/md.h index b50eb4ac1b82..09db03455801 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -731,58 +731,4 @@ static inline void mddev_check_write_zeroes(struct mddev *mddev, struct bio *bio !bdev_get_queue(bio->bi_bdev)->limits.max_write_zeroes_sectors) mddev->queue->limits.max_write_zeroes_sectors = 0; } - -/* Maximum size of each resync request */ -#define RESYNC_BLOCK_SIZE (64*1024) -#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE) - -/* for managing resync I/O pages */ -struct resync_pages { - unsigned idx; /* for get/put page from the pool */ - void *raid_bio; - struct page *pages[RESYNC_PAGES]; -}; - -static inline int resync_alloc_pages(struct resync_pages *rp, - gfp_t gfp_flags) -{ - int i; - - for (i = 0; i < RESYNC_PAGES; i++) { - rp->pages[i] = alloc_page(gfp_flags); - if (!rp->pages[i]) - goto out_free; - } - - return 0; - -out_free: - while (--i >= 0) - put_page(rp->pages[i]); - return -ENOMEM; -} - -static inline void resync_free_pages(struct resync_pages *rp) -{ - int i; - - for (i = 0; i < RESYNC_PAGES; i++) - put_page(rp->pages[i]); -} - -static inline void resync_get_all_pages(struct resync_pages *rp) -{ - int i; - - for (i = 0; i < RESYNC_PAGES; i++) - get_page(rp->pages[i]); -} - -static inline struct page *resync_fetch_page(struct resync_pages *rp, - unsigned idx) -{ - if (WARN_ON_ONCE(idx >= RESYNC_PAGES)) - return NULL; - return rp->pages[idx]; -} #endif /* _MD_MD_H */ diff --git a/drivers/md/raid1-10.c b/drivers/md/raid1-10.c new file mode 100644 index 000000000000..9f2670b45f31 --- /dev/null +++ b/drivers/md/raid1-10.c @@ -0,0 +1,81 @@ +/* Maximum size of each resync request */ +#define RESYNC_BLOCK_SIZE (64*1024) +#define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE) + +/* for managing resync I/O pages */ +struct resync_pages { + void *raid_bio; + struct page *pages[RESYNC_PAGES]; +}; + +static inline int resync_alloc_pages(struct resync_pages *rp, + gfp_t gfp_flags) +{ + int i; + + for (i = 0; i < RESYNC_PAGES; i++) { + rp->pages[i] = alloc_page(gfp_flags); + if (!rp->pages[i]) + goto out_free; + } + + return 0; + +out_free: + while (--i >= 0) + put_page(rp->pages[i]); + return -ENOMEM; +} + +static inline void resync_free_pages(struct resync_pages *rp) +{ + int i; + + for (i = 0; i < RESYNC_PAGES; i++) + put_page(rp->pages[i]); +} + +static inline void resync_get_all_pages(struct resync_pages *rp) +{ + int i; + + for (i = 0; i < RESYNC_PAGES; i++) + get_page(rp->pages[i]); +} + +static inline struct page *resync_fetch_page(struct resync_pages *rp, + unsigned idx) +{ + if (WARN_ON_ONCE(idx >= RESYNC_PAGES)) + return NULL; + return rp->pages[idx]; +} + +/* + * 'strct resync_pages' stores actual pages used for doing the resync + * IO, and it is per-bio, so make .bi_private points to it. + */ +static inline struct resync_pages *get_resync_pages(struct bio *bio) +{ + return bio->bi_private; +} + +/* generally called after bio_reset() for reseting bvec */ +static void md_bio_reset_resync_pages(struct bio *bio, struct resync_pages *rp, + int size) +{ + int idx = 0; + + /* initialize bvec table again */ + do { + struct page *page = resync_fetch_page(rp, idx); + int len = min_t(int, size, PAGE_SIZE); + + /* + * won't fail because the vec table is big + * enough to hold all these pages + */ + bio_add_page(bio, page, len, 0); + size -= len; + } while (idx++ < RESYNC_PAGES && size > 0); +} diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 3febfc8391fb..f50958ded9f0 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -81,14 +81,7 @@ static void lower_barrier(struct r1conf *conf, sector_t sector_nr); #define raid1_log(md, fmt, args...) \ do { if ((md)->queue) blk_add_trace_msg((md)->queue, "raid1 " fmt, ##args); } while (0) -/* - * 'strct resync_pages' stores actual pages used for doing the resync - * IO, and it is per-bio, so make .bi_private points to it. - */ -static inline struct resync_pages *get_resync_pages(struct bio *bio) -{ - return bio->bi_private; -} +#include "raid1-10.c" /* * for resync bio, r1bio pointer can be retrieved from the per-bio @@ -170,7 +163,6 @@ static void * r1buf_pool_alloc(gfp_t gfp_flags, void *data) resync_get_all_pages(rp); } - rp->idx = 0; rp->raid_bio = r1_bio; bio->bi_private = rp; } @@ -492,10 +484,6 @@ static void raid1_end_write_request(struct bio *bio) } if (behind) { - /* we release behind master bio when all write are done */ - if (r1_bio->behind_master_bio == bio) - to_put = NULL; - if (test_bit(WriteMostly, &rdev->flags)) atomic_dec(&r1_bio->behind_remaining); @@ -802,8 +790,7 @@ static void flush_bio_list(struct r1conf *conf, struct bio *bio) bio->bi_next = NULL; bio->bi_bdev = rdev->bdev; if (test_bit(Faulty, &rdev->flags)) { - bio->bi_status = BLK_STS_IOERR; - bio_endio(bio); + bio_io_error(bio); } else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) /* Just ignore it */ @@ -1088,7 +1075,7 @@ static void unfreeze_array(struct r1conf *conf) wake_up(&conf->wait_barrier); } -static struct bio *alloc_behind_master_bio(struct r1bio *r1_bio, +static void alloc_behind_master_bio(struct r1bio *r1_bio, struct bio *bio) { int size = bio->bi_iter.bi_size; @@ -1098,11 +1085,13 @@ static struct bio *alloc_behind_master_bio(struct r1bio *r1_bio, behind_bio = bio_alloc_mddev(GFP_NOIO, vcnt, r1_bio->mddev); if (!behind_bio) - goto fail; + return; /* discard op, we don't support writezero/writesame yet */ - if (!bio_has_data(bio)) + if (!bio_has_data(bio)) { + behind_bio->bi_iter.bi_size = size; goto skip_copy; + } while (i < vcnt && size) { struct page *page; @@ -1123,14 +1112,13 @@ skip_copy: r1_bio->behind_master_bio = behind_bio;; set_bit(R1BIO_BehindIO, &r1_bio->state); - return behind_bio; + return; free_pages: pr_debug("%dB behind alloc failed, doing sync I/O\n", bio->bi_iter.bi_size); bio_free_pages(behind_bio); -fail: - return behind_bio; + bio_put(behind_bio); } struct raid1_plug_cb { @@ -1483,7 +1471,7 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio, (atomic_read(&bitmap->behind_writes) < mddev->bitmap_info.max_write_behind) && !waitqueue_active(&bitmap->behind_wait)) { - mbio = alloc_behind_master_bio(r1_bio, bio); + alloc_behind_master_bio(r1_bio, bio); } bitmap_startwrite(bitmap, r1_bio->sector, @@ -1493,14 +1481,11 @@ static void raid1_write_request(struct mddev *mddev, struct bio *bio, first_clone = 0; } - if (!mbio) { - if (r1_bio->behind_master_bio) - mbio = bio_clone_fast(r1_bio->behind_master_bio, - GFP_NOIO, - mddev->bio_set); - else - mbio = bio_clone_fast(bio, GFP_NOIO, mddev->bio_set); - } + if (r1_bio->behind_master_bio) + mbio = bio_clone_fast(r1_bio->behind_master_bio, + GFP_NOIO, mddev->bio_set); + else + mbio = bio_clone_fast(bio, GFP_NOIO, mddev->bio_set); if (r1_bio->behind_master_bio) { if (test_bit(WriteMostly, &conf->mirrors[i].rdev->flags)) @@ -2086,10 +2071,7 @@ static void process_checks(struct r1bio *r1_bio) /* Fix variable parts of all bios */ vcnt = (r1_bio->sectors + PAGE_SIZE / 512 - 1) >> (PAGE_SHIFT - 9); for (i = 0; i < conf->raid_disks * 2; i++) { - int j; - int size; blk_status_t status; - struct bio_vec *bi; struct bio *b = r1_bio->bios[i]; struct resync_pages *rp = get_resync_pages(b); if (b->bi_end_io != end_sync_read) @@ -2098,8 +2080,6 @@ static void process_checks(struct r1bio *r1_bio) status = b->bi_status; bio_reset(b); b->bi_status = status; - b->bi_vcnt = vcnt; - b->bi_iter.bi_size = r1_bio->sectors << 9; b->bi_iter.bi_sector = r1_bio->sector + conf->mirrors[i].rdev->data_offset; b->bi_bdev = conf->mirrors[i].rdev->bdev; @@ -2107,15 +2087,8 @@ static void process_checks(struct r1bio *r1_bio) rp->raid_bio = r1_bio; b->bi_private = rp; - size = b->bi_iter.bi_size; - bio_for_each_segment_all(bi, b, j) { - bi->bv_offset = 0; - if (size > PAGE_SIZE) - bi->bv_len = PAGE_SIZE; - else - bi->bv_len = size; - size -= PAGE_SIZE; - } + /* initialize bvec table again */ + md_bio_reset_resync_pages(b, rp, r1_bio->sectors << 9); } for (primary = 0; primary < conf->raid_disks * 2; primary++) if (r1_bio->bios[primary]->bi_end_io == end_sync_read && @@ -2366,8 +2339,6 @@ static int narrow_write_error(struct r1bio *r1_bio, int i) wbio = bio_clone_fast(r1_bio->behind_master_bio, GFP_NOIO, mddev->bio_set); - /* We really need a _all clone */ - wbio->bi_iter = (struct bvec_iter){ 0 }; } else { wbio = bio_clone_fast(r1_bio->master_bio, GFP_NOIO, mddev->bio_set); @@ -2619,6 +2590,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, int good_sectors = RESYNC_SECTORS; int min_bad = 0; /* number of sectors that are bad in all devices */ int idx = sector_to_idx(sector_nr); + int page_idx = 0; if (!conf->r1buf_pool) if (init_resync(conf)) @@ -2846,7 +2818,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, bio = r1_bio->bios[i]; rp = get_resync_pages(bio); if (bio->bi_end_io) { - page = resync_fetch_page(rp, rp->idx++); + page = resync_fetch_page(rp, page_idx); /* * won't fail because the vec table is big @@ -2858,7 +2830,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr, nr_sectors += len>>9; sector_nr += len>>9; sync_blocks -= (len>>9); - } while (get_resync_pages(r1_bio->bios[disk]->bi_private)->idx < RESYNC_PAGES); + } while (++page_idx < RESYNC_PAGES); r1_bio->sectors = nr_sectors; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 5026e7ad51d3..f55d4cc085f6 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -110,14 +110,7 @@ static void end_reshape(struct r10conf *conf); #define raid10_log(md, fmt, args...) \ do { if ((md)->queue) blk_add_trace_msg((md)->queue, "raid10 " fmt, ##args); } while (0) -/* - * 'strct resync_pages' stores actual pages used for doing the resync - * IO, and it is per-bio, so make .bi_private points to it. - */ -static inline struct resync_pages *get_resync_pages(struct bio *bio) -{ - return bio->bi_private; -} +#include "raid1-10.c" /* * for resync bio, r10bio pointer can be retrieved from the per-bio @@ -221,7 +214,6 @@ static void * r10buf_pool_alloc(gfp_t gfp_flags, void *data) resync_get_all_pages(rp); } - rp->idx = 0; rp->raid_bio = r10_bio; bio->bi_private = rp; if (rbio) { @@ -913,8 +905,7 @@ static void flush_pending_writes(struct r10conf *conf) bio->bi_next = NULL; bio->bi_bdev = rdev->bdev; if (test_bit(Faulty, &rdev->flags)) { - bio->bi_status = BLK_STS_IOERR; - bio_endio(bio); + bio_io_error(bio); } else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) /* Just ignore it */ @@ -1098,8 +1089,7 @@ static void raid10_unplug(struct blk_plug_cb *cb, bool from_schedule) bio->bi_next = NULL; bio->bi_bdev = rdev->bdev; if (test_bit(Faulty, &rdev->flags)) { - bio->bi_status = BLK_STS_IOERR; - bio_endio(bio); + bio_io_error(bio); } else if (unlikely((bio_op(bio) == REQ_OP_DISCARD) && !blk_queue_discard(bdev_get_queue(bio->bi_bdev)))) /* Just ignore it */ @@ -2087,8 +2077,8 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio) rp = get_resync_pages(tbio); bio_reset(tbio); - tbio->bi_vcnt = vcnt; - tbio->bi_iter.bi_size = fbio->bi_iter.bi_size; + md_bio_reset_resync_pages(tbio, rp, fbio->bi_iter.bi_size); + rp->raid_bio = r10_bio; tbio->bi_private = rp; tbio->bi_iter.bi_sector = r10_bio->devs[i].addr; @@ -2853,6 +2843,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, sector_t sectors_skipped = 0; int chunks_skipped = 0; sector_t chunk_mask = conf->geo.chunk_mask; + int page_idx = 0; if (!conf->r10buf_pool) if (init_resync(conf)) @@ -3355,7 +3346,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, break; for (bio= biolist ; bio ; bio=bio->bi_next) { struct resync_pages *rp = get_resync_pages(bio); - page = resync_fetch_page(rp, rp->idx++); + page = resync_fetch_page(rp, page_idx); /* * won't fail because the vec table is big enough * to hold all these pages @@ -3364,7 +3355,7 @@ static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr, } nr_sectors += len>>9; sector_nr += len>>9; - } while (get_resync_pages(biolist)->idx < RESYNC_PAGES); + } while (++page_idx < RESYNC_PAGES); r10_bio->sectors = nr_sectors; while (biolist) { diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index aeeb8d6854e2..0fc2748aaf95 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -3381,9 +3381,8 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, sh->dev[i].sector + STRIPE_SECTORS) { struct bio *nextbi = r5_next_bio(bi, sh->dev[i].sector); - bi->bi_status = BLK_STS_IOERR; md_write_end(conf->mddev); - bio_endio(bi); + bio_io_error(bi); bi = nextbi; } if (bitmap_end) @@ -3403,9 +3402,8 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, sh->dev[i].sector + STRIPE_SECTORS) { struct bio *bi2 = r5_next_bio(bi, sh->dev[i].sector); - bi->bi_status = BLK_STS_IOERR; md_write_end(conf->mddev); - bio_endio(bi); + bio_io_error(bi); bi = bi2; } @@ -3429,8 +3427,7 @@ handle_failed_stripe(struct r5conf *conf, struct stripe_head *sh, struct bio *nextbi = r5_next_bio(bi, sh->dev[i].sector); - bi->bi_status = BLK_STS_IOERR; - bio_endio(bi); + bio_io_error(bi); bi = nextbi; } } @@ -6237,6 +6234,8 @@ static void raid5_do_work(struct work_struct *work) pr_debug("%d stripes handled\n", handled); spin_unlock_irq(&conf->device_lock); + + async_tx_issue_pending_all(); blk_finish_plug(&plug); pr_debug("--- raid5worker inactive\n"); diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c index bf45977b2823..d596b601ff42 100644 --- a/drivers/media/cec/cec-adap.c +++ b/drivers/media/cec/cec-adap.c @@ -559,7 +559,7 @@ EXPORT_SYMBOL_GPL(cec_transmit_done); void cec_transmit_attempt_done(struct cec_adapter *adap, u8 status) { - switch (status) { + switch (status & ~CEC_TX_STATUS_MAX_RETRIES) { case CEC_TX_STATUS_OK: cec_transmit_done(adap, status, 0, 0, 0, 0); return; diff --git a/drivers/media/cec/cec-notifier.c b/drivers/media/cec/cec-notifier.c index 74dc1c32080e..08b619d0ea1e 100644 --- a/drivers/media/cec/cec-notifier.c +++ b/drivers/media/cec/cec-notifier.c @@ -87,6 +87,9 @@ EXPORT_SYMBOL_GPL(cec_notifier_put); void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa) { + if (n == NULL) + return; + mutex_lock(&n->lock); n->phys_addr = pa; if (n->callback) @@ -100,6 +103,9 @@ void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n, { u16 pa = CEC_PHYS_ADDR_INVALID; + if (n == NULL) + return; + if (edid && edid->extensions) pa = cec_get_edid_phys_addr((const u8 *)edid, EDID_LENGTH * (edid->extensions + 1), NULL); diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c index af694f2066a2..17970cdd55fa 100644 --- a/drivers/media/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb-core/dvb_ca_en50221.c @@ -349,7 +349,8 @@ static int dvb_ca_en50221_link_init(struct dvb_ca_private *ca, int slot) /* read the buffer size from the CAM */ if ((ret = ca->pub->write_cam_control(ca->pub, slot, CTRLIF_COMMAND, IRQEN | CMDREG_SR)) != 0) return ret; - if ((ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_DA, HZ / 10)) != 0) + ret = dvb_ca_en50221_wait_if_status(ca, slot, STATUSREG_DA, HZ); + if (ret != 0) return ret; if ((ret = dvb_ca_en50221_read_data(ca, slot, buf, 2)) != 2) return -EIO; @@ -644,72 +645,101 @@ static int dvb_ca_en50221_read_data(struct dvb_ca_private *ca, int slot, } buf_free = dvb_ringbuffer_free(&ca->slot_info[slot].rx_buffer); - if (buf_free < (ca->slot_info[slot].link_buf_size + DVB_RINGBUFFER_PKTHDRSIZE)) { + if (buf_free < (ca->slot_info[slot].link_buf_size + + DVB_RINGBUFFER_PKTHDRSIZE)) { status = -EAGAIN; goto exit; } } - /* check if there is data available */ - if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS)) < 0) - goto exit; - if (!(status & STATUSREG_DA)) { - /* no data */ - status = 0; - goto exit; - } - - /* read the amount of data */ - if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_SIZE_HIGH)) < 0) - goto exit; - bytes_read = status << 8; - if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_SIZE_LOW)) < 0) - goto exit; - bytes_read |= status; + if (ca->pub->read_data && + (ca->slot_info[slot].slot_state != DVB_CA_SLOTSTATE_LINKINIT)) { + if (ebuf == NULL) + status = ca->pub->read_data(ca->pub, slot, buf, + sizeof(buf)); + else + status = ca->pub->read_data(ca->pub, slot, buf, ecount); + if (status < 0) + return status; + bytes_read = status; + if (status == 0) + goto exit; + } else { - /* check it will fit */ - if (ebuf == NULL) { - if (bytes_read > ca->slot_info[slot].link_buf_size) { - pr_err("dvb_ca adapter %d: CAM tried to send a buffer larger than the link buffer size (%i > %i)!\n", - ca->dvbdev->adapter->num, bytes_read, - ca->slot_info[slot].link_buf_size); - ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT; - status = -EIO; + /* check if there is data available */ + status = ca->pub->read_cam_control(ca->pub, slot, + CTRLIF_STATUS); + if (status < 0) goto exit; - } - if (bytes_read < 2) { - pr_err("dvb_ca adapter %d: CAM sent a buffer that was less than 2 bytes!\n", - ca->dvbdev->adapter->num); - ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT; - status = -EIO; + if (!(status & STATUSREG_DA)) { + /* no data */ + status = 0; goto exit; } - } else { - if (bytes_read > ecount) { - pr_err("dvb_ca adapter %d: CAM tried to send a buffer larger than the ecount size!\n", - ca->dvbdev->adapter->num); - status = -EIO; + + /* read the amount of data */ + status = ca->pub->read_cam_control(ca->pub, slot, + CTRLIF_SIZE_HIGH); + if (status < 0) + goto exit; + bytes_read = status << 8; + status = ca->pub->read_cam_control(ca->pub, slot, + CTRLIF_SIZE_LOW); + if (status < 0) goto exit; + bytes_read |= status; + + /* check it will fit */ + if (ebuf == NULL) { + if (bytes_read > ca->slot_info[slot].link_buf_size) { + pr_err("dvb_ca adapter %d: CAM tried to send a buffer larger than the link buffer size (%i > %i)!\n", + ca->dvbdev->adapter->num, bytes_read, + ca->slot_info[slot].link_buf_size); + ca->slot_info[slot].slot_state = + DVB_CA_SLOTSTATE_LINKINIT; + status = -EIO; + goto exit; + } + if (bytes_read < 2) { + pr_err("dvb_ca adapter %d: CAM sent a buffer that was less than 2 bytes!\n", + ca->dvbdev->adapter->num); + ca->slot_info[slot].slot_state = + DVB_CA_SLOTSTATE_LINKINIT; + status = -EIO; + goto exit; + } + } else { + if (bytes_read > ecount) { + pr_err("dvb_ca adapter %d: CAM tried to send a buffer larger than the ecount size!\n", + ca->dvbdev->adapter->num); + status = -EIO; + goto exit; + } } - } - /* fill the buffer */ - for (i = 0; i < bytes_read; i++) { - /* read byte and check */ - if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_DATA)) < 0) - goto exit; + /* fill the buffer */ + for (i = 0; i < bytes_read; i++) { + /* read byte and check */ + status = ca->pub->read_cam_control(ca->pub, slot, + CTRLIF_DATA); + if (status < 0) + goto exit; - /* OK, store it in the buffer */ - buf[i] = status; - } + /* OK, store it in the buffer */ + buf[i] = status; + } - /* check for read error (RE should now be 0) */ - if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS)) < 0) - goto exit; - if (status & STATUSREG_RE) { - ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_LINKINIT; - status = -EIO; - goto exit; + /* check for read error (RE should now be 0) */ + status = ca->pub->read_cam_control(ca->pub, slot, + CTRLIF_STATUS); + if (status < 0) + goto exit; + if (status & STATUSREG_RE) { + ca->slot_info[slot].slot_state = + DVB_CA_SLOTSTATE_LINKINIT; + status = -EIO; + goto exit; + } } /* OK, add it to the receive buffer, or copy into external buffer if supplied */ @@ -762,6 +792,10 @@ static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot, if (bytes_write > ca->slot_info[slot].link_buf_size) return -EINVAL; + if (ca->pub->write_data && + (ca->slot_info[slot].slot_state != DVB_CA_SLOTSTATE_LINKINIT)) + return ca->pub->write_data(ca->pub, slot, buf, bytes_write); + /* it is possible we are dealing with a single buffer implementation, thus if there is data available for read or if there is even a read already in progress, we do nothing but awake the kernel thread to @@ -1176,7 +1210,8 @@ static int dvb_ca_en50221_thread(void *data) pr_err("dvb_ca adapter %d: DVB CAM link initialisation failed :(\n", ca->dvbdev->adapter->num); - ca->slot_info[slot].slot_state = DVB_CA_SLOTSTATE_INVALID; + ca->slot_info[slot].slot_state = + DVB_CA_SLOTSTATE_UNINITIALISED; dvb_ca_en50221_thread_update_delay(ca); break; } diff --git a/drivers/media/dvb-core/dvb_ca_en50221.h b/drivers/media/dvb-core/dvb_ca_en50221.h index 1e4bbbd34d91..82617bac0875 100644 --- a/drivers/media/dvb-core/dvb_ca_en50221.h +++ b/drivers/media/dvb-core/dvb_ca_en50221.h @@ -41,6 +41,8 @@ * @write_attribute_mem: function for writing attribute memory on the CAM * @read_cam_control: function for reading the control interface on the CAM * @write_cam_control: function for reading the control interface on the CAM + * @read_data: function for reading data (block mode) + * @write_data: function for writing data (block mode) * @slot_reset: function to reset the CAM slot * @slot_shutdown: function to shutdown a CAM slot * @slot_ts_enable: function to enable the Transport Stream on a CAM slot @@ -66,6 +68,11 @@ struct dvb_ca_en50221 { int (*write_cam_control)(struct dvb_ca_en50221 *ca, int slot, u8 address, u8 value); + int (*read_data)(struct dvb_ca_en50221 *ca, + int slot, u8 *ebuf, int ecount); + int (*write_data)(struct dvb_ca_en50221 *ca, + int slot, u8 *ebuf, int ecount); + int (*slot_reset)(struct dvb_ca_en50221 *ca, int slot); int (*slot_shutdown)(struct dvb_ca_en50221 *ca, int slot); int (*slot_ts_enable)(struct dvb_ca_en50221 *ca, int slot); diff --git a/drivers/media/dvb-frontends/cxd2841er.c b/drivers/media/dvb-frontends/cxd2841er.c index 08f67d60a7d9..12bff778c97f 100644 --- a/drivers/media/dvb-frontends/cxd2841er.c +++ b/drivers/media/dvb-frontends/cxd2841er.c @@ -3279,7 +3279,10 @@ static int cxd2841er_get_frontend(struct dvb_frontend *fe, else if (priv->state == STATE_ACTIVE_TC) cxd2841er_read_status_tc(fe, &status); - cxd2841er_read_signal_strength(fe); + if (priv->state == STATE_ACTIVE_TC || priv->state == STATE_ACTIVE_S) + cxd2841er_read_signal_strength(fe); + else + p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; if (status & FE_HAS_LOCK) { cxd2841er_read_snr(fe); diff --git a/drivers/media/dvb-frontends/drx39xyj/drx_driver.h b/drivers/media/dvb-frontends/drx39xyj/drx_driver.h index 4442e478db72..cd69e187ba7a 100644 --- a/drivers/media/dvb-frontends/drx39xyj/drx_driver.h +++ b/drivers/media/dvb-frontends/drx39xyj/drx_driver.h @@ -307,7 +307,7 @@ int drxbsp_tuner_default_i2c_write_read(struct tuner_instance *tuner, * \def DRX_UNKNOWN * \brief Generic UNKNOWN value for DRX enumerated types. * -* Used to indicate that the parameter value is unknown or not yet initalized. +* Used to indicate that the parameter value is unknown or not yet initialized. */ #ifndef DRX_UNKNOWN #define DRX_UNKNOWN (254) @@ -450,19 +450,6 @@ MACROS ((u8)((((u16)x)>>8)&0xFF)) /** -* \brief Macro to sign extend signed 9 bit value to signed 16 bit value -*/ -#define DRX_S9TOS16(x) ((((u16)x)&0x100) ? ((s16)((u16)(x)|0xFF00)) : (x)) - -/** -* \brief Macro to sign extend signed 9 bit value to signed 16 bit value -*/ -#define DRX_S24TODRXFREQ(x) ((((u32) x) & 0x00800000UL) ? \ - ((s32) \ - (((u32) x) | 0xFF000000)) : \ - ((s32) x)) - -/** * \brief Macro to convert 16 bit register value to a s32 */ #define DRX_U16TODRXFREQ(x) ((x & 0x8000) ? \ diff --git a/drivers/media/dvb-frontends/lnbh25.c b/drivers/media/dvb-frontends/lnbh25.c index ef3021e964be..cb486e879fdd 100644 --- a/drivers/media/dvb-frontends/lnbh25.c +++ b/drivers/media/dvb-frontends/lnbh25.c @@ -76,8 +76,8 @@ static int lnbh25_read_vmon(struct lnbh25_priv *priv) return ret; } } - print_hex_dump_bytes("lnbh25_read_vmon: ", - DUMP_PREFIX_OFFSET, status, sizeof(status)); + dev_dbg(&priv->i2c->dev, "%s(): %*ph\n", + __func__, (int) sizeof(status), status); if ((status[0] & (LNBH25_STATUS_OFL | LNBH25_STATUS_VMON)) != 0) { dev_err(&priv->i2c->dev, "%s(): voltage in failure state, status reg 0x%x\n", @@ -178,7 +178,7 @@ struct dvb_frontend *lnbh25_attach(struct dvb_frontend *fe, fe->ops.release_sec = lnbh25_release; fe->ops.set_voltage = lnbh25_set_voltage; - dev_err(&i2c->dev, "%s(): attached at I2C addr 0x%02x\n", + dev_info(&i2c->dev, "%s(): attached at I2C addr 0x%02x\n", __func__, priv->i2c_address); return fe; } diff --git a/drivers/media/dvb-frontends/stv0367.c b/drivers/media/dvb-frontends/stv0367.c index e726c2e00460..8ac0f598978d 100644 --- a/drivers/media/dvb-frontends/stv0367.c +++ b/drivers/media/dvb-frontends/stv0367.c @@ -25,6 +25,8 @@ #include <linux/slab.h> #include <linux/i2c.h> +#include "dvb_math.h" + #include "stv0367.h" #include "stv0367_defs.h" #include "stv0367_regs.h" @@ -1437,7 +1439,7 @@ static int stv0367ter_get_frontend(struct dvb_frontend *fe, return 0; } -static int stv0367ter_read_snr(struct dvb_frontend *fe, u16 *snr) +static u32 stv0367ter_snr_readreg(struct dvb_frontend *fe) { struct stv0367_state *state = fe->demodulator_priv; u32 snru32 = 0; @@ -1453,10 +1455,16 @@ static int stv0367ter_read_snr(struct dvb_frontend *fe, u16 *snr) cpt++; } - snru32 /= 10;/*average on 10 values*/ - *snr = snru32 / 1000; + return snru32; +} + +static int stv0367ter_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + u32 snrval = stv0367ter_snr_readreg(fe); + + *snr = snrval / 1000; return 0; } @@ -1501,7 +1509,8 @@ static int stv0367ter_read_status(struct dvb_frontend *fe, *status = 0; if (stv0367_readbits(state, F367TER_LK)) { - *status |= FE_HAS_LOCK; + *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI + | FE_HAS_SYNC | FE_HAS_LOCK; dprintk("%s: stv0367 has locked\n", __func__); } @@ -2149,6 +2158,18 @@ static int stv0367cab_read_status(struct dvb_frontend *fe, *status = 0; + if (state->cab_state->state > FE_CAB_NOSIGNAL) + *status |= FE_HAS_SIGNAL; + + if (state->cab_state->state > FE_CAB_NOCARRIER) + *status |= FE_HAS_CARRIER; + + if (state->cab_state->state >= FE_CAB_DEMODOK) + *status |= FE_HAS_VITERBI; + + if (state->cab_state->state >= FE_CAB_DATAOK) + *status |= FE_HAS_SYNC; + if (stv0367_readbits(state, (state->cab_state->qamfec_status_reg ? state->cab_state->qamfec_status_reg : F367CAB_QAMFEC_LOCK))) { *status |= FE_HAS_LOCK; @@ -2702,51 +2723,61 @@ static int stv0367cab_read_strength(struct dvb_frontend *fe, u16 *strength) return 0; } -static int stv0367cab_read_snr(struct dvb_frontend *fe, u16 *snr) +static int stv0367cab_snr_power(struct dvb_frontend *fe) { struct stv0367_state *state = fe->demodulator_priv; - u32 noisepercentage; enum stv0367cab_mod QAMSize; - u32 regval = 0, temp = 0; - int power, i; QAMSize = stv0367_readbits(state, F367CAB_QAM_MODE); switch (QAMSize) { case FE_CAB_MOD_QAM4: - power = 21904; - break; + return 21904; case FE_CAB_MOD_QAM16: - power = 20480; - break; + return 20480; case FE_CAB_MOD_QAM32: - power = 23040; - break; + return 23040; case FE_CAB_MOD_QAM64: - power = 21504; - break; + return 21504; case FE_CAB_MOD_QAM128: - power = 23616; - break; + return 23616; case FE_CAB_MOD_QAM256: - power = 21760; - break; - case FE_CAB_MOD_QAM512: - power = 1; - break; + return 21760; case FE_CAB_MOD_QAM1024: - power = 21280; - break; + return 21280; default: - power = 1; break; } + return 1; +} + +static int stv0367cab_snr_readreg(struct dvb_frontend *fe, int avgdiv) +{ + struct stv0367_state *state = fe->demodulator_priv; + u32 regval = 0; + int i; + for (i = 0; i < 10; i++) { regval += (stv0367_readbits(state, F367CAB_SNR_LO) + 256 * stv0367_readbits(state, F367CAB_SNR_HI)); } - regval /= 10; /*for average over 10 times in for loop above*/ + if (avgdiv) + regval /= 10; + + return regval; +} + +static int stv0367cab_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct stv0367_state *state = fe->demodulator_priv; + u32 noisepercentage; + u32 regval = 0, temp = 0; + int power; + + power = stv0367cab_snr_power(fe); + regval = stv0367cab_snr_readreg(fe, 1); + if (regval != 0) { temp = power * (1 << (3 + stv0367_readbits(state, F367CAB_SNR_PER))); @@ -2980,21 +3011,117 @@ static int stv0367ddb_set_frontend(struct dvb_frontend *fe) return -EINVAL; } +static void stv0367ddb_read_signal_strength(struct dvb_frontend *fe) +{ + struct stv0367_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + s32 signalstrength; + + switch (state->activedemod) { + case demod_cab: + signalstrength = stv0367cab_get_rf_lvl(state) * 1000; + break; + default: + p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + return; + } + + p->strength.stat[0].scale = FE_SCALE_DECIBEL; + p->strength.stat[0].uvalue = signalstrength; +} + +static void stv0367ddb_read_snr(struct dvb_frontend *fe) +{ + struct stv0367_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + int cab_pwr; + u32 regval, tmpval, snrval = 0; + + switch (state->activedemod) { + case demod_ter: + snrval = stv0367ter_snr_readreg(fe); + break; + case demod_cab: + cab_pwr = stv0367cab_snr_power(fe); + regval = stv0367cab_snr_readreg(fe, 0); + + /* prevent division by zero */ + if (!regval) { + snrval = 0; + break; + } + + tmpval = (cab_pwr * 320) / regval; + snrval = ((tmpval != 0) ? (intlog2(tmpval) / 5581) : 0); + break; + default: + p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + return; + } + + p->cnr.stat[0].scale = FE_SCALE_DECIBEL; + p->cnr.stat[0].uvalue = snrval; +} + +static void stv0367ddb_read_ucblocks(struct dvb_frontend *fe) +{ + struct stv0367_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + u32 ucblocks = 0; + + switch (state->activedemod) { + case demod_ter: + stv0367ter_read_ucblocks(fe, &ucblocks); + break; + case demod_cab: + stv0367cab_read_ucblcks(fe, &ucblocks); + break; + default: + p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + return; + } + + p->block_error.stat[0].scale = FE_SCALE_COUNTER; + p->block_error.stat[0].uvalue = ucblocks; +} + static int stv0367ddb_read_status(struct dvb_frontend *fe, enum fe_status *status) { struct stv0367_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + int ret; switch (state->activedemod) { case demod_ter: - return stv0367ter_read_status(fe, status); + ret = stv0367ter_read_status(fe, status); + break; case demod_cab: - return stv0367cab_read_status(fe, status); - default: + ret = stv0367cab_read_status(fe, status); break; + default: + return 0; } - return -EINVAL; + /* stop and report on *_read_status failure */ + if (ret) + return ret; + + stv0367ddb_read_signal_strength(fe); + + /* read carrier/noise when a carrier is detected */ + if (*status & FE_HAS_CARRIER) + stv0367ddb_read_snr(fe); + else + p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + + /* read uncorrected blocks on FE_HAS_LOCK */ + if (*status & FE_HAS_LOCK) + stv0367ddb_read_ucblocks(fe); + else + p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + + return 0; } static int stv0367ddb_get_frontend(struct dvb_frontend *fe, @@ -3035,6 +3162,7 @@ static int stv0367ddb_sleep(struct dvb_frontend *fe) static int stv0367ddb_init(struct stv0367_state *state) { struct stv0367ter_state *ter_state = state->ter_state; + struct dtv_frontend_properties *p = &state->fe.dtv_property_cache; stv0367_writereg(state, R367TER_TOPCTRL, 0x10); @@ -3109,6 +3237,13 @@ static int stv0367ddb_init(struct stv0367_state *state) ter_state->first_lock = 0; ter_state->unlock_counter = 2; + p->strength.len = 1; + p->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->cnr.len = 1; + p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_error.len = 1; + p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + return 0; } @@ -3126,15 +3261,12 @@ static const struct dvb_frontend_ops stv0367ddb_ops = { 0x400 |/* FE_CAN_QAM_4 */ FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 | FE_CAN_QAM_128 | - FE_CAN_QAM_256 | FE_CAN_FEC_AUTO | + FE_CAN_QAM_256 | FE_CAN_QAM_AUTO | /* DVB-T */ - FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | - FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | - FE_CAN_FEC_AUTO | - FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | - FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_QAM_AUTO | - FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_RECOVER | - FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | + FE_CAN_QPSK | FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_RECOVER | FE_CAN_INVERSION_AUTO | FE_CAN_MUTE_TS }, .release = stv0367_release, diff --git a/drivers/media/i2c/et8ek8/et8ek8_driver.c b/drivers/media/i2c/et8ek8/et8ek8_driver.c index 6e313d5243a0..f39f5179dd95 100644 --- a/drivers/media/i2c/et8ek8/et8ek8_driver.c +++ b/drivers/media/i2c/et8ek8/et8ek8_driver.c @@ -1496,7 +1496,6 @@ MODULE_DEVICE_TABLE(i2c, et8ek8_id_table); static const struct dev_pm_ops et8ek8_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(et8ek8_suspend, et8ek8_resume) }; -MODULE_DEVICE_TABLE(of, et8ek8_of_table); static struct i2c_driver et8ek8_i2c_driver = { .driver = { diff --git a/drivers/media/i2c/tvp5150.c b/drivers/media/i2c/tvp5150.c index 9da4bf4f2c7a..7b79a7498751 100644 --- a/drivers/media/i2c/tvp5150.c +++ b/drivers/media/i2c/tvp5150.c @@ -659,7 +659,7 @@ static int tvp5150_set_vbi(struct v4l2_subdev *sd, struct tvp5150 *decoder = to_tvp5150(sd); v4l2_std_id std = decoder->norm; u8 reg; - int pos=0; + int pos = 0; if (std == V4L2_STD_ALL) { dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n"); @@ -669,33 +669,30 @@ static int tvp5150_set_vbi(struct v4l2_subdev *sd, line += 3; } - if (line<6||line>27) + if (line < 6 || line > 27) return 0; - while (regs->reg != (u16)-1 ) { + while (regs->reg != (u16)-1) { if ((type & regs->type.vbi_type) && - (line>=regs->type.ini_line) && - (line<=regs->type.end_line)) { - type=regs->type.vbi_type; + (line >= regs->type.ini_line) && + (line <= regs->type.end_line)) break; - } regs++; pos++; } + if (regs->reg == (u16)-1) return 0; - type=pos | (flags & 0xf0); - reg=((line-6)<<1)+TVP5150_LINE_MODE_INI; + type = pos | (flags & 0xf0); + reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI; - if (fields&1) { + if (fields & 1) tvp5150_write(sd, reg, type); - } - if (fields&2) { - tvp5150_write(sd, reg+1, type); - } + if (fields & 2) + tvp5150_write(sd, reg + 1, type); return type; } diff --git a/drivers/media/pci/ddbridge/ddbridge-core.c b/drivers/media/pci/ddbridge/ddbridge-core.c index 9420479bee9a..cd1723e79a07 100644 --- a/drivers/media/pci/ddbridge/ddbridge-core.c +++ b/drivers/media/pci/ddbridge/ddbridge-core.c @@ -17,6 +17,8 @@ * http://www.gnu.org/copyleft/gpl.html */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/init.h> #include <linux/interrupt.h> @@ -114,6 +116,19 @@ static int i2c_write_reg(struct i2c_adapter *adap, u8 adr, return i2c_write(adap, adr, msg, 2); } +static inline u32 safe_ddbreadl(struct ddb *dev, u32 adr) +{ + u32 val = ddbreadl(adr); + + /* (ddb)readl returns (uint)-1 (all bits set) on failure, catch that */ + if (val == ~0) { + dev_err(&dev->pdev->dev, "ddbreadl failure, adr=%08x\n", adr); + return 0; + } + + return val; +} + static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd) { struct ddb *dev = i2c->dev; @@ -124,10 +139,10 @@ static int ddb_i2c_cmd(struct ddb_i2c *i2c, u32 adr, u32 cmd) ddbwritel((adr << 9) | cmd, i2c->regs + I2C_COMMAND); stat = wait_event_timeout(i2c->wq, i2c->done == 1, HZ); if (stat == 0) { - printk(KERN_ERR "I2C timeout\n"); + dev_err(&dev->pdev->dev, "I2C timeout\n"); { /* MSI debugging*/ u32 istat = ddbreadl(INTERRUPT_STATUS); - printk(KERN_ERR "IRS %08x\n", istat); + dev_err(&dev->pdev->dev, "IRS %08x\n", istat); ddbwritel(istat, INTERRUPT_ACK); } return -EIO; @@ -533,7 +548,7 @@ static u32 ddb_input_avail(struct ddb_input *input) off = (stat & 0x7ff) << 7; if (ctrl & 4) { - printk(KERN_ERR "IA %d %d %08x\n", idx, off, ctrl); + dev_err(&dev->pdev->dev, "IA %d %d %08x\n", idx, off, ctrl); ddbwritel(input->stat, DMA_BUFFER_ACK(input->nr)); return 0; } @@ -611,6 +626,7 @@ static int demod_attach_drxk(struct ddb_input *input) struct i2c_adapter *i2c = &input->port->i2c->adap; struct dvb_frontend *fe; struct drxk_config config; + struct device *dev = &input->port->dev->pdev->dev; memset(&config, 0, sizeof(config)); config.microcode_name = "drxk_a3.mc"; @@ -619,7 +635,7 @@ static int demod_attach_drxk(struct ddb_input *input) fe = input->fe = dvb_attach(drxk_attach, &config, i2c); if (!input->fe) { - printk(KERN_ERR "No DRXK found!\n"); + dev_err(dev, "No DRXK found!\n"); return -ENODEV; } fe->sec_priv = input; @@ -632,12 +648,13 @@ static int tuner_attach_tda18271(struct ddb_input *input) { struct i2c_adapter *i2c = &input->port->i2c->adap; struct dvb_frontend *fe; + struct device *dev = &input->port->dev->pdev->dev; if (input->fe->ops.i2c_gate_ctrl) input->fe->ops.i2c_gate_ctrl(input->fe, 1); fe = dvb_attach(tda18271c2dd_attach, input->fe, i2c, 0x60); if (!fe) { - printk(KERN_ERR "No TDA18271 found!\n"); + dev_err(dev, "No TDA18271 found!\n"); return -ENODEV; } if (input->fe->ops.i2c_gate_ctrl) @@ -670,13 +687,14 @@ static struct stv0367_config ddb_stv0367_config[] = { static int demod_attach_stv0367(struct ddb_input *input) { struct i2c_adapter *i2c = &input->port->i2c->adap; + struct device *dev = &input->port->dev->pdev->dev; /* attach frontend */ input->fe = dvb_attach(stv0367ddb_attach, &ddb_stv0367_config[(input->nr & 1)], i2c); if (!input->fe) { - printk(KERN_ERR "stv0367ddb_attach failed (not found?)\n"); + dev_err(dev, "stv0367ddb_attach failed (not found?)\n"); return -ENODEV; } @@ -690,17 +708,19 @@ static int demod_attach_stv0367(struct ddb_input *input) static int tuner_tda18212_ping(struct ddb_input *input, unsigned short adr) { struct i2c_adapter *adapter = &input->port->i2c->adap; + struct device *dev = &input->port->dev->pdev->dev; + u8 tda_id[2]; u8 subaddr = 0x00; - printk(KERN_DEBUG "stv0367-tda18212 tuner ping\n"); + dev_dbg(dev, "stv0367-tda18212 tuner ping\n"); if (input->fe->ops.i2c_gate_ctrl) input->fe->ops.i2c_gate_ctrl(input->fe, 1); if (i2c_read_regs(adapter, adr, subaddr, tda_id, sizeof(tda_id)) < 0) - printk(KERN_DEBUG "tda18212 ping 1 fail\n"); + dev_dbg(dev, "tda18212 ping 1 fail\n"); if (i2c_read_regs(adapter, adr, subaddr, tda_id, sizeof(tda_id)) < 0) - printk(KERN_DEBUG "tda18212 ping 2 fail\n"); + dev_warn(dev, "tda18212 ping failed, expect problems\n"); if (input->fe->ops.i2c_gate_ctrl) input->fe->ops.i2c_gate_ctrl(input->fe, 0); @@ -711,6 +731,7 @@ static int tuner_tda18212_ping(struct ddb_input *input, unsigned short adr) static int demod_attach_cxd28xx(struct ddb_input *input, int par, int osc24) { struct i2c_adapter *i2c = &input->port->i2c->adap; + struct device *dev = &input->port->dev->pdev->dev; struct cxd2841er_config cfg; /* the cxd2841er driver expects 8bit/shifted I2C addresses */ @@ -728,7 +749,7 @@ static int demod_attach_cxd28xx(struct ddb_input *input, int par, int osc24) input->fe = dvb_attach(cxd2841er_attach_t_c, &cfg, i2c); if (!input->fe) { - printk(KERN_ERR "No Sony CXD28xx found!\n"); + dev_err(dev, "No Sony CXD28xx found!\n"); return -ENODEV; } @@ -742,6 +763,7 @@ static int demod_attach_cxd28xx(struct ddb_input *input, int par, int osc24) static int tuner_attach_tda18212(struct ddb_input *input, u32 porttype) { struct i2c_adapter *adapter = &input->port->i2c->adap; + struct device *dev = &input->port->dev->pdev->dev; struct i2c_client *client; struct tda18212_config config = { .fe = input->fe, @@ -786,7 +808,7 @@ static int tuner_attach_tda18212(struct ddb_input *input, u32 porttype) return 0; err: - printk(KERN_INFO "TDA18212 tuner not found. Device is not fully operational.\n"); + dev_warn(dev, "TDA18212 tuner not found. Device is not fully operational.\n"); return -ENODEV; } @@ -847,19 +869,20 @@ static struct stv6110x_config stv6110b = { static int demod_attach_stv0900(struct ddb_input *input, int type) { struct i2c_adapter *i2c = &input->port->i2c->adap; + struct device *dev = &input->port->dev->pdev->dev; struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900; input->fe = dvb_attach(stv090x_attach, feconf, i2c, (input->nr & 1) ? STV090x_DEMODULATOR_1 : STV090x_DEMODULATOR_0); if (!input->fe) { - printk(KERN_ERR "No STV0900 found!\n"); + dev_err(dev, "No STV0900 found!\n"); return -ENODEV; } if (!dvb_attach(lnbh24_attach, input->fe, i2c, 0, 0, (input->nr & 1) ? (0x09 - type) : (0x0b - type))) { - printk(KERN_ERR "No LNBH24 found!\n"); + dev_err(dev, "No LNBH24 found!\n"); return -ENODEV; } return 0; @@ -868,6 +891,7 @@ static int demod_attach_stv0900(struct ddb_input *input, int type) static int tuner_attach_stv6110(struct ddb_input *input, int type) { struct i2c_adapter *i2c = &input->port->i2c->adap; + struct device *dev = &input->port->dev->pdev->dev; struct stv090x_config *feconf = type ? &stv0900_aa : &stv0900; struct stv6110x_config *tunerconf = (input->nr & 1) ? &stv6110b : &stv6110a; @@ -875,10 +899,10 @@ static int tuner_attach_stv6110(struct ddb_input *input, int type) ctl = dvb_attach(stv6110x_attach, input->fe, tunerconf, i2c); if (!ctl) { - printk(KERN_ERR "No STV6110X found!\n"); + dev_err(dev, "No STV6110X found!\n"); return -ENODEV; } - printk(KERN_INFO "attach tuner input %d adr %02x\n", + dev_info(dev, "attach tuner input %d adr %02x\n", input->nr, tunerconf->addr); feconf->tuner_init = ctl->tuner_init; @@ -1009,13 +1033,14 @@ static int dvb_input_attach(struct ddb_input *input) struct ddb_port *port = input->port; struct dvb_adapter *adap = &input->adap; struct dvb_demux *dvbdemux = &input->demux; + struct device *dev = &input->port->dev->pdev->dev; int sony_osc24 = 0, sony_tspar = 0; ret = dvb_register_adapter(adap, "DDBridge", THIS_MODULE, &input->port->dev->pdev->dev, adapter_nr); if (ret < 0) { - printk(KERN_ERR "ddbridge: Could not register adapter.Check if you enabled enough adapters in dvb-core!\n"); + dev_err(dev, "Could not register adapter. Check if you enabled enough adapters in dvb-core!\n"); return ret; } input->attached = 1; @@ -1241,9 +1266,9 @@ static void input_tasklet(unsigned long data) if (input->port->class == DDB_PORT_TUNER) { if (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr))) - printk(KERN_ERR "Overflow input %d\n", input->nr); + dev_err(&dev->pdev->dev, "Overflow input %d\n", input->nr); while (input->cbuf != ((input->stat >> 11) & 0x1f) - || (4&ddbreadl(DMA_BUFFER_CONTROL(input->nr)))) { + || (4 & safe_ddbreadl(dev, DMA_BUFFER_CONTROL(input->nr)))) { dvb_dmx_swfilter_packets(&input->demux, input->vbuf[input->cbuf], input->dma_buf_size / 188); @@ -1280,6 +1305,7 @@ static struct cxd2099_cfg cxd_cfg = { .adr = 0x40, .polarity = 1, .clock_mode = 1, + .max_i2c = 512, }; static int ddb_ci_attach(struct ddb_port *port) @@ -1310,6 +1336,7 @@ static int ddb_ci_attach(struct ddb_port *port) static int ddb_port_attach(struct ddb_port *port) { + struct device *dev = &port->dev->pdev->dev; int ret = 0; switch (port->class) { @@ -1326,7 +1353,7 @@ static int ddb_port_attach(struct ddb_port *port) break; } if (ret < 0) - printk(KERN_ERR "port_attach on port %d failed\n", port->nr); + dev_err(dev, "port_attach on port %d failed\n", port->nr); return ret; } @@ -1377,6 +1404,7 @@ static void ddb_ports_detach(struct ddb *dev) static int init_xo2(struct ddb_port *port) { struct i2c_adapter *i2c = &port->i2c->adap; + struct device *dev = &port->dev->pdev->dev; u8 val, data[2]; int res; @@ -1385,7 +1413,7 @@ static int init_xo2(struct ddb_port *port) return res; if (data[0] != 0x01) { - pr_info("Port %d: invalid XO2\n", port->nr); + dev_info(dev, "Port %d: invalid XO2\n", port->nr); return -1; } @@ -1511,7 +1539,7 @@ static void ddb_port_probe(struct ddb_port *port) port->class = DDB_PORT_CI; ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING); } else if (port_has_xo2(port, &xo2_type, &xo2_id)) { - printk(KERN_INFO "Port %d (TAB %d): XO2 type: %d, id: %d\n", + dev_dbg(&dev->pdev->dev, "Port %d (TAB %d): XO2 type: %d, id: %d\n", port->nr, port->nr+1, xo2_type, xo2_id); ddbwritel(I2C_SPEED_400, port->i2c->regs + I2C_TIMING); @@ -1556,10 +1584,10 @@ static void ddb_port_probe(struct ddb_port *port) } break; case DDB_XO2_TYPE_CI: - printk(KERN_INFO "DuoFlex CI modules not supported\n"); + dev_info(&dev->pdev->dev, "DuoFlex CI modules not supported\n"); break; default: - printk(KERN_INFO "Unknown XO2 DuoFlex module\n"); + dev_info(&dev->pdev->dev, "Unknown XO2 DuoFlex module\n"); break; } } else if (port_has_cxd28xx(port, &cxd_id)) { @@ -1611,7 +1639,7 @@ static void ddb_port_probe(struct ddb_port *port) ddbwritel(I2C_SPEED_100, port->i2c->regs + I2C_TIMING); } - printk(KERN_INFO "Port %d (TAB %d): %s\n", + dev_info(&dev->pdev->dev, "Port %d (TAB %d): %s\n", port->nr, port->nr+1, modname); } @@ -1765,7 +1793,7 @@ static int flashio(struct ddb *dev, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen) wbuf += 4; wlen -= 4; ddbwritel(data, SPI_DATA); - while (ddbreadl(SPI_CONTROL) & 0x0004) + while (safe_ddbreadl(dev, SPI_CONTROL) & 0x0004) ; } @@ -1785,7 +1813,7 @@ static int flashio(struct ddb *dev, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen) if (shift) data <<= shift; ddbwritel(data, SPI_DATA); - while (ddbreadl(SPI_CONTROL) & 0x0004) + while (safe_ddbreadl(dev, SPI_CONTROL) & 0x0004) ; if (!rlen) { @@ -1797,7 +1825,7 @@ static int flashio(struct ddb *dev, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen) while (rlen > 4) { ddbwritel(0xffffffff, SPI_DATA); - while (ddbreadl(SPI_CONTROL) & 0x0004) + while (safe_ddbreadl(dev, SPI_CONTROL) & 0x0004) ; data = ddbreadl(SPI_DATA); *(u32 *) rbuf = swab32(data); @@ -1806,7 +1834,7 @@ static int flashio(struct ddb *dev, u8 *wbuf, u32 wlen, u8 *rbuf, u32 rlen) } ddbwritel(0x0003 | ((rlen << (8 + 3)) & 0x1F00), SPI_CONTROL); ddbwritel(0xffffffff, SPI_DATA); - while (ddbreadl(SPI_CONTROL) & 0x0004) + while (safe_ddbreadl(dev, SPI_CONTROL) & 0x0004) ; data = ddbreadl(SPI_DATA); @@ -1993,7 +2021,7 @@ static int ddb_probe(struct pci_dev *pdev, const struct pci_device_id *id) dev->pdev = pdev; pci_set_drvdata(pdev, dev); dev->info = (struct ddb_info *) id->driver_data; - printk(KERN_INFO "DDBridge driver detected: %s\n", dev->info->name); + dev_info(&pdev->dev, "Detected %s\n", dev->info->name); dev->regs = ioremap(pci_resource_start(dev->pdev, 0), pci_resource_len(dev->pdev, 0)); @@ -2001,13 +2029,13 @@ static int ddb_probe(struct pci_dev *pdev, const struct pci_device_id *id) stat = -ENOMEM; goto fail; } - printk(KERN_INFO "HW %08x FW %08x\n", ddbreadl(0), ddbreadl(4)); + dev_info(&pdev->dev, "HW %08x FW %08x\n", ddbreadl(0), ddbreadl(4)); #ifdef CONFIG_PCI_MSI if (pci_msi_enabled()) stat = pci_enable_msi(dev->pdev); if (stat) { - printk(KERN_INFO ": MSI not available.\n"); + dev_info(&pdev->dev, "MSI not available.\n"); } else { irq_flag = 0; dev->msi = 1; @@ -2040,7 +2068,7 @@ static int ddb_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto fail1; ddb_ports_init(dev); if (ddb_buffers_alloc(dev) < 0) { - printk(KERN_INFO ": Could not allocate buffer memory\n"); + dev_err(&pdev->dev, "Could not allocate buffer memory\n"); goto fail2; } if (ddb_ports_attach(dev) < 0) @@ -2050,19 +2078,19 @@ static int ddb_probe(struct pci_dev *pdev, const struct pci_device_id *id) fail3: ddb_ports_detach(dev); - printk(KERN_ERR "fail3\n"); + dev_err(&pdev->dev, "fail3\n"); ddb_ports_release(dev); fail2: - printk(KERN_ERR "fail2\n"); + dev_err(&pdev->dev, "fail2\n"); ddb_buffers_free(dev); fail1: - printk(KERN_ERR "fail1\n"); + dev_err(&pdev->dev, "fail1\n"); if (dev->msi) pci_disable_msi(dev->pdev); if (stat == 0) free_irq(dev->pdev->irq, dev); fail: - printk(KERN_ERR "fail\n"); + dev_err(&pdev->dev, "fail\n"); ddb_unmap(dev); pci_set_drvdata(pdev, NULL); pci_disable_device(pdev); @@ -2242,7 +2270,7 @@ static __init int module_init_ddbridge(void) { int ret; - printk(KERN_INFO "Digital Devices PCIE bridge driver, Copyright (C) 2010-11 Digital Devices GmbH\n"); + pr_info("Digital Devices PCIE bridge driver, Copyright (C) 2010-11 Digital Devices GmbH\n"); ret = ddb_class_create(); if (ret < 0) diff --git a/drivers/media/pci/ngene/ngene-core.c b/drivers/media/pci/ngene/ngene-core.c index ce69e648b663..8c92cb7f7e72 100644 --- a/drivers/media/pci/ngene/ngene-core.c +++ b/drivers/media/pci/ngene/ngene-core.c @@ -336,9 +336,9 @@ int ngene_command(struct ngene *dev, struct ngene_command *com) { int result; - down(&dev->cmd_mutex); + mutex_lock(&dev->cmd_mutex); result = ngene_command_mutex(dev, com); - up(&dev->cmd_mutex); + mutex_unlock(&dev->cmd_mutex); return result; } @@ -560,7 +560,6 @@ static int ngene_command_stream_control(struct ngene *dev, u8 stream, u16 BsSPI = ((stream & 1) ? 0x9800 : 0x9700); u16 BsSDO = 0x9B00; - down(&dev->stream_mutex); memset(&com, 0, sizeof(com)); com.cmd.hdr.Opcode = CMD_CONTROL; com.cmd.hdr.Length = sizeof(struct FW_STREAM_CONTROL) - 2; @@ -586,17 +585,13 @@ static int ngene_command_stream_control(struct ngene *dev, u8 stream, chan->State = KSSTATE_ACQUIRE; chan->HWState = HWSTATE_STOP; spin_unlock_irq(&chan->state_lock); - if (ngene_command(dev, &com) < 0) { - up(&dev->stream_mutex); + if (ngene_command(dev, &com) < 0) return -1; - } /* clear_buffers(chan); */ flush_buffers(chan); - up(&dev->stream_mutex); return 0; } spin_unlock_irq(&chan->state_lock); - up(&dev->stream_mutex); return 0; } @@ -692,11 +687,9 @@ static int ngene_command_stream_control(struct ngene *dev, u8 stream, chan->HWState = HWSTATE_STARTUP; spin_unlock_irq(&chan->state_lock); - if (ngene_command(dev, &com) < 0) { - up(&dev->stream_mutex); + if (ngene_command(dev, &com) < 0) return -1; - } - up(&dev->stream_mutex); + return 0; } @@ -750,8 +743,11 @@ void set_transfer(struct ngene_channel *chan, int state) /* else printk(KERN_INFO DEVICE_NAME ": lock=%08x\n", ngreadl(0x9310)); */ + mutex_lock(&dev->stream_mutex); ret = ngene_command_stream_control(dev, chan->number, control, mode, flags); + mutex_unlock(&dev->stream_mutex); + if (!ret) chan->running = state; else @@ -1283,7 +1279,7 @@ static int ngene_load_firm(struct ngene *dev) static void ngene_stop(struct ngene *dev) { - down(&dev->cmd_mutex); + mutex_destroy(&dev->cmd_mutex); i2c_del_adapter(&(dev->channel[0].i2c_adapter)); i2c_del_adapter(&(dev->channel[1].i2c_adapter)); ngwritel(0, NGENE_INT_ENABLE); @@ -1346,10 +1342,10 @@ static int ngene_start(struct ngene *dev) init_waitqueue_head(&dev->cmd_wq); init_waitqueue_head(&dev->tx_wq); init_waitqueue_head(&dev->rx_wq); - sema_init(&dev->cmd_mutex, 1); - sema_init(&dev->stream_mutex, 1); + mutex_init(&dev->cmd_mutex); + mutex_init(&dev->stream_mutex); sema_init(&dev->pll_mutex, 1); - sema_init(&dev->i2c_switch_mutex, 1); + mutex_init(&dev->i2c_switch_mutex); spin_lock_init(&dev->cmd_lock); for (i = 0; i < MAX_STREAM; i++) spin_lock_init(&dev->channel[i].state_lock); @@ -1606,10 +1602,10 @@ static void ngene_unlink(struct ngene *dev) com.in_len = 3; com.out_len = 1; - down(&dev->cmd_mutex); + mutex_lock(&dev->cmd_mutex); ngwritel(0, NGENE_INT_ENABLE); ngene_command_mutex(dev, &com); - up(&dev->cmd_mutex); + mutex_unlock(&dev->cmd_mutex); } void ngene_shutdown(struct pci_dev *pdev) diff --git a/drivers/media/pci/ngene/ngene-i2c.c b/drivers/media/pci/ngene/ngene-i2c.c index cf39fcf54adf..fbf36353c701 100644 --- a/drivers/media/pci/ngene/ngene-i2c.c +++ b/drivers/media/pci/ngene/ngene-i2c.c @@ -118,7 +118,7 @@ static int ngene_i2c_master_xfer(struct i2c_adapter *adapter, (struct ngene_channel *)i2c_get_adapdata(adapter); struct ngene *dev = chan->dev; - down(&dev->i2c_switch_mutex); + mutex_lock(&dev->i2c_switch_mutex); ngene_i2c_set_bus(dev, chan->number); if (num == 2 && msg[1].flags & I2C_M_RD && !(msg[0].flags & I2C_M_RD)) @@ -136,11 +136,11 @@ static int ngene_i2c_master_xfer(struct i2c_adapter *adapter, msg[0].buf, msg[0].len, 0)) goto done; - up(&dev->i2c_switch_mutex); + mutex_unlock(&dev->i2c_switch_mutex); return -EIO; done: - up(&dev->i2c_switch_mutex); + mutex_unlock(&dev->i2c_switch_mutex); return num; } diff --git a/drivers/media/pci/ngene/ngene.h b/drivers/media/pci/ngene/ngene.h index 10d8f74c4f0a..7c7cd217333d 100644 --- a/drivers/media/pci/ngene/ngene.h +++ b/drivers/media/pci/ngene/ngene.h @@ -762,10 +762,10 @@ struct ngene { wait_queue_head_t cmd_wq; int cmd_done; - struct semaphore cmd_mutex; - struct semaphore stream_mutex; + struct mutex cmd_mutex; + struct mutex stream_mutex; struct semaphore pll_mutex; - struct semaphore i2c_switch_mutex; + struct mutex i2c_switch_mutex; int i2c_current_channel; int i2c_current_bus; spinlock_t cmd_lock; diff --git a/drivers/media/pci/tw5864/tw5864-video.c b/drivers/media/pci/tw5864/tw5864-video.c index 2a044be729da..e7bd2b8484e3 100644 --- a/drivers/media/pci/tw5864/tw5864-video.c +++ b/drivers/media/pci/tw5864/tw5864-video.c @@ -545,6 +545,7 @@ static int tw5864_fmt_vid_cap(struct file *file, void *priv, switch (input->std) { default: WARN_ON_ONCE(1); + return -EINVAL; case STD_NTSC: f->fmt.pix.height = 480; break; diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index 1313cd533436..fb1fa0b82077 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -475,8 +475,8 @@ config VIDEO_QCOM_VENUS tristate "Qualcomm Venus V4L2 encoder/decoder driver" depends on VIDEO_DEV && VIDEO_V4L2 && HAS_DMA depends on (ARCH_QCOM && IOMMU_DMA) || COMPILE_TEST - select QCOM_MDT_LOADER if (ARM || ARM64) - select QCOM_SCM if (ARM || ARM64) + select QCOM_MDT_LOADER if ARCH_QCOM + select QCOM_SCM if ARCH_QCOM select VIDEOBUF2_DMA_SG select V4L2_MEM2MEM_DEV ---help--- diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c index 25cbf9e5ac5a..bba1eb43b5d8 100644 --- a/drivers/media/platform/coda/coda-bit.c +++ b/drivers/media/platform/coda/coda-bit.c @@ -393,8 +393,8 @@ static int coda_alloc_framebuffers(struct coda_ctx *ctx, int ret; int i; - if (ctx->codec && (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 || - ctx->codec->dst_fourcc == V4L2_PIX_FMT_H264)) { + if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264 || + ctx->codec->dst_fourcc == V4L2_PIX_FMT_H264) { width = round_up(q_data->width, 16); height = round_up(q_data->height, 16); } else { @@ -2198,7 +2198,7 @@ static void coda_finish_decode(struct coda_ctx *ctx) ctx->display_idx = display_idx; } -static void coda_error_decode(struct coda_ctx *ctx) +static void coda_decode_timeout(struct coda_ctx *ctx) { struct vb2_v4l2_buffer *dst_buf; @@ -2223,7 +2223,7 @@ const struct coda_context_ops coda_bit_decode_ops = { .start_streaming = coda_start_decoding, .prepare_run = coda_prepare_decode, .finish_run = coda_finish_decode, - .error_run = coda_error_decode, + .run_timeout = coda_decode_timeout, .seq_end_work = coda_seq_end_work, .release = coda_bit_release, }; diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index f92cc7df58fb..829c7895a98a 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -1164,8 +1164,8 @@ static void coda_pic_run_work(struct work_struct *work) coda_hw_reset(ctx); - if (ctx->ops->error_run) - ctx->ops->error_run(ctx); + if (ctx->ops->run_timeout) + ctx->ops->run_timeout(ctx); } else if (!ctx->aborting) { ctx->ops->finish_run(ctx); } diff --git a/drivers/media/platform/coda/coda.h b/drivers/media/platform/coda/coda.h index 40fe22f0d757..c5f504d8cf67 100644 --- a/drivers/media/platform/coda/coda.h +++ b/drivers/media/platform/coda/coda.h @@ -183,7 +183,7 @@ struct coda_context_ops { int (*start_streaming)(struct coda_ctx *ctx); int (*prepare_run)(struct coda_ctx *ctx); void (*finish_run)(struct coda_ctx *ctx); - void (*error_run)(struct coda_ctx *ctx); + void (*run_timeout)(struct coda_ctx *ctx); void (*seq_end_work)(struct work_struct *work); void (*release)(struct coda_ctx *ctx); }; diff --git a/drivers/media/platform/davinci/ccdc_hw_device.h b/drivers/media/platform/davinci/ccdc_hw_device.h index 8f6688a7a111..f1b521045d64 100644 --- a/drivers/media/platform/davinci/ccdc_hw_device.h +++ b/drivers/media/platform/davinci/ccdc_hw_device.h @@ -42,16 +42,6 @@ struct ccdc_hw_ops { int (*set_hw_if_params) (struct vpfe_hw_if_param *param); /* get interface parameters */ int (*get_hw_if_params) (struct vpfe_hw_if_param *param); - /* - * Pointer to function to set parameters. Used - * for implementing VPFE_S_CCDC_PARAMS - */ - int (*set_params) (void *params); - /* - * Pointer to function to get parameter. Used - * for implementing VPFE_G_CCDC_PARAMS - */ - int (*get_params) (void *params); /* Pointer to function to configure ccdc */ int (*configure) (void); diff --git a/drivers/media/platform/davinci/dm355_ccdc.c b/drivers/media/platform/davinci/dm355_ccdc.c index 73db166dc338..6d492dc4c3a9 100644 --- a/drivers/media/platform/davinci/dm355_ccdc.c +++ b/drivers/media/platform/davinci/dm355_ccdc.c @@ -17,12 +17,7 @@ * This module is for configuring DM355 CCD controller of VPFE to capture * Raw yuv or Bayer RGB data from a decoder. CCDC has several modules * such as Defect Pixel Correction, Color Space Conversion etc to - * pre-process the Bayer RGB data, before writing it to SDRAM. This - * module also allows application to configure individual - * module parameters through VPFE_CMD_S_CCDC_RAW_PARAMS IOCTL. - * To do so, application include dm355_ccdc.h and vpfe_capture.h header - * files. The setparams() API is called by vpfe_capture driver - * to configure module parameters + * pre-process the Bayer RGB data, before writing it to SDRAM. * * TODO: 1) Raw bayer parameter settings and bayer capture * 2) Split module parameter structure to module specific ioctl structs @@ -260,90 +255,6 @@ static void ccdc_setwin(struct v4l2_rect *image_win, dev_dbg(ccdc_cfg.dev, "\nEnd of ccdc_setwin..."); } -static int validate_ccdc_param(struct ccdc_config_params_raw *ccdcparam) -{ - if (ccdcparam->datasft < CCDC_DATA_NO_SHIFT || - ccdcparam->datasft > CCDC_DATA_SHIFT_6BIT) { - dev_dbg(ccdc_cfg.dev, "Invalid value of data shift\n"); - return -EINVAL; - } - - if (ccdcparam->mfilt1 < CCDC_NO_MEDIAN_FILTER1 || - ccdcparam->mfilt1 > CCDC_MEDIAN_FILTER1) { - dev_dbg(ccdc_cfg.dev, "Invalid value of median filter1\n"); - return -EINVAL; - } - - if (ccdcparam->mfilt2 < CCDC_NO_MEDIAN_FILTER2 || - ccdcparam->mfilt2 > CCDC_MEDIAN_FILTER2) { - dev_dbg(ccdc_cfg.dev, "Invalid value of median filter2\n"); - return -EINVAL; - } - - if ((ccdcparam->med_filt_thres < 0) || - (ccdcparam->med_filt_thres > CCDC_MED_FILT_THRESH)) { - dev_dbg(ccdc_cfg.dev, - "Invalid value of median filter threshold\n"); - return -EINVAL; - } - - if (ccdcparam->data_sz < CCDC_DATA_16BITS || - ccdcparam->data_sz > CCDC_DATA_8BITS) { - dev_dbg(ccdc_cfg.dev, "Invalid value of data size\n"); - return -EINVAL; - } - - if (ccdcparam->alaw.enable) { - if (ccdcparam->alaw.gamma_wd < CCDC_GAMMA_BITS_13_4 || - ccdcparam->alaw.gamma_wd > CCDC_GAMMA_BITS_09_0) { - dev_dbg(ccdc_cfg.dev, "Invalid value of ALAW\n"); - return -EINVAL; - } - } - - if (ccdcparam->blk_clamp.b_clamp_enable) { - if (ccdcparam->blk_clamp.sample_pixel < CCDC_SAMPLE_1PIXELS || - ccdcparam->blk_clamp.sample_pixel > CCDC_SAMPLE_16PIXELS) { - dev_dbg(ccdc_cfg.dev, - "Invalid value of sample pixel\n"); - return -EINVAL; - } - if (ccdcparam->blk_clamp.sample_ln < CCDC_SAMPLE_1LINES || - ccdcparam->blk_clamp.sample_ln > CCDC_SAMPLE_16LINES) { - dev_dbg(ccdc_cfg.dev, - "Invalid value of sample lines\n"); - return -EINVAL; - } - } - return 0; -} - -/* Parameter operations */ -static int ccdc_set_params(void __user *params) -{ - struct ccdc_config_params_raw ccdc_raw_params; - int x; - - /* only raw module parameters can be set through the IOCTL */ - if (ccdc_cfg.if_type != VPFE_RAW_BAYER) - return -EINVAL; - - x = copy_from_user(&ccdc_raw_params, params, sizeof(ccdc_raw_params)); - if (x) { - dev_dbg(ccdc_cfg.dev, "ccdc_set_params: error in copying ccdcparams, %d\n", - x); - return -EFAULT; - } - - if (!validate_ccdc_param(&ccdc_raw_params)) { - memcpy(&ccdc_cfg.bayer.config_params, - &ccdc_raw_params, - sizeof(ccdc_raw_params)); - return 0; - } - return -EINVAL; -} - /* This function will configure CCDC for YCbCr video capture */ static void ccdc_config_ycbcr(void) { @@ -939,7 +850,6 @@ static struct ccdc_hw_device ccdc_hw_dev = { .enable = ccdc_enable, .enable_out_to_sdram = ccdc_enable_output_to_sdram, .set_hw_if_params = ccdc_set_hw_if_params, - .set_params = ccdc_set_params, .configure = ccdc_configure, .set_buftype = ccdc_set_buftype, .get_buftype = ccdc_get_buftype, diff --git a/drivers/media/platform/davinci/dm644x_ccdc.c b/drivers/media/platform/davinci/dm644x_ccdc.c index 740fbc7a8c14..3b2d8a9317b8 100644 --- a/drivers/media/platform/davinci/dm644x_ccdc.c +++ b/drivers/media/platform/davinci/dm644x_ccdc.c @@ -17,13 +17,9 @@ * This module is for configuring CCD controller of DM6446 VPFE to capture * Raw yuv or Bayer RGB data from a decoder. CCDC has several modules * such as Defect Pixel Correction, Color Space Conversion etc to - * pre-process the Raw Bayer RGB data, before writing it to SDRAM. This - * module also allows application to configure individual - * module parameters through VPFE_CMD_S_CCDC_RAW_PARAMS IOCTL. - * To do so, application includes dm644x_ccdc.h and vpfe_capture.h header - * files. The setparams() API is called by vpfe_capture driver - * to configure module parameters. This file is named DM644x so that other - * variants such DM6443 may be supported using the same module. + * pre-process the Raw Bayer RGB data, before writing it to SDRAM. + * This file is named DM644x so that other variants such DM6443 + * may be supported using the same module. * * TODO: Test Raw bayer parameter settings and bayer capture * Split module parameter structure to module specific ioctl structs @@ -216,96 +212,8 @@ static void ccdc_readregs(void) dev_notice(ccdc_cfg.dev, "\nReading 0x%x to VERT_LINES...\n", val); } -static int validate_ccdc_param(struct ccdc_config_params_raw *ccdcparam) -{ - if (ccdcparam->alaw.enable) { - u8 max_gamma = ccdc_gamma_width_max_bit(ccdcparam->alaw.gamma_wd); - u8 max_data = ccdc_data_size_max_bit(ccdcparam->data_sz); - - if ((ccdcparam->alaw.gamma_wd > CCDC_GAMMA_BITS_09_0) || - (ccdcparam->alaw.gamma_wd < CCDC_GAMMA_BITS_15_6) || - (max_gamma > max_data)) { - dev_dbg(ccdc_cfg.dev, "\nInvalid data line select"); - return -1; - } - } - return 0; -} - -static int ccdc_update_raw_params(struct ccdc_config_params_raw *raw_params) -{ - struct ccdc_config_params_raw *config_params = - &ccdc_cfg.bayer.config_params; - unsigned int *fpc_virtaddr = NULL; - unsigned int *fpc_physaddr = NULL; - - memcpy(config_params, raw_params, sizeof(*raw_params)); - /* - * allocate memory for fault pixel table and copy the user - * values to the table - */ - if (!config_params->fault_pxl.enable) - return 0; - - fpc_physaddr = (unsigned int *)config_params->fault_pxl.fpc_table_addr; - fpc_virtaddr = (unsigned int *)phys_to_virt( - (unsigned long)fpc_physaddr); - /* - * Allocate memory for FPC table if current - * FPC table buffer is not big enough to - * accommodate FPC Number requested - */ - if (raw_params->fault_pxl.fp_num != config_params->fault_pxl.fp_num) { - if (fpc_physaddr != NULL) { - free_pages((unsigned long)fpc_virtaddr, - get_order - (config_params->fault_pxl.fp_num * - FP_NUM_BYTES)); - } - - /* Allocate memory for FPC table */ - fpc_virtaddr = - (unsigned int *)__get_free_pages(GFP_KERNEL | GFP_DMA, - get_order(raw_params-> - fault_pxl.fp_num * - FP_NUM_BYTES)); - - if (fpc_virtaddr == NULL) { - dev_dbg(ccdc_cfg.dev, - "\nUnable to allocate memory for FPC"); - return -EFAULT; - } - fpc_physaddr = - (unsigned int *)virt_to_phys((void *)fpc_virtaddr); - } - - /* Copy number of fault pixels and FPC table */ - config_params->fault_pxl.fp_num = raw_params->fault_pxl.fp_num; - if (copy_from_user(fpc_virtaddr, - (void __user *)raw_params->fault_pxl.fpc_table_addr, - config_params->fault_pxl.fp_num * FP_NUM_BYTES)) { - dev_dbg(ccdc_cfg.dev, "\n copy_from_user failed"); - return -EFAULT; - } - config_params->fault_pxl.fpc_table_addr = (unsigned long)fpc_physaddr; - return 0; -} - static int ccdc_close(struct device *dev) { - struct ccdc_config_params_raw *config_params = - &ccdc_cfg.bayer.config_params; - unsigned int *fpc_physaddr = NULL, *fpc_virtaddr = NULL; - - fpc_physaddr = (unsigned int *)config_params->fault_pxl.fpc_table_addr; - - if (fpc_physaddr != NULL) { - fpc_virtaddr = (unsigned int *) - phys_to_virt((unsigned long)fpc_physaddr); - free_pages((unsigned long)fpc_virtaddr, - get_order(config_params->fault_pxl.fp_num * - FP_NUM_BYTES)); - } return 0; } @@ -339,29 +247,6 @@ static void ccdc_sbl_reset(void) vpss_clear_wbl_overflow(VPSS_PCR_CCDC_WBL_O); } -/* Parameter operations */ -static int ccdc_set_params(void __user *params) -{ - struct ccdc_config_params_raw ccdc_raw_params; - int x; - - if (ccdc_cfg.if_type != VPFE_RAW_BAYER) - return -EINVAL; - - x = copy_from_user(&ccdc_raw_params, params, sizeof(ccdc_raw_params)); - if (x) { - dev_dbg(ccdc_cfg.dev, "ccdc_set_params: error in copyingccdc params, %d\n", - x); - return -EFAULT; - } - - if (!validate_ccdc_param(&ccdc_raw_params)) { - if (!ccdc_update_raw_params(&ccdc_raw_params)) - return 0; - } - return -EINVAL; -} - /* * ccdc_config_ycbcr() * This function will configure CCDC for YCbCr video capture @@ -489,32 +374,6 @@ static void ccdc_config_black_compense(struct ccdc_black_compensation *bcomp) regw(val, CCDC_BLKCMP); } -static void ccdc_config_fpc(struct ccdc_fault_pixel *fpc) -{ - u32 val; - - /* Initially disable FPC */ - val = CCDC_FPC_DISABLE; - regw(val, CCDC_FPC); - - if (!fpc->enable) - return; - - /* Configure Fault pixel if needed */ - regw(fpc->fpc_table_addr, CCDC_FPC_ADDR); - dev_dbg(ccdc_cfg.dev, "\nWriting 0x%lx to FPC_ADDR...\n", - (fpc->fpc_table_addr)); - /* Write the FPC params with FPC disable */ - val = fpc->fp_num & CCDC_FPC_FPC_NUM_MASK; - regw(val, CCDC_FPC); - - dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FPC...\n", val); - /* read the FPC register */ - val = regr(CCDC_FPC) | CCDC_FPC_ENABLE; - regw(val, CCDC_FPC); - dev_dbg(ccdc_cfg.dev, "\nWriting 0x%x to FPC...\n", val); -} - /* * ccdc_config_raw() * This function will configure CCDC for Raw capture mode @@ -569,9 +428,6 @@ static void ccdc_config_raw(void) /* Configure Black level compensation */ ccdc_config_black_compense(&config_params->blk_comp); - /* Configure Fault Pixel Correction */ - ccdc_config_fpc(&config_params->fault_pxl); - /* If data size is 8 bit then pack the data */ if ((config_params->data_sz == CCDC_DATA_8BITS) || config_params->alaw.enable) @@ -929,7 +785,6 @@ static struct ccdc_hw_device ccdc_hw_dev = { .reset = ccdc_sbl_reset, .enable = ccdc_enable, .set_hw_if_params = ccdc_set_hw_if_params, - .set_params = ccdc_set_params, .configure = ccdc_configure, .set_buftype = ccdc_set_buftype, .get_buftype = ccdc_get_buftype, diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c index e3fe3e0635aa..b1bf4a7e8eb7 100644 --- a/drivers/media/platform/davinci/vpfe_capture.c +++ b/drivers/media/platform/davinci/vpfe_capture.c @@ -281,45 +281,6 @@ void vpfe_unregister_ccdc_device(struct ccdc_hw_device *dev) EXPORT_SYMBOL(vpfe_unregister_ccdc_device); /* - * vpfe_get_ccdc_image_format - Get image parameters based on CCDC settings - */ -static int vpfe_get_ccdc_image_format(struct vpfe_device *vpfe_dev, - struct v4l2_format *f) -{ - struct v4l2_rect image_win; - enum ccdc_buftype buf_type; - enum ccdc_frmfmt frm_fmt; - - memset(f, 0, sizeof(*f)); - f->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - ccdc_dev->hw_ops.get_image_window(&image_win); - f->fmt.pix.width = image_win.width; - f->fmt.pix.height = image_win.height; - f->fmt.pix.bytesperline = ccdc_dev->hw_ops.get_line_length(); - f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * - f->fmt.pix.height; - buf_type = ccdc_dev->hw_ops.get_buftype(); - f->fmt.pix.pixelformat = ccdc_dev->hw_ops.get_pixel_format(); - frm_fmt = ccdc_dev->hw_ops.get_frame_format(); - if (frm_fmt == CCDC_FRMFMT_PROGRESSIVE) - f->fmt.pix.field = V4L2_FIELD_NONE; - else if (frm_fmt == CCDC_FRMFMT_INTERLACED) { - if (buf_type == CCDC_BUFTYPE_FLD_INTERLEAVED) - f->fmt.pix.field = V4L2_FIELD_INTERLACED; - else if (buf_type == CCDC_BUFTYPE_FLD_SEPARATED) - f->fmt.pix.field = V4L2_FIELD_SEQ_TB; - else { - v4l2_err(&vpfe_dev->v4l2_dev, "Invalid buf_type\n"); - return -EINVAL; - } - } else { - v4l2_err(&vpfe_dev->v4l2_dev, "Invalid frm_fmt\n"); - return -EINVAL; - } - return 0; -} - -/* * vpfe_config_ccdc_image_format() * For a pix format, configure ccdc to setup the capture */ @@ -1697,59 +1658,6 @@ unlock_out: return ret; } - -static long vpfe_param_handler(struct file *file, void *priv, - bool valid_prio, unsigned int cmd, void *param) -{ - struct vpfe_device *vpfe_dev = video_drvdata(file); - int ret; - - v4l2_dbg(2, debug, &vpfe_dev->v4l2_dev, "vpfe_param_handler\n"); - - if (vpfe_dev->started) { - /* only allowed if streaming is not started */ - v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, - "device already started\n"); - return -EBUSY; - } - - ret = mutex_lock_interruptible(&vpfe_dev->lock); - if (ret) - return ret; - - switch (cmd) { - case VPFE_CMD_S_CCDC_RAW_PARAMS: - v4l2_warn(&vpfe_dev->v4l2_dev, - "VPFE_CMD_S_CCDC_RAW_PARAMS: experimental ioctl\n"); - if (ccdc_dev->hw_ops.set_params) { - ret = ccdc_dev->hw_ops.set_params(param); - if (ret) { - v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, - "Error setting parameters in CCDC\n"); - goto unlock_out; - } - ret = vpfe_get_ccdc_image_format(vpfe_dev, - &vpfe_dev->fmt); - if (ret < 0) { - v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, - "Invalid image format at CCDC\n"); - goto unlock_out; - } - } else { - ret = -EINVAL; - v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, - "VPFE_CMD_S_CCDC_RAW_PARAMS not supported\n"); - } - break; - default: - ret = -ENOTTY; - } -unlock_out: - mutex_unlock(&vpfe_dev->lock); - return ret; -} - - /* vpfe capture ioctl operations */ static const struct v4l2_ioctl_ops vpfe_ioctl_ops = { .vidioc_querycap = vpfe_querycap, @@ -1772,7 +1680,6 @@ static const struct v4l2_ioctl_ops vpfe_ioctl_ops = { .vidioc_cropcap = vpfe_cropcap, .vidioc_g_selection = vpfe_g_selection, .vidioc_s_selection = vpfe_s_selection, - .vidioc_default = vpfe_param_handler, }; static struct vpfe_device *vpfe_initialize(void) diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c index d78580f9e431..4be6554c56c5 100644 --- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -1719,7 +1719,6 @@ vpif_unregister: */ static int vpif_remove(struct platform_device *device) { - struct common_obj *common; struct channel_obj *ch; int i; @@ -1730,7 +1729,6 @@ static int vpif_remove(struct platform_device *device) for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { /* Get the pointer to the channel object */ ch = vpif_obj.dev[i]; - common = &ch->common[VPIF_VIDEO_INDEX]; /* Unregister video device */ video_unregister_device(&ch->video_dev); kfree(vpif_obj.dev[i]); diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index b5ac6ce626b3..bf982bf86542 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -1339,7 +1339,6 @@ vpif_unregister: */ static int vpif_remove(struct platform_device *device) { - struct common_obj *common; struct channel_obj *ch; int i; @@ -1350,7 +1349,6 @@ static int vpif_remove(struct platform_device *device) for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { /* Get the pointer to the channel object */ ch = vpif_obj.dev[i]; - common = &ch->common[VPIF_VIDEO_INDEX]; /* Unregister video device */ video_unregister_device(&ch->video_dev); kfree(vpif_obj.dev[i]); diff --git a/drivers/media/platform/omap/omap_vout_vrfb.c b/drivers/media/platform/omap/omap_vout_vrfb.c index 92c4e1826356..45a553d4f5b2 100644 --- a/drivers/media/platform/omap/omap_vout_vrfb.c +++ b/drivers/media/platform/omap/omap_vout_vrfb.c @@ -16,7 +16,6 @@ #include <media/videobuf-dma-contig.h> #include <media/v4l2-device.h> -#include <linux/omap-dma.h> #include <video/omapvrfb.h> #include "omap_voutdef.h" @@ -63,7 +62,7 @@ static int omap_vout_allocate_vrfb_buffers(struct omap_vout_device *vout, /* * Wakes up the application once the DMA transfer to VRFB space is completed. */ -static void omap_vout_vrfb_dma_tx_callback(int lch, u16 ch_status, void *data) +static void omap_vout_vrfb_dma_tx_callback(void *data) { struct vid_vrfb_dma *t = (struct vid_vrfb_dma *) data; @@ -94,6 +93,7 @@ int omap_vout_setup_vrfb_bufs(struct platform_device *pdev, int vid_num, int ret = 0, i, j; struct omap_vout_device *vout; struct video_device *vfd; + dma_cap_mask_t mask; int image_width, image_height; int vrfb_num_bufs = VRFB_NUM_BUFS; struct v4l2_device *v4l2_dev = platform_get_drvdata(pdev); @@ -131,18 +131,27 @@ int omap_vout_setup_vrfb_bufs(struct platform_device *pdev, int vid_num, /* * Request and Initialize DMA, for DMA based VRFB transfer */ - vout->vrfb_dma_tx.dev_id = OMAP_DMA_NO_DEVICE; - vout->vrfb_dma_tx.dma_ch = -1; - vout->vrfb_dma_tx.req_status = DMA_CHAN_ALLOTED; - ret = omap_request_dma(vout->vrfb_dma_tx.dev_id, "VRFB DMA TX", - omap_vout_vrfb_dma_tx_callback, - (void *) &vout->vrfb_dma_tx, &vout->vrfb_dma_tx.dma_ch); - if (ret < 0) { + dma_cap_zero(mask); + dma_cap_set(DMA_INTERLEAVE, mask); + vout->vrfb_dma_tx.chan = dma_request_chan_by_mask(&mask); + if (IS_ERR(vout->vrfb_dma_tx.chan)) { vout->vrfb_dma_tx.req_status = DMA_CHAN_NOT_ALLOTED; + } else { + size_t xt_size = sizeof(struct dma_interleaved_template) + + sizeof(struct data_chunk); + + vout->vrfb_dma_tx.xt = kzalloc(xt_size, GFP_KERNEL); + if (!vout->vrfb_dma_tx.xt) { + dma_release_channel(vout->vrfb_dma_tx.chan); + vout->vrfb_dma_tx.req_status = DMA_CHAN_NOT_ALLOTED; + } + } + + if (vout->vrfb_dma_tx.req_status == DMA_CHAN_NOT_ALLOTED) dev_info(&pdev->dev, ": failed to allocate DMA Channel for video%d\n", vfd->minor); - } + init_waitqueue_head(&vout->vrfb_dma_tx.wait); /* statically allocated the VRFB buffer is done through @@ -177,7 +186,9 @@ void omap_vout_release_vrfb(struct omap_vout_device *vout) if (vout->vrfb_dma_tx.req_status == DMA_CHAN_ALLOTED) { vout->vrfb_dma_tx.req_status = DMA_CHAN_NOT_ALLOTED; - omap_free_dma(vout->vrfb_dma_tx.dma_ch); + kfree(vout->vrfb_dma_tx.xt); + dmaengine_terminate_sync(vout->vrfb_dma_tx.chan); + dma_release_channel(vout->vrfb_dma_tx.chan); } } @@ -219,70 +230,84 @@ int omap_vout_vrfb_buffer_setup(struct omap_vout_device *vout, } int omap_vout_prepare_vrfb(struct omap_vout_device *vout, - struct videobuf_buffer *vb) + struct videobuf_buffer *vb) { - dma_addr_t dmabuf; - struct vid_vrfb_dma *tx; + struct dma_async_tx_descriptor *tx; + enum dma_ctrl_flags flags; + struct dma_chan *chan = vout->vrfb_dma_tx.chan; + struct dma_device *dmadev = chan->device; + struct dma_interleaved_template *xt = vout->vrfb_dma_tx.xt; + dma_cookie_t cookie; + enum dma_status status; enum dss_rotation rotation; - u32 dest_frame_index = 0, src_element_index = 0; - u32 dest_element_index = 0, src_frame_index = 0; - u32 elem_count = 0, frame_count = 0, pixsize = 2; + size_t dst_icg; + u32 pixsize; if (!is_rotation_enabled(vout)) return 0; - dmabuf = vout->buf_phy_addr[vb->i]; /* If rotation is enabled, copy input buffer into VRFB * memory space using DMA. We are copying input buffer * into VRFB memory space of desired angle and DSS will * read image VRFB memory for 0 degree angle */ + pixsize = vout->bpp * vout->vrfb_bpp; - /* - * DMA transfer in double index mode - */ + dst_icg = ((MAX_PIXELS_PER_LINE * pixsize) - + (vout->pix.width * vout->bpp)) + 1; + + xt->src_start = vout->buf_phy_addr[vb->i]; + xt->dst_start = vout->vrfb_context[vb->i].paddr[0]; + + xt->numf = vout->pix.height; + xt->frame_size = 1; + xt->sgl[0].size = vout->pix.width * vout->bpp; + xt->sgl[0].icg = dst_icg; + + xt->dir = DMA_MEM_TO_MEM; + xt->src_sgl = false; + xt->src_inc = true; + xt->dst_sgl = true; + xt->dst_inc = true; + + tx = dmadev->device_prep_interleaved_dma(chan, xt, flags); + if (tx == NULL) { + pr_err("%s: DMA interleaved prep error\n", __func__); + return -EINVAL; + } - /* Frame index */ - dest_frame_index = ((MAX_PIXELS_PER_LINE * pixsize) - - (vout->pix.width * vout->bpp)) + 1; - - /* Source and destination parameters */ - src_element_index = 0; - src_frame_index = 0; - dest_element_index = 1; - /* Number of elements per frame */ - elem_count = vout->pix.width * vout->bpp; - frame_count = vout->pix.height; - tx = &vout->vrfb_dma_tx; - tx->tx_status = 0; - omap_set_dma_transfer_params(tx->dma_ch, OMAP_DMA_DATA_TYPE_S32, - (elem_count / 4), frame_count, OMAP_DMA_SYNC_ELEMENT, - tx->dev_id, 0x0); - /* src_port required only for OMAP1 */ - omap_set_dma_src_params(tx->dma_ch, 0, OMAP_DMA_AMODE_POST_INC, - dmabuf, src_element_index, src_frame_index); - /*set dma source burst mode for VRFB */ - omap_set_dma_src_burst_mode(tx->dma_ch, OMAP_DMA_DATA_BURST_16); - rotation = calc_rotation(vout); + tx->callback = omap_vout_vrfb_dma_tx_callback; + tx->callback_param = &vout->vrfb_dma_tx; + + cookie = dmaengine_submit(tx); + if (dma_submit_error(cookie)) { + pr_err("%s: dmaengine_submit failed (%d)\n", __func__, cookie); + return -EINVAL; + } - /* dest_port required only for OMAP1 */ - omap_set_dma_dest_params(tx->dma_ch, 0, OMAP_DMA_AMODE_DOUBLE_IDX, - vout->vrfb_context[vb->i].paddr[0], dest_element_index, - dest_frame_index); - /*set dma dest burst mode for VRFB */ - omap_set_dma_dest_burst_mode(tx->dma_ch, OMAP_DMA_DATA_BURST_16); - omap_dma_set_global_params(DMA_DEFAULT_ARB_RATE, 0x20, 0); + vout->vrfb_dma_tx.tx_status = 0; + dma_async_issue_pending(chan); - omap_start_dma(tx->dma_ch); - wait_event_interruptible_timeout(tx->wait, tx->tx_status == 1, + wait_event_interruptible_timeout(vout->vrfb_dma_tx.wait, + vout->vrfb_dma_tx.tx_status == 1, VRFB_TX_TIMEOUT); - if (tx->tx_status == 0) { - omap_stop_dma(tx->dma_ch); + status = dma_async_is_tx_complete(chan, cookie, NULL, NULL); + + if (vout->vrfb_dma_tx.tx_status == 0) { + pr_err("%s: Timeout while waiting for DMA\n", __func__); + dmaengine_terminate_sync(chan); + return -EINVAL; + } else if (status != DMA_COMPLETE) { + pr_err("%s: DMA completion %s status\n", __func__, + status == DMA_ERROR ? "error" : "busy"); + dmaengine_terminate_sync(chan); return -EINVAL; } + /* Store buffers physical address into an array. Addresses * from this array will be used to configure DSS */ + rotation = calc_rotation(vout); vout->queued_buf_addr[vb->i] = (u8 *) vout->vrfb_context[vb->i].paddr[rotation]; return 0; diff --git a/drivers/media/platform/omap/omap_voutdef.h b/drivers/media/platform/omap/omap_voutdef.h index 80c79fabdf95..56b630b1c8b4 100644 --- a/drivers/media/platform/omap/omap_voutdef.h +++ b/drivers/media/platform/omap/omap_voutdef.h @@ -14,6 +14,7 @@ #include <media/v4l2-ctrls.h> #include <video/omapfb_dss.h> #include <video/omapvrfb.h> +#include <linux/dmaengine.h> #define YUYV_BPP 2 #define RGB565_BPP 2 @@ -81,8 +82,9 @@ enum vout_rotaion_type { * for VRFB hidden buffer */ struct vid_vrfb_dma { - int dev_id; - int dma_ch; + struct dma_chan *chan; + struct dma_interleaved_template *xt; + int req_status; int tx_status; wait_queue_head_t wait; diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 776d2bae6979..41eef376eb2d 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -76,7 +76,7 @@ static void venus_sys_error_handler(struct work_struct *work) hfi_core_deinit(core, true); hfi_destroy(core); mutex_lock(&core->lock); - venus_shutdown(&core->dev_fw); + venus_shutdown(core->dev); pm_runtime_put_sync(core->dev); @@ -84,7 +84,7 @@ static void venus_sys_error_handler(struct work_struct *work) pm_runtime_get_sync(core->dev); - ret |= venus_boot(core->dev, &core->dev_fw, core->res->fwname); + ret |= venus_boot(core->dev, core->res->fwname); ret |= hfi_core_resume(core, true); @@ -137,7 +137,7 @@ static int venus_clks_enable(struct venus_core *core) return 0; err: - while (--i) + while (i--) clk_disable_unprepare(core->clks[i]); return ret; @@ -207,7 +207,7 @@ static int venus_probe(struct platform_device *pdev) if (ret < 0) goto err_runtime_disable; - ret = venus_boot(dev, &core->dev_fw, core->res->fwname); + ret = venus_boot(dev, core->res->fwname); if (ret) goto err_runtime_disable; @@ -238,7 +238,7 @@ err_dev_unregister: err_core_deinit: hfi_core_deinit(core, false); err_venus_shutdown: - venus_shutdown(&core->dev_fw); + venus_shutdown(dev); err_runtime_disable: pm_runtime_set_suspended(dev); pm_runtime_disable(dev); @@ -259,7 +259,7 @@ static int venus_remove(struct platform_device *pdev) WARN_ON(ret); hfi_destroy(core); - venus_shutdown(&core->dev_fw); + venus_shutdown(dev); of_platform_depopulate(dev); pm_runtime_put_sync(dev); @@ -270,8 +270,7 @@ static int venus_remove(struct platform_device *pdev) return ret; } -#ifdef CONFIG_PM -static int venus_runtime_suspend(struct device *dev) +static __maybe_unused int venus_runtime_suspend(struct device *dev) { struct venus_core *core = dev_get_drvdata(dev); int ret; @@ -283,7 +282,7 @@ static int venus_runtime_suspend(struct device *dev) return ret; } -static int venus_runtime_resume(struct device *dev) +static __maybe_unused int venus_runtime_resume(struct device *dev) { struct venus_core *core = dev_get_drvdata(dev); int ret; @@ -302,7 +301,6 @@ err_clks_disable: venus_clks_disable(core); return ret; } -#endif static const struct dev_pm_ops venus_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, diff --git a/drivers/media/platform/qcom/venus/core.h b/drivers/media/platform/qcom/venus/core.h index e542700eee32..cba092bcb76d 100644 --- a/drivers/media/platform/qcom/venus/core.h +++ b/drivers/media/platform/qcom/venus/core.h @@ -101,7 +101,6 @@ struct venus_core { struct device *dev; struct device *dev_dec; struct device *dev_enc; - struct device dev_fw; struct mutex lock; struct list_head instances; atomic_t insts_count; diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c index 1b1a4f355918..521d4b36c090 100644 --- a/drivers/media/platform/qcom/venus/firmware.c +++ b/drivers/media/platform/qcom/venus/firmware.c @@ -12,97 +12,87 @@ * */ -#include <linux/dma-mapping.h> +#include <linux/device.h> #include <linux/firmware.h> #include <linux/kernel.h> +#include <linux/io.h> #include <linux/of.h> -#include <linux/of_reserved_mem.h> -#include <linux/slab.h> +#include <linux/of_address.h> #include <linux/qcom_scm.h> +#include <linux/sizes.h> #include <linux/soc/qcom/mdt_loader.h> #include "firmware.h" #define VENUS_PAS_ID 9 -#define VENUS_FW_MEM_SIZE SZ_8M +#define VENUS_FW_MEM_SIZE (6 * SZ_1M) -static void device_release_dummy(struct device *dev) -{ - of_reserved_mem_device_release(dev); -} - -int venus_boot(struct device *parent, struct device *fw_dev, const char *fwname) +int venus_boot(struct device *dev, const char *fwname) { const struct firmware *mdt; + struct device_node *node; phys_addr_t mem_phys; + struct resource r; ssize_t fw_size; size_t mem_size; void *mem_va; int ret; - if (!qcom_scm_is_available()) + if (!IS_ENABLED(CONFIG_QCOM_MDT_LOADER) || !qcom_scm_is_available()) return -EPROBE_DEFER; - fw_dev->parent = parent; - fw_dev->release = device_release_dummy; + node = of_parse_phandle(dev->of_node, "memory-region", 0); + if (!node) { + dev_err(dev, "no memory-region specified\n"); + return -EINVAL; + } - ret = dev_set_name(fw_dev, "%s:%s", dev_name(parent), "firmware"); + ret = of_address_to_resource(node, 0, &r); if (ret) return ret; - ret = device_register(fw_dev); - if (ret < 0) - return ret; + mem_phys = r.start; + mem_size = resource_size(&r); - ret = of_reserved_mem_device_init_by_idx(fw_dev, parent->of_node, 0); - if (ret) - goto err_unreg_device; + if (mem_size < VENUS_FW_MEM_SIZE) + return -EINVAL; - mem_size = VENUS_FW_MEM_SIZE; - - mem_va = dmam_alloc_coherent(fw_dev, mem_size, &mem_phys, GFP_KERNEL); + mem_va = memremap(r.start, mem_size, MEMREMAP_WC); if (!mem_va) { - ret = -ENOMEM; - goto err_unreg_device; + dev_err(dev, "unable to map memory region: %pa+%zx\n", + &r.start, mem_size); + return -ENOMEM; } - ret = request_firmware(&mdt, fwname, fw_dev); + ret = request_firmware(&mdt, fwname, dev); if (ret < 0) - goto err_unreg_device; + goto err_unmap; fw_size = qcom_mdt_get_size(mdt); if (fw_size < 0) { ret = fw_size; release_firmware(mdt); - goto err_unreg_device; + goto err_unmap; } - ret = qcom_mdt_load(fw_dev, mdt, fwname, VENUS_PAS_ID, mem_va, mem_phys, + ret = qcom_mdt_load(dev, mdt, fwname, VENUS_PAS_ID, mem_va, mem_phys, mem_size); release_firmware(mdt); if (ret) - goto err_unreg_device; + goto err_unmap; ret = qcom_scm_pas_auth_and_reset(VENUS_PAS_ID); if (ret) - goto err_unreg_device; - - return 0; + goto err_unmap; -err_unreg_device: - device_unregister(fw_dev); +err_unmap: + memunmap(mem_va); return ret; } -int venus_shutdown(struct device *fw_dev) +int venus_shutdown(struct device *dev) { - int ret; - - ret = qcom_scm_pas_shutdown(VENUS_PAS_ID); - device_unregister(fw_dev); - memset(fw_dev, 0, sizeof(*fw_dev)); - - return ret; + return qcom_scm_pas_shutdown(VENUS_PAS_ID); } diff --git a/drivers/media/platform/qcom/venus/firmware.h b/drivers/media/platform/qcom/venus/firmware.h index f81a98979798..428efb56d339 100644 --- a/drivers/media/platform/qcom/venus/firmware.h +++ b/drivers/media/platform/qcom/venus/firmware.h @@ -16,8 +16,7 @@ struct device; -int venus_boot(struct device *parent, struct device *fw_dev, - const char *fwname); -int venus_shutdown(struct device *fw_dev); +int venus_boot(struct device *dev, const char *fwname); +int venus_shutdown(struct device *dev); #endif diff --git a/drivers/media/platform/qcom/venus/hfi_msgs.c b/drivers/media/platform/qcom/venus/hfi_msgs.c index f8841713e417..a681ae5381d6 100644 --- a/drivers/media/platform/qcom/venus/hfi_msgs.c +++ b/drivers/media/platform/qcom/venus/hfi_msgs.c @@ -239,11 +239,12 @@ static void hfi_sys_init_done(struct venus_core *core, struct venus_inst *inst, break; } - if (!error) { - rem_bytes -= read_bytes; - data += read_bytes; - num_properties--; - } + if (error) + break; + + rem_bytes -= read_bytes; + data += read_bytes; + num_properties--; } err_no_prop: diff --git a/drivers/media/platform/sti/bdisp/bdisp-debug.c b/drivers/media/platform/sti/bdisp/bdisp-debug.c index 7af66860d624..2cc289e4dea1 100644 --- a/drivers/media/platform/sti/bdisp/bdisp-debug.c +++ b/drivers/media/platform/sti/bdisp/bdisp-debug.c @@ -104,7 +104,7 @@ static void bdisp_dbg_dump_ins(struct seq_file *s, u32 val) if (val & BLT_INS_IRQ) seq_puts(s, "IRQ - "); - seq_puts(s, "\n"); + seq_putc(s, '\n'); } static void bdisp_dbg_dump_tty(struct seq_file *s, u32 val) @@ -153,7 +153,7 @@ static void bdisp_dbg_dump_tty(struct seq_file *s, u32 val) if (val & BLT_TTY_BIG_END) seq_puts(s, "BigEndian - "); - seq_puts(s, "\n"); + seq_putc(s, '\n'); } static void bdisp_dbg_dump_xy(struct seq_file *s, u32 val, char *name) @@ -230,7 +230,7 @@ static void bdisp_dbg_dump_sty(struct seq_file *s, seq_puts(s, "BigEndian - "); done: - seq_puts(s, "\n"); + seq_putc(s, '\n'); } static void bdisp_dbg_dump_fctl(struct seq_file *s, u32 val) @@ -247,7 +247,7 @@ static void bdisp_dbg_dump_fctl(struct seq_file *s, u32 val) else if ((val & BLT_FCTL_HV_SCALE) == BLT_FCTL_HV_SAMPLE) seq_puts(s, "Sample Chroma"); - seq_puts(s, "\n"); + seq_putc(s, '\n'); } static void bdisp_dbg_dump_rsf(struct seq_file *s, u32 val, char *name) @@ -266,7 +266,7 @@ static void bdisp_dbg_dump_rsf(struct seq_file *s, u32 val, char *name) seq_printf(s, "V: %d(6.10) / scale~%dx0.1", inc, 1024 * 10 / inc); done: - seq_puts(s, "\n"); + seq_putc(s, '\n'); } static void bdisp_dbg_dump_rzi(struct seq_file *s, u32 val, char *name) @@ -281,7 +281,7 @@ static void bdisp_dbg_dump_rzi(struct seq_file *s, u32 val, char *name) seq_printf(s, "V: init=%d repeat=%d", val & 0x3FF, (val >> 12) & 7); done: - seq_puts(s, "\n"); + seq_putc(s, '\n'); } static void bdisp_dbg_dump_ivmx(struct seq_file *s, @@ -293,7 +293,7 @@ static void bdisp_dbg_dump_ivmx(struct seq_file *s, seq_printf(s, "IVMX3\t0x%08X\t", c3); if (!c0 && !c1 && !c2 && !c3) { - seq_puts(s, "\n"); + seq_putc(s, '\n'); return; } diff --git a/drivers/media/platform/vimc/vimc-capture.c b/drivers/media/platform/vimc/vimc-capture.c index 14cb32e21130..88a1e5670c72 100644 --- a/drivers/media/platform/vimc/vimc-capture.c +++ b/drivers/media/platform/vimc/vimc-capture.c @@ -517,21 +517,22 @@ static int vimc_cap_remove(struct platform_device *pdev) return 0; } +static const struct platform_device_id vimc_cap_driver_ids[] = { + { + .name = VIMC_CAP_DRV_NAME, + }, + { } +}; + static struct platform_driver vimc_cap_pdrv = { .probe = vimc_cap_probe, .remove = vimc_cap_remove, + .id_table = vimc_cap_driver_ids, .driver = { .name = VIMC_CAP_DRV_NAME, }, }; -static const struct platform_device_id vimc_cap_driver_ids[] = { - { - .name = VIMC_CAP_DRV_NAME, - }, - { } -}; - module_platform_driver(vimc_cap_pdrv); MODULE_DEVICE_TABLE(platform, vimc_cap_driver_ids); diff --git a/drivers/media/platform/vimc/vimc-debayer.c b/drivers/media/platform/vimc/vimc-debayer.c index 35b15bd4d61d..033a131f67af 100644 --- a/drivers/media/platform/vimc/vimc-debayer.c +++ b/drivers/media/platform/vimc/vimc-debayer.c @@ -577,21 +577,22 @@ static int vimc_deb_remove(struct platform_device *pdev) return 0; } +static const struct platform_device_id vimc_deb_driver_ids[] = { + { + .name = VIMC_DEB_DRV_NAME, + }, + { } +}; + static struct platform_driver vimc_deb_pdrv = { .probe = vimc_deb_probe, .remove = vimc_deb_remove, + .id_table = vimc_deb_driver_ids, .driver = { .name = VIMC_DEB_DRV_NAME, }, }; -static const struct platform_device_id vimc_deb_driver_ids[] = { - { - .name = VIMC_DEB_DRV_NAME, - }, - { } -}; - module_platform_driver(vimc_deb_pdrv); MODULE_DEVICE_TABLE(platform, vimc_deb_driver_ids); diff --git a/drivers/media/platform/vimc/vimc-scaler.c b/drivers/media/platform/vimc/vimc-scaler.c index fe77505d2679..0a3e086e12f3 100644 --- a/drivers/media/platform/vimc/vimc-scaler.c +++ b/drivers/media/platform/vimc/vimc-scaler.c @@ -431,21 +431,22 @@ static int vimc_sca_remove(struct platform_device *pdev) return 0; } +static const struct platform_device_id vimc_sca_driver_ids[] = { + { + .name = VIMC_SCA_DRV_NAME, + }, + { } +}; + static struct platform_driver vimc_sca_pdrv = { .probe = vimc_sca_probe, .remove = vimc_sca_remove, + .id_table = vimc_sca_driver_ids, .driver = { .name = VIMC_SCA_DRV_NAME, }, }; -static const struct platform_device_id vimc_sca_driver_ids[] = { - { - .name = VIMC_SCA_DRV_NAME, - }, - { } -}; - module_platform_driver(vimc_sca_pdrv); MODULE_DEVICE_TABLE(platform, vimc_sca_driver_ids); diff --git a/drivers/media/platform/vimc/vimc-sensor.c b/drivers/media/platform/vimc/vimc-sensor.c index ebdbbe8c05ed..615c2b18dcfc 100644 --- a/drivers/media/platform/vimc/vimc-sensor.c +++ b/drivers/media/platform/vimc/vimc-sensor.c @@ -365,21 +365,22 @@ static int vimc_sen_remove(struct platform_device *pdev) return 0; } +static const struct platform_device_id vimc_sen_driver_ids[] = { + { + .name = VIMC_SEN_DRV_NAME, + }, + { } +}; + static struct platform_driver vimc_sen_pdrv = { .probe = vimc_sen_probe, .remove = vimc_sen_remove, + .id_table = vimc_sen_driver_ids, .driver = { .name = VIMC_SEN_DRV_NAME, }, }; -static const struct platform_device_id vimc_sen_driver_ids[] = { - { - .name = VIMC_SEN_DRV_NAME, - }, - { } -}; - module_platform_driver(vimc_sen_pdrv); MODULE_DEVICE_TABLE(platform, vimc_sen_driver_ids); diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c index 7240223dc15a..17e82a9a0109 100644 --- a/drivers/media/radio/radio-wl1273.c +++ b/drivers/media/radio/radio-wl1273.c @@ -610,10 +610,21 @@ static int wl1273_fm_start(struct wl1273_device *radio, int new_mode) } } - if (radio->rds_on) + if (radio->rds_on) { r = core->write(core, WL1273_RDS_DATA_ENB, 1); - else + if (r) { + dev_err(dev, "%s: RDS_DATA_ENB ON fails\n", + __func__); + goto fail; + } + } else { r = core->write(core, WL1273_RDS_DATA_ENB, 0); + if (r) { + dev_err(dev, "%s: RDS_DATA_ENB OFF fails\n", + __func__); + goto fail; + } + } } else { dev_warn(dev, "%s: Illegal mode.\n", __func__); } diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c index a30af91710fe..d2223c04e9ad 100644 --- a/drivers/media/rc/ir-lirc-codec.c +++ b/drivers/media/rc/ir-lirc-codec.c @@ -266,7 +266,7 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, if (!dev->rx_resolution) return -ENOTTY; - val = dev->rx_resolution; + val = dev->rx_resolution / 1000; break; case LIRC_SET_WIDEBAND_RECEIVER: diff --git a/drivers/media/tuners/fc0011.c b/drivers/media/tuners/fc0011.c index 192b1c7740df..145407dee3db 100644 --- a/drivers/media/tuners/fc0011.c +++ b/drivers/media/tuners/fc0011.c @@ -342,6 +342,7 @@ static int fc0011_set_params(struct dvb_frontend *fe) switch (vco_sel) { default: WARN_ON(1); + return -EINVAL; case 0: if (vco_cal < 8) { regs[FC11_REG_VCOSEL] &= ~(FC11_VCOSEL_1 | FC11_VCOSEL_2); diff --git a/drivers/media/tuners/mxl5005s.c b/drivers/media/tuners/mxl5005s.c index 353744fee053..dd59c2c0e4a5 100644 --- a/drivers/media/tuners/mxl5005s.c +++ b/drivers/media/tuners/mxl5005s.c @@ -2737,8 +2737,6 @@ static u16 MXL_TuneRF(struct dvb_frontend *fe, u32 RF_Freq) status += MXL_ControlWrite(fe, TG_LO_DIVVAL, 0x0); status += MXL_ControlWrite(fe, TG_LO_SELVAL, 0x7); divider_val = 2 ; - Fmax = FmaxBin ; - Fmin = FminBin ; } /* TG_DIV_VAL */ diff --git a/drivers/media/usb/au0828/au0828-input.c b/drivers/media/usb/au0828/au0828-input.c index 9ec919c68482..9d82ec0a4b64 100644 --- a/drivers/media/usb/au0828/au0828-input.c +++ b/drivers/media/usb/au0828/au0828-input.c @@ -351,7 +351,7 @@ int au0828_rc_register(struct au0828_dev *dev) if (err) goto error; - pr_info("Remote controller %s initalized\n", ir->name); + pr_info("Remote controller %s initialized\n", ir->name); return 0; diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c index 594360a63c18..a91fdad8f8d4 100644 --- a/drivers/media/usb/dvb-usb-v2/lmedm04.c +++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c @@ -207,15 +207,13 @@ static int lme2510_stream_restart(struct dvb_usb_device *d) struct lme2510_state *st = d->priv; u8 all_pids[] = LME_ALL_PIDS; u8 stream_on[] = LME_ST_ON_W; - int ret; u8 rbuff[1]; if (st->pid_off) - ret = lme2510_usb_talk(d, all_pids, sizeof(all_pids), - rbuff, sizeof(rbuff)); + lme2510_usb_talk(d, all_pids, sizeof(all_pids), + rbuff, sizeof(rbuff)); /*Restart Stream Command*/ - ret = lme2510_usb_talk(d, stream_on, sizeof(stream_on), - rbuff, sizeof(rbuff)); - return ret; + return lme2510_usb_talk(d, stream_on, sizeof(stream_on), + rbuff, sizeof(rbuff)); } static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out) diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c index 08acdd32e412..bea1b4764a66 100644 --- a/drivers/media/usb/dvb-usb/dib0700_core.c +++ b/drivers/media/usb/dvb-usb/dib0700_core.c @@ -215,13 +215,14 @@ static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg, USB_CTRL_GET_TIMEOUT); if (result < 0) { deb_info("i2c read error (status = %d)\n", result); - break; + goto unlock; } if (msg[i].len > sizeof(st->buf)) { deb_info("buffer too small to fit %d bytes\n", msg[i].len); - return -EIO; + result = -EIO; + goto unlock; } memcpy(msg[i].buf, st->buf, msg[i].len); @@ -233,8 +234,8 @@ static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg, /* Write request */ if (mutex_lock_interruptible(&d->usb_mutex) < 0) { err("could not acquire lock"); - mutex_unlock(&d->i2c_mutex); - return -EINTR; + result = -EINTR; + goto unlock; } st->buf[0] = REQUEST_NEW_I2C_WRITE; st->buf[1] = msg[i].addr << 1; @@ -247,7 +248,9 @@ static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg, if (msg[i].len > sizeof(st->buf) - 4) { deb_info("i2c message to big: %d\n", msg[i].len); - return -EIO; + mutex_unlock(&d->usb_mutex); + result = -EIO; + goto unlock; } /* The Actual i2c payload */ @@ -269,8 +272,11 @@ static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg, } } } + result = i; + +unlock: mutex_unlock(&d->i2c_mutex); - return i; + return result; } /* @@ -281,7 +287,7 @@ static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap, { struct dvb_usb_device *d = i2c_get_adapdata(adap); struct dib0700_state *st = d->priv; - int i,len; + int i, len, result; if (mutex_lock_interruptible(&d->i2c_mutex) < 0) return -EINTR; @@ -298,7 +304,8 @@ static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap, if (msg[i].len > sizeof(st->buf) - 2) { deb_info("i2c xfer to big: %d\n", msg[i].len); - return -EIO; + result = -EIO; + goto unlock; } memcpy(&st->buf[2], msg[i].buf, msg[i].len); @@ -313,13 +320,15 @@ static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap, if (len <= 0) { deb_info("I2C read failed on address 0x%02x\n", msg[i].addr); - break; + result = -EIO; + goto unlock; } if (msg[i + 1].len > sizeof(st->buf)) { deb_info("i2c xfer buffer to small for %d\n", msg[i].len); - return -EIO; + result = -EIO; + goto unlock; } memcpy(msg[i + 1].buf, st->buf, msg[i + 1].len); @@ -328,14 +337,17 @@ static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap, i++; } else { st->buf[0] = REQUEST_I2C_WRITE; - if (dib0700_ctrl_wr(d, st->buf, msg[i].len + 2) < 0) - break; + result = dib0700_ctrl_wr(d, st->buf, msg[i].len + 2); + if (result < 0) + goto unlock; } } + result = i; +unlock: mutex_unlock(&d->usb_mutex); mutex_unlock(&d->i2c_mutex); - return i; + return result; } static int dib0700_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c index 146341aeb782..4c57fd7929cb 100644 --- a/drivers/media/usb/em28xx/em28xx-cards.c +++ b/drivers/media/usb/em28xx/em28xx-cards.c @@ -1193,6 +1193,22 @@ struct em28xx_board em28xx_boards[] = { .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | EM28XX_I2C_FREQ_400_KHZ, }, + [EM2884_BOARD_TERRATEC_H6] = { + .name = "Terratec Cinergy H6 rev. 2", + .has_dvb = 1, + .ir_codes = RC_MAP_NEC_TERRATEC_CINERGY_XS, +#if 0 + .tuner_type = TUNER_PHILIPS_TDA8290, + .tuner_addr = 0x41, + .dvb_gpio = terratec_h5_digital, /* FIXME: probably wrong */ + .tuner_gpio = terratec_h5_gpio, +#else + .tuner_type = TUNER_ABSENT, +#endif + .def_i2c_bus = 1, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_400_KHZ, + }, [EM2884_BOARD_HAUPPAUGE_WINTV_HVR_930C] = { .name = "Hauppauge WinTV HVR 930C", .has_dvb = 1, @@ -2496,6 +2512,8 @@ struct usb_device_id em28xx_id_table[] = { .driver_info = EM2884_BOARD_TERRATEC_H5 }, { USB_DEVICE(0x0ccd, 0x10b6), /* H5 Rev. 3 */ .driver_info = EM2884_BOARD_TERRATEC_H5 }, + { USB_DEVICE(0x0ccd, 0x10b2), /* H6 */ + .driver_info = EM2884_BOARD_TERRATEC_H6 }, { USB_DEVICE(0x0ccd, 0x0084), .driver_info = EM2860_BOARD_TERRATEC_AV350 }, { USB_DEVICE(0x0ccd, 0x0096), diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c index 82edd37f0d73..4a7db623fe29 100644 --- a/drivers/media/usb/em28xx/em28xx-dvb.c +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -1522,6 +1522,7 @@ static int em28xx_dvb_init(struct em28xx *dev) break; case EM2884_BOARD_ELGATO_EYETV_HYBRID_2008: case EM2884_BOARD_CINERGY_HTC_STICK: + case EM2884_BOARD_TERRATEC_H6: terratec_htc_stick_init(dev); /* attach demodulator */ diff --git a/drivers/media/usb/em28xx/em28xx-i2c.c b/drivers/media/usb/em28xx/em28xx-i2c.c index 8c472d5adb50..60b195c157b8 100644 --- a/drivers/media/usb/em28xx/em28xx-i2c.c +++ b/drivers/media/usb/em28xx/em28xx-i2c.c @@ -982,8 +982,6 @@ int em28xx_i2c_register(struct em28xx *dev, unsigned bus, dev_err(&dev->intf->dev, "%s: em28xx_i2_eeprom failed! retval [%d]\n", __func__, retval); - - return retval; } } diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c index eba75736e654..ca9673917ad5 100644 --- a/drivers/media/usb/em28xx/em28xx-input.c +++ b/drivers/media/usb/em28xx/em28xx-input.c @@ -821,7 +821,7 @@ static int em28xx_ir_init(struct em28xx *dev) if (err) goto error; - dev_info(&dev->intf->dev, "Input extension successfully initalized\n"); + dev_info(&dev->intf->dev, "Input extension successfully initialized\n"); return 0; diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h index e8d97d5ec161..88084f24f033 100644 --- a/drivers/media/usb/em28xx/em28xx.h +++ b/drivers/media/usb/em28xx/em28xx.h @@ -148,6 +148,7 @@ #define EM28178_BOARD_PLEX_PX_BCUD 98 #define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_DVB 99 #define EM28174_BOARD_HAUPPAUGE_WINTV_DUALHD_01595 100 +#define EM2884_BOARD_TERRATEC_H6 101 /* Limits minimum and default number of buffers */ #define EM28XX_MIN_BUF 4 diff --git a/drivers/media/usb/pulse8-cec/pulse8-cec.c b/drivers/media/usb/pulse8-cec/pulse8-cec.c index c843070f24c1..f9ed9c950247 100644 --- a/drivers/media/usb/pulse8-cec/pulse8-cec.c +++ b/drivers/media/usb/pulse8-cec/pulse8-cec.c @@ -51,7 +51,7 @@ MODULE_DESCRIPTION("Pulse Eight HDMI CEC driver"); MODULE_LICENSE("GPL"); static int debug; -static int persistent_config = 1; +static int persistent_config; module_param(debug, int, 0644); module_param(persistent_config, int, 0644); MODULE_PARM_DESC(debug, "debug level (0-1)"); diff --git a/drivers/media/usb/rainshadow-cec/rainshadow-cec.c b/drivers/media/usb/rainshadow-cec/rainshadow-cec.c index f203699e9c1b..65692576690f 100644 --- a/drivers/media/usb/rainshadow-cec/rainshadow-cec.c +++ b/drivers/media/usb/rainshadow-cec/rainshadow-cec.c @@ -116,21 +116,19 @@ static void rain_irq_work_handler(struct work_struct *work) while (true) { unsigned long flags; - bool exit_loop = false; char data; spin_lock_irqsave(&rain->buf_lock, flags); - if (rain->buf_len) { - data = rain->buf[rain->buf_rd_idx]; - rain->buf_len--; - rain->buf_rd_idx = (rain->buf_rd_idx + 1) & 0xff; - } else { - exit_loop = true; + if (!rain->buf_len) { + spin_unlock_irqrestore(&rain->buf_lock, flags); + break; } - spin_unlock_irqrestore(&rain->buf_lock, flags); - if (exit_loop) - break; + data = rain->buf[rain->buf_rd_idx]; + rain->buf_len--; + rain->buf_rd_idx = (rain->buf_rd_idx + 1) & 0xff; + + spin_unlock_irqrestore(&rain->buf_lock, flags); if (!rain->cmd_started && data != '?') continue; diff --git a/drivers/media/usb/stkwebcam/stk-sensor.c b/drivers/media/usb/stkwebcam/stk-sensor.c index 985af9933c7e..c1d4505f84ea 100644 --- a/drivers/media/usb/stkwebcam/stk-sensor.c +++ b/drivers/media/usb/stkwebcam/stk-sensor.c @@ -41,6 +41,8 @@ /* It seems the i2c bus is controlled with these registers */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include "stk-webcam.h" #define STK_IIC_BASE (0x0200) @@ -239,8 +241,8 @@ static int stk_sensor_outb(struct stk_camera *dev, u8 reg, u8 val) } while (tmpval == 0 && i < MAX_RETRIES); if (tmpval != STK_IIC_STAT_TX_OK) { if (tmpval) - STK_ERROR("stk_sensor_outb failed, status=0x%02x\n", - tmpval); + pr_err("stk_sensor_outb failed, status=0x%02x\n", + tmpval); return 1; } else return 0; @@ -262,8 +264,8 @@ static int stk_sensor_inb(struct stk_camera *dev, u8 reg, u8 *val) } while (tmpval == 0 && i < MAX_RETRIES); if (tmpval != STK_IIC_STAT_RX_OK) { if (tmpval) - STK_ERROR("stk_sensor_inb failed, status=0x%02x\n", - tmpval); + pr_err("stk_sensor_inb failed, status=0x%02x\n", + tmpval); return 1; } @@ -366,29 +368,29 @@ int stk_sensor_init(struct stk_camera *dev) if (stk_camera_write_reg(dev, STK_IIC_ENABLE, STK_IIC_ENABLE_YES) || stk_camera_write_reg(dev, STK_IIC_ADDR, SENSOR_ADDRESS) || stk_sensor_outb(dev, REG_COM7, COM7_RESET)) { - STK_ERROR("Sensor resetting failed\n"); + pr_err("Sensor resetting failed\n"); return -ENODEV; } msleep(10); /* Read the manufacturer ID: ov = 0x7FA2 */ if (stk_sensor_inb(dev, REG_MIDH, &idh) || stk_sensor_inb(dev, REG_MIDL, &idl)) { - STK_ERROR("Strange error reading sensor ID\n"); + pr_err("Strange error reading sensor ID\n"); return -ENODEV; } if (idh != 0x7f || idl != 0xa2) { - STK_ERROR("Huh? you don't have a sensor from ovt\n"); + pr_err("Huh? you don't have a sensor from ovt\n"); return -ENODEV; } if (stk_sensor_inb(dev, REG_PID, &idh) || stk_sensor_inb(dev, REG_VER, &idl)) { - STK_ERROR("Could not read sensor model\n"); + pr_err("Could not read sensor model\n"); return -ENODEV; } stk_sensor_write_regvals(dev, ov_initvals); msleep(10); - STK_INFO("OmniVision sensor detected, id %02X%02X at address %x\n", - idh, idl, SENSOR_ADDRESS); + pr_info("OmniVision sensor detected, id %02X%02X at address %x\n", + idh, idl, SENSOR_ADDRESS); return 0; } @@ -520,7 +522,8 @@ int stk_sensor_configure(struct stk_camera *dev) case MODE_SXGA: com7 = COM7_FMT_SXGA; dummylines = 0; break; - default: STK_ERROR("Unsupported mode %d\n", dev->vsettings.mode); + default: + pr_err("Unsupported mode %d\n", dev->vsettings.mode); return -EFAULT; } switch (dev->vsettings.palette) { @@ -544,7 +547,8 @@ int stk_sensor_configure(struct stk_camera *dev) com7 |= COM7_PBAYER; rv = ov_fmt_bayer; break; - default: STK_ERROR("Unsupported colorspace\n"); + default: + pr_err("Unsupported colorspace\n"); return -EFAULT; } /*FIXME sometimes the sensor go to a bad state @@ -564,7 +568,7 @@ int stk_sensor_configure(struct stk_camera *dev) switch (dev->vsettings.mode) { case MODE_VGA: if (stk_sensor_set_hw(dev, 302, 1582, 6, 486)) - STK_ERROR("stk_sensor_set_hw failed (VGA)\n"); + pr_err("stk_sensor_set_hw failed (VGA)\n"); break; case MODE_SXGA: case MODE_CIF: @@ -572,7 +576,7 @@ int stk_sensor_configure(struct stk_camera *dev) case MODE_QCIF: /*FIXME These settings seem ignored by the sensor if (stk_sensor_set_hw(dev, 220, 1500, 10, 1034)) - STK_ERROR("stk_sensor_set_hw failed (SXGA)\n"); + pr_err("stk_sensor_set_hw failed (SXGA)\n"); */ break; } diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c index 6e7fc36b658f..90d4a08cda31 100644 --- a/drivers/media/usb/stkwebcam/stk-webcam.c +++ b/drivers/media/usb/stkwebcam/stk-webcam.c @@ -18,6 +18,8 @@ * GNU General Public License for more details. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/init.h> #include <linux/kernel.h> @@ -175,15 +177,15 @@ static int stk_start_stream(struct stk_camera *dev) if (!is_present(dev)) return -ENODEV; if (!is_memallocd(dev) || !is_initialised(dev)) { - STK_ERROR("FIXME: Buffers are not allocated\n"); + pr_err("FIXME: Buffers are not allocated\n"); return -EFAULT; } ret = usb_set_interface(dev->udev, 0, 5); if (ret < 0) - STK_ERROR("usb_set_interface failed !\n"); + pr_err("usb_set_interface failed !\n"); if (stk_sensor_wakeup(dev)) - STK_ERROR("error awaking the sensor\n"); + pr_err("error awaking the sensor\n"); stk_camera_read_reg(dev, 0x0116, &value_116); stk_camera_read_reg(dev, 0x0117, &value_117); @@ -224,9 +226,9 @@ static int stk_stop_stream(struct stk_camera *dev) unset_streaming(dev); if (usb_set_interface(dev->udev, 0, 0)) - STK_ERROR("usb_set_interface failed !\n"); + pr_err("usb_set_interface failed !\n"); if (stk_sensor_sleep(dev)) - STK_ERROR("error suspending the sensor\n"); + pr_err("error suspending the sensor\n"); } return 0; } @@ -313,7 +315,7 @@ static void stk_isoc_handler(struct urb *urb) dev = (struct stk_camera *) urb->context; if (dev == NULL) { - STK_ERROR("isoc_handler called with NULL device !\n"); + pr_err("isoc_handler called with NULL device !\n"); return; } @@ -326,14 +328,13 @@ static void stk_isoc_handler(struct urb *urb) spin_lock_irqsave(&dev->spinlock, flags); if (urb->status != -EINPROGRESS && urb->status != 0) { - STK_ERROR("isoc_handler: urb->status == %d\n", urb->status); + pr_err("isoc_handler: urb->status == %d\n", urb->status); goto resubmit; } if (list_empty(&dev->sio_avail)) { /*FIXME Stop streaming after a while */ - (void) (printk_ratelimit() && - STK_ERROR("isoc_handler without available buffer!\n")); + pr_err_ratelimited("isoc_handler without available buffer!\n"); goto resubmit; } fb = list_first_entry(&dev->sio_avail, @@ -343,8 +344,8 @@ static void stk_isoc_handler(struct urb *urb) for (i = 0; i < urb->number_of_packets; i++) { if (urb->iso_frame_desc[i].status != 0) { if (urb->iso_frame_desc[i].status != -EXDEV) - STK_ERROR("Frame %d has error %d\n", i, - urb->iso_frame_desc[i].status); + pr_err("Frame %d has error %d\n", + i, urb->iso_frame_desc[i].status); continue; } framelen = urb->iso_frame_desc[i].actual_length; @@ -368,9 +369,8 @@ static void stk_isoc_handler(struct urb *urb) /* This marks a new frame */ if (fb->v4lbuf.bytesused != 0 && fb->v4lbuf.bytesused != dev->frame_size) { - (void) (printk_ratelimit() && - STK_ERROR("frame %d, bytesused=%d, skipping\n", - i, fb->v4lbuf.bytesused)); + pr_err_ratelimited("frame %d, bytesused=%d, skipping\n", + i, fb->v4lbuf.bytesused); fb->v4lbuf.bytesused = 0; fill = fb->buffer; } else if (fb->v4lbuf.bytesused == dev->frame_size) { @@ -395,8 +395,7 @@ static void stk_isoc_handler(struct urb *urb) /* Our buffer is full !!! */ if (framelen + fb->v4lbuf.bytesused > dev->frame_size) { - (void) (printk_ratelimit() && - STK_ERROR("Frame buffer overflow, lost sync\n")); + pr_err_ratelimited("Frame buffer overflow, lost sync\n"); /*FIXME Do something here? */ continue; } @@ -414,8 +413,8 @@ resubmit: urb->dev = dev->udev; ret = usb_submit_urb(urb, GFP_ATOMIC); if (ret != 0) { - STK_ERROR("Error (%d) re-submitting urb in stk_isoc_handler.\n", - ret); + pr_err("Error (%d) re-submitting urb in stk_isoc_handler\n", + ret); } } @@ -433,32 +432,31 @@ static int stk_prepare_iso(struct stk_camera *dev) udev = dev->udev; if (dev->isobufs) - STK_ERROR("isobufs already allocated. Bad\n"); + pr_err("isobufs already allocated. Bad\n"); else dev->isobufs = kcalloc(MAX_ISO_BUFS, sizeof(*dev->isobufs), GFP_KERNEL); if (dev->isobufs == NULL) { - STK_ERROR("Unable to allocate iso buffers\n"); + pr_err("Unable to allocate iso buffers\n"); return -ENOMEM; } for (i = 0; i < MAX_ISO_BUFS; i++) { if (dev->isobufs[i].data == NULL) { kbuf = kzalloc(ISO_BUFFER_SIZE, GFP_KERNEL); if (kbuf == NULL) { - STK_ERROR("Failed to allocate iso buffer %d\n", - i); + pr_err("Failed to allocate iso buffer %d\n", i); goto isobufs_out; } dev->isobufs[i].data = kbuf; } else - STK_ERROR("isobuf data already allocated\n"); + pr_err("isobuf data already allocated\n"); if (dev->isobufs[i].urb == NULL) { urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL); if (urb == NULL) goto isobufs_out; dev->isobufs[i].urb = urb; } else { - STK_ERROR("Killing URB\n"); + pr_err("Killing URB\n"); usb_kill_urb(dev->isobufs[i].urb); urb = dev->isobufs[i].urb; } @@ -567,7 +565,7 @@ static int stk_prepare_sio_buffers(struct stk_camera *dev, unsigned n_sbufs) { int i; if (dev->sio_bufs != NULL) - STK_ERROR("sio_bufs already allocated\n"); + pr_err("sio_bufs already allocated\n"); else { dev->sio_bufs = kzalloc(n_sbufs * sizeof(struct stk_sio_buffer), GFP_KERNEL); @@ -690,7 +688,7 @@ static ssize_t stk_read(struct file *fp, char __user *buf, spin_lock_irqsave(&dev->spinlock, flags); if (list_empty(&dev->sio_full)) { spin_unlock_irqrestore(&dev->spinlock, flags); - STK_ERROR("BUG: No siobufs ready\n"); + pr_err("BUG: No siobufs ready\n"); return 0; } sbuf = list_first_entry(&dev->sio_full, struct stk_sio_buffer, list); @@ -907,7 +905,7 @@ static int stk_vidioc_g_fmt_vid_cap(struct file *filp, stk_sizes[i].m != dev->vsettings.mode; i++) ; if (i == ARRAY_SIZE(stk_sizes)) { - STK_ERROR("ERROR: mode invalid\n"); + pr_err("ERROR: mode invalid\n"); return -EINVAL; } pix_format->width = stk_sizes[i].w; @@ -985,7 +983,7 @@ static int stk_setup_format(struct stk_camera *dev) stk_sizes[i].m != dev->vsettings.mode) i++; if (i == ARRAY_SIZE(stk_sizes)) { - STK_ERROR("Something is broken in %s\n", __func__); + pr_err("Something is broken in %s\n", __func__); return -EFAULT; } /* This registers controls some timings, not sure of what. */ @@ -1241,7 +1239,7 @@ static void stk_v4l_dev_release(struct video_device *vd) struct stk_camera *dev = vdev_to_camera(vd); if (dev->sio_bufs != NULL || dev->isobufs != NULL) - STK_ERROR("We are leaking memory\n"); + pr_err("We are leaking memory\n"); usb_put_intf(dev->interface); kfree(dev); } @@ -1264,10 +1262,10 @@ static int stk_register_video_device(struct stk_camera *dev) video_set_drvdata(&dev->vdev, dev); err = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, -1); if (err) - STK_ERROR("v4l registration failed\n"); + pr_err("v4l registration failed\n"); else - STK_INFO("Syntek USB2.0 Camera is now controlling device %s\n", - video_device_node_name(&dev->vdev)); + pr_info("Syntek USB2.0 Camera is now controlling device %s\n", + video_device_node_name(&dev->vdev)); return err; } @@ -1288,7 +1286,7 @@ static int stk_camera_probe(struct usb_interface *interface, dev = kzalloc(sizeof(struct stk_camera), GFP_KERNEL); if (dev == NULL) { - STK_ERROR("Out of memory !\n"); + pr_err("Out of memory !\n"); return -ENOMEM; } err = v4l2_device_register(&interface->dev, &dev->v4l2_dev); @@ -1352,7 +1350,7 @@ static int stk_camera_probe(struct usb_interface *interface, } } if (!dev->isoc_ep) { - STK_ERROR("Could not find isoc-in endpoint"); + pr_err("Could not find isoc-in endpoint\n"); err = -ENODEV; goto error; } @@ -1387,8 +1385,8 @@ static void stk_camera_disconnect(struct usb_interface *interface) wake_up_interruptible(&dev->wait_frame); - STK_INFO("Syntek USB2.0 Camera release resources device %s\n", - video_device_node_name(&dev->vdev)); + pr_info("Syntek USB2.0 Camera release resources device %s\n", + video_device_node_name(&dev->vdev)); video_unregister_device(&dev->vdev); v4l2_ctrl_handler_free(&dev->hdl); diff --git a/drivers/media/usb/stkwebcam/stk-webcam.h b/drivers/media/usb/stkwebcam/stk-webcam.h index 0284120ce246..5cecbdc97573 100644 --- a/drivers/media/usb/stkwebcam/stk-webcam.h +++ b/drivers/media/usb/stkwebcam/stk-webcam.h @@ -31,12 +31,6 @@ #define ISO_MAX_FRAME_SIZE 3 * 1024 #define ISO_BUFFER_SIZE (ISO_FRAMES_PER_DESC * ISO_MAX_FRAME_SIZE) - -#define PREFIX "stkwebcam: " -#define STK_INFO(str, args...) printk(KERN_INFO PREFIX str, ##args) -#define STK_ERROR(str, args...) printk(KERN_ERR PREFIX str, ##args) -#define STK_WARNING(str, args...) printk(KERN_WARNING PREFIX str, ##args) - struct stk_iso_buf { void *data; int length; diff --git a/drivers/media/v4l2-core/tuner-core.c b/drivers/media/v4l2-core/tuner-core.c index e48b7c032c95..8db45dfc271b 100644 --- a/drivers/media/v4l2-core/tuner-core.c +++ b/drivers/media/v4l2-core/tuner-core.c @@ -43,8 +43,6 @@ #define UNSET (-1U) -#define PREFIX (t->i2c->dev.driver->name) - /* * Driver modprobe parameters */ diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 8621a198a2ce..bac33311f55a 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -216,6 +216,12 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, dev); /* + * MEI requires to resume from runtime suspend mode + * in order to perform link reset flow upon system suspend. + */ + pdev->dev_flags |= PCI_DEV_FLAGS_NEEDS_RESUME; + + /* * For not wake-able HW runtime pm framework * can't be used on pci device level. * Use domain runtime pm callbacks instead. diff --git a/drivers/misc/mei/pci-txe.c b/drivers/misc/mei/pci-txe.c index f811cd524468..e38a5f144373 100644 --- a/drivers/misc/mei/pci-txe.c +++ b/drivers/misc/mei/pci-txe.c @@ -138,6 +138,12 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, dev); /* + * MEI requires to resume from runtime suspend mode + * in order to perform link reset flow upon system suspend. + */ + pdev->dev_flags |= PCI_DEV_FLAGS_NEEDS_RESUME; + + /* * For not wake-able HW runtime pm framework * can't be used on pci device level. * Use domain runtime pm callbacks instead. diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 8ac59dc80f23..f1bbfd389367 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -2170,6 +2170,9 @@ static void mmc_blk_remove_req(struct mmc_blk_data *md) * from being accepted. */ card = md->queue.card; + spin_lock_irq(md->queue.queue->queue_lock); + queue_flag_set(QUEUE_FLAG_BYPASS, md->queue.queue); + spin_unlock_irq(md->queue.queue->queue_lock); blk_set_queue_dying(md->queue.queue); mmc_cleanup_queue(&md->queue); if (md->disk->flags & GENHD_FL_UP) { diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 4ffea14b7eb6..2bae69e39544 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1289,7 +1289,7 @@ out_err: static int mmc_select_hs400es(struct mmc_card *card) { struct mmc_host *host = card->host; - int err = 0; + int err = -EINVAL; u8 val; if (!(host->caps & MMC_CAP_8_BIT_DATA)) { diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index a9dfb26972f2..250dc6ec4c82 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -2957,7 +2957,7 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host) } /* find out number of slots supported */ - if (device_property_read_u32(dev, "num-slots", &pdata->num_slots)) + if (!device_property_read_u32(dev, "num-slots", &pdata->num_slots)) dev_info(dev, "'num-slots' was deprecated.\n"); if (device_property_read_u32(dev, "fifo-depth", &pdata->fifo_depth)) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 7c12f3715676..2ab4788d021f 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -356,9 +356,6 @@ static int omap_hsmmc_set_power(struct omap_hsmmc_host *host, int power_on, struct mmc_host *mmc = host->mmc; int ret = 0; - if (mmc_pdata(host)->set_power) - return mmc_pdata(host)->set_power(host->dev, power_on, vdd); - /* * If we don't see a Vcc regulator, assume it's a fixed * voltage always-on regulator. @@ -366,9 +363,6 @@ static int omap_hsmmc_set_power(struct omap_hsmmc_host *host, int power_on, if (IS_ERR(mmc->supply.vmmc)) return 0; - if (mmc_pdata(host)->before_set_reg) - mmc_pdata(host)->before_set_reg(host->dev, power_on, vdd); - ret = omap_hsmmc_set_pbias(host, false, 0); if (ret) return ret; @@ -400,9 +394,6 @@ static int omap_hsmmc_set_power(struct omap_hsmmc_host *host, int power_on, return ret; } - if (mmc_pdata(host)->after_set_reg) - mmc_pdata(host)->after_set_reg(host->dev, power_on, vdd); - return 0; err_set_voltage: @@ -469,8 +460,6 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host) int ret; struct mmc_host *mmc = host->mmc; - if (mmc_pdata(host)->set_power) - return 0; ret = mmc_regulator_get_supply(mmc); if (ret == -EPROBE_DEFER) @@ -2097,7 +2086,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev) mmc->max_seg_size = mmc->max_req_size; mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED | - MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_ERASE; + MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_ERASE | MMC_CAP_CMD23; mmc->caps |= mmc_pdata(host)->caps; if (mmc->caps & MMC_CAP_8_BIT_DATA) diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c index 7611fd679f1a..1485530c3592 100644 --- a/drivers/mmc/host/sdhci-of-at91.c +++ b/drivers/mmc/host/sdhci-of-at91.c @@ -31,6 +31,7 @@ #define SDMMC_MC1R 0x204 #define SDMMC_MC1R_DDR BIT(3) +#define SDMMC_MC1R_FCD BIT(7) #define SDMMC_CACR 0x230 #define SDMMC_CACR_CAPWREN BIT(0) #define SDMMC_CACR_KEY (0x46 << 8) @@ -43,6 +44,15 @@ struct sdhci_at91_priv { struct clk *mainck; }; +static void sdhci_at91_set_force_card_detect(struct sdhci_host *host) +{ + u8 mc1r; + + mc1r = readb(host->ioaddr + SDMMC_MC1R); + mc1r |= SDMMC_MC1R_FCD; + writeb(mc1r, host->ioaddr + SDMMC_MC1R); +} + static void sdhci_at91_set_clock(struct sdhci_host *host, unsigned int clock) { u16 clk; @@ -110,10 +120,18 @@ void sdhci_at91_set_uhs_signaling(struct sdhci_host *host, unsigned int timing) sdhci_set_uhs_signaling(host, timing); } +static void sdhci_at91_reset(struct sdhci_host *host, u8 mask) +{ + sdhci_reset(host, mask); + + if (host->mmc->caps & MMC_CAP_NONREMOVABLE) + sdhci_at91_set_force_card_detect(host); +} + static const struct sdhci_ops sdhci_at91_sama5d2_ops = { .set_clock = sdhci_at91_set_clock, .set_bus_width = sdhci_set_bus_width, - .reset = sdhci_reset, + .reset = sdhci_at91_reset, .set_uhs_signaling = sdhci_at91_set_uhs_signaling, .set_power = sdhci_at91_set_power, }; @@ -324,6 +342,21 @@ static int sdhci_at91_probe(struct platform_device *pdev) host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; } + /* + * If the device attached to the MMC bus is not removable, it is safer + * to set the Force Card Detect bit. People often don't connect the + * card detect signal and use this pin for another purpose. If the card + * detect pin is not muxed to SDHCI controller, a default value is + * used. This value can be different from a SoC revision to another + * one. Problems come when this default value is not card present. To + * avoid this case, if the device is non removable then the card + * detection procedure using the SDMCC_CD signal is bypassed. + * This bit is reset when a software reset for all command is performed + * so we need to implement our own reset function to set back this bit. + */ + if (host->mmc->caps & MMC_CAP_NONREMOVABLE) + sdhci_at91_set_force_card_detect(host); + pm_runtime_put_autosuspend(&pdev->dev); return 0; diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index d6fa2214aaae..0fb4e4c119e1 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -793,8 +793,12 @@ static int sunxi_mmc_clk_set_rate(struct sunxi_mmc_host *host, } mmc_writel(host, REG_CLKCR, rval); - if (host->cfg->needs_new_timings) - mmc_writel(host, REG_SD_NTSR, SDXC_2X_TIMING_MODE); + if (host->cfg->needs_new_timings) { + /* Don't touch the delay bits */ + rval = mmc_readl(host, REG_SD_NTSR); + rval |= SDXC_2X_TIMING_MODE; + mmc_writel(host, REG_SD_NTSR, rval); + } ret = sunxi_mmc_clk_set_phase(host, ios, rate); if (ret) diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index f336a9b85576..9ec8f033ac5f 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -113,6 +113,7 @@ static blk_status_t do_blktrans_request(struct mtd_blktrans_ops *tr, for (; nsect > 0; nsect--, block++, buf += tr->blksize) if (tr->writesect(dev, block, buf)) return BLK_STS_IOERR; + return BLK_STS_OK; default: return BLK_STS_IOERR; } diff --git a/drivers/mtd/nand/atmel/nand-controller.c b/drivers/mtd/nand/atmel/nand-controller.c index d922a88e407f..2c8baa0c2c4e 100644 --- a/drivers/mtd/nand/atmel/nand-controller.c +++ b/drivers/mtd/nand/atmel/nand-controller.c @@ -1201,7 +1201,7 @@ static int atmel_smc_nand_prepare_smcconf(struct atmel_nand *nand, * tRC < 30ns implies EDO mode. This controller does not support this * mode. */ - if (conf->timings.sdr.tRC_min < 30) + if (conf->timings.sdr.tRC_min < 30000) return -ENOTSUPP; atmel_smc_cs_conf_init(smcconf); diff --git a/drivers/mtd/nand/atmel/pmecc.c b/drivers/mtd/nand/atmel/pmecc.c index 55a8ee5306ea..8c210a5776bc 100644 --- a/drivers/mtd/nand/atmel/pmecc.c +++ b/drivers/mtd/nand/atmel/pmecc.c @@ -945,6 +945,7 @@ struct atmel_pmecc *devm_atmel_pmecc_get(struct device *userdev) */ struct platform_device *pdev = to_platform_device(userdev); const struct atmel_pmecc_caps *caps; + const struct of_device_id *match; /* No PMECC engine available. */ if (!of_property_read_bool(userdev->of_node, @@ -953,21 +954,11 @@ struct atmel_pmecc *devm_atmel_pmecc_get(struct device *userdev) caps = &at91sam9g45_caps; - /* - * Try to find the NFC subnode and extract the associated caps - * from there. - */ - np = of_find_compatible_node(userdev->of_node, NULL, - "atmel,sama5d3-nfc"); - if (np) { - const struct of_device_id *match; - - match = of_match_node(atmel_pmecc_legacy_match, np); - if (match && match->data) - caps = match->data; - - of_node_put(np); - } + /* Find the caps associated to the NAND dev node. */ + match = of_match_node(atmel_pmecc_legacy_match, + userdev->of_node); + if (match && match->data) + caps = match->data; pmecc = atmel_pmecc_create(pdev, caps, 1, 2); } diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 5fa5ddc94834..c6c18b82f8f4 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -65,8 +65,14 @@ static int nand_ooblayout_ecc_sp(struct mtd_info *mtd, int section, if (!section) { oobregion->offset = 0; - oobregion->length = 4; + if (mtd->oobsize == 16) + oobregion->length = 4; + else + oobregion->length = 3; } else { + if (mtd->oobsize == 8) + return -ERANGE; + oobregion->offset = 6; oobregion->length = ecc->total - 4; } @@ -1125,7 +1131,9 @@ static int nand_setup_data_interface(struct nand_chip *chip, int chipnr) * Ensure the timing mode has been changed on the chip side * before changing timings on the controller side. */ - if (chip->onfi_version) { + if (chip->onfi_version && + (le16_to_cpu(chip->onfi_params.opt_cmd) & + ONFI_OPT_CMD_SET_GET_FEATURES)) { u8 tmode_param[ONFI_SUBFEATURE_PARAM_LEN] = { chip->onfi_timing_mode_default, }; @@ -2741,7 +2749,6 @@ static int nand_write_page_syndrome(struct mtd_info *mtd, * @buf: the data to write * @oob_required: must write chip->oob_poi to OOB * @page: page number to write - * @cached: cached programming * @raw: use _raw version of write_page */ static int nand_write_page(struct mtd_info *mtd, struct nand_chip *chip, diff --git a/drivers/mtd/nand/nand_timings.c b/drivers/mtd/nand/nand_timings.c index f06312df3669..7e36d7d13c26 100644 --- a/drivers/mtd/nand/nand_timings.c +++ b/drivers/mtd/nand/nand_timings.c @@ -311,9 +311,9 @@ int onfi_init_data_interface(struct nand_chip *chip, struct nand_sdr_timings *timings = &iface->timings.sdr; /* microseconds -> picoseconds */ - timings->tPROG_max = 1000000UL * le16_to_cpu(params->t_prog); - timings->tBERS_max = 1000000UL * le16_to_cpu(params->t_bers); - timings->tR_max = 1000000UL * le16_to_cpu(params->t_r); + timings->tPROG_max = 1000000ULL * le16_to_cpu(params->t_prog); + timings->tBERS_max = 1000000ULL * le16_to_cpu(params->t_bers); + timings->tR_max = 1000000ULL * le16_to_cpu(params->t_r); /* nanoseconds -> picoseconds */ timings->tCCS_min = 1000UL * le16_to_cpu(params->t_ccs); diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c index d0b6f8f9f297..6abd142b1324 100644 --- a/drivers/mtd/nand/sunxi_nand.c +++ b/drivers/mtd/nand/sunxi_nand.c @@ -1728,6 +1728,10 @@ static int sunxi_nfc_setup_data_interface(struct mtd_info *mtd, int csline, */ chip->clk_rate = NSEC_PER_SEC / min_clk_period; real_clk_rate = clk_round_rate(nfc->mod_clk, chip->clk_rate); + if (real_clk_rate <= 0) { + dev_err(nfc->dev, "Unable to round clk %lu\n", chip->clk_rate); + return -EINVAL; + } /* * ONFI specification 3.1, paragraph 4.15.2 dictates that EDO data diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 181839d6fbea..9bee6c1c70cc 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2050,6 +2050,7 @@ static int bond_miimon_inspect(struct bonding *bond) continue; bond_propose_link_state(slave, BOND_LINK_FAIL); + commit++; slave->delay = bond->params.downdelay; if (slave->delay) { netdev_info(bond->dev, "link status down for %sinterface %s, disabling it in %d ms\n", @@ -2088,6 +2089,7 @@ static int bond_miimon_inspect(struct bonding *bond) continue; bond_propose_link_state(slave, BOND_LINK_BACK); + commit++; slave->delay = bond->params.updelay; if (slave->delay) { diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 1e46418a3b74..264b281eb86b 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -625,6 +625,44 @@ static void mt7530_adjust_link(struct dsa_switch *ds, int port, * all finished. */ mt7623_pad_clk_setup(ds); + } else { + u16 lcl_adv = 0, rmt_adv = 0; + u8 flowctrl; + u32 mcr = PMCR_USERP_LINK | PMCR_FORCE_MODE; + + switch (phydev->speed) { + case SPEED_1000: + mcr |= PMCR_FORCE_SPEED_1000; + break; + case SPEED_100: + mcr |= PMCR_FORCE_SPEED_100; + break; + }; + + if (phydev->link) + mcr |= PMCR_FORCE_LNK; + + if (phydev->duplex) { + mcr |= PMCR_FORCE_FDX; + + if (phydev->pause) + rmt_adv = LPA_PAUSE_CAP; + if (phydev->asym_pause) + rmt_adv |= LPA_PAUSE_ASYM; + + if (phydev->advertising & ADVERTISED_Pause) + lcl_adv |= ADVERTISE_PAUSE_CAP; + if (phydev->advertising & ADVERTISED_Asym_Pause) + lcl_adv |= ADVERTISE_PAUSE_ASYM; + + flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv); + + if (flowctrl & FLOW_CTRL_TX) + mcr |= PMCR_TX_FC_EN; + if (flowctrl & FLOW_CTRL_RX) + mcr |= PMCR_RX_FC_EN; + } + mt7530_write(priv, MT7530_PMCR_P(port), mcr); } } diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h index b83d76b99802..74db9822eb40 100644 --- a/drivers/net/dsa/mt7530.h +++ b/drivers/net/dsa/mt7530.h @@ -151,6 +151,7 @@ enum mt7530_stp_state { #define PMCR_TX_FC_EN BIT(5) #define PMCR_RX_FC_EN BIT(4) #define PMCR_FORCE_SPEED_1000 BIT(3) +#define PMCR_FORCE_SPEED_100 BIT(2) #define PMCR_FORCE_FDX BIT(1) #define PMCR_FORCE_LNK BIT(0) #define PMCR_COMMON_LINK (PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \ diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index 86058a9f3417..1d307f2def2d 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -1785,9 +1785,9 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata) xgene_enet_gpiod_get(pdata); - if (pdata->phy_mode != PHY_INTERFACE_MODE_SGMII) { - pdata->clk = devm_clk_get(&pdev->dev, NULL); - if (IS_ERR(pdata->clk)) { + pdata->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(pdata->clk)) { + if (pdata->phy_mode != PHY_INTERFACE_MODE_SGMII) { /* Abort if the clock is defined but couldn't be * retrived. Always abort if the clock is missing on * DT system as the driver can't cope with this case. diff --git a/drivers/net/ethernet/aurora/nb8800.c b/drivers/net/ethernet/aurora/nb8800.c index 041cfb7952f8..e94159507847 100644 --- a/drivers/net/ethernet/aurora/nb8800.c +++ b/drivers/net/ethernet/aurora/nb8800.c @@ -609,7 +609,7 @@ static void nb8800_mac_config(struct net_device *dev) mac_mode |= HALF_DUPLEX; if (gigabit) { - if (priv->phy_mode == PHY_INTERFACE_MODE_RGMII) + if (phy_interface_is_rgmii(dev->phydev)) mac_mode |= RGMII_MODE; mac_mode |= GMAC_MODE; @@ -1268,11 +1268,10 @@ static int nb8800_tangox_init(struct net_device *dev) break; case PHY_INTERFACE_MODE_RGMII: - pad_mode = PAD_MODE_RGMII; - break; - + case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII_RXID: case PHY_INTERFACE_MODE_RGMII_TXID: - pad_mode = PAD_MODE_RGMII | PAD_MODE_GTX_CLK_DELAY; + pad_mode = PAD_MODE_RGMII; break; default: diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index f411936b744c..a1125d10c825 100644 --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -2368,6 +2368,7 @@ static int b44_init_one(struct ssb_device *sdev, bp->msg_enable = netif_msg_init(b44_debug, B44_DEF_MSG_ENABLE); spin_lock_init(&bp->lock); + u64_stats_init(&bp->hw_stats.syncp); bp->rx_pending = B44_DEF_RX_RING_PENDING; bp->tx_pending = B44_DEF_TX_RING_PENDING; diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 5333601f855f..dc3052751bc1 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -449,6 +449,10 @@ static void bcm_sysport_get_stats(struct net_device *dev, p = (char *)&dev->stats; else p = (char *)priv; + + if (priv->is_lite && !bcm_sysport_lite_stat_valid(s->type)) + continue; + p += s->stat_offset; data[j] = *(unsigned long *)p; j++; diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 7b0b399aaedd..a981c4ee9d72 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -3669,7 +3669,7 @@ static int bcmgenet_resume(struct device *d) phy_init_hw(priv->phydev); /* Speed settings must be restored */ - bcmgenet_mii_config(priv->dev); + bcmgenet_mii_config(priv->dev, false); /* disable ethernet MAC while updating its registers */ umac_enable_set(priv, CMD_TX_EN | CMD_RX_EN, false); diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index b9344de669f8..3a34fdba5301 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -698,7 +698,7 @@ GENET_IO_MACRO(rbuf, GENET_RBUF_OFF); /* MDIO routines */ int bcmgenet_mii_init(struct net_device *dev); -int bcmgenet_mii_config(struct net_device *dev); +int bcmgenet_mii_config(struct net_device *dev, bool init); int bcmgenet_mii_probe(struct net_device *dev); void bcmgenet_mii_exit(struct net_device *dev); void bcmgenet_mii_reset(struct net_device *dev); diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index 071fcbd14e6a..30cb97b4a1d7 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -238,7 +238,7 @@ static void bcmgenet_moca_phy_setup(struct bcmgenet_priv *priv) bcmgenet_fixed_phy_link_update); } -int bcmgenet_mii_config(struct net_device *dev) +int bcmgenet_mii_config(struct net_device *dev, bool init) { struct bcmgenet_priv *priv = netdev_priv(dev); struct phy_device *phydev = priv->phydev; @@ -327,7 +327,8 @@ int bcmgenet_mii_config(struct net_device *dev) bcmgenet_ext_writel(priv, reg, EXT_RGMII_OOB_CTRL); } - dev_info_once(kdev, "configuring instance for %s\n", phy_name); + if (init) + dev_info(kdev, "configuring instance for %s\n", phy_name); return 0; } @@ -375,7 +376,7 @@ int bcmgenet_mii_probe(struct net_device *dev) * PHY speed which is needed for bcmgenet_mii_config() to configure * things appropriately. */ - ret = bcmgenet_mii_config(dev); + ret = bcmgenet_mii_config(dev, true); if (ret) { phy_disconnect(priv->phydev); return ret; diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index 79112563a25a..5e5c4d7796b8 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -292,11 +292,30 @@ static void bgx_sgmii_change_link_state(struct lmac *lmac) u64 cmr_cfg; u64 port_cfg = 0; u64 misc_ctl = 0; + bool tx_en, rx_en; cmr_cfg = bgx_reg_read(bgx, lmac->lmacid, BGX_CMRX_CFG); - cmr_cfg &= ~CMR_EN; + tx_en = cmr_cfg & CMR_PKT_TX_EN; + rx_en = cmr_cfg & CMR_PKT_RX_EN; + cmr_cfg &= ~(CMR_PKT_RX_EN | CMR_PKT_TX_EN); bgx_reg_write(bgx, lmac->lmacid, BGX_CMRX_CFG, cmr_cfg); + /* Wait for BGX RX to be idle */ + if (bgx_poll_reg(bgx, lmac->lmacid, BGX_GMP_GMI_PRTX_CFG, + GMI_PORT_CFG_RX_IDLE, false)) { + dev_err(&bgx->pdev->dev, "BGX%d LMAC%d GMI RX not idle\n", + bgx->bgx_id, lmac->lmacid); + return; + } + + /* Wait for BGX TX to be idle */ + if (bgx_poll_reg(bgx, lmac->lmacid, BGX_GMP_GMI_PRTX_CFG, + GMI_PORT_CFG_TX_IDLE, false)) { + dev_err(&bgx->pdev->dev, "BGX%d LMAC%d GMI TX not idle\n", + bgx->bgx_id, lmac->lmacid); + return; + } + port_cfg = bgx_reg_read(bgx, lmac->lmacid, BGX_GMP_GMI_PRTX_CFG); misc_ctl = bgx_reg_read(bgx, lmac->lmacid, BGX_GMP_PCS_MISCX_CTL); @@ -347,10 +366,8 @@ static void bgx_sgmii_change_link_state(struct lmac *lmac) bgx_reg_write(bgx, lmac->lmacid, BGX_GMP_PCS_MISCX_CTL, misc_ctl); bgx_reg_write(bgx, lmac->lmacid, BGX_GMP_GMI_PRTX_CFG, port_cfg); - port_cfg = bgx_reg_read(bgx, lmac->lmacid, BGX_GMP_GMI_PRTX_CFG); - - /* Re-enable lmac */ - cmr_cfg |= CMR_EN; + /* Restore CMR config settings */ + cmr_cfg |= (rx_en ? CMR_PKT_RX_EN : 0) | (tx_en ? CMR_PKT_TX_EN : 0); bgx_reg_write(bgx, lmac->lmacid, BGX_CMRX_CFG, cmr_cfg); if (bgx->is_rgx && (cmr_cfg & (CMR_PKT_RX_EN | CMR_PKT_TX_EN))) diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h index 6b7fe6fdd13b..23acdc5ab896 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h @@ -170,6 +170,8 @@ #define GMI_PORT_CFG_DUPLEX BIT_ULL(2) #define GMI_PORT_CFG_SLOT_TIME BIT_ULL(3) #define GMI_PORT_CFG_SPEED_MSB BIT_ULL(8) +#define GMI_PORT_CFG_RX_IDLE BIT_ULL(12) +#define GMI_PORT_CFG_TX_IDLE BIT_ULL(13) #define BGX_GMP_GMI_RXX_JABBER 0x38038 #define BGX_GMP_GMI_TXX_THRESH 0x38210 #define BGX_GMP_GMI_TXX_APPEND 0x38218 diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 95bf5e89cfd1..34dae51effd4 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -125,7 +125,7 @@ static int ftgmac100_reset_mac(struct ftgmac100 *priv, u32 maccr) iowrite32(maccr, priv->base + FTGMAC100_OFFSET_MACCR); iowrite32(maccr | FTGMAC100_MACCR_SW_RST, priv->base + FTGMAC100_OFFSET_MACCR); - for (i = 0; i < 50; i++) { + for (i = 0; i < 200; i++) { unsigned int maccr; maccr = ioread32(priv->base + FTGMAC100_OFFSET_MACCR); @@ -392,7 +392,7 @@ static int ftgmac100_alloc_rx_buf(struct ftgmac100 *priv, unsigned int entry, struct net_device *netdev = priv->netdev; struct sk_buff *skb; dma_addr_t map; - int err; + int err = 0; skb = netdev_alloc_skb_ip_align(netdev, RX_BUF_SIZE); if (unlikely(!skb)) { @@ -428,7 +428,7 @@ static int ftgmac100_alloc_rx_buf(struct ftgmac100 *priv, unsigned int entry, else rxdes->rxdes0 = 0; - return 0; + return err; } static unsigned int ftgmac100_next_rx_pointer(struct ftgmac100 *priv, @@ -1682,6 +1682,7 @@ static int ftgmac100_setup_mdio(struct net_device *netdev) priv->mii_bus->name = "ftgmac100_mdio"; snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%d", pdev->name, pdev->id); + priv->mii_bus->parent = priv->dev; priv->mii_bus->priv = priv->netdev; priv->mii_bus->read = ftgmac100_mdiobus_read; priv->mii_bus->write = ftgmac100_mdiobus_write; diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index a3e694679635..c45e8e3b82d3 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -111,6 +111,7 @@ static void send_request_map(struct ibmvnic_adapter *, dma_addr_t, __be32, u8); static void send_request_unmap(struct ibmvnic_adapter *, u8); static void send_login(struct ibmvnic_adapter *adapter); static void send_cap_queries(struct ibmvnic_adapter *adapter); +static int init_sub_crqs(struct ibmvnic_adapter *); static int init_sub_crq_irqs(struct ibmvnic_adapter *adapter); static int ibmvnic_init(struct ibmvnic_adapter *); static void release_crq_queue(struct ibmvnic_adapter *); @@ -651,6 +652,7 @@ static int ibmvnic_login(struct net_device *netdev) struct ibmvnic_adapter *adapter = netdev_priv(netdev); unsigned long timeout = msecs_to_jiffies(30000); struct device *dev = &adapter->vdev->dev; + int rc; do { if (adapter->renegotiate) { @@ -664,6 +666,18 @@ static int ibmvnic_login(struct net_device *netdev) dev_err(dev, "Capabilities query timeout\n"); return -1; } + rc = init_sub_crqs(adapter); + if (rc) { + dev_err(dev, + "Initialization of SCRQ's failed\n"); + return -1; + } + rc = init_sub_crq_irqs(adapter); + if (rc) { + dev_err(dev, + "Initialization of SCRQ's irqs failed\n"); + return -1; + } } reinit_completion(&adapter->init_done); @@ -3004,7 +3018,6 @@ static void handle_request_cap_rsp(union ibmvnic_crq *crq, *req_value, (long int)be64_to_cpu(crq->request_capability_rsp. number), name); - release_sub_crqs(adapter); *req_value = be64_to_cpu(crq->request_capability_rsp.number); ibmvnic_send_req_caps(adapter, 1); return; diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index b936febc315a..2194960d5855 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -1113,6 +1113,8 @@ int i40e_setup_tx_descriptors(struct i40e_ring *tx_ring) if (!tx_ring->tx_bi) goto err; + u64_stats_init(&tx_ring->syncp); + /* round up to nearest 4K */ tx_ring->size = tx_ring->count * sizeof(struct i40e_tx_desc); /* add u32 for head writeback, align after this takes care of diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 084c53582793..032f8ac06357 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -2988,6 +2988,8 @@ int ixgbevf_setup_tx_resources(struct ixgbevf_ring *tx_ring) if (!tx_ring->tx_buffer_info) goto err; + u64_stats_init(&tx_ring->syncp); + /* round up to nearest 4K */ tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc); tx_ring->size = ALIGN(tx_ring->size, 4096); @@ -3046,6 +3048,8 @@ int ixgbevf_setup_rx_resources(struct ixgbevf_ring *rx_ring) if (!rx_ring->rx_buffer_info) goto err; + u64_stats_init(&rx_ring->syncp); + /* Round up to nearest 4K */ rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc); rx_ring->size = ALIGN(rx_ring->size, 4096); diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index 5794d98d946f..9c94ea9b2b80 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -2734,7 +2734,7 @@ static int mv643xx_eth_shared_of_add_port(struct platform_device *pdev, ppd.shared = pdev; memset(&res, 0, sizeof(res)); - if (!of_irq_to_resource(pnp, 0, &res)) { + if (of_irq_to_resource(pnp, 0, &res) <= 0) { dev_err(&pdev->dev, "missing interrupt on %s\n", pnp->name); return -EINVAL; } diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index b3d0c2e6347a..e588a0cdb074 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -22,6 +22,7 @@ #include <linux/if_vlan.h> #include <linux/reset.h> #include <linux/tcp.h> +#include <linux/interrupt.h> #include "mtk_eth_soc.h" @@ -947,6 +948,10 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, RX_DMA_FPORT_MASK; mac--; + if (unlikely(mac < 0 || mac >= MTK_MAC_COUNT || + !eth->netdev[mac])) + goto release_desc; + netdev = eth->netdev[mac]; if (unlikely(test_bit(MTK_RESETTING, ð->state))) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index c751a1d434ad..3d4e4a5d00d1 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -223,6 +223,7 @@ static void mlx4_en_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) { struct mlx4_en_priv *priv = netdev_priv(netdev); + struct mlx4_caps *caps = &priv->mdev->dev->caps; int err = 0; u64 config = 0; u64 mask; @@ -235,24 +236,24 @@ static void mlx4_en_get_wol(struct net_device *netdev, mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 : MLX4_DEV_CAP_FLAG_WOL_PORT2; - if (!(priv->mdev->dev->caps.flags & mask)) { + if (!(caps->flags & mask)) { wol->supported = 0; wol->wolopts = 0; return; } + if (caps->wol_port[priv->port]) + wol->supported = WAKE_MAGIC; + else + wol->supported = 0; + err = mlx4_wol_read(priv->mdev->dev, &config, priv->port); if (err) { en_err(priv, "Failed to get WoL information\n"); return; } - if (config & MLX4_EN_WOL_MAGIC) - wol->supported = WAKE_MAGIC; - else - wol->supported = 0; - - if (config & MLX4_EN_WOL_ENABLED) + if ((config & MLX4_EN_WOL_ENABLED) && (config & MLX4_EN_WOL_MAGIC)) wol->wolopts = WAKE_MAGIC; else wol->wolopts = 0; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 436f7689a032..bf1638044a7a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -574,16 +574,21 @@ static inline __wsum get_fixed_vlan_csum(__wsum hw_checksum, * header, the HW adds it. To address that, we are subtracting the pseudo * header checksum from the checksum value provided by the HW. */ -static void get_fixed_ipv4_csum(__wsum hw_checksum, struct sk_buff *skb, - struct iphdr *iph) +static int get_fixed_ipv4_csum(__wsum hw_checksum, struct sk_buff *skb, + struct iphdr *iph) { __u16 length_for_csum = 0; __wsum csum_pseudo_header = 0; + __u8 ipproto = iph->protocol; + + if (unlikely(ipproto == IPPROTO_SCTP)) + return -1; length_for_csum = (be16_to_cpu(iph->tot_len) - (iph->ihl << 2)); csum_pseudo_header = csum_tcpudp_nofold(iph->saddr, iph->daddr, - length_for_csum, iph->protocol, 0); + length_for_csum, ipproto, 0); skb->csum = csum_sub(hw_checksum, csum_pseudo_header); + return 0; } #if IS_ENABLED(CONFIG_IPV6) @@ -594,17 +599,20 @@ static void get_fixed_ipv4_csum(__wsum hw_checksum, struct sk_buff *skb, static int get_fixed_ipv6_csum(__wsum hw_checksum, struct sk_buff *skb, struct ipv6hdr *ipv6h) { + __u8 nexthdr = ipv6h->nexthdr; __wsum csum_pseudo_hdr = 0; - if (unlikely(ipv6h->nexthdr == IPPROTO_FRAGMENT || - ipv6h->nexthdr == IPPROTO_HOPOPTS)) + if (unlikely(nexthdr == IPPROTO_FRAGMENT || + nexthdr == IPPROTO_HOPOPTS || + nexthdr == IPPROTO_SCTP)) return -1; - hw_checksum = csum_add(hw_checksum, (__force __wsum)htons(ipv6h->nexthdr)); + hw_checksum = csum_add(hw_checksum, (__force __wsum)htons(nexthdr)); csum_pseudo_hdr = csum_partial(&ipv6h->saddr, sizeof(ipv6h->saddr) + sizeof(ipv6h->daddr), 0); csum_pseudo_hdr = csum_add(csum_pseudo_hdr, (__force __wsum)ipv6h->payload_len); - csum_pseudo_hdr = csum_add(csum_pseudo_hdr, (__force __wsum)ntohs(ipv6h->nexthdr)); + csum_pseudo_hdr = csum_add(csum_pseudo_hdr, + (__force __wsum)htons(nexthdr)); skb->csum = csum_sub(hw_checksum, csum_pseudo_hdr); skb->csum = csum_add(skb->csum, csum_partial(ipv6h, sizeof(struct ipv6hdr), 0)); @@ -627,11 +635,10 @@ static int check_csum(struct mlx4_cqe *cqe, struct sk_buff *skb, void *va, } if (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPV4)) - get_fixed_ipv4_csum(hw_checksum, skb, hdr); + return get_fixed_ipv4_csum(hw_checksum, skb, hdr); #if IS_ENABLED(CONFIG_IPV6) - else if (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPV6)) - if (unlikely(get_fixed_ipv6_csum(hw_checksum, skb, hdr))) - return -1; + if (cqe->status & cpu_to_be16(MLX4_CQE_STATUS_IPV6)) + return get_fixed_ipv6_csum(hw_checksum, skb, hdr); #endif return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 37e84a59e751..041c0ed65929 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -159,8 +159,9 @@ static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags) [32] = "Loopback source checks support", [33] = "RoCEv2 support", [34] = "DMFS Sniffer support (UC & MC)", - [35] = "QinQ VST mode support", - [36] = "sl to vl mapping table change event support" + [35] = "Diag counters per port", + [36] = "QinQ VST mode support", + [37] = "sl to vl mapping table change event support", }; int i; @@ -764,6 +765,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40 +#define QUERY_DEV_CAP_WOL_OFFSET 0x43 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49 @@ -920,6 +922,9 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET); dev_cap->flags = flags | (u64)ext_flags << 32; + MLX4_GET(field, outbox, QUERY_DEV_CAP_WOL_OFFSET); + dev_cap->wol_port[1] = !!(field & 0x20); + dev_cap->wol_port[2] = !!(field & 0x40); MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET); dev_cap->reserved_uars = field >> 4; MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET); diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.h b/drivers/net/ethernet/mellanox/mlx4/fw.h index 5343a0599253..b52ba01aa486 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.h +++ b/drivers/net/ethernet/mellanox/mlx4/fw.h @@ -129,6 +129,7 @@ struct mlx4_dev_cap { u32 dmfs_high_rate_qpn_range; struct mlx4_rate_limit_caps rl_caps; struct mlx4_port_cap port_cap[MLX4_MAX_PORTS + 1]; + bool wol_port[MLX4_MAX_PORTS + 1]; }; struct mlx4_func_cap { diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index a27c9c13a36e..09b9bc17bce9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -424,6 +424,8 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.stat_rate_support = dev_cap->stat_rate_support; dev->caps.max_gso_sz = dev_cap->max_gso_sz; dev->caps.max_rss_tbl_sz = dev_cap->max_rss_tbl_sz; + dev->caps.wol_port[1] = dev_cap->wol_port[1]; + dev->caps.wol_port[2] = dev_cap->wol_port[2]; /* Save uar page shift */ if (!mlx4_is_slave(dev)) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index f5a2c605749f..31cbe5e86a01 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -786,6 +786,10 @@ static void cb_timeout_handler(struct work_struct *work) mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true); } +static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg); +static void mlx5_free_cmd_msg(struct mlx5_core_dev *dev, + struct mlx5_cmd_msg *msg); + static void cmd_work_handler(struct work_struct *work) { struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work); @@ -796,17 +800,28 @@ static void cmd_work_handler(struct work_struct *work) struct semaphore *sem; unsigned long flags; bool poll_cmd = ent->polling; + int alloc_ret; sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem; down(sem); if (!ent->page_queue) { - ent->idx = alloc_ent(cmd); - if (ent->idx < 0) { + alloc_ret = alloc_ent(cmd); + if (alloc_ret < 0) { mlx5_core_err(dev, "failed to allocate command entry\n"); + if (ent->callback) { + ent->callback(-EAGAIN, ent->context); + mlx5_free_cmd_msg(dev, ent->out); + free_msg(dev, ent->in); + free_cmd(ent); + } else { + ent->ret = -EAGAIN; + complete(&ent->done); + } up(sem); return; } + ent->idx = alloc_ret; } else { ent->idx = cmd->max_reg_cmds; spin_lock_irqsave(&cmd->alloc_lock, flags); @@ -967,7 +982,7 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in, err = wait_func(dev, ent); if (err == -ETIMEDOUT) - goto out_free; + goto out; ds = ent->ts2 - ent->ts1; op = MLX5_GET(mbox_in, in->first.data, opcode); @@ -1430,6 +1445,7 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool forced) mlx5_core_err(dev, "Command completion arrived after timeout (entry idx = %d).\n", ent->idx); free_ent(cmd, ent->idx); + free_cmd(ent); } continue; } @@ -1488,7 +1504,8 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool forced) free_msg(dev, ent->in); err = err ? err : ent->status; - free_cmd(ent); + if (!forced) + free_cmd(ent); callback(err, context); } else { complete(&ent->done); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index e1b7ddfecd01..0039b4725405 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -266,6 +266,14 @@ struct mlx5e_dcbx { }; #endif +#define MAX_PIN_NUM 8 +struct mlx5e_pps { + u8 pin_caps[MAX_PIN_NUM]; + struct work_struct out_work; + u64 start[MAX_PIN_NUM]; + u8 enabled; +}; + struct mlx5e_tstamp { rwlock_t lock; struct cyclecounter cycles; @@ -277,7 +285,7 @@ struct mlx5e_tstamp { struct mlx5_core_dev *mdev; struct ptp_clock *ptp; struct ptp_clock_info ptp_info; - u8 *pps_pin_caps; + struct mlx5e_pps pps_info; }; enum { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c index 66f432385dbb..84dd63e74041 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_clock.c @@ -53,6 +53,15 @@ enum { MLX5E_EVENT_MODE_ONCE_TILL_ARM = 0x2, }; +enum { + MLX5E_MTPPS_FS_ENABLE = BIT(0x0), + MLX5E_MTPPS_FS_PATTERN = BIT(0x2), + MLX5E_MTPPS_FS_PIN_MODE = BIT(0x3), + MLX5E_MTPPS_FS_TIME_STAMP = BIT(0x4), + MLX5E_MTPPS_FS_OUT_PULSE_DURATION = BIT(0x5), + MLX5E_MTPPS_FS_ENH_OUT_PER_ADJ = BIT(0x7), +}; + void mlx5e_fill_hwstamp(struct mlx5e_tstamp *tstamp, u64 timestamp, struct skb_shared_hwtstamps *hwts) { @@ -73,17 +82,46 @@ static u64 mlx5e_read_internal_timer(const struct cyclecounter *cc) return mlx5_read_internal_timer(tstamp->mdev) & cc->mask; } +static void mlx5e_pps_out(struct work_struct *work) +{ + struct mlx5e_pps *pps_info = container_of(work, struct mlx5e_pps, + out_work); + struct mlx5e_tstamp *tstamp = container_of(pps_info, struct mlx5e_tstamp, + pps_info); + u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0}; + unsigned long flags; + int i; + + for (i = 0; i < tstamp->ptp_info.n_pins; i++) { + u64 tstart; + + write_lock_irqsave(&tstamp->lock, flags); + tstart = tstamp->pps_info.start[i]; + tstamp->pps_info.start[i] = 0; + write_unlock_irqrestore(&tstamp->lock, flags); + if (!tstart) + continue; + + MLX5_SET(mtpps_reg, in, pin, i); + MLX5_SET64(mtpps_reg, in, time_stamp, tstart); + MLX5_SET(mtpps_reg, in, field_select, MLX5E_MTPPS_FS_TIME_STAMP); + mlx5_set_mtpps(tstamp->mdev, in, sizeof(in)); + } +} + static void mlx5e_timestamp_overflow(struct work_struct *work) { struct delayed_work *dwork = to_delayed_work(work); struct mlx5e_tstamp *tstamp = container_of(dwork, struct mlx5e_tstamp, overflow_work); + struct mlx5e_priv *priv = container_of(tstamp, struct mlx5e_priv, tstamp); unsigned long flags; write_lock_irqsave(&tstamp->lock, flags); timecounter_read(&tstamp->clock); write_unlock_irqrestore(&tstamp->lock, flags); - schedule_delayed_work(&tstamp->overflow_work, tstamp->overflow_period); + queue_delayed_work(priv->wq, &tstamp->overflow_work, + msecs_to_jiffies(tstamp->overflow_period * 1000)); } int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr) @@ -213,18 +251,6 @@ static int mlx5e_ptp_adjfreq(struct ptp_clock_info *ptp, s32 delta) int neg_adj = 0; struct mlx5e_tstamp *tstamp = container_of(ptp, struct mlx5e_tstamp, ptp_info); - struct mlx5e_priv *priv = - container_of(tstamp, struct mlx5e_priv, tstamp); - - if (MLX5_CAP_GEN(priv->mdev, pps_modify)) { - u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0}; - - /* For future use need to add a loop for finding all 1PPS out pins */ - MLX5_SET(mtpps_reg, in, pin_mode, MLX5E_PIN_MODE_OUT); - MLX5_SET(mtpps_reg, in, out_periodic_adjustment, delta & 0xFFFF); - - mlx5_set_mtpps(priv->mdev, in, sizeof(in)); - } if (delta < 0) { neg_adj = 1; @@ -253,12 +279,13 @@ static int mlx5e_extts_configure(struct ptp_clock_info *ptp, struct mlx5e_priv *priv = container_of(tstamp, struct mlx5e_priv, tstamp); u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0}; + u32 field_select = 0; + u8 pin_mode = 0; u8 pattern = 0; int pin = -1; int err = 0; - if (!MLX5_CAP_GEN(priv->mdev, pps) || - !MLX5_CAP_GEN(priv->mdev, pps_modify)) + if (!MLX5_PPS_CAP(priv->mdev)) return -EOPNOTSUPP; if (rq->extts.index >= tstamp->ptp_info.n_pins) @@ -268,15 +295,21 @@ static int mlx5e_extts_configure(struct ptp_clock_info *ptp, pin = ptp_find_pin(tstamp->ptp, PTP_PF_EXTTS, rq->extts.index); if (pin < 0) return -EBUSY; + pin_mode = MLX5E_PIN_MODE_IN; + pattern = !!(rq->extts.flags & PTP_FALLING_EDGE); + field_select = MLX5E_MTPPS_FS_PIN_MODE | + MLX5E_MTPPS_FS_PATTERN | + MLX5E_MTPPS_FS_ENABLE; + } else { + pin = rq->extts.index; + field_select = MLX5E_MTPPS_FS_ENABLE; } - if (rq->extts.flags & PTP_FALLING_EDGE) - pattern = 1; - MLX5_SET(mtpps_reg, in, pin, pin); - MLX5_SET(mtpps_reg, in, pin_mode, MLX5E_PIN_MODE_IN); + MLX5_SET(mtpps_reg, in, pin_mode, pin_mode); MLX5_SET(mtpps_reg, in, pattern, pattern); MLX5_SET(mtpps_reg, in, enable, on); + MLX5_SET(mtpps_reg, in, field_select, field_select); err = mlx5_set_mtpps(priv->mdev, in, sizeof(in)); if (err) @@ -295,14 +328,18 @@ static int mlx5e_perout_configure(struct ptp_clock_info *ptp, struct mlx5e_priv *priv = container_of(tstamp, struct mlx5e_priv, tstamp); u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0}; - u64 nsec_now, nsec_delta, time_stamp; + u64 nsec_now, nsec_delta, time_stamp = 0; u64 cycles_now, cycles_delta; struct timespec64 ts; unsigned long flags; + u32 field_select = 0; + u8 pin_mode = 0; + u8 pattern = 0; int pin = -1; + int err = 0; s64 ns; - if (!MLX5_CAP_GEN(priv->mdev, pps_modify)) + if (!MLX5_PPS_CAP(priv->mdev)) return -EOPNOTSUPP; if (rq->perout.index >= tstamp->ptp_info.n_pins) @@ -313,32 +350,60 @@ static int mlx5e_perout_configure(struct ptp_clock_info *ptp, rq->perout.index); if (pin < 0) return -EBUSY; - } - ts.tv_sec = rq->perout.period.sec; - ts.tv_nsec = rq->perout.period.nsec; - ns = timespec64_to_ns(&ts); - if (on) + pin_mode = MLX5E_PIN_MODE_OUT; + pattern = MLX5E_OUT_PATTERN_PERIODIC; + ts.tv_sec = rq->perout.period.sec; + ts.tv_nsec = rq->perout.period.nsec; + ns = timespec64_to_ns(&ts); + if ((ns >> 1) != 500000000LL) return -EINVAL; - ts.tv_sec = rq->perout.start.sec; - ts.tv_nsec = rq->perout.start.nsec; - ns = timespec64_to_ns(&ts); - cycles_now = mlx5_read_internal_timer(tstamp->mdev); - write_lock_irqsave(&tstamp->lock, flags); - nsec_now = timecounter_cyc2time(&tstamp->clock, cycles_now); - nsec_delta = ns - nsec_now; - cycles_delta = div64_u64(nsec_delta << tstamp->cycles.shift, - tstamp->cycles.mult); - write_unlock_irqrestore(&tstamp->lock, flags); - time_stamp = cycles_now + cycles_delta; + + ts.tv_sec = rq->perout.start.sec; + ts.tv_nsec = rq->perout.start.nsec; + ns = timespec64_to_ns(&ts); + cycles_now = mlx5_read_internal_timer(tstamp->mdev); + write_lock_irqsave(&tstamp->lock, flags); + nsec_now = timecounter_cyc2time(&tstamp->clock, cycles_now); + nsec_delta = ns - nsec_now; + cycles_delta = div64_u64(nsec_delta << tstamp->cycles.shift, + tstamp->cycles.mult); + write_unlock_irqrestore(&tstamp->lock, flags); + time_stamp = cycles_now + cycles_delta; + field_select = MLX5E_MTPPS_FS_PIN_MODE | + MLX5E_MTPPS_FS_PATTERN | + MLX5E_MTPPS_FS_ENABLE | + MLX5E_MTPPS_FS_TIME_STAMP; + } else { + pin = rq->perout.index; + field_select = MLX5E_MTPPS_FS_ENABLE; + } + MLX5_SET(mtpps_reg, in, pin, pin); - MLX5_SET(mtpps_reg, in, pin_mode, MLX5E_PIN_MODE_OUT); - MLX5_SET(mtpps_reg, in, pattern, MLX5E_OUT_PATTERN_PERIODIC); + MLX5_SET(mtpps_reg, in, pin_mode, pin_mode); + MLX5_SET(mtpps_reg, in, pattern, pattern); MLX5_SET(mtpps_reg, in, enable, on); MLX5_SET64(mtpps_reg, in, time_stamp, time_stamp); + MLX5_SET(mtpps_reg, in, field_select, field_select); + + err = mlx5_set_mtpps(priv->mdev, in, sizeof(in)); + if (err) + return err; - return mlx5_set_mtpps(priv->mdev, in, sizeof(in)); + return mlx5_set_mtppse(priv->mdev, pin, 0, + MLX5E_EVENT_MODE_REPETETIVE & on); +} + +static int mlx5e_pps_configure(struct ptp_clock_info *ptp, + struct ptp_clock_request *rq, + int on) +{ + struct mlx5e_tstamp *tstamp = + container_of(ptp, struct mlx5e_tstamp, ptp_info); + + tstamp->pps_info.enabled = !!on; + return 0; } static int mlx5e_ptp_enable(struct ptp_clock_info *ptp, @@ -350,6 +415,8 @@ static int mlx5e_ptp_enable(struct ptp_clock_info *ptp, return mlx5e_extts_configure(ptp, rq, on); case PTP_CLK_REQ_PEROUT: return mlx5e_perout_configure(ptp, rq, on); + case PTP_CLK_REQ_PPS: + return mlx5e_pps_configure(ptp, rq, on); default: return -EOPNOTSUPP; } @@ -395,6 +462,7 @@ static int mlx5e_init_pin_config(struct mlx5e_tstamp *tstamp) return -ENOMEM; tstamp->ptp_info.enable = mlx5e_ptp_enable; tstamp->ptp_info.verify = mlx5e_ptp_verify; + tstamp->ptp_info.pps = 1; for (i = 0; i < tstamp->ptp_info.n_pins; i++) { snprintf(tstamp->ptp_info.pin_config[i].name, @@ -422,22 +490,56 @@ static void mlx5e_get_pps_caps(struct mlx5e_priv *priv, tstamp->ptp_info.n_per_out = MLX5_GET(mtpps_reg, out, cap_max_num_of_pps_out_pins); - tstamp->pps_pin_caps[0] = MLX5_GET(mtpps_reg, out, cap_pin_0_mode); - tstamp->pps_pin_caps[1] = MLX5_GET(mtpps_reg, out, cap_pin_1_mode); - tstamp->pps_pin_caps[2] = MLX5_GET(mtpps_reg, out, cap_pin_2_mode); - tstamp->pps_pin_caps[3] = MLX5_GET(mtpps_reg, out, cap_pin_3_mode); - tstamp->pps_pin_caps[4] = MLX5_GET(mtpps_reg, out, cap_pin_4_mode); - tstamp->pps_pin_caps[5] = MLX5_GET(mtpps_reg, out, cap_pin_5_mode); - tstamp->pps_pin_caps[6] = MLX5_GET(mtpps_reg, out, cap_pin_6_mode); - tstamp->pps_pin_caps[7] = MLX5_GET(mtpps_reg, out, cap_pin_7_mode); + tstamp->pps_info.pin_caps[0] = MLX5_GET(mtpps_reg, out, cap_pin_0_mode); + tstamp->pps_info.pin_caps[1] = MLX5_GET(mtpps_reg, out, cap_pin_1_mode); + tstamp->pps_info.pin_caps[2] = MLX5_GET(mtpps_reg, out, cap_pin_2_mode); + tstamp->pps_info.pin_caps[3] = MLX5_GET(mtpps_reg, out, cap_pin_3_mode); + tstamp->pps_info.pin_caps[4] = MLX5_GET(mtpps_reg, out, cap_pin_4_mode); + tstamp->pps_info.pin_caps[5] = MLX5_GET(mtpps_reg, out, cap_pin_5_mode); + tstamp->pps_info.pin_caps[6] = MLX5_GET(mtpps_reg, out, cap_pin_6_mode); + tstamp->pps_info.pin_caps[7] = MLX5_GET(mtpps_reg, out, cap_pin_7_mode); } void mlx5e_pps_event_handler(struct mlx5e_priv *priv, struct ptp_clock_event *event) { + struct net_device *netdev = priv->netdev; struct mlx5e_tstamp *tstamp = &priv->tstamp; + struct timespec64 ts; + u64 nsec_now, nsec_delta; + u64 cycles_now, cycles_delta; + int pin = event->index; + s64 ns; + unsigned long flags; - ptp_clock_event(tstamp->ptp, event); + switch (tstamp->ptp_info.pin_config[pin].func) { + case PTP_PF_EXTTS: + if (tstamp->pps_info.enabled) { + event->type = PTP_CLOCK_PPSUSR; + event->pps_times.ts_real = ns_to_timespec64(event->timestamp); + } else { + event->type = PTP_CLOCK_EXTTS; + } + ptp_clock_event(tstamp->ptp, event); + break; + case PTP_PF_PEROUT: + mlx5e_ptp_gettime(&tstamp->ptp_info, &ts); + cycles_now = mlx5_read_internal_timer(tstamp->mdev); + ts.tv_sec += 1; + ts.tv_nsec = 0; + ns = timespec64_to_ns(&ts); + write_lock_irqsave(&tstamp->lock, flags); + nsec_now = timecounter_cyc2time(&tstamp->clock, cycles_now); + nsec_delta = ns - nsec_now; + cycles_delta = div64_u64(nsec_delta << tstamp->cycles.shift, + tstamp->cycles.mult); + tstamp->pps_info.start[pin] = cycles_now + cycles_delta; + queue_work(priv->wq, &tstamp->pps_info.out_work); + write_unlock_irqrestore(&tstamp->lock, flags); + break; + default: + netdev_err(netdev, "%s: Unhandled event\n", __func__); + } } void mlx5e_timestamp_init(struct mlx5e_priv *priv) @@ -473,9 +575,10 @@ void mlx5e_timestamp_init(struct mlx5e_priv *priv) do_div(ns, NSEC_PER_SEC / 2 / HZ); tstamp->overflow_period = ns; + INIT_WORK(&tstamp->pps_info.out_work, mlx5e_pps_out); INIT_DELAYED_WORK(&tstamp->overflow_work, mlx5e_timestamp_overflow); if (tstamp->overflow_period) - schedule_delayed_work(&tstamp->overflow_work, 0); + queue_delayed_work(priv->wq, &tstamp->overflow_work, 0); else mlx5_core_warn(priv->mdev, "invalid overflow period, overflow_work is not scheduled\n"); @@ -484,16 +587,10 @@ void mlx5e_timestamp_init(struct mlx5e_priv *priv) snprintf(tstamp->ptp_info.name, 16, "mlx5 ptp"); /* Initialize 1PPS data structures */ -#define MAX_PIN_NUM 8 - tstamp->pps_pin_caps = kzalloc(sizeof(u8) * MAX_PIN_NUM, GFP_KERNEL); - if (tstamp->pps_pin_caps) { - if (MLX5_CAP_GEN(priv->mdev, pps)) - mlx5e_get_pps_caps(priv, tstamp); - if (tstamp->ptp_info.n_pins) - mlx5e_init_pin_config(tstamp); - } else { - mlx5_core_warn(priv->mdev, "1PPS initialization failed\n"); - } + if (MLX5_PPS_CAP(priv->mdev)) + mlx5e_get_pps_caps(priv, tstamp); + if (tstamp->ptp_info.n_pins) + mlx5e_init_pin_config(tstamp); tstamp->ptp = ptp_clock_register(&tstamp->ptp_info, &priv->mdev->pdev->dev); @@ -516,8 +613,7 @@ void mlx5e_timestamp_cleanup(struct mlx5e_priv *priv) priv->tstamp.ptp = NULL; } - kfree(tstamp->pps_pin_caps); - kfree(tstamp->ptp_info.pin_config); - + cancel_work_sync(&tstamp->pps_info.out_work); cancel_delayed_work_sync(&tstamp->overflow_work); + kfree(tstamp->ptp_info.pin_config); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c index bdd82c9b3992..eafc59280ada 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c @@ -276,7 +276,7 @@ static void add_rule_to_list(struct mlx5e_priv *priv, static bool outer_header_zero(u32 *match_criteria) { - int size = MLX5_ST_SZ_BYTES(fte_match_param); + int size = MLX5_FLD_SZ_BYTES(fte_match_param, outer_headers); char *outer_headers_c = MLX5_ADDR_OF(fte_match_param, match_criteria, outer_headers); @@ -320,7 +320,7 @@ add_ethtool_flow_rule(struct mlx5e_priv *priv, spec->match_criteria_enable = (!outer_header_zero(spec->match_criteria)); flow_act.flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; - rule = mlx5_add_flow_rules(ft, spec, &flow_act, dst, 1); + rule = mlx5_add_flow_rules(ft, spec, &flow_act, dst, dst ? 1 : 0); if (IS_ERR(rule)) { err = PTR_ERR(rule); netdev_err(priv->netdev, "%s: failed to add ethtool steering rule: %d\n", diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 1eac5003084f..57f31fa478ce 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -377,7 +377,6 @@ static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, break; case MLX5_DEV_EVENT_PPS: eqe = (struct mlx5_eqe *)param; - ptp_event.type = PTP_CLOCK_EXTTS; ptp_event.index = eqe->data.pps.pin; ptp_event.timestamp = timecounter_cyc2time(&priv->tstamp.clock, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index af51a5d2b912..52b9a64cd3a2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -698,7 +698,7 @@ int mlx5_start_eqs(struct mlx5_core_dev *dev) else mlx5_core_dbg(dev, "port_module_event is not set\n"); - if (MLX5_CAP_GEN(dev, pps)) + if (MLX5_PPS_CAP(dev)) async_event_mask |= (1ull << MLX5_EVENT_TYPE_PPS_EVENT); if (MLX5_CAP_GEN(dev, fpga)) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 89bfda419efe..8b18cc9ec026 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1668,7 +1668,8 @@ void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw) int i; if (!esw || !MLX5_CAP_GEN(esw->dev, vport_group_manager) || - MLX5_CAP_GEN(esw->dev, port_type) != MLX5_CAP_PORT_TYPE_ETH) + MLX5_CAP_GEN(esw->dev, port_type) != MLX5_CAP_PORT_TYPE_ETH || + esw->mode == SRIOV_NONE) return; esw_info(esw->dev, "disable SRIOV: active vports(%d) mode(%d)\n", diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c index 1ee5bce85901..85298051a3e4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c @@ -178,8 +178,6 @@ out: static void mlx5i_destroy_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp) { - mlx5_fs_remove_rx_underlay_qpn(mdev, qp->qpn); - mlx5_core_destroy_qp(mdev, qp); } @@ -194,8 +192,6 @@ static int mlx5i_init_tx(struct mlx5e_priv *priv) return err; } - mlx5_fs_add_rx_underlay_qpn(priv->mdev, ipriv->qp.qpn); - err = mlx5e_create_tis(priv->mdev, 0 /* tc */, ipriv->qp.qpn, &priv->tisn[0]); if (err) { mlx5_core_warn(priv->mdev, "create tis failed, %d\n", err); @@ -253,6 +249,7 @@ static void mlx5i_destroy_flow_steering(struct mlx5e_priv *priv) static int mlx5i_init_rx(struct mlx5e_priv *priv) { + struct mlx5i_priv *ipriv = priv->ppriv; int err; err = mlx5e_create_indirect_rqt(priv); @@ -271,12 +268,18 @@ static int mlx5i_init_rx(struct mlx5e_priv *priv) if (err) goto err_destroy_indirect_tirs; - err = mlx5i_create_flow_steering(priv); + err = mlx5_fs_add_rx_underlay_qpn(priv->mdev, ipriv->qp.qpn); if (err) goto err_destroy_direct_tirs; + err = mlx5i_create_flow_steering(priv); + if (err) + goto err_remove_rx_underlay_qpn; + return 0; +err_remove_rx_underlay_qpn: + mlx5_fs_remove_rx_underlay_qpn(priv->mdev, ipriv->qp.qpn); err_destroy_direct_tirs: mlx5e_destroy_direct_tirs(priv); err_destroy_indirect_tirs: @@ -290,6 +293,9 @@ err_destroy_indirect_rqts: static void mlx5i_cleanup_rx(struct mlx5e_priv *priv) { + struct mlx5i_priv *ipriv = priv->ppriv; + + mlx5_fs_remove_rx_underlay_qpn(priv->mdev, ipriv->qp.qpn); mlx5i_destroy_flow_steering(priv); mlx5e_destroy_direct_tirs(priv); mlx5e_destroy_indirect_tirs(priv); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c index a3a836bdcfd2..f26f97fe4666 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c @@ -162,22 +162,17 @@ static bool mlx5_lag_is_bonded(struct mlx5_lag *ldev) static void mlx5_infer_tx_affinity_mapping(struct lag_tracker *tracker, u8 *port1, u8 *port2) { - if (tracker->tx_type == NETDEV_LAG_TX_TYPE_ACTIVEBACKUP) { - if (tracker->netdev_state[0].tx_enabled) { - *port1 = 1; - *port2 = 1; - } else { - *port1 = 2; - *port2 = 2; - } - } else { - *port1 = 1; - *port2 = 2; - if (!tracker->netdev_state[0].link_up) - *port1 = 2; - else if (!tracker->netdev_state[1].link_up) - *port2 = 1; + *port1 = 1; + *port2 = 2; + if (!tracker->netdev_state[0].tx_enabled || + !tracker->netdev_state[0].link_up) { + *port1 = 2; + return; } + + if (!tracker->netdev_state[1].tx_enabled || + !tracker->netdev_state[1].link_up) + *port2 = 1; } static void mlx5_activate_lag(struct mlx5_lag *ldev, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h index 6a3d6bef7dd4..6a263e8d883a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h @@ -154,6 +154,11 @@ int mlx5_set_mtpps(struct mlx5_core_dev *mdev, u32 *mtpps, u32 mtpps_size); int mlx5_query_mtppse(struct mlx5_core_dev *mdev, u8 pin, u8 *arm, u8 *mode); int mlx5_set_mtppse(struct mlx5_core_dev *mdev, u8 pin, u8 arm, u8 mode); +#define MLX5_PPS_CAP(mdev) (MLX5_CAP_GEN((mdev), pps) && \ + MLX5_CAP_GEN((mdev), pps_modify) && \ + MLX5_CAP_MCAM_FEATURE((mdev), mtpps_fs) && \ + MLX5_CAP_MCAM_FEATURE((mdev), mtpps_enh_out_per_adj)) + int mlx5_firmware_flash(struct mlx5_core_dev *dev, const struct firmware *fw); void mlx5e_init(void); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c index bcdf7779c48d..bf99d40e30b4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c @@ -88,7 +88,11 @@ static void mlx5_device_disable_sriov(struct mlx5_core_dev *dev) int vf; if (!sriov->enabled_vfs) +#ifdef CONFIG_MLX5_CORE_EN + goto disable_sriov_resources; +#else return; +#endif for (vf = 0; vf < sriov->num_vfs; vf++) { if (!sriov->vfs_ctx[vf].enabled) @@ -103,6 +107,7 @@ static void mlx5_device_disable_sriov(struct mlx5_core_dev *dev) } #ifdef CONFIG_MLX5_CORE_EN +disable_sriov_resources: mlx5_eswitch_disable_sriov(dev->priv.eswitch); #endif diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 383fef5a8e24..4b2e0fd7d51e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -1512,6 +1512,10 @@ mlxsw_sp_nexthop_group_mac_update(struct mlxsw_sp *mlxsw_sp, static int mlxsw_sp_fib_entry_update(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_fib_entry *fib_entry); +static bool +mlxsw_sp_fib_node_entry_is_first(const struct mlxsw_sp_fib_node *fib_node, + const struct mlxsw_sp_fib_entry *fib_entry); + static int mlxsw_sp_nexthop_fib_entries_update(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_nexthop_group *nh_grp) @@ -1520,6 +1524,9 @@ mlxsw_sp_nexthop_fib_entries_update(struct mlxsw_sp *mlxsw_sp, int err; list_for_each_entry(fib_entry, &nh_grp->fib_list, nexthop_group_node) { + if (!mlxsw_sp_fib_node_entry_is_first(fib_entry->fib_node, + fib_entry)) + continue; err = mlxsw_sp_fib_entry_update(mlxsw_sp, fib_entry); if (err) return err; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index 656b2d3f1bee..5eb1606765c5 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -626,8 +626,8 @@ static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port, bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge, orig_dev); - if (WARN_ON(!bridge_port)) - return -EINVAL; + if (!bridge_port) + return 0; err = mlxsw_sp_bridge_port_flood_table_set(mlxsw_sp_port, bridge_port, MLXSW_SP_FLOOD_TYPE_UC, @@ -711,8 +711,8 @@ static int mlxsw_sp_port_attr_mc_router_set(struct mlxsw_sp_port *mlxsw_sp_port, bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp_port->mlxsw_sp->bridge, orig_dev); - if (WARN_ON(!bridge_port)) - return -EINVAL; + if (!bridge_port) + return 0; if (!bridge_port->bridge_device->multicast_enabled) return 0; @@ -1283,15 +1283,15 @@ static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port, return 0; bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); - if (WARN_ON(!bridge_port)) - return -EINVAL; + if (!bridge_port) + return 0; bridge_device = bridge_port->bridge_device; mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port, bridge_device, mdb->vid); - if (WARN_ON(!mlxsw_sp_port_vlan)) - return -EINVAL; + if (!mlxsw_sp_port_vlan) + return 0; fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid); @@ -1407,15 +1407,15 @@ static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port, int err = 0; bridge_port = mlxsw_sp_bridge_port_find(mlxsw_sp->bridge, orig_dev); - if (WARN_ON(!bridge_port)) - return -EINVAL; + if (!bridge_port) + return 0; bridge_device = bridge_port->bridge_device; mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_bridge(mlxsw_sp_port, bridge_device, mdb->vid); - if (WARN_ON(!mlxsw_sp_port_vlan)) - return -EINVAL; + if (!mlxsw_sp_port_vlan) + return 0; fid_index = mlxsw_sp_fid_index(mlxsw_sp_port_vlan->fid); @@ -1974,6 +1974,17 @@ static void mlxsw_sp_fdb_fini(struct mlxsw_sp *mlxsw_sp) } +static void mlxsw_sp_mids_fini(struct mlxsw_sp *mlxsw_sp) +{ + struct mlxsw_sp_mid *mid, *tmp; + + list_for_each_entry_safe(mid, tmp, &mlxsw_sp->bridge->mids_list, list) { + list_del(&mid->list); + clear_bit(mid->mid, mlxsw_sp->bridge->mids_bitmap); + kfree(mid); + } +} + int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp) { struct mlxsw_sp_bridge *bridge; @@ -1996,7 +2007,7 @@ int mlxsw_sp_switchdev_init(struct mlxsw_sp *mlxsw_sp) void mlxsw_sp_switchdev_fini(struct mlxsw_sp *mlxsw_sp) { mlxsw_sp_fdb_fini(mlxsw_sp); - WARN_ON(!list_empty(&mlxsw_sp->bridge->mids_list)); + mlxsw_sp_mids_fini(mlxsw_sp); WARN_ON(!list_empty(&mlxsw_sp->bridge->bridges_list)); kfree(mlxsw_sp->bridge); } diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 18750ff0ede6..4631ca8b8eb2 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -513,6 +513,7 @@ nfp_net_tx_ring_init(struct nfp_net_tx_ring *tx_ring, tx_ring->idx = idx; tx_ring->r_vec = r_vec; tx_ring->is_xdp = is_xdp; + u64_stats_init(&tx_ring->r_vec->tx_sync); tx_ring->qcidx = tx_ring->idx * nn->stride_tx; tx_ring->qcp_q = nn->tx_bar + NFP_QCP_QUEUE_OFF(tx_ring->qcidx); @@ -532,6 +533,7 @@ nfp_net_rx_ring_init(struct nfp_net_rx_ring *rx_ring, rx_ring->idx = idx; rx_ring->r_vec = r_vec; + u64_stats_init(&rx_ring->r_vec->rx_sync); rx_ring->fl_qcidx = rx_ring->idx * nn->stride_rx; rx_ring->qcp_fl = nn->rx_bar + NFP_QCP_QUEUE_OFF(rx_ring->fl_qcidx); diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c index 9da91045d167..3eb241657368 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c @@ -253,7 +253,7 @@ int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32); p_info->mfw_mb_cur = kzalloc(size, GFP_KERNEL); p_info->mfw_mb_shadow = kzalloc(size, GFP_KERNEL); - if (!p_info->mfw_mb_shadow || !p_info->mfw_mb_addr) + if (!p_info->mfw_mb_cur || !p_info->mfw_mb_shadow) goto err; return 0; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c index 22cf6353ba04..7ecf549c7f1c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c @@ -205,7 +205,7 @@ static void dwmac1000_dump_dma_regs(void __iomem *ioaddr, u32 *reg_space) { int i; - for (i = 0; i < 23; i++) + for (i = 0; i < NUM_DWMAC1000_DMA_REGS; i++) if ((i < 12) || (i > 17)) reg_space[DMA_BUS_MODE / 4 + i] = readl(ioaddr + DMA_BUS_MODE + i * 4); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c index eef2f222ce9a..6502b9aa3bf5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c @@ -70,7 +70,7 @@ static void dwmac100_dump_dma_regs(void __iomem *ioaddr, u32 *reg_space) { int i; - for (i = 0; i < 9; i++) + for (i = 0; i < NUM_DWMAC100_DMA_REGS; i++) reg_space[DMA_BUS_MODE / 4 + i] = readl(ioaddr + DMA_BUS_MODE + i * 4); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h b/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h index 9091df86723a..adc54006f884 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h @@ -136,6 +136,9 @@ #define DMA_STATUS_TI 0x00000001 /* Transmit Interrupt */ #define DMA_CONTROL_FTF 0x00100000 /* Flush transmit FIFO */ +#define NUM_DWMAC100_DMA_REGS 9 +#define NUM_DWMAC1000_DMA_REGS 23 + void dwmac_enable_dma_transmission(void __iomem *ioaddr); void dwmac_enable_dma_irq(void __iomem *ioaddr, u32 chan); void dwmac_disable_dma_irq(void __iomem *ioaddr, u32 chan); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index babb39c646ff..af30b4857c3b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -33,6 +33,8 @@ #define MAC100_ETHTOOL_NAME "st_mac100" #define GMAC_ETHTOOL_NAME "st_gmac" +#define ETHTOOL_DMA_OFFSET 55 + struct stmmac_stats { char stat_string[ETH_GSTRING_LEN]; int sizeof_stat; @@ -442,6 +444,9 @@ static void stmmac_ethtool_gregs(struct net_device *dev, priv->hw->mac->dump_regs(priv->hw, reg_space); priv->hw->dma->dump_regs(priv->ioaddr, reg_space); + /* Copy DMA registers to where ethtool expects them */ + memcpy(®_space[ETHTOOL_DMA_OFFSET], ®_space[DMA_BUS_MODE / 4], + NUM_DWMAC1000_DMA_REGS * 4); } static void diff --git a/drivers/net/ethernet/sun/sunhme.h b/drivers/net/ethernet/sun/sunhme.h index 3af540adb3c5..fca1bca7f69d 100644 --- a/drivers/net/ethernet/sun/sunhme.h +++ b/drivers/net/ethernet/sun/sunhme.h @@ -13,9 +13,9 @@ /* Happy Meal global registers. */ #define GREG_SWRESET 0x000UL /* Software Reset */ #define GREG_CFG 0x004UL /* Config Register */ -#define GREG_STAT 0x108UL /* Status */ -#define GREG_IMASK 0x10cUL /* Interrupt Mask */ -#define GREG_REG_SIZE 0x110UL +#define GREG_STAT 0x100UL /* Status */ +#define GREG_IMASK 0x104UL /* Interrupt Mask */ +#define GREG_REG_SIZE 0x108UL /* Global reset register. */ #define GREG_RESET_ETX 0x01 diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c index 32279d21c836..c2121d214f08 100644 --- a/drivers/net/ethernet/ti/cpts.c +++ b/drivers/net/ethernet/ti/cpts.c @@ -31,9 +31,18 @@ #include "cpts.h" +#define CPTS_SKB_TX_WORK_TIMEOUT 1 /* jiffies */ + +struct cpts_skb_cb_data { + unsigned long tmo; +}; + #define cpts_read32(c, r) readl_relaxed(&c->reg->r) #define cpts_write32(c, v, r) writel_relaxed(v, &c->reg->r) +static int cpts_match(struct sk_buff *skb, unsigned int ptp_class, + u16 ts_seqid, u8 ts_msgtype); + static int event_expired(struct cpts_event *event) { return time_after(jiffies, event->tmo); @@ -77,6 +86,47 @@ static int cpts_purge_events(struct cpts *cpts) return removed ? 0 : -1; } +static bool cpts_match_tx_ts(struct cpts *cpts, struct cpts_event *event) +{ + struct sk_buff *skb, *tmp; + u16 seqid; + u8 mtype; + bool found = false; + + mtype = (event->high >> MESSAGE_TYPE_SHIFT) & MESSAGE_TYPE_MASK; + seqid = (event->high >> SEQUENCE_ID_SHIFT) & SEQUENCE_ID_MASK; + + /* no need to grab txq.lock as access is always done under cpts->lock */ + skb_queue_walk_safe(&cpts->txq, skb, tmp) { + struct skb_shared_hwtstamps ssh; + unsigned int class = ptp_classify_raw(skb); + struct cpts_skb_cb_data *skb_cb = + (struct cpts_skb_cb_data *)skb->cb; + + if (cpts_match(skb, class, seqid, mtype)) { + u64 ns = timecounter_cyc2time(&cpts->tc, event->low); + + memset(&ssh, 0, sizeof(ssh)); + ssh.hwtstamp = ns_to_ktime(ns); + skb_tstamp_tx(skb, &ssh); + found = true; + __skb_unlink(skb, &cpts->txq); + dev_consume_skb_any(skb); + dev_dbg(cpts->dev, "match tx timestamp mtype %u seqid %04x\n", + mtype, seqid); + } else if (time_after(jiffies, skb_cb->tmo)) { + /* timeout any expired skbs over 1s */ + dev_dbg(cpts->dev, + "expiring tx timestamp mtype %u seqid %04x\n", + mtype, seqid); + __skb_unlink(skb, &cpts->txq); + dev_consume_skb_any(skb); + } + } + + return found; +} + /* * Returns zero if matching event type was found. */ @@ -101,9 +151,15 @@ static int cpts_fifo_read(struct cpts *cpts, int match) event->low = lo; type = event_type(event); switch (type) { + case CPTS_EV_TX: + if (cpts_match_tx_ts(cpts, event)) { + /* if the new event matches an existing skb, + * then don't queue it + */ + break; + } case CPTS_EV_PUSH: case CPTS_EV_RX: - case CPTS_EV_TX: list_del_init(&event->list); list_add_tail(&event->list, &cpts->events); break; @@ -224,6 +280,24 @@ static int cpts_ptp_enable(struct ptp_clock_info *ptp, return -EOPNOTSUPP; } +static long cpts_overflow_check(struct ptp_clock_info *ptp) +{ + struct cpts *cpts = container_of(ptp, struct cpts, info); + unsigned long delay = cpts->ov_check_period; + struct timespec64 ts; + unsigned long flags; + + spin_lock_irqsave(&cpts->lock, flags); + ts = ns_to_timespec64(timecounter_read(&cpts->tc)); + + if (!skb_queue_empty(&cpts->txq)) + delay = CPTS_SKB_TX_WORK_TIMEOUT; + spin_unlock_irqrestore(&cpts->lock, flags); + + pr_debug("cpts overflow check at %lld.%09lu\n", ts.tv_sec, ts.tv_nsec); + return (long)delay; +} + static struct ptp_clock_info cpts_info = { .owner = THIS_MODULE, .name = "CTPS timer", @@ -236,18 +310,9 @@ static struct ptp_clock_info cpts_info = { .gettime64 = cpts_ptp_gettime, .settime64 = cpts_ptp_settime, .enable = cpts_ptp_enable, + .do_aux_work = cpts_overflow_check, }; -static void cpts_overflow_check(struct work_struct *work) -{ - struct timespec64 ts; - struct cpts *cpts = container_of(work, struct cpts, overflow_work.work); - - cpts_ptp_gettime(&cpts->info, &ts); - pr_debug("cpts overflow check at %lld.%09lu\n", ts.tv_sec, ts.tv_nsec); - schedule_delayed_work(&cpts->overflow_work, cpts->ov_check_period); -} - static int cpts_match(struct sk_buff *skb, unsigned int ptp_class, u16 ts_seqid, u8 ts_msgtype) { @@ -299,7 +364,7 @@ static u64 cpts_find_ts(struct cpts *cpts, struct sk_buff *skb, int ev_type) return 0; spin_lock_irqsave(&cpts->lock, flags); - cpts_fifo_read(cpts, CPTS_EV_PUSH); + cpts_fifo_read(cpts, -1); list_for_each_safe(this, next, &cpts->events) { event = list_entry(this, struct cpts_event, list); if (event_expired(event)) { @@ -317,6 +382,19 @@ static u64 cpts_find_ts(struct cpts *cpts, struct sk_buff *skb, int ev_type) break; } } + + if (ev_type == CPTS_EV_TX && !ns) { + struct cpts_skb_cb_data *skb_cb = + (struct cpts_skb_cb_data *)skb->cb; + /* Not found, add frame to queue for processing later. + * The periodic FIFO check will handle this. + */ + skb_get(skb); + /* get the timestamp for timeouts */ + skb_cb->tmo = jiffies + msecs_to_jiffies(100); + __skb_queue_tail(&cpts->txq, skb); + ptp_schedule_worker(cpts->clock, 0); + } spin_unlock_irqrestore(&cpts->lock, flags); return ns; @@ -358,6 +436,7 @@ int cpts_register(struct cpts *cpts) { int err, i; + skb_queue_head_init(&cpts->txq); INIT_LIST_HEAD(&cpts->events); INIT_LIST_HEAD(&cpts->pool); for (i = 0; i < CPTS_MAX_EVENTS; i++) @@ -378,7 +457,7 @@ int cpts_register(struct cpts *cpts) } cpts->phc_index = ptp_clock_index(cpts->clock); - schedule_delayed_work(&cpts->overflow_work, cpts->ov_check_period); + ptp_schedule_worker(cpts->clock, cpts->ov_check_period); return 0; err_ptp: @@ -392,14 +471,15 @@ void cpts_unregister(struct cpts *cpts) if (WARN_ON(!cpts->clock)) return; - cancel_delayed_work_sync(&cpts->overflow_work); - ptp_clock_unregister(cpts->clock); cpts->clock = NULL; cpts_write32(cpts, 0, int_enable); cpts_write32(cpts, 0, control); + /* Drop all packet */ + skb_queue_purge(&cpts->txq); + clk_disable(cpts->refclk); } EXPORT_SYMBOL_GPL(cpts_unregister); @@ -476,7 +556,6 @@ struct cpts *cpts_create(struct device *dev, void __iomem *regs, cpts->dev = dev; cpts->reg = (struct cpsw_cpts __iomem *)regs; spin_lock_init(&cpts->lock); - INIT_DELAYED_WORK(&cpts->overflow_work, cpts_overflow_check); ret = cpts_of_parse(cpts, node); if (ret) diff --git a/drivers/net/ethernet/ti/cpts.h b/drivers/net/ethernet/ti/cpts.h index 01ea82ba9cdc..73d73faf0f38 100644 --- a/drivers/net/ethernet/ti/cpts.h +++ b/drivers/net/ethernet/ti/cpts.h @@ -119,13 +119,13 @@ struct cpts { u32 cc_mult; /* for the nominal frequency */ struct cyclecounter cc; struct timecounter tc; - struct delayed_work overflow_work; int phc_index; struct clk *refclk; struct list_head events; struct list_head pool; struct cpts_event pool_data[CPTS_MAX_EVENTS]; unsigned long ov_check_period; + struct sk_buff_head txq; }; void cpts_rx_timestamp(struct cpts *cpts, struct sk_buff *skb); diff --git a/drivers/net/ethernet/toshiba/tc35815.c b/drivers/net/ethernet/toshiba/tc35815.c index d9db8a06afd2..cce9c9ed46aa 100644 --- a/drivers/net/ethernet/toshiba/tc35815.c +++ b/drivers/net/ethernet/toshiba/tc35815.c @@ -1338,7 +1338,7 @@ static int tc35815_send_packet(struct sk_buff *skb, struct net_device *dev) static void tc35815_fatal_error_interrupt(struct net_device *dev, u32 status) { static int count; - printk(KERN_WARNING "%s: Fatal Error Intterrupt (%#x):", + printk(KERN_WARNING "%s: Fatal Error Interrupt (%#x):", dev->name, status); if (status & Int_IntPCI) printk(" IntPCI"); diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index de8156c6b292..2bbda71818ad 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1091,7 +1091,7 @@ static int geneve_validate(struct nlattr *tb[], struct nlattr *data[], if (data[IFLA_GENEVE_ID]) { __u32 vni = nla_get_u32(data[IFLA_GENEVE_ID]); - if (vni >= GENEVE_VID_MASK) + if (vni >= GENEVE_N_VID) return -ERANGE; } diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 1542e837fdfa..f38e32a7ec9c 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -364,7 +364,7 @@ static int gtp_dev_init(struct net_device *dev) gtp->dev = dev; - dev->tstats = alloc_percpu(struct pcpu_sw_netstats); + dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); if (!dev->tstats) return -ENOMEM; diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index d6c25580f8dd..12cc64bfcff8 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -765,7 +765,8 @@ struct netvsc_device { u32 max_chn; u32 num_chn; - refcount_t sc_offered; + atomic_t open_chn; + wait_queue_head_t subchan_open; struct rndis_device *extension; diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index 0a9167dd72fb..d18c3326a1f7 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -78,6 +78,7 @@ static struct netvsc_device *alloc_net_device(void) net_device->max_pkt = RNDIS_MAX_PKT_DEFAULT; net_device->pkt_align = RNDIS_PKT_ALIGN_DEFAULT; init_completion(&net_device->channel_init_wait); + init_waitqueue_head(&net_device->subchan_open); return net_device; } @@ -1302,6 +1303,8 @@ int netvsc_device_add(struct hv_device *device, struct netvsc_channel *nvchan = &net_device->chan_table[i]; nvchan->channel = device->channel; + u64_stats_init(&nvchan->tx_stats.syncp); + u64_stats_init(&nvchan->rx_stats.syncp); } /* Enable NAPI handler before init callbacks */ diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 63c98bbbc596..0d78727f1a14 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -315,14 +315,34 @@ static u32 init_page_array(void *hdr, u32 len, struct sk_buff *skb, return slots_used; } -/* Estimate number of page buffers neede to transmit - * Need at most 2 for RNDIS header plus skb body and fragments. - */ -static unsigned int netvsc_get_slots(const struct sk_buff *skb) +static int count_skb_frag_slots(struct sk_buff *skb) +{ + int i, frags = skb_shinfo(skb)->nr_frags; + int pages = 0; + + for (i = 0; i < frags; i++) { + skb_frag_t *frag = skb_shinfo(skb)->frags + i; + unsigned long size = skb_frag_size(frag); + unsigned long offset = frag->page_offset; + + /* Skip unused frames from start of page */ + offset &= ~PAGE_MASK; + pages += PFN_UP(offset + size); + } + return pages; +} + +static int netvsc_get_slots(struct sk_buff *skb) { - return PFN_UP(offset_in_page(skb->data) + skb_headlen(skb)) - + skb_shinfo(skb)->nr_frags - + 2; + char *data = skb->data; + unsigned int offset = offset_in_page(data); + unsigned int len = skb_headlen(skb); + int slots; + int frag_slots; + + slots = DIV_ROUND_UP(offset + len, PAGE_SIZE); + frag_slots = count_skb_frag_slots(skb); + return slots + frag_slots; } static u32 net_checksum_info(struct sk_buff *skb) @@ -360,18 +380,21 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) struct hv_page_buffer page_buf[MAX_PAGE_BUFFER_COUNT]; struct hv_page_buffer *pb = page_buf; - /* We can only transmit MAX_PAGE_BUFFER_COUNT number + /* We will atmost need two pages to describe the rndis + * header. We can only transmit MAX_PAGE_BUFFER_COUNT number * of pages in a single packet. If skb is scattered around * more pages we try linearizing it. */ - num_data_pgs = netvsc_get_slots(skb); + + num_data_pgs = netvsc_get_slots(skb) + 2; + if (unlikely(num_data_pgs > MAX_PAGE_BUFFER_COUNT)) { ++net_device_ctx->eth_stats.tx_scattered; if (skb_linearize(skb)) goto no_memory; - num_data_pgs = netvsc_get_slots(skb); + num_data_pgs = netvsc_get_slots(skb) + 2; if (num_data_pgs > MAX_PAGE_BUFFER_COUNT) { ++net_device_ctx->eth_stats.tx_too_big; goto drop; diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index 85c00e1c52b6..d6308ffda53e 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -1048,8 +1048,8 @@ static void netvsc_sc_open(struct vmbus_channel *new_sc) else netif_napi_del(&nvchan->napi); - if (refcount_dec_and_test(&nvscdev->sc_offered)) - complete(&nvscdev->channel_init_wait); + atomic_inc(&nvscdev->open_chn); + wake_up(&nvscdev->subchan_open); } int rndis_filter_device_add(struct hv_device *dev, @@ -1090,8 +1090,6 @@ int rndis_filter_device_add(struct hv_device *dev, net_device->max_chn = 1; net_device->num_chn = 1; - refcount_set(&net_device->sc_offered, 0); - net_device->extension = rndis_device; rndis_device->ndev = net; @@ -1221,11 +1219,11 @@ int rndis_filter_device_add(struct hv_device *dev, rndis_device->ind_table[i] = ethtool_rxfh_indir_default(i, net_device->num_chn); + atomic_set(&net_device->open_chn, 1); num_rss_qs = net_device->num_chn - 1; if (num_rss_qs == 0) return 0; - refcount_set(&net_device->sc_offered, num_rss_qs); vmbus_set_sc_create_callback(dev->channel, netvsc_sc_open); init_packet = &net_device->channel_init_pkt; @@ -1242,15 +1240,19 @@ int rndis_filter_device_add(struct hv_device *dev, if (ret) goto out; + wait_for_completion(&net_device->channel_init_wait); if (init_packet->msg.v5_msg.subchn_comp.status != NVSP_STAT_SUCCESS) { ret = -ENODEV; goto out; } - wait_for_completion(&net_device->channel_init_wait); net_device->num_chn = 1 + init_packet->msg.v5_msg.subchn_comp.num_subchannels; + /* wait for all sub channels to open */ + wait_event(net_device->subchan_open, + atomic_read(&net_device->open_chn) == net_device->num_chn); + /* ignore failues from setting rss parameters, still have channels */ rndis_filter_set_rss_param(rndis_device, netvsc_hash_key, net_device->num_chn); diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index f37e3c1fd4e7..8dab74a81303 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -192,7 +192,7 @@ static int ipvlan_init(struct net_device *dev) netdev_lockdep_set_classes(dev); - ipvlan->pcpu_stats = alloc_percpu(struct ipvl_pcpu_stats); + ipvlan->pcpu_stats = netdev_alloc_pcpu_stats(struct ipvl_pcpu_stats); if (!ipvlan->pcpu_stats) return -ENOMEM; diff --git a/drivers/net/irda/mcs7780.c b/drivers/net/irda/mcs7780.c index 6f6ed75b63c9..765de3bedb88 100644 --- a/drivers/net/irda/mcs7780.c +++ b/drivers/net/irda/mcs7780.c @@ -141,9 +141,19 @@ static int mcs_set_reg(struct mcs_cb *mcs, __u16 reg, __u16 val) static int mcs_get_reg(struct mcs_cb *mcs, __u16 reg, __u16 * val) { struct usb_device *dev = mcs->usbdev; - int ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), MCS_RDREQ, - MCS_RD_RTYPE, 0, reg, val, 2, - msecs_to_jiffies(MCS_CTRL_TIMEOUT)); + void *dmabuf; + int ret; + + dmabuf = kmalloc(sizeof(__u16), GFP_KERNEL); + if (!dmabuf) + return -ENOMEM; + + ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), MCS_RDREQ, + MCS_RD_RTYPE, 0, reg, dmabuf, 2, + msecs_to_jiffies(MCS_CTRL_TIMEOUT)); + + memcpy(val, dmabuf, sizeof(__u16)); + kfree(dmabuf); return ret; } diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 2dda72004a7d..928fd892f167 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -7,7 +7,16 @@ menuconfig MDIO_DEVICE help MDIO devices and driver infrastructure code. -if MDIO_DEVICE +config MDIO_BUS + tristate + default m if PHYLIB=m + default MDIO_DEVICE + help + This internal symbol is used for link time dependencies and it + reflects whether the mdio_bus/mdio_device code is built as a + loadable module or built-in. + +if MDIO_BUS config MDIO_BCM_IPROC tristate "Broadcom iProc MDIO bus controller" @@ -28,7 +37,6 @@ config MDIO_BCM_UNIMAC config MDIO_BITBANG tristate "Bitbanged MDIO buses" - depends on !(MDIO_DEVICE=y && PHYLIB=m) help This module implements the MDIO bus protocol in software, for use by low level drivers that export the ability to @@ -127,7 +135,6 @@ config MDIO_THUNDER tristate "ThunderX SOCs MDIO buses" depends on 64BIT depends on PCI - depends on !(MDIO_DEVICE=y && PHYLIB=m) select MDIO_CAVIUM help This driver supports the MDIO interfaces found on Cavium diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index d0626bf5c540..5068c582d502 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -749,6 +749,9 @@ void phy_stop_machine(struct phy_device *phydev) if (phydev->state > PHY_UP && phydev->state != PHY_HALTED) phydev->state = PHY_UP; mutex_unlock(&phydev->lock); + + /* Now we can run the state machine synchronously */ + phy_state_machine(&phydev->state_queue.work); } /** diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index bd4303944e44..a404552555d4 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -1915,21 +1915,23 @@ static void __ppp_channel_push(struct channel *pch) spin_unlock(&pch->downl); /* see if there is anything from the attached unit to be sent */ if (skb_queue_empty(&pch->file.xq)) { - read_lock(&pch->upl); ppp = pch->ppp; if (ppp) - ppp_xmit_process(ppp); - read_unlock(&pch->upl); + __ppp_xmit_process(ppp); } } static void ppp_channel_push(struct channel *pch) { - local_bh_disable(); - - __ppp_channel_push(pch); - - local_bh_enable(); + read_lock_bh(&pch->upl); + if (pch->ppp) { + (*this_cpu_ptr(pch->ppp->xmit_recursion))++; + __ppp_channel_push(pch); + (*this_cpu_ptr(pch->ppp->xmit_recursion))--; + } else { + __ppp_channel_push(pch); + } + read_unlock_bh(&pch->upl); } /* diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c index eac499c58aa7..6dde9a0cfe76 100644 --- a/drivers/net/ppp/pptp.c +++ b/drivers/net/ppp/pptp.c @@ -131,7 +131,6 @@ static void del_chan(struct pppox_sock *sock) clear_bit(sock->proto.pptp.src_addr.call_id, callid_bitmap); RCU_INIT_POINTER(callid_sock[sock->proto.pptp.src_addr.call_id], NULL); spin_unlock(&chan_lock); - synchronize_rcu(); } static int pptp_xmit(struct ppp_channel *chan, struct sk_buff *skb) @@ -520,6 +519,7 @@ static int pptp_release(struct socket *sock) po = pppox_sk(sk); del_chan(po); + synchronize_rcu(); pppox_unbind_sock(sk); sk->sk_state = PPPOX_DEAD; diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 464570409796..ae53e899259f 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -60,11 +60,11 @@ static struct team_port *team_port_get_rtnl(const struct net_device *dev) static int __set_port_dev_addr(struct net_device *port_dev, const unsigned char *dev_addr) { - struct sockaddr addr; + struct sockaddr_storage addr; - memcpy(addr.sa_data, dev_addr, port_dev->addr_len); - addr.sa_family = port_dev->type; - return dev_set_mac_address(port_dev, &addr); + memcpy(addr.__data, dev_addr, port_dev->addr_len); + addr.ss_family = port_dev->type; + return dev_set_mac_address(port_dev, (struct sockaddr *)&addr); } static int team_port_set_orig_dev_addr(struct team_port *port) diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 3d4c24572ecd..32ad87345f57 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -2598,8 +2598,16 @@ static int __init tun_init(void) goto err_misc; } - register_netdevice_notifier(&tun_notifier_block); + ret = register_netdevice_notifier(&tun_notifier_block); + if (ret) { + pr_err("Can't register netdevice notifier\n"); + goto err_notifier; + } + return 0; + +err_notifier: + misc_deregister(&tun_miscdev); err_misc: rtnl_link_unregister(&tun_link_ops); err_linkops: diff --git a/drivers/net/usb/asix.h b/drivers/net/usb/asix.h index d1092421aaa7..9a4171b90947 100644 --- a/drivers/net/usb/asix.h +++ b/drivers/net/usb/asix.h @@ -209,6 +209,7 @@ void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb, struct asix_rx_fixup_info *rx); int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb); +void asix_rx_fixup_common_free(struct asix_common_private *dp); struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags); diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index 7847436c441e..522d2900cd1d 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -75,6 +75,27 @@ void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index, value, index, data, size); } +static void reset_asix_rx_fixup_info(struct asix_rx_fixup_info *rx) +{ + /* Reset the variables that have a lifetime outside of + * asix_rx_fixup_internal() so that future processing starts from a + * known set of initial conditions. + */ + + if (rx->ax_skb) { + /* Discard any incomplete Ethernet frame in the netdev buffer */ + kfree_skb(rx->ax_skb); + rx->ax_skb = NULL; + } + + /* Assume the Data header 32-bit word is at the start of the current + * or next URB socket buffer so reset all the state variables. + */ + rx->remaining = 0; + rx->split_head = false; + rx->header = 0; +} + int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb, struct asix_rx_fixup_info *rx) { @@ -99,15 +120,7 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb, if (size != ((~rx->header >> 16) & 0x7ff)) { netdev_err(dev->net, "asix_rx_fixup() Data Header synchronisation was lost, remaining %d\n", rx->remaining); - if (rx->ax_skb) { - kfree_skb(rx->ax_skb); - rx->ax_skb = NULL; - /* Discard the incomplete netdev Ethernet frame - * and assume the Data header is at the start of - * the current URB socket buffer. - */ - } - rx->remaining = 0; + reset_asix_rx_fixup_info(rx); } } @@ -139,11 +152,13 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb, if (size != ((~rx->header >> 16) & 0x7ff)) { netdev_err(dev->net, "asix_rx_fixup() Bad Header Length 0x%x, offset %d\n", rx->header, offset); + reset_asix_rx_fixup_info(rx); return 0; } if (size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) { netdev_dbg(dev->net, "asix_rx_fixup() Bad RX Length %d\n", size); + reset_asix_rx_fixup_info(rx); return 0; } @@ -168,8 +183,10 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb, if (rx->ax_skb) { skb_put_data(rx->ax_skb, skb->data + offset, copy_length); - if (!rx->remaining) + if (!rx->remaining) { usbnet_skb_return(dev, rx->ax_skb); + rx->ax_skb = NULL; + } } offset += (copy_length + 1) & 0xfffe; @@ -178,6 +195,7 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb, if (skb->len != offset) { netdev_err(dev->net, "asix_rx_fixup() Bad SKB Length %d, %d\n", skb->len, offset); + reset_asix_rx_fixup_info(rx); return 0; } @@ -192,6 +210,21 @@ int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb) return asix_rx_fixup_internal(dev, skb, rx); } +void asix_rx_fixup_common_free(struct asix_common_private *dp) +{ + struct asix_rx_fixup_info *rx; + + if (!dp) + return; + + rx = &dp->rx_fixup_info; + + if (rx->ax_skb) { + kfree_skb(rx->ax_skb); + rx->ax_skb = NULL; + } +} + struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) { diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index a3aa0a27dfe5..b2ff88e69a81 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -764,6 +764,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf) { + asix_rx_fixup_common_free(dev->driver_priv); kfree(dev->driver_priv); } diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 5833f7e2a127..b99a7fb09f8e 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -2367,9 +2367,6 @@ static int lan78xx_reset(struct lan78xx_net *dev) /* Init LTM */ lan78xx_init_ltm(dev); - dev->net->hard_header_len += TX_OVERHEAD; - dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; - if (dev->udev->speed == USB_SPEED_SUPER) { buf = DEFAULT_BURST_CAP_SIZE / SS_USB_PKT_SIZE; dev->rx_urb_size = DEFAULT_BURST_CAP_SIZE; @@ -2855,16 +2852,19 @@ static int lan78xx_bind(struct lan78xx_net *dev, struct usb_interface *intf) return ret; } + dev->net->hard_header_len += TX_OVERHEAD; + dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; + /* Init all registers */ ret = lan78xx_reset(dev); - lan78xx_mdio_init(dev); + ret = lan78xx_mdio_init(dev); dev->net->flags |= IFF_MULTICAST; pdata->wol = WAKE_MAGIC; - return 0; + return ret; } static void lan78xx_unbind(struct lan78xx_net *dev, struct usb_interface *intf) @@ -3525,11 +3525,11 @@ static int lan78xx_probe(struct usb_interface *intf, udev = interface_to_usbdev(intf); udev = usb_get_dev(udev); - ret = -ENOMEM; netdev = alloc_etherdev(sizeof(struct lan78xx_net)); if (!netdev) { - dev_err(&intf->dev, "Error: OOM\n"); - goto out1; + dev_err(&intf->dev, "Error: OOM\n"); + ret = -ENOMEM; + goto out1; } /* netdev_printk() needs this */ @@ -3610,7 +3610,7 @@ static int lan78xx_probe(struct usb_interface *intf, ret = register_netdev(netdev); if (ret != 0) { netif_err(dev, probe, netdev, "couldn't register the device\n"); - goto out2; + goto out3; } usb_set_intfdata(intf, dev); diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 5894e3c9468f..8c3733608271 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1175,6 +1175,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ + {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ @@ -1340,10 +1341,14 @@ static int qmi_wwan_probe(struct usb_interface *intf, static void qmi_wwan_disconnect(struct usb_interface *intf) { struct usbnet *dev = usb_get_intfdata(intf); - struct qmi_wwan_state *info = (void *)&dev->data; + struct qmi_wwan_state *info; struct list_head *iter; struct net_device *ldev; + /* called twice if separate control and data intf */ + if (!dev) + return; + info = (void *)&dev->data; if (info->flags & QMI_WWAN_FLAG_MUX) { if (!rtnl_trylock()) { restart_syscall(); diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 99a26a9efec1..98f17b05c68b 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -889,21 +889,20 @@ static int add_recvbuf_mergeable(struct virtnet_info *vi, buf = (char *)page_address(alloc_frag->page) + alloc_frag->offset; buf += headroom; /* advance address leaving hole at front of pkt */ - ctx = (void *)(unsigned long)len; get_page(alloc_frag->page); alloc_frag->offset += len + headroom; hole = alloc_frag->size - alloc_frag->offset; if (hole < len + headroom) { /* To avoid internal fragmentation, if there is very likely not * enough space for another buffer, add the remaining space to - * the current buffer. This extra space is not included in - * the truesize stored in ctx. + * the current buffer. */ len += hole; alloc_frag->offset += hole; } sg_init_one(rq->sg, buf, len); + ctx = (void *)(unsigned long)len; err = virtqueue_add_inbuf_ctx(rq->vq, rq->sg, 1, buf, ctx, gfp); if (err < 0) put_page(virt_to_head_page(buf)); @@ -2743,9 +2742,9 @@ module_init(virtio_net_driver_init); static __exit void virtio_net_driver_exit(void) { + unregister_virtio_driver(&virtio_net_driver); cpuhp_remove_multi_state(CPUHP_VIRT_NET_DEAD); cpuhp_remove_multi_state(virtionet_online); - unregister_virtio_driver(&virtio_net_driver); } module_exit(virtio_net_driver_exit); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 96aa7e6cf214..e17baac70f43 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -623,6 +623,7 @@ static struct sk_buff **vxlan_gro_receive(struct sock *sk, out: skb_gro_remcsum_cleanup(skb, &grc); + skb->remcsum_offload = 0; NAPI_GRO_CB(skb)->flush |= flush; return pp; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index 2153e8062b4c..5cc3a07dda9e 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -214,7 +214,7 @@ static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb, /* Make sure there's enough writeable headroom */ if (skb_headroom(skb) < drvr->hdrlen || skb_header_cloned(skb)) { - head_delta = drvr->hdrlen - skb_headroom(skb); + head_delta = max_t(int, drvr->hdrlen - skb_headroom(skb), 0); brcmf_dbg(INFO, "%s: insufficient headroom (%d)\n", brcmf_ifname(ifp), head_delta); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index fbcbb4325936..f3556122c6ac 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -2053,12 +2053,13 @@ static int brcmf_sdio_txpkt_hdalign(struct brcmf_sdio *bus, struct sk_buff *pkt) atomic_inc(&stats->pktcow_failed); return -ENOMEM; } + head_pad = 0; } skb_push(pkt, head_pad); dat_buf = (u8 *)(pkt->data); } memset(dat_buf, 0, head_pad + bus->tx_hdrlen); - return 0; + return head_pad; } /** @@ -4174,11 +4175,6 @@ struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) goto fail; } - /* allocate scatter-gather table. sg support - * will be disabled upon allocation failure. - */ - brcmf_sdiod_sgtable_alloc(bus->sdiodev); - /* Query the F2 block size, set roundup accordingly */ bus->blocksize = bus->sdiodev->func[2]->cur_blksize; bus->roundup = min(max_roundup, bus->blocksize); diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/tx.c b/drivers/net/wireless/intel/iwlwifi/dvm/tx.c index adaa2f0097cc..fb40ddfced99 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/dvm/tx.c @@ -1189,11 +1189,11 @@ void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb) next_reclaimed; IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n", next_reclaimed); + iwlagn_check_ratid_empty(priv, sta_id, tid); } iwl_trans_reclaim(priv->trans, txq_id, ssn, &skbs); - iwlagn_check_ratid_empty(priv, sta_id, tid); freed = 0; /* process frames */ diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h index 545d14b0bc92..f5c1127253cb 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h @@ -55,8 +55,8 @@ static inline bool iwl_trace_data(struct sk_buff *skb) /* also account for the RFC 1042 header, of course */ offs += 6; - return skb->len > offs + 2 && - *(__be16 *)(skb->data + offs) == cpu_to_be16(ETH_P_PAE); + return skb->len <= offs + 2 || + *(__be16 *)(skb->data + offs) != cpu_to_be16(ETH_P_PAE); } static inline size_t iwl_rx_trace_len(const struct iwl_trans *trans, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index bcde1ba0f1c8..c7b1e58e3384 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -1084,7 +1084,13 @@ int __iwl_mvm_mac_start(struct iwl_mvm *mvm) lockdep_assert_held(&mvm->mutex); - if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { + if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status)) { + /* + * Now convert the HW_RESTART_REQUESTED flag to IN_HW_RESTART + * so later code will - from now on - see that we're doing it. + */ + set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); + clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); /* Clean up some internal and mac80211 state on restart */ iwl_mvm_restart_cleanup(mvm); } else { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index eaacfaf37206..ddd8719f27b8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1090,6 +1090,7 @@ struct iwl_mvm { * @IWL_MVM_STATUS_HW_RFKILL: HW RF-kill is asserted * @IWL_MVM_STATUS_HW_CTKILL: CT-kill is active * @IWL_MVM_STATUS_ROC_RUNNING: remain-on-channel is running + * @IWL_MVM_STATUS_HW_RESTART_REQUESTED: HW restart was requested * @IWL_MVM_STATUS_IN_HW_RESTART: HW restart is active * @IWL_MVM_STATUS_IN_D0I3: NIC is in D0i3 * @IWL_MVM_STATUS_ROC_AUX_RUNNING: AUX remain-on-channel is running @@ -1101,6 +1102,7 @@ enum iwl_mvm_status { IWL_MVM_STATUS_HW_RFKILL, IWL_MVM_STATUS_HW_CTKILL, IWL_MVM_STATUS_ROC_RUNNING, + IWL_MVM_STATUS_HW_RESTART_REQUESTED, IWL_MVM_STATUS_IN_HW_RESTART, IWL_MVM_STATUS_IN_D0I3, IWL_MVM_STATUS_ROC_AUX_RUNNING, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 4d1188b8736a..9c175d5e9d67 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1235,9 +1235,8 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) */ if (!mvm->fw_restart && fw_error) { iwl_mvm_fw_dbg_collect_desc(mvm, &iwl_mvm_dump_desc_assert, - NULL); - } else if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART, - &mvm->status)) { + NULL); + } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { struct iwl_mvm_reprobe *reprobe; IWL_ERR(mvm, @@ -1268,6 +1267,7 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) if (fw_error && mvm->fw_restart > 0) mvm->fw_restart--; + set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); ieee80211_restart_hw(mvm->hw); } } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index 4df5f13fcdae..ab66b4394dfc 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -277,6 +277,18 @@ static void iwl_mvm_rx_agg_session_expired(unsigned long data) /* Timer expired */ sta = rcu_dereference(ba_data->mvm->fw_id_to_mac_id[ba_data->sta_id]); + + /* + * sta should be valid unless the following happens: + * The firmware asserts which triggers a reconfig flow, but + * the reconfig fails before we set the pointer to sta into + * the fw_id_to_mac_id pointer table. Mac80211 can't stop + * A-MDPU and hence the timer continues to run. Then, the + * timer expires and sta is NULL. + */ + if (!sta) + goto unlock; + mvm_sta = iwl_mvm_sta_from_mac80211(sta); ieee80211_stop_rx_ba_session_offl(mvm_sta->vif, sta->addr, ba_data->tid); @@ -2015,7 +2027,8 @@ int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) IWL_MAX_TID_COUNT, wdg_timeout); - if (vif->type == NL80211_IFTYPE_AP) + if (vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_ADHOC) mvm->probe_queue = queue; else if (vif->type == NL80211_IFTYPE_P2P_DEVICE) mvm->p2p_dev_queue = queue; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 92b3a55d0fbc..f95eec52508e 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -3150,7 +3150,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, init_waitqueue_head(&trans_pcie->d0i3_waitq); if (trans_pcie->msix_enabled) { - if (iwl_pcie_init_msix_handler(pdev, trans_pcie)) + ret = iwl_pcie_init_msix_handler(pdev, trans_pcie); + if (ret) goto out_no_pci; } else { ret = iwl_pcie_alloc_ict(trans); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index de50418adae5..034bdb4a0b06 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -298,6 +298,9 @@ void iwl_pcie_txq_check_wrptrs(struct iwl_trans *trans) for (i = 0; i < trans->cfg->base_params->num_of_queues; i++) { struct iwl_txq *txq = trans_pcie->txq[i]; + if (!test_bit(i, trans_pcie->queue_used)) + continue; + spin_lock_bh(&txq->lock); if (txq->need_update) { iwl_pcie_txq_inc_wr_ptr(trans, txq); diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c index 2a7ad5ffe997..cd5dc6dcb19f 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/hw.c @@ -846,9 +846,6 @@ static bool _rtl8723be_init_mac(struct ieee80211_hw *hw) return false; } - if (rtlpriv->cfg->ops->get_btc_status()) - rtlpriv->btcoexist.btc_ops->btc_power_on_setting(rtlpriv); - bytetmp = rtl_read_byte(rtlpriv, REG_MULTI_FUNC_CTRL); rtl_write_byte(rtlpriv, REG_MULTI_FUNC_CTRL, bytetmp | BIT(3)); diff --git a/drivers/net/wireless/realtek/rtlwifi/wifi.h b/drivers/net/wireless/realtek/rtlwifi/wifi.h index fb1ebb01133f..70723e67b7d7 100644 --- a/drivers/net/wireless/realtek/rtlwifi/wifi.h +++ b/drivers/net/wireless/realtek/rtlwifi/wifi.h @@ -2547,7 +2547,6 @@ struct bt_coexist_info { struct rtl_btc_ops { void (*btc_init_variables) (struct rtl_priv *rtlpriv); void (*btc_init_hal_vars) (struct rtl_priv *rtlpriv); - void (*btc_power_on_setting)(struct rtl_priv *rtlpriv); void (*btc_init_hw_config) (struct rtl_priv *rtlpriv); void (*btc_ips_notify) (struct rtl_priv *rtlpriv, u8 type); void (*btc_lps_notify)(struct rtl_priv *rtlpriv, u8 type); diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 3b77cfe5aa1e..37046ac2c441 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -336,7 +336,7 @@ static int nvme_get_stream_params(struct nvme_ctrl *ctrl, c.directive.opcode = nvme_admin_directive_recv; c.directive.nsid = cpu_to_le32(nsid); - c.directive.numd = cpu_to_le32(sizeof(*s)); + c.directive.numd = cpu_to_le32((sizeof(*s) >> 2) - 1); c.directive.doper = NVME_DIR_RCV_ST_OP_PARAM; c.directive.dtype = NVME_DIR_STREAMS; @@ -1509,7 +1509,7 @@ static void nvme_set_queue_limits(struct nvme_ctrl *ctrl, blk_queue_write_cache(q, vwc, vwc); } -static void nvme_configure_apst(struct nvme_ctrl *ctrl) +static int nvme_configure_apst(struct nvme_ctrl *ctrl) { /* * APST (Autonomous Power State Transition) lets us program a @@ -1538,16 +1538,16 @@ static void nvme_configure_apst(struct nvme_ctrl *ctrl) * then don't do anything. */ if (!ctrl->apsta) - return; + return 0; if (ctrl->npss > 31) { dev_warn(ctrl->device, "NPSS is invalid; not using APST\n"); - return; + return 0; } table = kzalloc(sizeof(*table), GFP_KERNEL); if (!table) - return; + return 0; if (!ctrl->apst_enabled || ctrl->ps_max_latency_us == 0) { /* Turn off APST. */ @@ -1629,6 +1629,7 @@ static void nvme_configure_apst(struct nvme_ctrl *ctrl) dev_err(ctrl->device, "failed to set APST feature (%d)\n", ret); kfree(table); + return ret; } static void nvme_set_latency_tolerance(struct device *dev, s32 val) @@ -1835,13 +1836,16 @@ int nvme_init_identify(struct nvme_ctrl *ctrl) * In fabrics we need to verify the cntlid matches the * admin connect */ - if (ctrl->cntlid != le16_to_cpu(id->cntlid)) + if (ctrl->cntlid != le16_to_cpu(id->cntlid)) { ret = -EINVAL; + goto out_free; + } if (!ctrl->opts->discovery_nqn && !ctrl->kas) { dev_err(ctrl->device, "keep-alive support is mandatory for fabrics\n"); ret = -EINVAL; + goto out_free; } } else { ctrl->cntlid = le16_to_cpu(id->cntlid); @@ -1856,11 +1860,20 @@ int nvme_init_identify(struct nvme_ctrl *ctrl) else if (!ctrl->apst_enabled && prev_apst_enabled) dev_pm_qos_hide_latency_tolerance(ctrl->device); - nvme_configure_apst(ctrl); - nvme_configure_directives(ctrl); + ret = nvme_configure_apst(ctrl); + if (ret < 0) + return ret; + + ret = nvme_configure_directives(ctrl); + if (ret < 0) + return ret; ctrl->identified = true; + return 0; + +out_free: + kfree(id); return ret; } EXPORT_SYMBOL_GPL(nvme_init_identify); @@ -1995,15 +2008,20 @@ static ssize_t wwid_show(struct device *dev, struct device_attribute *attr, int serial_len = sizeof(ctrl->serial); int model_len = sizeof(ctrl->model); + if (!uuid_is_null(&ns->uuid)) + return sprintf(buf, "uuid.%pU\n", &ns->uuid); + if (memchr_inv(ns->nguid, 0, sizeof(ns->nguid))) return sprintf(buf, "eui.%16phN\n", ns->nguid); if (memchr_inv(ns->eui, 0, sizeof(ns->eui))) return sprintf(buf, "eui.%8phN\n", ns->eui); - while (ctrl->serial[serial_len - 1] == ' ') + while (serial_len > 0 && (ctrl->serial[serial_len - 1] == ' ' || + ctrl->serial[serial_len - 1] == '\0')) serial_len--; - while (ctrl->model[model_len - 1] == ' ') + while (model_len > 0 && (ctrl->model[model_len - 1] == ' ' || + ctrl->model[model_len - 1] == '\0')) model_len--; return sprintf(buf, "nvme.%04x-%*phN-%*phN-%08x\n", ctrl->vid, @@ -2709,7 +2727,8 @@ void nvme_kill_queues(struct nvme_ctrl *ctrl) mutex_lock(&ctrl->namespaces_mutex); /* Forcibly unquiesce queues to avoid blocking dispatch */ - blk_mq_unquiesce_queue(ctrl->admin_q); + if (ctrl->admin_q) + blk_mq_unquiesce_queue(ctrl->admin_q); list_for_each_entry(ns, &ctrl->namespaces, list) { /* diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index d666ada39a9b..5c2a08ef08ba 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -1888,7 +1888,7 @@ nvme_fc_start_fcp_op(struct nvme_fc_ctrl *ctrl, struct nvme_fc_queue *queue, * the target device is present */ if (ctrl->rport->remoteport.port_state != FC_OBJSTATE_ONLINE) - return BLK_STS_IOERR; + goto busy; if (!nvme_fc_ctrl_get(ctrl)) return BLK_STS_IOERR; @@ -1958,22 +1958,25 @@ nvme_fc_start_fcp_op(struct nvme_fc_ctrl *ctrl, struct nvme_fc_queue *queue, queue->lldd_handle, &op->fcp_req); if (ret) { - if (op->rq) /* normal request */ + if (!(op->flags & FCOP_FLAGS_AEN)) nvme_fc_unmap_data(ctrl, op->rq, op); - /* else - aen. no cleanup needed */ nvme_fc_ctrl_put(ctrl); - if (ret != -EBUSY) + if (ctrl->rport->remoteport.port_state == FC_OBJSTATE_ONLINE && + ret != -EBUSY) return BLK_STS_IOERR; - if (op->rq) - blk_mq_delay_run_hw_queue(queue->hctx, NVMEFC_QUEUE_DELAY); - - return BLK_STS_RESOURCE; + goto busy; } return BLK_STS_OK; + +busy: + if (!(op->flags & FCOP_FLAGS_AEN) && queue->hctx) + blk_mq_delay_run_hw_queue(queue->hctx, NVMEFC_QUEUE_DELAY); + + return BLK_STS_RESOURCE; } static blk_status_t @@ -2802,66 +2805,70 @@ out_fail: return ERR_PTR(ret); } -enum { - FCT_TRADDR_ERR = 0, - FCT_TRADDR_WWNN = 1 << 0, - FCT_TRADDR_WWPN = 1 << 1, -}; struct nvmet_fc_traddr { u64 nn; u64 pn; }; -static const match_table_t traddr_opt_tokens = { - { FCT_TRADDR_WWNN, "nn-%s" }, - { FCT_TRADDR_WWPN, "pn-%s" }, - { FCT_TRADDR_ERR, NULL } -}; - static int -nvme_fc_parse_address(struct nvmet_fc_traddr *traddr, char *buf) +__nvme_fc_parse_u64(substring_t *sstr, u64 *val) { - substring_t args[MAX_OPT_ARGS]; - char *options, *o, *p; - int token, ret = 0; u64 token64; - options = o = kstrdup(buf, GFP_KERNEL); - if (!options) - return -ENOMEM; + if (match_u64(sstr, &token64)) + return -EINVAL; + *val = token64; - while ((p = strsep(&o, ":\n")) != NULL) { - if (!*p) - continue; + return 0; +} - token = match_token(p, traddr_opt_tokens, args); - switch (token) { - case FCT_TRADDR_WWNN: - if (match_u64(args, &token64)) { - ret = -EINVAL; - goto out; - } - traddr->nn = token64; - break; - case FCT_TRADDR_WWPN: - if (match_u64(args, &token64)) { - ret = -EINVAL; - goto out; - } - traddr->pn = token64; - break; - default: - pr_warn("unknown traddr token or missing value '%s'\n", - p); - ret = -EINVAL; - goto out; - } - } +/* + * This routine validates and extracts the WWN's from the TRADDR string. + * As kernel parsers need the 0x to determine number base, universally + * build string to parse with 0x prefix before parsing name strings. + */ +static int +nvme_fc_parse_traddr(struct nvmet_fc_traddr *traddr, char *buf, size_t blen) +{ + char name[2 + NVME_FC_TRADDR_HEXNAMELEN + 1]; + substring_t wwn = { name, &name[sizeof(name)-1] }; + int nnoffset, pnoffset; + + /* validate it string one of the 2 allowed formats */ + if (strnlen(buf, blen) == NVME_FC_TRADDR_MAXLENGTH && + !strncmp(buf, "nn-0x", NVME_FC_TRADDR_OXNNLEN) && + !strncmp(&buf[NVME_FC_TRADDR_MAX_PN_OFFSET], + "pn-0x", NVME_FC_TRADDR_OXNNLEN)) { + nnoffset = NVME_FC_TRADDR_OXNNLEN; + pnoffset = NVME_FC_TRADDR_MAX_PN_OFFSET + + NVME_FC_TRADDR_OXNNLEN; + } else if ((strnlen(buf, blen) == NVME_FC_TRADDR_MINLENGTH && + !strncmp(buf, "nn-", NVME_FC_TRADDR_NNLEN) && + !strncmp(&buf[NVME_FC_TRADDR_MIN_PN_OFFSET], + "pn-", NVME_FC_TRADDR_NNLEN))) { + nnoffset = NVME_FC_TRADDR_NNLEN; + pnoffset = NVME_FC_TRADDR_MIN_PN_OFFSET + NVME_FC_TRADDR_NNLEN; + } else + goto out_einval; -out: - kfree(options); - return ret; + name[0] = '0'; + name[1] = 'x'; + name[2 + NVME_FC_TRADDR_HEXNAMELEN] = 0; + + memcpy(&name[2], &buf[nnoffset], NVME_FC_TRADDR_HEXNAMELEN); + if (__nvme_fc_parse_u64(&wwn, &traddr->nn)) + goto out_einval; + + memcpy(&name[2], &buf[pnoffset], NVME_FC_TRADDR_HEXNAMELEN); + if (__nvme_fc_parse_u64(&wwn, &traddr->pn)) + goto out_einval; + + return 0; + +out_einval: + pr_warn("%s: bad traddr string\n", __func__); + return -EINVAL; } static struct nvme_ctrl * @@ -2875,11 +2882,11 @@ nvme_fc_create_ctrl(struct device *dev, struct nvmf_ctrl_options *opts) unsigned long flags; int ret; - ret = nvme_fc_parse_address(&raddr, opts->traddr); + ret = nvme_fc_parse_traddr(&raddr, opts->traddr, NVMF_TRADDR_SIZE); if (ret || !raddr.nn || !raddr.pn) return ERR_PTR(-EINVAL); - ret = nvme_fc_parse_address(&laddr, opts->host_traddr); + ret = nvme_fc_parse_traddr(&laddr, opts->host_traddr, NVMF_TRADDR_SIZE); if (ret || !laddr.nn || !laddr.pn) return ERR_PTR(-EINVAL); diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 8569ee771269..74a124a06264 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1558,11 +1558,9 @@ static inline void nvme_release_cmb(struct nvme_dev *dev) if (dev->cmb) { iounmap(dev->cmb); dev->cmb = NULL; - if (dev->cmbsz) { - sysfs_remove_file_from_group(&dev->ctrl.device->kobj, - &dev_attr_cmb.attr, NULL); - dev->cmbsz = 0; - } + sysfs_remove_file_from_group(&dev->ctrl.device->kobj, + &dev_attr_cmb.attr, NULL); + dev->cmbsz = 0; } } @@ -1619,7 +1617,7 @@ static void nvme_free_host_mem(struct nvme_dev *dev) static int nvme_alloc_host_mem(struct nvme_dev *dev, u64 min, u64 preferred) { struct nvme_host_mem_buf_desc *descs; - u32 chunk_size, max_entries; + u32 chunk_size, max_entries, len; int i = 0; void **bufs; u64 size = 0, tmp; @@ -1638,10 +1636,10 @@ retry: if (!bufs) goto out_free_descs; - for (size = 0; size < preferred; size += chunk_size) { - u32 len = min_t(u64, chunk_size, preferred - size); + for (size = 0; size < preferred; size += len) { dma_addr_t dma_addr; + len = min_t(u64, chunk_size, preferred - size); bufs[i] = dma_alloc_attrs(dev->dev, len, &dma_addr, GFP_KERNEL, DMA_ATTR_NO_KERNEL_MAPPING | DMA_ATTR_NO_WARN); if (!bufs[i]) @@ -1953,16 +1951,14 @@ static int nvme_pci_enable(struct nvme_dev *dev) /* * CMBs can currently only exist on >=1.2 PCIe devices. We only - * populate sysfs if a CMB is implemented. Note that we add the - * CMB attribute to the nvme_ctrl kobj which removes the need to remove - * it on exit. Since nvme_dev_attrs_group has no name we can pass - * NULL as final argument to sysfs_add_file_to_group. + * populate sysfs if a CMB is implemented. Since nvme_dev_attrs_group + * has no name we can pass NULL as final argument to + * sysfs_add_file_to_group. */ if (readl(dev->bar + NVME_REG_VS) >= NVME_VS(1, 2, 0)) { dev->cmb = nvme_map_cmb(dev); - - if (dev->cmbsz) { + if (dev->cmb) { if (sysfs_add_file_to_group(&dev->ctrl.device->kobj, &dev_attr_cmb.attr, NULL)) dev_warn(dev->ctrl.device, diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c index d5801c150b1c..1b7f2520a20d 100644 --- a/drivers/nvme/target/fc.c +++ b/drivers/nvme/target/fc.c @@ -114,6 +114,11 @@ struct nvmet_fc_tgtport { struct kref ref; }; +struct nvmet_fc_defer_fcp_req { + struct list_head req_list; + struct nvmefc_tgt_fcp_req *fcp_req; +}; + struct nvmet_fc_tgt_queue { bool ninetypercent; u16 qid; @@ -132,6 +137,8 @@ struct nvmet_fc_tgt_queue { struct nvmet_fc_tgt_assoc *assoc; struct nvmet_fc_fcp_iod *fod; /* array of fcp_iods */ struct list_head fod_list; + struct list_head pending_cmd_list; + struct list_head avail_defer_list; struct workqueue_struct *work_q; struct kref ref; } __aligned(sizeof(unsigned long long)); @@ -223,6 +230,8 @@ static void nvmet_fc_tgt_q_put(struct nvmet_fc_tgt_queue *queue); static int nvmet_fc_tgt_q_get(struct nvmet_fc_tgt_queue *queue); static void nvmet_fc_tgtport_put(struct nvmet_fc_tgtport *tgtport); static int nvmet_fc_tgtport_get(struct nvmet_fc_tgtport *tgtport); +static void nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport, + struct nvmet_fc_fcp_iod *fod); /* *********************** FC-NVME DMA Handling **************************** */ @@ -463,9 +472,9 @@ static struct nvmet_fc_fcp_iod * nvmet_fc_alloc_fcp_iod(struct nvmet_fc_tgt_queue *queue) { static struct nvmet_fc_fcp_iod *fod; - unsigned long flags; - spin_lock_irqsave(&queue->qlock, flags); + lockdep_assert_held(&queue->qlock); + fod = list_first_entry_or_null(&queue->fod_list, struct nvmet_fc_fcp_iod, fcp_list); if (fod) { @@ -477,17 +486,37 @@ nvmet_fc_alloc_fcp_iod(struct nvmet_fc_tgt_queue *queue) * will "inherit" that reference. */ } - spin_unlock_irqrestore(&queue->qlock, flags); return fod; } static void +nvmet_fc_queue_fcp_req(struct nvmet_fc_tgtport *tgtport, + struct nvmet_fc_tgt_queue *queue, + struct nvmefc_tgt_fcp_req *fcpreq) +{ + struct nvmet_fc_fcp_iod *fod = fcpreq->nvmet_fc_private; + + /* + * put all admin cmds on hw queue id 0. All io commands go to + * the respective hw queue based on a modulo basis + */ + fcpreq->hwqid = queue->qid ? + ((queue->qid - 1) % tgtport->ops->max_hw_queues) : 0; + + if (tgtport->ops->target_features & NVMET_FCTGTFEAT_CMD_IN_ISR) + queue_work_on(queue->cpu, queue->work_q, &fod->work); + else + nvmet_fc_handle_fcp_rqst(tgtport, fod); +} + +static void nvmet_fc_free_fcp_iod(struct nvmet_fc_tgt_queue *queue, struct nvmet_fc_fcp_iod *fod) { struct nvmefc_tgt_fcp_req *fcpreq = fod->fcpreq; struct nvmet_fc_tgtport *tgtport = fod->tgtport; + struct nvmet_fc_defer_fcp_req *deferfcp; unsigned long flags; fc_dma_sync_single_for_cpu(tgtport->dev, fod->rspdma, @@ -495,21 +524,56 @@ nvmet_fc_free_fcp_iod(struct nvmet_fc_tgt_queue *queue, fcpreq->nvmet_fc_private = NULL; - spin_lock_irqsave(&queue->qlock, flags); - list_add_tail(&fod->fcp_list, &fod->queue->fod_list); fod->active = false; fod->abort = false; fod->aborted = false; fod->writedataactive = false; fod->fcpreq = NULL; + + tgtport->ops->fcp_req_release(&tgtport->fc_target_port, fcpreq); + + spin_lock_irqsave(&queue->qlock, flags); + deferfcp = list_first_entry_or_null(&queue->pending_cmd_list, + struct nvmet_fc_defer_fcp_req, req_list); + if (!deferfcp) { + list_add_tail(&fod->fcp_list, &fod->queue->fod_list); + spin_unlock_irqrestore(&queue->qlock, flags); + + /* Release reference taken at queue lookup and fod allocation */ + nvmet_fc_tgt_q_put(queue); + return; + } + + /* Re-use the fod for the next pending cmd that was deferred */ + list_del(&deferfcp->req_list); + + fcpreq = deferfcp->fcp_req; + + /* deferfcp can be reused for another IO at a later date */ + list_add_tail(&deferfcp->req_list, &queue->avail_defer_list); + spin_unlock_irqrestore(&queue->qlock, flags); + /* Save NVME CMD IO in fod */ + memcpy(&fod->cmdiubuf, fcpreq->rspaddr, fcpreq->rsplen); + + /* Setup new fcpreq to be processed */ + fcpreq->rspaddr = NULL; + fcpreq->rsplen = 0; + fcpreq->nvmet_fc_private = fod; + fod->fcpreq = fcpreq; + fod->active = true; + + /* inform LLDD IO is now being processed */ + tgtport->ops->defer_rcv(&tgtport->fc_target_port, fcpreq); + + /* Submit deferred IO for processing */ + nvmet_fc_queue_fcp_req(tgtport, queue, fcpreq); + /* - * release the reference taken at queue lookup and fod allocation + * Leave the queue lookup get reference taken when + * fod was originally allocated. */ - nvmet_fc_tgt_q_put(queue); - - tgtport->ops->fcp_req_release(&tgtport->fc_target_port, fcpreq); } static int @@ -569,6 +633,8 @@ nvmet_fc_alloc_target_queue(struct nvmet_fc_tgt_assoc *assoc, queue->port = assoc->tgtport->port; queue->cpu = nvmet_fc_queue_to_cpu(assoc->tgtport, qid); INIT_LIST_HEAD(&queue->fod_list); + INIT_LIST_HEAD(&queue->avail_defer_list); + INIT_LIST_HEAD(&queue->pending_cmd_list); atomic_set(&queue->connected, 0); atomic_set(&queue->sqtail, 0); atomic_set(&queue->rsn, 1); @@ -638,6 +704,7 @@ nvmet_fc_delete_target_queue(struct nvmet_fc_tgt_queue *queue) { struct nvmet_fc_tgtport *tgtport = queue->assoc->tgtport; struct nvmet_fc_fcp_iod *fod = queue->fod; + struct nvmet_fc_defer_fcp_req *deferfcp; unsigned long flags; int i, writedataactive; bool disconnect; @@ -666,6 +733,35 @@ nvmet_fc_delete_target_queue(struct nvmet_fc_tgt_queue *queue) } } } + + /* Cleanup defer'ed IOs in queue */ + list_for_each_entry(deferfcp, &queue->avail_defer_list, req_list) { + list_del(&deferfcp->req_list); + kfree(deferfcp); + } + + for (;;) { + deferfcp = list_first_entry_or_null(&queue->pending_cmd_list, + struct nvmet_fc_defer_fcp_req, req_list); + if (!deferfcp) + break; + + list_del(&deferfcp->req_list); + spin_unlock_irqrestore(&queue->qlock, flags); + + tgtport->ops->defer_rcv(&tgtport->fc_target_port, + deferfcp->fcp_req); + + tgtport->ops->fcp_abort(&tgtport->fc_target_port, + deferfcp->fcp_req); + + tgtport->ops->fcp_req_release(&tgtport->fc_target_port, + deferfcp->fcp_req); + + kfree(deferfcp); + + spin_lock_irqsave(&queue->qlock, flags); + } spin_unlock_irqrestore(&queue->qlock, flags); flush_workqueue(queue->work_q); @@ -2172,11 +2268,38 @@ nvmet_fc_handle_fcp_rqst_work(struct work_struct *work) * Pass a FC-NVME FCP CMD IU received from the FC link to the nvmet-fc * layer for processing. * - * The nvmet-fc layer will copy cmd payload to an internal structure for - * processing. As such, upon completion of the routine, the LLDD may - * immediately free/reuse the CMD IU buffer passed in the call. + * The nvmet_fc layer allocates a local job structure (struct + * nvmet_fc_fcp_iod) from the queue for the io and copies the + * CMD IU buffer to the job structure. As such, on a successful + * completion (returns 0), the LLDD may immediately free/reuse + * the CMD IU buffer passed in the call. * - * If this routine returns error, the lldd should abort the exchange. + * However, in some circumstances, due to the packetized nature of FC + * and the api of the FC LLDD which may issue a hw command to send the + * response, but the LLDD may not get the hw completion for that command + * and upcall the nvmet_fc layer before a new command may be + * asynchronously received - its possible for a command to be received + * before the LLDD and nvmet_fc have recycled the job structure. It gives + * the appearance of more commands received than fits in the sq. + * To alleviate this scenario, a temporary queue is maintained in the + * transport for pending LLDD requests waiting for a queue job structure. + * In these "overrun" cases, a temporary queue element is allocated + * the LLDD request and CMD iu buffer information remembered, and the + * routine returns a -EOVERFLOW status. Subsequently, when a queue job + * structure is freed, it is immediately reallocated for anything on the + * pending request list. The LLDDs defer_rcv() callback is called, + * informing the LLDD that it may reuse the CMD IU buffer, and the io + * is then started normally with the transport. + * + * The LLDD, when receiving an -EOVERFLOW completion status, is to treat + * the completion as successful but must not reuse the CMD IU buffer + * until the LLDD's defer_rcv() callback has been called for the + * corresponding struct nvmefc_tgt_fcp_req pointer. + * + * If there is any other condition in which an error occurs, the + * transport will return a non-zero status indicating the error. + * In all cases other than -EOVERFLOW, the transport has not accepted the + * request and the LLDD should abort the exchange. * * @target_port: pointer to the (registered) target port the FCP CMD IU * was received on. @@ -2194,6 +2317,8 @@ nvmet_fc_rcv_fcp_req(struct nvmet_fc_target_port *target_port, struct nvme_fc_cmd_iu *cmdiu = cmdiubuf; struct nvmet_fc_tgt_queue *queue; struct nvmet_fc_fcp_iod *fod; + struct nvmet_fc_defer_fcp_req *deferfcp; + unsigned long flags; /* validate iu, so the connection id can be used to find the queue */ if ((cmdiubuf_len != sizeof(*cmdiu)) || @@ -2214,29 +2339,60 @@ nvmet_fc_rcv_fcp_req(struct nvmet_fc_target_port *target_port, * when the fod is freed. */ + spin_lock_irqsave(&queue->qlock, flags); + fod = nvmet_fc_alloc_fcp_iod(queue); - if (!fod) { + if (fod) { + spin_unlock_irqrestore(&queue->qlock, flags); + + fcpreq->nvmet_fc_private = fod; + fod->fcpreq = fcpreq; + + memcpy(&fod->cmdiubuf, cmdiubuf, cmdiubuf_len); + + nvmet_fc_queue_fcp_req(tgtport, queue, fcpreq); + + return 0; + } + + if (!tgtport->ops->defer_rcv) { + spin_unlock_irqrestore(&queue->qlock, flags); /* release the queue lookup reference */ nvmet_fc_tgt_q_put(queue); return -ENOENT; } - fcpreq->nvmet_fc_private = fod; - fod->fcpreq = fcpreq; - /* - * put all admin cmds on hw queue id 0. All io commands go to - * the respective hw queue based on a modulo basis - */ - fcpreq->hwqid = queue->qid ? - ((queue->qid - 1) % tgtport->ops->max_hw_queues) : 0; - memcpy(&fod->cmdiubuf, cmdiubuf, cmdiubuf_len); + deferfcp = list_first_entry_or_null(&queue->avail_defer_list, + struct nvmet_fc_defer_fcp_req, req_list); + if (deferfcp) { + /* Just re-use one that was previously allocated */ + list_del(&deferfcp->req_list); + } else { + spin_unlock_irqrestore(&queue->qlock, flags); - if (tgtport->ops->target_features & NVMET_FCTGTFEAT_CMD_IN_ISR) - queue_work_on(queue->cpu, queue->work_q, &fod->work); - else - nvmet_fc_handle_fcp_rqst(tgtport, fod); + /* Now we need to dynamically allocate one */ + deferfcp = kmalloc(sizeof(*deferfcp), GFP_KERNEL); + if (!deferfcp) { + /* release the queue lookup reference */ + nvmet_fc_tgt_q_put(queue); + return -ENOMEM; + } + spin_lock_irqsave(&queue->qlock, flags); + } - return 0; + /* For now, use rspaddr / rsplen to save payload information */ + fcpreq->rspaddr = cmdiubuf; + fcpreq->rsplen = cmdiubuf_len; + deferfcp->fcp_req = fcpreq; + + /* defer processing till a fod becomes available */ + list_add_tail(&deferfcp->req_list, &queue->pending_cmd_list); + + /* NOTE: the queue lookup reference is still valid */ + + spin_unlock_irqrestore(&queue->qlock, flags); + + return -EOVERFLOW; } EXPORT_SYMBOL_GPL(nvmet_fc_rcv_fcp_req); @@ -2293,66 +2449,70 @@ nvmet_fc_rcv_fcp_abort(struct nvmet_fc_target_port *target_port, } EXPORT_SYMBOL_GPL(nvmet_fc_rcv_fcp_abort); -enum { - FCT_TRADDR_ERR = 0, - FCT_TRADDR_WWNN = 1 << 0, - FCT_TRADDR_WWPN = 1 << 1, -}; struct nvmet_fc_traddr { u64 nn; u64 pn; }; -static const match_table_t traddr_opt_tokens = { - { FCT_TRADDR_WWNN, "nn-%s" }, - { FCT_TRADDR_WWPN, "pn-%s" }, - { FCT_TRADDR_ERR, NULL } -}; - static int -nvmet_fc_parse_traddr(struct nvmet_fc_traddr *traddr, char *buf) +__nvme_fc_parse_u64(substring_t *sstr, u64 *val) { - substring_t args[MAX_OPT_ARGS]; - char *options, *o, *p; - int token, ret = 0; u64 token64; - options = o = kstrdup(buf, GFP_KERNEL); - if (!options) - return -ENOMEM; + if (match_u64(sstr, &token64)) + return -EINVAL; + *val = token64; - while ((p = strsep(&o, ":\n")) != NULL) { - if (!*p) - continue; + return 0; +} - token = match_token(p, traddr_opt_tokens, args); - switch (token) { - case FCT_TRADDR_WWNN: - if (match_u64(args, &token64)) { - ret = -EINVAL; - goto out; - } - traddr->nn = token64; - break; - case FCT_TRADDR_WWPN: - if (match_u64(args, &token64)) { - ret = -EINVAL; - goto out; - } - traddr->pn = token64; - break; - default: - pr_warn("unknown traddr token or missing value '%s'\n", - p); - ret = -EINVAL; - goto out; - } - } +/* + * This routine validates and extracts the WWN's from the TRADDR string. + * As kernel parsers need the 0x to determine number base, universally + * build string to parse with 0x prefix before parsing name strings. + */ +static int +nvme_fc_parse_traddr(struct nvmet_fc_traddr *traddr, char *buf, size_t blen) +{ + char name[2 + NVME_FC_TRADDR_HEXNAMELEN + 1]; + substring_t wwn = { name, &name[sizeof(name)-1] }; + int nnoffset, pnoffset; + + /* validate it string one of the 2 allowed formats */ + if (strnlen(buf, blen) == NVME_FC_TRADDR_MAXLENGTH && + !strncmp(buf, "nn-0x", NVME_FC_TRADDR_OXNNLEN) && + !strncmp(&buf[NVME_FC_TRADDR_MAX_PN_OFFSET], + "pn-0x", NVME_FC_TRADDR_OXNNLEN)) { + nnoffset = NVME_FC_TRADDR_OXNNLEN; + pnoffset = NVME_FC_TRADDR_MAX_PN_OFFSET + + NVME_FC_TRADDR_OXNNLEN; + } else if ((strnlen(buf, blen) == NVME_FC_TRADDR_MINLENGTH && + !strncmp(buf, "nn-", NVME_FC_TRADDR_NNLEN) && + !strncmp(&buf[NVME_FC_TRADDR_MIN_PN_OFFSET], + "pn-", NVME_FC_TRADDR_NNLEN))) { + nnoffset = NVME_FC_TRADDR_NNLEN; + pnoffset = NVME_FC_TRADDR_MIN_PN_OFFSET + NVME_FC_TRADDR_NNLEN; + } else + goto out_einval; + + name[0] = '0'; + name[1] = 'x'; + name[2 + NVME_FC_TRADDR_HEXNAMELEN] = 0; + + memcpy(&name[2], &buf[nnoffset], NVME_FC_TRADDR_HEXNAMELEN); + if (__nvme_fc_parse_u64(&wwn, &traddr->nn)) + goto out_einval; + + memcpy(&name[2], &buf[pnoffset], NVME_FC_TRADDR_HEXNAMELEN); + if (__nvme_fc_parse_u64(&wwn, &traddr->pn)) + goto out_einval; -out: - kfree(options); - return ret; + return 0; + +out_einval: + pr_warn("%s: bad traddr string\n", __func__); + return -EINVAL; } static int @@ -2370,7 +2530,8 @@ nvmet_fc_add_port(struct nvmet_port *port) /* map the traddr address info to a target port */ - ret = nvmet_fc_parse_traddr(&traddr, port->disc_addr.traddr); + ret = nvme_fc_parse_traddr(&traddr, port->disc_addr.traddr, + sizeof(port->disc_addr.traddr)); if (ret) return ret; diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 6ce72aa65425..ab21c846eb27 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -476,7 +476,7 @@ int of_irq_to_resource_table(struct device_node *dev, struct resource *res, int i; for (i = 0; i < nr_irqs; i++, res++) - if (!of_irq_to_resource(dev, i, res)) + if (of_irq_to_resource(dev, i, res) <= 0) break; return i; diff --git a/drivers/of/property.c b/drivers/of/property.c index eda50b4be934..067f9fab7b77 100644 --- a/drivers/of/property.c +++ b/drivers/of/property.c @@ -708,6 +708,15 @@ struct device_node *of_graph_get_port_parent(struct device_node *node) { unsigned int depth; + if (!node) + return NULL; + + /* + * Preserve usecount for passed in node as of_get_next_parent() + * will do of_node_put() on it. + */ + of_node_get(node); + /* Walk 3 levels up only if there is 'ports' node. */ for (depth = 3; depth && node; depth--) { node = of_get_next_parent(node); @@ -728,12 +737,16 @@ EXPORT_SYMBOL(of_graph_get_port_parent); struct device_node *of_graph_get_remote_port_parent( const struct device_node *node) { - struct device_node *np; + struct device_node *np, *pp; /* Get remote endpoint node. */ np = of_graph_get_remote_endpoint(node); - return of_graph_get_port_parent(np); + pp = of_graph_get_port_parent(np); + + of_node_put(np); + + return pp; } EXPORT_SYMBOL(of_graph_get_remote_port_parent); diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c index 055f83fddc18..b1ff46fe4547 100644 --- a/drivers/parisc/pdc_stable.c +++ b/drivers/parisc/pdc_stable.c @@ -333,11 +333,11 @@ pdcspath_hwpath_write(struct pdcspath_entry *entry, const char *buf, size_t coun /* Update the symlink to the real device */ sysfs_remove_link(&entry->kobj, "device"); + write_unlock(&entry->rw_lock); + ret = sysfs_create_link(&entry->kobj, &entry->dev->kobj, "device"); WARN_ON(ret); - write_unlock(&entry->rw_lock); - printk(KERN_INFO PDCS_PREFIX ": changed \"%s\" path to \"%s\"\n", entry->name, buf); @@ -954,7 +954,7 @@ static struct attribute *pdcs_subsys_attrs[] = { NULL, }; -static struct attribute_group pdcs_attr_group = { +static const struct attribute_group pdcs_attr_group = { .attrs = pdcs_subsys_attrs, }; @@ -998,6 +998,7 @@ pdcs_register_pathentries(void) /* kobject is now registered */ write_lock(&entry->rw_lock); entry->ready = 2; + write_unlock(&entry->rw_lock); /* Add a nice symlink to the real device */ if (entry->dev) { @@ -1005,7 +1006,6 @@ pdcs_register_pathentries(void) WARN_ON(err); } - write_unlock(&entry->rw_lock); kobject_uevent(&entry->kobj, KOBJ_ADD); } diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index af0cc3456dc1..b4b7eab29400 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4260,6 +4260,41 @@ int pci_reset_function(struct pci_dev *dev) EXPORT_SYMBOL_GPL(pci_reset_function); /** + * pci_reset_function_locked - quiesce and reset a PCI device function + * @dev: PCI device to reset + * + * Some devices allow an individual function to be reset without affecting + * other functions in the same device. The PCI device must be responsive + * to PCI config space in order to use this function. + * + * This function does not just reset the PCI portion of a device, but + * clears all the state associated with the device. This function differs + * from __pci_reset_function() in that it saves and restores device state + * over the reset. It also differs from pci_reset_function() in that it + * requires the PCI device lock to be held. + * + * Returns 0 if the device function was successfully reset or negative if the + * device doesn't support resetting a single function. + */ +int pci_reset_function_locked(struct pci_dev *dev) +{ + int rc; + + rc = pci_probe_reset_function(dev); + if (rc) + return rc; + + pci_dev_save_and_disable(dev); + + rc = __pci_reset_function_locked(dev); + + pci_dev_restore(dev); + + return rc; +} +EXPORT_SYMBOL_GPL(pci_reset_function_locked); + +/** * pci_try_reset_function - quiesce and reset a PCI device function * @dev: PCI device to reset * diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index dc459eb1246b..1c5e0f333779 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -569,22 +569,41 @@ int armpmu_request_irq(struct arm_pmu *armpmu, int cpu) if (irq != other_irq) { pr_warn("mismatched PPIs detected.\n"); err = -EINVAL; + goto err_out; } } else { - err = request_irq(irq, handler, - IRQF_NOBALANCING | IRQF_NO_THREAD, "arm-pmu", + struct arm_pmu_platdata *platdata = armpmu_get_platdata(armpmu); + unsigned long irq_flags; + + err = irq_force_affinity(irq, cpumask_of(cpu)); + + if (err && num_possible_cpus() > 1) { + pr_warn("unable to set irq affinity (irq=%d, cpu=%u)\n", + irq, cpu); + goto err_out; + } + + if (platdata && platdata->irq_flags) { + irq_flags = platdata->irq_flags; + } else { + irq_flags = IRQF_PERCPU | + IRQF_NOBALANCING | + IRQF_NO_THREAD; + } + + err = request_irq(irq, handler, irq_flags, "arm-pmu", per_cpu_ptr(&hw_events->percpu_pmu, cpu)); } - if (err) { - pr_err("unable to request IRQ%d for ARM PMU counters\n", - irq); - return err; - } + if (err) + goto err_out; cpumask_set_cpu(cpu, &armpmu->active_irqs); - return 0; + +err_out: + pr_err("unable to request IRQ%d for ARM PMU counters\n", irq); + return err; } int armpmu_request_irqs(struct arm_pmu *armpmu) @@ -628,12 +647,6 @@ static int arm_perf_starting_cpu(unsigned int cpu, struct hlist_node *node) enable_percpu_irq(irq, IRQ_TYPE_NONE); return 0; } - - if (irq_force_affinity(irq, cpumask_of(cpu)) && - num_possible_cpus() > 1) { - pr_warn("unable to set irq affinity (irq=%d, cpu=%u)\n", - irq, cpu); - } } return 0; diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c index 69255f53057a..4eafa7a42e52 100644 --- a/drivers/perf/arm_pmu_platform.c +++ b/drivers/perf/arm_pmu_platform.c @@ -131,8 +131,8 @@ static int pmu_parse_irqs(struct arm_pmu *pmu) } if (!pmu_has_irq_affinity(pdev->dev.of_node)) { - pr_warn("no interrupt-affinity property for %s, guessing.\n", - of_node_full_name(pdev->dev.of_node)); + pr_warn("no interrupt-affinity property for %pOF, guessing.\n", + pdev->dev.of_node); } /* @@ -211,7 +211,7 @@ int arm_pmu_device_probe(struct platform_device *pdev, } if (ret) { - pr_info("%s: failed to probe PMU!\n", of_node_full_name(node)); + pr_info("%pOF: failed to probe PMU!\n", node); goto out_free; } @@ -228,8 +228,7 @@ int arm_pmu_device_probe(struct platform_device *pdev, out_free_irqs: armpmu_free_irqs(pmu); out_free: - pr_info("%s: failed to register PMU devices!\n", - of_node_full_name(node)); + pr_info("%pOF: failed to register PMU devices!\n", node); armpmu_free(pmu); return ret; } diff --git a/drivers/perf/qcom_l2_pmu.c b/drivers/perf/qcom_l2_pmu.c index c259848228b4..b242cce10468 100644 --- a/drivers/perf/qcom_l2_pmu.c +++ b/drivers/perf/qcom_l2_pmu.c @@ -546,6 +546,7 @@ static int l2_cache_event_init(struct perf_event *event) } if ((event != event->group_leader) && + !is_software_event(event->group_leader) && (L2_EVT_GROUP(event->group_leader->attr.config) == L2_EVT_GROUP(event->attr.config))) { dev_dbg_ratelimited(&l2cache_pmu->pdev->dev, @@ -558,6 +559,7 @@ static int l2_cache_event_init(struct perf_event *event) list_for_each_entry(sibling, &event->group_leader->sibling_list, group_entry) { if ((sibling != event) && + !is_software_event(sibling) && (L2_EVT_GROUP(sibling->attr.config) == L2_EVT_GROUP(event->attr.config))) { dev_dbg_ratelimited(&l2cache_pmu->pdev->dev, diff --git a/drivers/phy/broadcom/Kconfig b/drivers/phy/broadcom/Kconfig index 37371b89b14f..64fc59c3ae6d 100644 --- a/drivers/phy/broadcom/Kconfig +++ b/drivers/phy/broadcom/Kconfig @@ -30,8 +30,8 @@ config PHY_BCM_NS_USB3 tristate "Broadcom Northstar USB 3.0 PHY Driver" depends on ARCH_BCM_IPROC || COMPILE_TEST depends on HAS_IOMEM && OF + depends on MDIO_BUS select GENERIC_PHY - select MDIO_DEVICE help Enable this to support Broadcom USB 3.0 PHY connected to the USB controller on Northstar family. diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 20f1b4493994..04e929fd0ffe 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1548,6 +1548,13 @@ static const struct dmi_system_id chv_no_valid_mask[] = { }, }, { + .ident = "HP Chromebook 11 G5 (Setzer)", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "HP"), + DMI_MATCH(DMI_PRODUCT_NAME, "Setzer"), + }, + }, + { .ident = "Acer Chromebook R11 (Cyan)", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), diff --git a/drivers/pinctrl/intel/pinctrl-merrifield.c b/drivers/pinctrl/intel/pinctrl-merrifield.c index 4d4ef42a39b5..86c4b3fab7b0 100644 --- a/drivers/pinctrl/intel/pinctrl-merrifield.c +++ b/drivers/pinctrl/intel/pinctrl-merrifield.c @@ -343,9 +343,9 @@ static const struct pinctrl_pin_desc mrfld_pins[] = { static const unsigned int mrfld_sdio_pins[] = { 50, 51, 52, 53, 54, 55, 56 }; static const unsigned int mrfld_spi5_pins[] = { 90, 91, 92, 93, 94, 95, 96 }; -static const unsigned int mrfld_uart0_pins[] = { 124, 125, 126, 127 }; -static const unsigned int mrfld_uart1_pins[] = { 128, 129, 130, 131 }; -static const unsigned int mrfld_uart2_pins[] = { 132, 133, 134, 135 }; +static const unsigned int mrfld_uart0_pins[] = { 115, 116, 117, 118 }; +static const unsigned int mrfld_uart1_pins[] = { 119, 120, 121, 122 }; +static const unsigned int mrfld_uart2_pins[] = { 123, 124, 125, 126 }; static const unsigned int mrfld_pwm0_pins[] = { 144 }; static const unsigned int mrfld_pwm1_pins[] = { 145 }; static const unsigned int mrfld_pwm2_pins[] = { 132 }; diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c index f024e25787fc..0c6d7812d6fd 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c @@ -37,7 +37,7 @@ #define IRQ_STATUS 0x10 #define IRQ_WKUP 0x18 -#define NB_FUNCS 2 +#define NB_FUNCS 3 #define GPIO_PER_REG 32 /** @@ -126,6 +126,16 @@ struct armada_37xx_pinctrl { .funcs = {_func1, "gpio"} \ } +#define PIN_GRP_GPIO_3(_name, _start, _nr, _mask, _v1, _v2, _v3, _f1, _f2) \ + { \ + .name = _name, \ + .start_pin = _start, \ + .npins = _nr, \ + .reg_mask = _mask, \ + .val = {_v1, _v2, _v3}, \ + .funcs = {_f1, _f2, "gpio"} \ + } + #define PIN_GRP_EXTRA(_name, _start, _nr, _mask, _v1, _v2, _start2, _nr2, \ _f1, _f2) \ { \ @@ -171,12 +181,13 @@ static struct armada_37xx_pin_group armada_37xx_sb_groups[] = { PIN_GRP_GPIO("usb32_drvvbus0", 0, 1, BIT(0), "drvbus"), PIN_GRP_GPIO("usb2_drvvbus1", 1, 1, BIT(1), "drvbus"), PIN_GRP_GPIO("sdio_sb", 24, 6, BIT(2), "sdio"), - PIN_GRP_EXTRA("rgmii", 6, 12, BIT(3), 0, BIT(3), 23, 1, "mii", "gpio"), + PIN_GRP_GPIO("rgmii", 6, 12, BIT(3), "mii"), PIN_GRP_GPIO("pcie1", 3, 2, BIT(4), "pcie"), PIN_GRP_GPIO("ptp", 20, 3, BIT(5), "ptp"), PIN_GRP("ptp_clk", 21, 1, BIT(6), "ptp", "mii"), PIN_GRP("ptp_trig", 22, 1, BIT(7), "ptp", "mii"), - PIN_GRP("mii_col", 23, 1, BIT(8), "mii", "mii_err"), + PIN_GRP_GPIO_3("mii_col", 23, 1, BIT(8) | BIT(14), 0, BIT(8), BIT(14), + "mii", "mii_err"), }; const struct armada_37xx_pin_data armada_37xx_pin_nb = { @@ -187,7 +198,7 @@ const struct armada_37xx_pin_data armada_37xx_pin_nb = { }; const struct armada_37xx_pin_data armada_37xx_pin_sb = { - .nr_pins = 29, + .nr_pins = 30, .name = "GPIO2", .groups = armada_37xx_sb_groups, .ngroups = ARRAY_SIZE(armada_37xx_sb_groups), @@ -208,7 +219,7 @@ static int armada_37xx_get_func_reg(struct armada_37xx_pin_group *grp, { int f; - for (f = 0; f < NB_FUNCS; f++) + for (f = 0; (f < NB_FUNCS) && grp->funcs[f]; f++) if (!strcmp(grp->funcs[f], func)) return f; @@ -795,7 +806,7 @@ static int armada_37xx_fill_group(struct armada_37xx_pinctrl *info) for (j = 0; j < grp->extra_npins; j++) grp->pins[i+j] = grp->extra_pin + j; - for (f = 0; f < NB_FUNCS; f++) { + for (f = 0; (f < NB_FUNCS) && grp->funcs[f]; f++) { int ret; /* check for unique functions and count groups */ ret = armada_37xx_add_function(info->funcs, &funcsize, @@ -847,7 +858,7 @@ static int armada_37xx_fill_func(struct armada_37xx_pinctrl *info) struct armada_37xx_pin_group *gp = &info->groups[g]; int f; - for (f = 0; f < NB_FUNCS; f++) { + for (f = 0; (f < NB_FUNCS) && gp->funcs[f]; f++) { if (strcmp(gp->funcs[f], name) == 0) { *groups = gp->name; groups++; diff --git a/drivers/pinctrl/stm32/Kconfig b/drivers/pinctrl/stm32/Kconfig index 3b8026fca057..7e1fe39a56a5 100644 --- a/drivers/pinctrl/stm32/Kconfig +++ b/drivers/pinctrl/stm32/Kconfig @@ -6,29 +6,30 @@ config PINCTRL_STM32 select PINMUX select GENERIC_PINCONF select GPIOLIB + select IRQ_DOMAIN_HIERARCHY select MFD_SYSCON config PINCTRL_STM32F429 bool "STMicroelectronics STM32F429 pin control" if COMPILE_TEST && !MACH_STM32F429 - depends on OF && IRQ_DOMAIN_HIERARCHY + depends on OF default MACH_STM32F429 select PINCTRL_STM32 config PINCTRL_STM32F469 bool "STMicroelectronics STM32F469 pin control" if COMPILE_TEST && !MACH_STM32F469 - depends on OF && IRQ_DOMAIN_HIERARCHY + depends on OF default MACH_STM32F469 select PINCTRL_STM32 config PINCTRL_STM32F746 bool "STMicroelectronics STM32F746 pin control" if COMPILE_TEST && !MACH_STM32F746 - depends on OF && IRQ_DOMAIN_HIERARCHY + depends on OF default MACH_STM32F746 select PINCTRL_STM32 config PINCTRL_STM32H743 bool "STMicroelectronics STM32H743 pin control" if COMPILE_TEST && !MACH_STM32H743 - depends on OF && IRQ_DOMAIN_HIERARCHY + depends on OF default MACH_STM32H743 select PINCTRL_STM32 endif diff --git a/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c b/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c index 159580c04b14..47a392bc73c8 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c +++ b/drivers/pinctrl/sunxi/pinctrl-sun4i-a10.c @@ -918,6 +918,7 @@ static const struct sunxi_desc_pin sun4i_a10_pins[] = { SUNXI_FUNCTION_VARIANT(0x3, "emac", /* ETXD1 */ PINCTRL_SUN7I_A20), SUNXI_FUNCTION(0x4, "keypad"), /* IN6 */ + SUNXI_FUNCTION(0x5, "sim"), /* DET */ SUNXI_FUNCTION_IRQ(0x6, 16), /* EINT16 */ SUNXI_FUNCTION(0x7, "csi1")), /* D16 */ SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 17), diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c index a433a306a2d0..c75e094b2d90 100644 --- a/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c +++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-pro4.c @@ -1084,7 +1084,7 @@ static const unsigned usb1_pins[] = {182, 183}; static const int usb1_muxvals[] = {0, 0}; static const unsigned usb2_pins[] = {184, 185}; static const int usb2_muxvals[] = {0, 0}; -static const unsigned usb3_pins[] = {186, 187}; +static const unsigned usb3_pins[] = {187, 188}; static const int usb3_muxvals[] = {0, 0}; static const unsigned port_range0_pins[] = { 300, 301, 302, 303, 304, 305, 306, 307, /* PORT0x */ diff --git a/drivers/pinctrl/zte/pinctrl-zx.c b/drivers/pinctrl/zte/pinctrl-zx.c index 787e3967bd5c..f828ee340a98 100644 --- a/drivers/pinctrl/zte/pinctrl-zx.c +++ b/drivers/pinctrl/zte/pinctrl-zx.c @@ -64,10 +64,8 @@ static int zx_set_mux(struct pinctrl_dev *pctldev, unsigned int func_selector, struct zx_pinctrl_soc_info *info = zpctl->info; const struct pinctrl_pin_desc *pindesc = info->pins + group_selector; struct zx_pin_data *data = pindesc->drv_data; - struct zx_mux_desc *mux = data->muxes; - u32 mask = (1 << data->width) - 1; - u32 offset = data->offset; - u32 bitpos = data->bitpos; + struct zx_mux_desc *mux; + u32 mask, offset, bitpos; struct function_desc *func; unsigned long flags; u32 val, mval; @@ -76,6 +74,11 @@ static int zx_set_mux(struct pinctrl_dev *pctldev, unsigned int func_selector, if (!data) return -EINVAL; + mux = data->muxes; + mask = (1 << data->width) - 1; + offset = data->offset; + bitpos = data->bitpos; + func = pinmux_generic_get_function(pctldev, func_selector); if (!func) return -EINVAL; diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index b04860703740..80b87954f6dd 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -675,6 +675,7 @@ config PEAQ_WMI tristate "PEAQ 2-in-1 WMI hotkey driver" depends on ACPI_WMI depends on INPUT + select INPUT_POLLDEV help Say Y here if you want to support WMI-based hotkeys on PEAQ 2-in-1s. diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index f8978464df31..dad8f4afa17c 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -626,7 +626,7 @@ static void dell_wmi_input_destroy(struct wmi_device *wdev) * WMI Interface Version 8 4 <version> * WMI buffer length 12 4 4096 */ -static int __init dell_wmi_check_descriptor_buffer(void) +static int dell_wmi_check_descriptor_buffer(void) { struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; @@ -717,9 +717,15 @@ static int dell_wmi_events_set_enabled(bool enable) static int dell_wmi_probe(struct wmi_device *wdev) { + int err; + struct dell_wmi_priv *priv = devm_kzalloc( &wdev->dev, sizeof(struct dell_wmi_priv), GFP_KERNEL); + err = dell_wmi_check_descriptor_buffer(); + if (err) + return err; + dev_set_drvdata(&wdev->dev, priv); return dell_wmi_input_setup(wdev); @@ -749,10 +755,6 @@ static int __init dell_wmi_init(void) { int err; - err = dell_wmi_check_descriptor_buffer(); - if (err) - return err; - dmi_check_system(dell_wmi_smbios_list); if (wmi_requires_smbios_request) { diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c index 61f106377661..480926786cb8 100644 --- a/drivers/platform/x86/intel-vbtn.c +++ b/drivers/platform/x86/intel-vbtn.c @@ -36,8 +36,8 @@ static const struct acpi_device_id intel_vbtn_ids[] = { /* In theory, these are HID usages. */ static const struct key_entry intel_vbtn_keymap[] = { - { KE_IGNORE, 0xC0, { KEY_POWER } }, /* power key press */ - { KE_KEY, 0xC1, { KEY_POWER } }, /* power key release */ + { KE_KEY, 0xC0, { KEY_POWER } }, /* power key press */ + { KE_IGNORE, 0xC1, { KEY_POWER } }, /* power key release */ { KE_KEY, 0xC4, { KEY_VOLUMEUP } }, /* volume-up key press */ { KE_IGNORE, 0xC5, { KEY_VOLUMEUP } }, /* volume-up key release */ { KE_KEY, 0xC6, { KEY_VOLUMEDOWN } }, /* volume-down key press */ diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 1a764e311e11..e32ba575e8d9 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -1252,12 +1252,12 @@ static int __init acpi_wmi_init(void) return 0; -err_unreg_class: - class_unregister(&wmi_bus_class); - err_unreg_bus: bus_unregister(&wmi_bus_type); +err_unreg_class: + class_unregister(&wmi_bus_class); + return error; } diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c index b77435783ef3..7eacc1c4b3b1 100644 --- a/drivers/ptp/ptp_clock.c +++ b/drivers/ptp/ptp_clock.c @@ -28,6 +28,7 @@ #include <linux/slab.h> #include <linux/syscalls.h> #include <linux/uaccess.h> +#include <uapi/linux/sched/types.h> #include "ptp_private.h" @@ -184,6 +185,19 @@ static void delete_ptp_clock(struct posix_clock *pc) kfree(ptp); } +static void ptp_aux_kworker(struct kthread_work *work) +{ + struct ptp_clock *ptp = container_of(work, struct ptp_clock, + aux_work.work); + struct ptp_clock_info *info = ptp->info; + long delay; + + delay = info->do_aux_work(info); + + if (delay >= 0) + kthread_queue_delayed_work(ptp->kworker, &ptp->aux_work, delay); +} + /* public interface */ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info, @@ -217,6 +231,20 @@ struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info, mutex_init(&ptp->pincfg_mux); init_waitqueue_head(&ptp->tsev_wq); + if (ptp->info->do_aux_work) { + char *worker_name = kasprintf(GFP_KERNEL, "ptp%d", ptp->index); + + kthread_init_delayed_work(&ptp->aux_work, ptp_aux_kworker); + ptp->kworker = kthread_create_worker(0, worker_name ? + worker_name : info->name); + kfree(worker_name); + if (IS_ERR(ptp->kworker)) { + err = PTR_ERR(ptp->kworker); + pr_err("failed to create ptp aux_worker %d\n", err); + goto kworker_err; + } + } + err = ptp_populate_pin_groups(ptp); if (err) goto no_pin_groups; @@ -259,6 +287,9 @@ no_pps: no_device: ptp_cleanup_pin_groups(ptp); no_pin_groups: + if (ptp->kworker) + kthread_destroy_worker(ptp->kworker); +kworker_err: mutex_destroy(&ptp->tsevq_mux); mutex_destroy(&ptp->pincfg_mux); ida_simple_remove(&ptp_clocks_map, index); @@ -274,6 +305,11 @@ int ptp_clock_unregister(struct ptp_clock *ptp) ptp->defunct = 1; wake_up_interruptible(&ptp->tsev_wq); + if (ptp->kworker) { + kthread_cancel_delayed_work_sync(&ptp->aux_work); + kthread_destroy_worker(ptp->kworker); + } + /* Release the clock's resources. */ if (ptp->pps_source) pps_unregister_source(ptp->pps_source); @@ -339,6 +375,12 @@ int ptp_find_pin(struct ptp_clock *ptp, } EXPORT_SYMBOL(ptp_find_pin); +int ptp_schedule_worker(struct ptp_clock *ptp, unsigned long delay) +{ + return kthread_mod_delayed_work(ptp->kworker, &ptp->aux_work, delay); +} +EXPORT_SYMBOL(ptp_schedule_worker); + /* module operations */ static void __exit ptp_exit(void) diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h index d95888974d0c..b86f1bfecd6f 100644 --- a/drivers/ptp/ptp_private.h +++ b/drivers/ptp/ptp_private.h @@ -22,6 +22,7 @@ #include <linux/cdev.h> #include <linux/device.h> +#include <linux/kthread.h> #include <linux/mutex.h> #include <linux/posix-clock.h> #include <linux/ptp_clock.h> @@ -56,6 +57,8 @@ struct ptp_clock { struct attribute_group pin_attr_group; /* 1st entry is a pointer to the real group, 2nd is NULL terminator */ const struct attribute_group *pin_attr_groups[2]; + struct kthread_worker *kworker; + struct kthread_delayed_work aux_work; }; /* diff --git a/drivers/s390/cio/chp.c b/drivers/s390/cio/chp.c index 7e0d4f724dda..432fc40990bd 100644 --- a/drivers/s390/cio/chp.c +++ b/drivers/s390/cio/chp.c @@ -559,6 +559,7 @@ static void chp_process_crw(struct crw *crw0, struct crw *crw1, chpid.id = crw0->rsid; switch (crw0->erc) { case CRW_ERC_IPARM: /* Path has come. */ + case CRW_ERC_INIT: if (!chp_is_registered(chpid)) chp_new(chpid); chsc_chp_online(chpid); diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 8975cd321390..d42e758518ed 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2512,7 +2512,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, struct rtable *rt = (struct rtable *) dst; __be32 *pkey = &ip_hdr(skb)->daddr; - if (rt->rt_gateway) + if (rt && rt->rt_gateway) pkey = &rt->rt_gateway; /* IPv4 */ @@ -2523,7 +2523,7 @@ static void qeth_l3_fill_header(struct qeth_card *card, struct qeth_hdr *hdr, struct rt6_info *rt = (struct rt6_info *) dst; struct in6_addr *pkey = &ipv6_hdr(skb)->daddr; - if (!ipv6_addr_any(&rt->rt6i_gateway)) + if (rt && !ipv6_addr_any(&rt->rt6i_gateway)) pkey = &rt->rt6i_gateway; /* IPv6 */ diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c index 04efed171c88..f32765d3cbd8 100644 --- a/drivers/sbus/char/display7seg.c +++ b/drivers/sbus/char/display7seg.c @@ -212,8 +212,8 @@ static int d7s_probe(struct platform_device *op) writeb(regs, p->regs); - printk(KERN_INFO PFX "7-Segment Display%s at [%s:0x%llx] %s\n", - op->dev.of_node->full_name, + printk(KERN_INFO PFX "7-Segment Display%pOF at [%s:0x%llx] %s\n", + op->dev.of_node, (regs & D7S_FLIP) ? " (FLIPPED)" : "", op->resource[0].start, sol_compat ? "in sol_compat mode" : ""); diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c index 216f923161d1..a610b8d3d11f 100644 --- a/drivers/sbus/char/flash.c +++ b/drivers/sbus/char/flash.c @@ -181,8 +181,8 @@ static int flash_probe(struct platform_device *op) } flash.busy = 0; - printk(KERN_INFO "%s: OBP Flash, RD %lx[%lx] WR %lx[%lx]\n", - op->dev.of_node->full_name, + printk(KERN_INFO "%pOF: OBP Flash, RD %lx[%lx] WR %lx[%lx]\n", + op->dev.of_node, flash.read_base, flash.read_size, flash.write_base, flash.write_size); diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c index 57696fc0b482..0a5013350acd 100644 --- a/drivers/sbus/char/uctrl.c +++ b/drivers/sbus/char/uctrl.c @@ -379,8 +379,8 @@ static int uctrl_probe(struct platform_device *op) } sbus_writel(UCTRL_INTR_RXNE_REQ|UCTRL_INTR_RXNE_MSK, &p->regs->uctrl_intr); - printk(KERN_INFO "%s: uctrl regs[0x%p] (irq %d)\n", - op->dev.of_node->full_name, p->regs, p->irq); + printk(KERN_INFO "%pOF: uctrl regs[0x%p] (irq %d)\n", + op->dev.of_node, p->regs, p->irq); uctrl_get_event_status(p); uctrl_get_external_status(p); diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index d384f4f86c26..f4538d7a3016 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -1230,6 +1230,8 @@ config SCSI_LPFC tristate "Emulex LightPulse Fibre Channel Support" depends on PCI && SCSI depends on SCSI_FC_ATTRS + depends on NVME_TARGET_FC || NVME_TARGET_FC=n + depends on NVME_FC || NVME_FC=n select CRC_T10DIF ---help--- This lpfc driver supports the Emulex LightPulse diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index 707ee2f5954d..4591113c49de 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -3198,10 +3198,11 @@ static int query_disk(struct aac_dev *dev, void __user *arg) return -EBUSY; if (copy_from_user(&qd, arg, sizeof (struct aac_query_disk))) return -EFAULT; - if (qd.cnum == -1) + if (qd.cnum == -1) { + if (qd.id < 0 || qd.id >= dev->maximum_num_containers) + return -EINVAL; qd.cnum = qd.id; - else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) - { + } else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) { if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers) return -EINVAL; qd.instance = dev->scsi_host_ptr->host_no; diff --git a/drivers/scsi/aic7xxx/Makefile b/drivers/scsi/aic7xxx/Makefile index 741d81861d17..07b60a780c06 100644 --- a/drivers/scsi/aic7xxx/Makefile +++ b/drivers/scsi/aic7xxx/Makefile @@ -55,9 +55,9 @@ aicasm-7xxx-opts-$(CONFIG_AIC7XXX_REG_PRETTY_PRINT) := \ ifeq ($(CONFIG_AIC7XXX_BUILD_FIRMWARE),y) $(obj)/aic7xxx_seq.h: $(src)/aic7xxx.seq $(src)/aic7xxx.reg $(obj)/aicasm/aicasm - $(obj)/aicasm/aicasm -I$(src) -r $(obj)/aic7xxx_reg.h \ + $(obj)/aicasm/aicasm -I$(srctree)/$(src) -r $(obj)/aic7xxx_reg.h \ $(aicasm-7xxx-opts-y) -o $(obj)/aic7xxx_seq.h \ - $(src)/aic7xxx.seq + $(srctree)/$(src)/aic7xxx.seq $(aic7xxx-gen-y): $(obj)/aic7xxx_seq.h else @@ -72,14 +72,14 @@ aicasm-79xx-opts-$(CONFIG_AIC79XX_REG_PRETTY_PRINT) := \ ifeq ($(CONFIG_AIC79XX_BUILD_FIRMWARE),y) $(obj)/aic79xx_seq.h: $(src)/aic79xx.seq $(src)/aic79xx.reg $(obj)/aicasm/aicasm - $(obj)/aicasm/aicasm -I$(src) -r $(obj)/aic79xx_reg.h \ + $(obj)/aicasm/aicasm -I$(srctree)/$(src) -r $(obj)/aic79xx_reg.h \ $(aicasm-79xx-opts-y) -o $(obj)/aic79xx_seq.h \ - $(src)/aic79xx.seq + $(srctree)/$(src)/aic79xx.seq $(aic79xx-gen-y): $(obj)/aic79xx_seq.h else $(obj)/aic79xx_reg_print.c: $(src)/aic79xx_reg_print.c_shipped endif -$(obj)/aicasm/aicasm: $(src)/aicasm/*.[chyl] - $(MAKE) -C $(src)/aicasm +$(obj)/aicasm/aicasm: $(srctree)/$(src)/aicasm/*.[chyl] + $(MAKE) -C $(srctree)/$(src)/aicasm OUTDIR=$(shell pwd)/$(obj)/aicasm/ diff --git a/drivers/scsi/aic7xxx/aicasm/Makefile b/drivers/scsi/aic7xxx/aicasm/Makefile index b98c5c1056c3..45e2d49c1fff 100644 --- a/drivers/scsi/aic7xxx/aicasm/Makefile +++ b/drivers/scsi/aic7xxx/aicasm/Makefile @@ -1,19 +1,21 @@ PROG= aicasm +OUTDIR ?= ./ + .SUFFIXES= .l .y .c .h CSRCS= aicasm.c aicasm_symbol.c YSRCS= aicasm_gram.y aicasm_macro_gram.y LSRCS= aicasm_scan.l aicasm_macro_scan.l -GENHDRS= aicdb.h $(YSRCS:.y=.h) -GENSRCS= $(YSRCS:.y=.c) $(LSRCS:.l=.c) +GENHDRS= $(addprefix ${OUTDIR}/,aicdb.h $(YSRCS:.y=.h)) +GENSRCS= $(addprefix ${OUTDIR}/,$(YSRCS:.y=.c) $(LSRCS:.l=.c)) SRCS= ${CSRCS} ${GENSRCS} LIBS= -ldb clean-files:= ${GENSRCS} ${GENHDRS} $(YSRCS:.y=.output) $(PROG) # Override default kernel CFLAGS. This is a userland app. -AICASM_CFLAGS:= -I/usr/include -I. +AICASM_CFLAGS:= -I/usr/include -I. -I$(OUTDIR) LEX= flex YACC= bison YFLAGS= -d @@ -32,22 +34,25 @@ YFLAGS+= -t -v LFLAGS= -d endif -$(PROG): ${GENHDRS} $(SRCS) - $(AICASM_CC) $(AICASM_CFLAGS) $(SRCS) -o $(PROG) $(LIBS) +$(PROG): $(OUTDIR) ${GENHDRS} $(SRCS) + $(AICASM_CC) $(AICASM_CFLAGS) $(SRCS) -o $(OUTDIR)/$(PROG) $(LIBS) + +$(OUTDIR): + mkdir -p $(OUTDIR) -aicdb.h: +$(OUTDIR)/aicdb.h: @if [ -e "/usr/include/db4/db_185.h" ]; then \ - echo "#include <db4/db_185.h>" > aicdb.h; \ + echo "#include <db4/db_185.h>" > $@; \ elif [ -e "/usr/include/db3/db_185.h" ]; then \ - echo "#include <db3/db_185.h>" > aicdb.h; \ + echo "#include <db3/db_185.h>" > $@; \ elif [ -e "/usr/include/db2/db_185.h" ]; then \ - echo "#include <db2/db_185.h>" > aicdb.h; \ + echo "#include <db2/db_185.h>" > $@; \ elif [ -e "/usr/include/db1/db_185.h" ]; then \ - echo "#include <db1/db_185.h>" > aicdb.h; \ + echo "#include <db1/db_185.h>" > $@; \ elif [ -e "/usr/include/db/db_185.h" ]; then \ - echo "#include <db/db_185.h>" > aicdb.h; \ + echo "#include <db/db_185.h>" > $@; \ elif [ -e "/usr/include/db_185.h" ]; then \ - echo "#include <db_185.h>" > aicdb.h; \ + echo "#include <db_185.h>" > $@; \ else \ echo "*** Install db development libraries"; \ fi @@ -58,23 +63,23 @@ clean: # Create a dependency chain in generated files # to avoid concurrent invocations of the single # rule that builds them all. -aicasm_gram.c: aicasm_gram.h -aicasm_gram.c aicasm_gram.h: aicasm_gram.y +$(OUTDIR)/aicasm_gram.c: $(OUTDIR)/aicasm_gram.h +$(OUTDIR)/aicasm_gram.c $(OUTDIR)/aicasm_gram.h: aicasm_gram.y $(YACC) $(YFLAGS) -b $(<:.y=) $< - mv $(<:.y=).tab.c $(<:.y=.c) - mv $(<:.y=).tab.h $(<:.y=.h) + mv $(<:.y=).tab.c $(OUTDIR)/$(<:.y=.c) + mv $(<:.y=).tab.h $(OUTDIR)/$(<:.y=.h) # Create a dependency chain in generated files # to avoid concurrent invocations of the single # rule that builds them all. -aicasm_macro_gram.c: aicasm_macro_gram.h -aicasm_macro_gram.c aicasm_macro_gram.h: aicasm_macro_gram.y +$(OUTDIR)/aicasm_macro_gram.c: $(OUTDIR)/aicasm_macro_gram.h +$(OUTDIR)/aicasm_macro_gram.c $(OUTDIR)/aicasm_macro_gram.h: aicasm_macro_gram.y $(YACC) $(YFLAGS) -b $(<:.y=) -p mm $< - mv $(<:.y=).tab.c $(<:.y=.c) - mv $(<:.y=).tab.h $(<:.y=.h) + mv $(<:.y=).tab.c $(OUTDIR)/$(<:.y=.c) + mv $(<:.y=).tab.h $(OUTDIR)/$(<:.y=.h) -aicasm_scan.c: aicasm_scan.l - $(LEX) $(LFLAGS) -o$@ $< +$(OUTDIR)/aicasm_scan.c: aicasm_scan.l + $(LEX) $(LFLAGS) -o $@ $< -aicasm_macro_scan.c: aicasm_macro_scan.l - $(LEX) $(LFLAGS) -Pmm -o$@ $< +$(OUTDIR)/aicasm_macro_scan.c: aicasm_macro_scan.l + $(LEX) $(LFLAGS) -Pmm -o $@ $< diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index 7dfe709a7138..6844ba361616 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -2624,12 +2624,11 @@ static struct fcoe_transport bnx2fc_transport = { }; /** - * bnx2fc_percpu_thread_create - Create a receive thread for an - * online CPU + * bnx2fc_cpu_online - Create a receive thread for an online CPU * * @cpu: cpu index for the online cpu */ -static void bnx2fc_percpu_thread_create(unsigned int cpu) +static int bnx2fc_cpu_online(unsigned int cpu) { struct bnx2fc_percpu_s *p; struct task_struct *thread; @@ -2639,15 +2638,17 @@ static void bnx2fc_percpu_thread_create(unsigned int cpu) thread = kthread_create_on_node(bnx2fc_percpu_io_thread, (void *)p, cpu_to_node(cpu), "bnx2fc_thread/%d", cpu); + if (IS_ERR(thread)) + return PTR_ERR(thread); + /* bind thread to the cpu */ - if (likely(!IS_ERR(thread))) { - kthread_bind(thread, cpu); - p->iothread = thread; - wake_up_process(thread); - } + kthread_bind(thread, cpu); + p->iothread = thread; + wake_up_process(thread); + return 0; } -static void bnx2fc_percpu_thread_destroy(unsigned int cpu) +static int bnx2fc_cpu_offline(unsigned int cpu) { struct bnx2fc_percpu_s *p; struct task_struct *thread; @@ -2661,7 +2662,6 @@ static void bnx2fc_percpu_thread_destroy(unsigned int cpu) thread = p->iothread; p->iothread = NULL; - /* Free all work in the list */ list_for_each_entry_safe(work, tmp, &p->work_list, list) { list_del_init(&work->list); @@ -2673,20 +2673,6 @@ static void bnx2fc_percpu_thread_destroy(unsigned int cpu) if (thread) kthread_stop(thread); -} - - -static int bnx2fc_cpu_online(unsigned int cpu) -{ - printk(PFX "CPU %x online: Create Rx thread\n", cpu); - bnx2fc_percpu_thread_create(cpu); - return 0; -} - -static int bnx2fc_cpu_dead(unsigned int cpu) -{ - printk(PFX "CPU %x offline: Remove Rx thread\n", cpu); - bnx2fc_percpu_thread_destroy(cpu); return 0; } @@ -2761,30 +2747,16 @@ static int __init bnx2fc_mod_init(void) spin_lock_init(&p->fp_work_lock); } - get_online_cpus(); - - for_each_online_cpu(cpu) - bnx2fc_percpu_thread_create(cpu); - - rc = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN, - "scsi/bnx2fc:online", - bnx2fc_cpu_online, NULL); + rc = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "scsi/bnx2fc:online", + bnx2fc_cpu_online, bnx2fc_cpu_offline); if (rc < 0) - goto stop_threads; + goto stop_thread; bnx2fc_online_state = rc; - cpuhp_setup_state_nocalls(CPUHP_SCSI_BNX2FC_DEAD, "scsi/bnx2fc:dead", - NULL, bnx2fc_cpu_dead); - put_online_cpus(); - cnic_register_driver(CNIC_ULP_FCOE, &bnx2fc_cnic_cb); - return 0; -stop_threads: - for_each_online_cpu(cpu) - bnx2fc_percpu_thread_destroy(cpu); - put_online_cpus(); +stop_thread: kthread_stop(l2_thread); free_wq: destroy_workqueue(bnx2fc_wq); @@ -2803,7 +2775,6 @@ static void __exit bnx2fc_mod_exit(void) struct fcoe_percpu_s *bg; struct task_struct *l2_thread; struct sk_buff *skb; - unsigned int cpu = 0; /* * NOTE: Since cnic calls register_driver routine rtnl_lock, @@ -2844,16 +2815,7 @@ static void __exit bnx2fc_mod_exit(void) if (l2_thread) kthread_stop(l2_thread); - get_online_cpus(); - /* Destroy per cpu threads */ - for_each_online_cpu(cpu) { - bnx2fc_percpu_thread_destroy(cpu); - } - - cpuhp_remove_state_nocalls(bnx2fc_online_state); - cpuhp_remove_state_nocalls(CPUHP_SCSI_BNX2FC_DEAD); - - put_online_cpus(); + cpuhp_remove_state(bnx2fc_online_state); destroy_workqueue(bnx2fc_wq); /* diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c index 913c750205ce..26de61d65a4d 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c @@ -1008,6 +1008,28 @@ static struct bnx2fc_work *bnx2fc_alloc_work(struct bnx2fc_rport *tgt, u16 wqe) return work; } +/* Pending work request completion */ +static void bnx2fc_pending_work(struct bnx2fc_rport *tgt, unsigned int wqe) +{ + unsigned int cpu = wqe % num_possible_cpus(); + struct bnx2fc_percpu_s *fps; + struct bnx2fc_work *work; + + fps = &per_cpu(bnx2fc_percpu, cpu); + spin_lock_bh(&fps->fp_work_lock); + if (fps->iothread) { + work = bnx2fc_alloc_work(tgt, wqe); + if (work) { + list_add_tail(&work->list, &fps->work_list); + wake_up_process(fps->iothread); + spin_unlock_bh(&fps->fp_work_lock); + return; + } + } + spin_unlock_bh(&fps->fp_work_lock); + bnx2fc_process_cq_compl(tgt, wqe); +} + int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt) { struct fcoe_cqe *cq; @@ -1042,28 +1064,7 @@ int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt) /* Unsolicited event notification */ bnx2fc_process_unsol_compl(tgt, wqe); } else { - /* Pending work request completion */ - struct bnx2fc_work *work = NULL; - struct bnx2fc_percpu_s *fps = NULL; - unsigned int cpu = wqe % num_possible_cpus(); - - fps = &per_cpu(bnx2fc_percpu, cpu); - spin_lock_bh(&fps->fp_work_lock); - if (unlikely(!fps->iothread)) - goto unlock; - - work = bnx2fc_alloc_work(tgt, wqe); - if (work) - list_add_tail(&work->list, - &fps->work_list); -unlock: - spin_unlock_bh(&fps->fp_work_lock); - - /* Pending work request completion */ - if (fps->iothread && work) - wake_up_process(fps->iothread); - else - bnx2fc_process_cq_compl(tgt, wqe); + bnx2fc_pending_work(tgt, wqe); num_free_sqes++; } cqe++; diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c index 86afc002814c..4ebcda8d9500 100644 --- a/drivers/scsi/bnx2i/bnx2i_init.c +++ b/drivers/scsi/bnx2i/bnx2i_init.c @@ -404,12 +404,11 @@ int bnx2i_get_stats(void *handle) /** - * bnx2i_percpu_thread_create - Create a receive thread for an - * online CPU + * bnx2i_cpu_online - Create a receive thread for an online CPU * * @cpu: cpu index for the online cpu */ -static void bnx2i_percpu_thread_create(unsigned int cpu) +static int bnx2i_cpu_online(unsigned int cpu) { struct bnx2i_percpu_s *p; struct task_struct *thread; @@ -419,16 +418,17 @@ static void bnx2i_percpu_thread_create(unsigned int cpu) thread = kthread_create_on_node(bnx2i_percpu_io_thread, (void *)p, cpu_to_node(cpu), "bnx2i_thread/%d", cpu); + if (IS_ERR(thread)) + return PTR_ERR(thread); + /* bind thread to the cpu */ - if (likely(!IS_ERR(thread))) { - kthread_bind(thread, cpu); - p->iothread = thread; - wake_up_process(thread); - } + kthread_bind(thread, cpu); + p->iothread = thread; + wake_up_process(thread); + return 0; } - -static void bnx2i_percpu_thread_destroy(unsigned int cpu) +static int bnx2i_cpu_offline(unsigned int cpu) { struct bnx2i_percpu_s *p; struct task_struct *thread; @@ -451,19 +451,6 @@ static void bnx2i_percpu_thread_destroy(unsigned int cpu) spin_unlock_bh(&p->p_work_lock); if (thread) kthread_stop(thread); -} - -static int bnx2i_cpu_online(unsigned int cpu) -{ - pr_info("bnx2i: CPU %x online: Create Rx thread\n", cpu); - bnx2i_percpu_thread_create(cpu); - return 0; -} - -static int bnx2i_cpu_dead(unsigned int cpu) -{ - pr_info("CPU %x offline: Remove Rx thread\n", cpu); - bnx2i_percpu_thread_destroy(cpu); return 0; } @@ -511,27 +498,14 @@ static int __init bnx2i_mod_init(void) p->iothread = NULL; } - get_online_cpus(); - - for_each_online_cpu(cpu) - bnx2i_percpu_thread_create(cpu); - - err = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN, - "scsi/bnx2i:online", - bnx2i_cpu_online, NULL); + err = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "scsi/bnx2i:online", + bnx2i_cpu_online, bnx2i_cpu_offline); if (err < 0) - goto remove_threads; + goto unreg_driver; bnx2i_online_state = err; - - cpuhp_setup_state_nocalls(CPUHP_SCSI_BNX2I_DEAD, "scsi/bnx2i:dead", - NULL, bnx2i_cpu_dead); - put_online_cpus(); return 0; -remove_threads: - for_each_online_cpu(cpu) - bnx2i_percpu_thread_destroy(cpu); - put_online_cpus(); +unreg_driver: cnic_unregister_driver(CNIC_ULP_ISCSI); unreg_xport: iscsi_unregister_transport(&bnx2i_iscsi_transport); @@ -551,7 +525,6 @@ out: static void __exit bnx2i_mod_exit(void) { struct bnx2i_hba *hba; - unsigned cpu = 0; mutex_lock(&bnx2i_dev_lock); while (!list_empty(&adapter_list)) { @@ -569,14 +542,7 @@ static void __exit bnx2i_mod_exit(void) } mutex_unlock(&bnx2i_dev_lock); - get_online_cpus(); - - for_each_online_cpu(cpu) - bnx2i_percpu_thread_destroy(cpu); - - cpuhp_remove_state_nocalls(bnx2i_online_state); - cpuhp_remove_state_nocalls(CPUHP_SCSI_BNX2I_DEAD); - put_online_cpus(); + cpuhp_remove_state(bnx2i_online_state); iscsi_unregister_transport(&bnx2i_iscsi_transport); cnic_unregister_driver(CNIC_ULP_ISCSI); diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index e4c83b7c96a8..1a4cfa562a60 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -2128,6 +2128,13 @@ void cxgbi_cleanup_task(struct iscsi_task *task) struct iscsi_tcp_task *tcp_task = task->dd_data; struct cxgbi_task_data *tdata = iscsi_task_cxgbi_data(task); + if (!tcp_task || !tdata || (tcp_task->dd_data != tdata)) { + pr_info("task 0x%p,0x%p, tcp_task 0x%p, tdata 0x%p/0x%p.\n", + task, task->sc, tcp_task, + tcp_task ? tcp_task->dd_data : NULL, tdata); + return; + } + log_debug(1 << CXGBI_DBG_ISCSI, "task 0x%p, skb 0x%p, itt 0x%x.\n", task, tdata->skb, task->hdr_itt); diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 8914eab84337..4f7cdb28bd38 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -938,7 +938,7 @@ static struct scsi_host_template hpsa_driver_template = { #endif .sdev_attrs = hpsa_sdev_attrs, .shost_attrs = hpsa_shost_attrs, - .max_sectors = 8192, + .max_sectors = 1024, .no_write_same = 1, }; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 4ed48ed38e79..7ee1a94c0b33 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -205,8 +205,10 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, atomic_read(&tgtp->xmt_ls_rsp_error)); len += snprintf(buf+len, PAGE_SIZE-len, - "FCP: Rcv %08x Release %08x Drop %08x\n", + "FCP: Rcv %08x Defer %08x Release %08x " + "Drop %08x\n", atomic_read(&tgtp->rcv_fcp_cmd_in), + atomic_read(&tgtp->rcv_fcp_cmd_defer), atomic_read(&tgtp->xmt_fcp_release), atomic_read(&tgtp->rcv_fcp_cmd_drop)); diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 5cc8b0f7d885..744f3f395b64 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -782,8 +782,11 @@ lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size) atomic_read(&tgtp->xmt_ls_rsp_error)); len += snprintf(buf + len, size - len, - "FCP: Rcv %08x Drop %08x\n", + "FCP: Rcv %08x Defer %08x Release %08x " + "Drop %08x\n", atomic_read(&tgtp->rcv_fcp_cmd_in), + atomic_read(&tgtp->rcv_fcp_cmd_defer), + atomic_read(&tgtp->xmt_fcp_release), atomic_read(&tgtp->rcv_fcp_cmd_drop)); if (atomic_read(&tgtp->rcv_fcp_cmd_in) != diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index fbeec344c6cc..bbbd0f84160d 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -841,12 +841,31 @@ lpfc_nvmet_xmt_fcp_release(struct nvmet_fc_target_port *tgtport, lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); } +static void +lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport, + struct nvmefc_tgt_fcp_req *rsp) +{ + struct lpfc_nvmet_tgtport *tgtp; + struct lpfc_nvmet_rcv_ctx *ctxp = + container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); + struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer; + struct lpfc_hba *phba = ctxp->phba; + + lpfc_nvmeio_data(phba, "NVMET DEFERRCV: xri x%x sz %d CPU %02x\n", + ctxp->oxid, ctxp->size, smp_processor_id()); + + tgtp = phba->targetport->private; + atomic_inc(&tgtp->rcv_fcp_cmd_defer); + lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ +} + static struct nvmet_fc_target_template lpfc_tgttemplate = { .targetport_delete = lpfc_nvmet_targetport_delete, .xmt_ls_rsp = lpfc_nvmet_xmt_ls_rsp, .fcp_op = lpfc_nvmet_xmt_fcp_op, .fcp_abort = lpfc_nvmet_xmt_fcp_abort, .fcp_req_release = lpfc_nvmet_xmt_fcp_release, + .defer_rcv = lpfc_nvmet_defer_rcv, .max_hw_queues = 1, .max_sgl_segments = LPFC_NVMET_DEFAULT_SEGS, @@ -1504,6 +1523,17 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, return; } + /* Processing of FCP command is deferred */ + if (rc == -EOVERFLOW) { + lpfc_nvmeio_data(phba, + "NVMET RCV BUSY: xri x%x sz %d from %06x\n", + oxid, size, sid); + /* defer reposting rcv buffer till .defer_rcv callback */ + ctxp->rqb_buffer = nvmebuf; + atomic_inc(&tgtp->rcv_fcp_cmd_out); + return; + } + atomic_inc(&tgtp->rcv_fcp_cmd_drop); lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, "6159 FCP Drop IO x%x: err x%x: x%x x%x x%x\n", diff --git a/drivers/scsi/lpfc/lpfc_nvmet.h b/drivers/scsi/lpfc/lpfc_nvmet.h index e675ef17be08..48a76788b003 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.h +++ b/drivers/scsi/lpfc/lpfc_nvmet.h @@ -49,6 +49,7 @@ struct lpfc_nvmet_tgtport { atomic_t rcv_fcp_cmd_in; atomic_t rcv_fcp_cmd_out; atomic_t rcv_fcp_cmd_drop; + atomic_t rcv_fcp_cmd_defer; atomic_t xmt_fcp_release; /* Stats counters - lpfc_nvmet_xmt_fcp_op */ diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index f990ab4d45e1..985510628f56 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -425,7 +425,7 @@ static int megasas_create_sg_sense_fusion(struct megasas_instance *instance) int megasas_alloc_cmdlist_fusion(struct megasas_instance *instance) { - u32 max_mpt_cmd, i; + u32 max_mpt_cmd, i, j; struct fusion_context *fusion; fusion = instance->ctrl_context; @@ -450,11 +450,15 @@ megasas_alloc_cmdlist_fusion(struct megasas_instance *instance) fusion->cmd_list[i] = kzalloc(sizeof(struct megasas_cmd_fusion), GFP_KERNEL); if (!fusion->cmd_list[i]) { + for (j = 0; j < i; j++) + kfree(fusion->cmd_list[j]); + kfree(fusion->cmd_list); dev_err(&instance->pdev->dev, "Failed from %s %d\n", __func__, __LINE__); return -ENOMEM; } } + return 0; } int diff --git a/drivers/scsi/qedf/qedf.h b/drivers/scsi/qedf/qedf.h index 4d038926a455..351f06dfc5a0 100644 --- a/drivers/scsi/qedf/qedf.h +++ b/drivers/scsi/qedf/qedf.h @@ -528,7 +528,8 @@ struct fip_vlan { #define QEDF_WRITE (1 << 0) #define MAX_FIBRE_LUNS 0xffffffff -#define QEDF_MAX_NUM_CQS 8 +#define MIN_NUM_CPUS_MSIX(x) min_t(u32, x->dev_info.num_cqs, \ + num_online_cpus()) /* * PCI function probe defines diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index 7786c97e033f..1d13c9ca517d 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -2760,11 +2760,9 @@ static int qedf_set_fcoe_pf_param(struct qedf_ctx *qedf) * we allocation is the minimum off: * * Number of CPUs - * Number of MSI-X vectors - * Max number allocated in hardware (QEDF_MAX_NUM_CQS) + * Number allocated by qed for our PCI function */ - qedf->num_queues = min((unsigned int)QEDF_MAX_NUM_CQS, - num_online_cpus()); + qedf->num_queues = MIN_NUM_CPUS_MSIX(qedf); QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, "Number of CQs is %d.\n", qedf->num_queues); @@ -2962,6 +2960,13 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) goto err1; } + /* Learn information crucial for qedf to progress */ + rc = qed_ops->fill_dev_info(qedf->cdev, &qedf->dev_info); + if (rc) { + QEDF_ERR(&(qedf->dbg_ctx), "Failed to dev info.\n"); + goto err1; + } + /* queue allocation code should come here * order should be * slowpath_start @@ -2977,13 +2982,6 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) } qed_ops->common->update_pf_params(qedf->cdev, &qedf->pf_params); - /* Learn information crucial for qedf to progress */ - rc = qed_ops->fill_dev_info(qedf->cdev, &qedf->dev_info); - if (rc) { - QEDF_ERR(&(qedf->dbg_ctx), "Failed to dev info.\n"); - goto err1; - } - /* Record BDQ producer doorbell addresses */ qedf->bdq_primary_prod = qedf->dev_info.primary_dbq_rq_addr; qedf->bdq_secondary_prod = qedf->dev_info.secondary_bdq_rq_addr; diff --git a/drivers/scsi/qedi/Kconfig b/drivers/scsi/qedi/Kconfig index 21331453db7b..2ff753ce6e27 100644 --- a/drivers/scsi/qedi/Kconfig +++ b/drivers/scsi/qedi/Kconfig @@ -5,6 +5,7 @@ config QEDI select SCSI_ISCSI_ATTRS select QED_LL2 select QED_ISCSI + select ISCSI_BOOT_SYSFS ---help--- This driver supports iSCSI offload for the QLogic FastLinQ 41000 Series Converged Network Adapters. diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index 80edd28b635f..37da9a8b43b1 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -824,7 +824,7 @@ qedi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, u32 iscsi_cid = QEDI_CID_RESERVED; u16 len = 0; char *buf = NULL; - int ret; + int ret, tmp; if (!shost) { ret = -ENXIO; @@ -940,10 +940,10 @@ qedi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, ep_rel_conn: qedi->ep_tbl[iscsi_cid] = NULL; - ret = qedi_ops->release_conn(qedi->cdev, qedi_ep->handle); - if (ret) + tmp = qedi_ops->release_conn(qedi->cdev, qedi_ep->handle); + if (tmp) QEDI_WARN(&qedi->dbg_ctx, "release_conn returned %d\n", - ret); + tmp); ep_free_sq: qedi_free_sq(qedi, qedi_ep); ep_conn_exit: diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index b20da0d27ad7..3f82ea1b72dc 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -500,7 +500,6 @@ static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd, static void tcm_qla2xxx_handle_data_work(struct work_struct *work) { struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work); - unsigned long flags; /* * Ensure that the complete FCP WRITE payload has been received. @@ -508,17 +507,6 @@ static void tcm_qla2xxx_handle_data_work(struct work_struct *work) */ cmd->cmd_in_wq = 0; - spin_lock_irqsave(&cmd->cmd_lock, flags); - cmd->data_work = 1; - if (cmd->aborted) { - cmd->data_work_free = 1; - spin_unlock_irqrestore(&cmd->cmd_lock, flags); - - tcm_qla2xxx_free_cmd(cmd); - return; - } - spin_unlock_irqrestore(&cmd->cmd_lock, flags); - cmd->qpair->tgt_counters.qla_core_ret_ctio++; if (!cmd->write_data_transferred) { /* @@ -765,31 +753,13 @@ static void tcm_qla2xxx_queue_tm_rsp(struct se_cmd *se_cmd) qlt_xmit_tm_rsp(mcmd); } -#define DATA_WORK_NOT_FREE(_cmd) (_cmd->data_work && !_cmd->data_work_free) static void tcm_qla2xxx_aborted_task(struct se_cmd *se_cmd) { struct qla_tgt_cmd *cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd); - unsigned long flags; if (qlt_abort_cmd(cmd)) return; - - spin_lock_irqsave(&cmd->cmd_lock, flags); - if ((cmd->state == QLA_TGT_STATE_NEW)|| - ((cmd->state == QLA_TGT_STATE_DATA_IN) && - DATA_WORK_NOT_FREE(cmd))) { - cmd->data_work_free = 1; - spin_unlock_irqrestore(&cmd->cmd_lock, flags); - /* - * cmd has not reached fw, Use this trigger to free it. - */ - tcm_qla2xxx_free_cmd(cmd); - return; - } - spin_unlock_irqrestore(&cmd->cmd_lock, flags); - return; - } static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport *, diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 7e24aa30c3b0..892fbd9800d9 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -1286,7 +1286,7 @@ store_fc_vport_delete(struct device *dev, struct device_attribute *attr, unsigned long flags; spin_lock_irqsave(shost->host_lock, flags); - if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) { + if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING | FC_VPORT_DELETING)) { spin_unlock_irqrestore(shost->host_lock, flags); return -EBUSY; } @@ -2430,8 +2430,10 @@ fc_remove_host(struct Scsi_Host *shost) spin_lock_irqsave(shost->host_lock, flags); /* Remove any vports */ - list_for_each_entry_safe(vport, next_vport, &fc_host->vports, peers) + list_for_each_entry_safe(vport, next_vport, &fc_host->vports, peers) { + vport->flags |= FC_VPORT_DELETING; fc_queue_work(shost, &vport->vport_delete_work); + } /* Remove any remote ports */ list_for_each_entry_safe(rport, next_rport, diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 1e82d4128a84..d7ff71e0c85c 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -751,32 +751,6 @@ sg_new_write(Sg_fd *sfp, struct file *file, const char __user *buf, return count; } -static bool sg_is_valid_dxfer(sg_io_hdr_t *hp) -{ - switch (hp->dxfer_direction) { - case SG_DXFER_NONE: - if (hp->dxferp || hp->dxfer_len > 0) - return false; - return true; - case SG_DXFER_FROM_DEV: - if (hp->dxfer_len < 0) - return false; - return true; - case SG_DXFER_TO_DEV: - case SG_DXFER_TO_FROM_DEV: - if (!hp->dxferp || hp->dxfer_len == 0) - return false; - return true; - case SG_DXFER_UNKNOWN: - if ((!hp->dxferp && hp->dxfer_len) || - (hp->dxferp && hp->dxfer_len == 0)) - return false; - return true; - default: - return false; - } -} - static int sg_common_write(Sg_fd * sfp, Sg_request * srp, unsigned char *cmnd, int timeout, int blocking) @@ -797,7 +771,7 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp, "sg_common_write: scsi opcode=0x%02x, cmd_size=%d\n", (int) cmnd[0], (int) hp->cmd_len)); - if (!sg_is_valid_dxfer(hp)) + if (hp->dxfer_len >= SZ_256M) return -EINVAL; k = sg_start_req(srp, cmnd); diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index 07ec8a8877de..e164ffade38a 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -690,7 +690,7 @@ struct pqi_config_table_heartbeat { #define PQI_MAX_OUTSTANDING_REQUESTS ((u32)~0) #define PQI_MAX_OUTSTANDING_REQUESTS_KDUMP 32 -#define PQI_MAX_TRANSFER_SIZE (4 * 1024U * 1024U) +#define PQI_MAX_TRANSFER_SIZE (1024U * 1024U) #define PQI_MAX_TRANSFER_SIZE_KDUMP (512 * 1024U) #define RAID_MAP_MAX_ENTRIES 1024 diff --git a/drivers/soc/zte/Kconfig b/drivers/soc/zte/Kconfig index 20bde38ce2f9..e9d750c510cd 100644 --- a/drivers/soc/zte/Kconfig +++ b/drivers/soc/zte/Kconfig @@ -2,6 +2,7 @@ # ZTE SoC drivers # menuconfig SOC_ZTE + depends on ARCH_ZX || COMPILE_TEST bool "ZTE SoC driver support" if SOC_ZTE diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index ca11be21f64b..34ca7823255d 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2396,6 +2396,7 @@ static ssize_t comedi_write(struct file *file, const char __user *buf, continue; } + set_current_state(TASK_RUNNING); wp = async->buf_write_ptr; n1 = min(n, async->prealloc_bufsz - wp); n2 = n - n1; @@ -2528,6 +2529,8 @@ static ssize_t comedi_read(struct file *file, char __user *buf, size_t nbytes, } continue; } + + set_current_state(TASK_RUNNING); rp = async->buf_read_ptr; n1 = min(n, async->prealloc_bufsz - rp); n2 = n - n1; diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index a6a8393d6664..3e00df74b18c 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -472,7 +472,7 @@ static int ad2s1210_read_raw(struct iio_dev *indio_dev, long m) { struct ad2s1210_state *st = iio_priv(indio_dev); - bool negative; + u16 negative; int ret = 0; u16 pos; s16 vel; diff --git a/drivers/staging/media/atomisp/i2c/ap1302.h b/drivers/staging/media/atomisp/i2c/ap1302.h index 9341232c580d..4d0b181a9671 100644 --- a/drivers/staging/media/atomisp/i2c/ap1302.h +++ b/drivers/staging/media/atomisp/i2c/ap1302.h @@ -158,8 +158,8 @@ struct ap1302_res_struct { }; struct ap1302_context_res { - s32 res_num; - s32 cur_res; + u32 res_num; + u32 cur_res; struct ap1302_res_struct *res_table; }; diff --git a/drivers/staging/media/atomisp/i2c/gc0310.h b/drivers/staging/media/atomisp/i2c/gc0310.h index f31eb277f542..7d8a0aeecb6c 100644 --- a/drivers/staging/media/atomisp/i2c/gc0310.h +++ b/drivers/staging/media/atomisp/i2c/gc0310.h @@ -454,6 +454,6 @@ struct gc0310_resolution gc0310_res_video[] = { #define N_RES_VIDEO (ARRAY_SIZE(gc0310_res_video)) static struct gc0310_resolution *gc0310_res = gc0310_res_preview; -static int N_RES = N_RES_PREVIEW; +static unsigned long N_RES = N_RES_PREVIEW; #endif diff --git a/drivers/staging/media/atomisp/i2c/gc2235.h b/drivers/staging/media/atomisp/i2c/gc2235.h index ccbc757045a5..7c3d994180cc 100644 --- a/drivers/staging/media/atomisp/i2c/gc2235.h +++ b/drivers/staging/media/atomisp/i2c/gc2235.h @@ -668,5 +668,5 @@ struct gc2235_resolution gc2235_res_video[] = { #define N_RES_VIDEO (ARRAY_SIZE(gc2235_res_video)) static struct gc2235_resolution *gc2235_res = gc2235_res_preview; -static int N_RES = N_RES_PREVIEW; +static unsigned long N_RES = N_RES_PREVIEW; #endif diff --git a/drivers/staging/media/atomisp/i2c/imx/imx.h b/drivers/staging/media/atomisp/i2c/imx/imx.h index 36b3f3a5a41f..41b4133ca995 100644 --- a/drivers/staging/media/atomisp/i2c/imx/imx.h +++ b/drivers/staging/media/atomisp/i2c/imx/imx.h @@ -480,7 +480,7 @@ struct imx_device { struct imx_vcm *vcm_driver; struct imx_otp *otp_driver; const struct imx_resolution *curr_res_table; - int entries_curr_table; + unsigned long entries_curr_table; const struct firmware *fw; struct imx_reg_addr *reg_addr; const struct imx_reg *param_hold; diff --git a/drivers/staging/media/atomisp/i2c/ov2680.h b/drivers/staging/media/atomisp/i2c/ov2680.h index 944fe8e3bcbf..ab8907e6c9ef 100644 --- a/drivers/staging/media/atomisp/i2c/ov2680.h +++ b/drivers/staging/media/atomisp/i2c/ov2680.h @@ -934,7 +934,6 @@ static struct ov2680_resolution ov2680_res_video[] = { #define N_RES_VIDEO (ARRAY_SIZE(ov2680_res_video)) static struct ov2680_resolution *ov2680_res = ov2680_res_preview; -static int N_RES = N_RES_PREVIEW; - +static unsigned long N_RES = N_RES_PREVIEW; #endif diff --git a/drivers/staging/media/atomisp/i2c/ov2722.h b/drivers/staging/media/atomisp/i2c/ov2722.h index b0d40965d89e..73ecb1679718 100644 --- a/drivers/staging/media/atomisp/i2c/ov2722.h +++ b/drivers/staging/media/atomisp/i2c/ov2722.h @@ -1263,5 +1263,5 @@ struct ov2722_resolution ov2722_res_video[] = { #define N_RES_VIDEO (ARRAY_SIZE(ov2722_res_video)) static struct ov2722_resolution *ov2722_res = ov2722_res_preview; -static int N_RES = N_RES_PREVIEW; +static unsigned long N_RES = N_RES_PREVIEW; #endif diff --git a/drivers/staging/media/atomisp/i2c/ov5693/ov5693.h b/drivers/staging/media/atomisp/i2c/ov5693/ov5693.h index d88ac1777d86..8c2e6794463b 100644 --- a/drivers/staging/media/atomisp/i2c/ov5693/ov5693.h +++ b/drivers/staging/media/atomisp/i2c/ov5693/ov5693.h @@ -1377,5 +1377,5 @@ struct ov5693_resolution ov5693_res_video[] = { #define N_RES_VIDEO (ARRAY_SIZE(ov5693_res_video)) static struct ov5693_resolution *ov5693_res = ov5693_res_preview; -static int N_RES = N_RES_PREVIEW; +static unsigned long N_RES = N_RES_PREVIEW; #endif diff --git a/drivers/staging/media/atomisp/i2c/ov8858.h b/drivers/staging/media/atomisp/i2c/ov8858.h index 9be6a0e63861..d3fde200c013 100644 --- a/drivers/staging/media/atomisp/i2c/ov8858.h +++ b/drivers/staging/media/atomisp/i2c/ov8858.h @@ -266,7 +266,7 @@ struct ov8858_device { const struct ov8858_reg *regs; struct ov8858_vcm *vcm_driver; const struct ov8858_resolution *curr_res_table; - int entries_curr_table; + unsigned long entries_curr_table; struct v4l2_ctrl_handler ctrl_handler; struct v4l2_ctrl *run_mode; diff --git a/drivers/staging/media/atomisp/i2c/ov8858_btns.h b/drivers/staging/media/atomisp/i2c/ov8858_btns.h index 09e3cdc1a394..f9a3cf8fbf1a 100644 --- a/drivers/staging/media/atomisp/i2c/ov8858_btns.h +++ b/drivers/staging/media/atomisp/i2c/ov8858_btns.h @@ -266,7 +266,7 @@ struct ov8858_device { const struct ov8858_reg *regs; struct ov8858_vcm *vcm_driver; const struct ov8858_resolution *curr_res_table; - int entries_curr_table; + unsigned long entries_curr_table; struct v4l2_ctrl_handler ctrl_handler; struct v4l2_ctrl *run_mode; diff --git a/drivers/staging/media/atomisp/pci/atomisp2/Makefile b/drivers/staging/media/atomisp/pci/atomisp2/Makefile index 726eaa293c55..2bd98f0667ec 100644 --- a/drivers/staging/media/atomisp/pci/atomisp2/Makefile +++ b/drivers/staging/media/atomisp/pci/atomisp2/Makefile @@ -354,7 +354,9 @@ ccflags-y += $(INCLUDES) $(DEFINES) -fno-common # HACK! While this driver is in bad shape, don't enable several warnings # that would be otherwise enabled with W=1 -ccflags-y += -Wno-unused-const-variable -Wno-missing-prototypes \ - -Wno-unused-but-set-variable -Wno-missing-declarations \ - -Wno-suggest-attribute=format -Wno-missing-prototypes \ - -Wno-implicit-fallthrough +ccflags-y += $(call cc-disable-warning, implicit-fallthrough) +ccflags-y += $(call cc-disable-warning, missing-prototypes) +ccflags-y += $(call cc-disable-warning, missing-declarations) +ccflags-y += $(call cc-disable-warning, suggest-attribute=format) +ccflags-y += $(call cc-disable-warning, unused-const-variable) +ccflags-y += $(call cc-disable-warning, unused-but-set-variable) diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h index d3667132851b..c8e0c4fe3717 100644 --- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h +++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_internal.h @@ -275,7 +275,7 @@ struct atomisp_device { */ struct mutex streamoff_mutex; - int input_cnt; + unsigned int input_cnt; struct atomisp_input_subdev inputs[ATOM_ISP_MAX_INPUTS]; struct v4l2_subdev *flash; struct v4l2_subdev *motor; diff --git a/drivers/staging/media/cxd2099/cxd2099.c b/drivers/staging/media/cxd2099/cxd2099.c index 370ecb959543..f28916ea69f1 100644 --- a/drivers/staging/media/cxd2099/cxd2099.c +++ b/drivers/staging/media/cxd2099/cxd2099.c @@ -1,7 +1,7 @@ /* * cxd2099.c: Driver for the CXD2099AR Common Interface Controller * - * Copyright (C) 2010-2011 Digital Devices GmbH + * Copyright (C) 2010-2013 Digital Devices GmbH * * * This program is free software; you can redistribute it and/or @@ -33,7 +33,10 @@ #include "cxd2099.h" -#define MAX_BUFFER_SIZE 248 +/* comment this line to deactivate the cxd2099ar buffer mode */ +#define BUFFER_MODE 1 + +static int read_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount); struct cxd { struct dvb_ca_en50221 en; @@ -48,6 +51,7 @@ struct cxd { int mode; int ready; int dr; + int write_busy; int slot_stat; u8 amem[1024]; @@ -55,6 +59,9 @@ struct cxd { int cammode; struct mutex lock; + + u8 rbuf[1028]; + u8 wbuf[1028]; }; static int i2c_write_reg(struct i2c_adapter *adapter, u8 adr, @@ -73,7 +80,7 @@ static int i2c_write_reg(struct i2c_adapter *adapter, u8 adr, } static int i2c_write(struct i2c_adapter *adapter, u8 adr, - u8 *data, u8 len) + u8 *data, u16 len) { struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = data, .len = len}; @@ -100,12 +107,12 @@ static int i2c_read_reg(struct i2c_adapter *adapter, u8 adr, } static int i2c_read(struct i2c_adapter *adapter, u8 adr, - u8 reg, u8 *data, u8 n) + u8 reg, u8 *data, u16 n) { struct i2c_msg msgs[2] = {{.addr = adr, .flags = 0, - .buf = ®, .len = 1}, - {.addr = adr, .flags = I2C_M_RD, - .buf = data, .len = n} }; + .buf = ®, .len = 1}, + {.addr = adr, .flags = I2C_M_RD, + .buf = data, .len = n} }; if (i2c_transfer(adapter, msgs, 2) != 2) { dev_err(&adapter->dev, "error in i2c_read\n"); @@ -114,14 +121,26 @@ static int i2c_read(struct i2c_adapter *adapter, u8 adr, return 0; } -static int read_block(struct cxd *ci, u8 adr, u8 *data, u8 n) +static int read_block(struct cxd *ci, u8 adr, u8 *data, u16 n) { - int status; + int status = 0; - status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, adr); + if (ci->lastaddress != adr) + status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, adr); if (!status) { ci->lastaddress = adr; - status = i2c_read(ci->i2c, ci->cfg.adr, 1, data, n); + + while (n) { + int len = n; + + if (ci->cfg.max_i2c && (len > ci->cfg.max_i2c)) + len = ci->cfg.max_i2c; + status = i2c_read(ci->i2c, ci->cfg.adr, 1, data, len); + if (status) + return status; + data += len; + n -= len; + } } return status; } @@ -182,16 +201,16 @@ static int write_io(struct cxd *ci, u16 address, u8 val) static int write_regm(struct cxd *ci, u8 reg, u8 val, u8 mask) { - int status; + int status = 0; - status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, reg); + if (ci->lastaddress != reg) + status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, reg); if (!status && reg >= 6 && reg <= 8 && mask != 0xff) status = i2c_read_reg(ci->i2c, ci->cfg.adr, 1, &ci->regs[reg]); + ci->lastaddress = reg; ci->regs[reg] = (ci->regs[reg] & (~mask)) | val; - if (!status) { - ci->lastaddress = reg; + if (!status) status = i2c_write_reg(ci->i2c, ci->cfg.adr, 1, ci->regs[reg]); - } if (reg == 0x20) ci->regs[reg] &= 0x7f; return status; @@ -203,16 +222,29 @@ static int write_reg(struct cxd *ci, u8 reg, u8 val) } #ifdef BUFFER_MODE -static int write_block(struct cxd *ci, u8 adr, u8 *data, int n) +static int write_block(struct cxd *ci, u8 adr, u8 *data, u16 n) { - int status; - u8 buf[256] = {1}; - - status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, adr); - if (!status) { - ci->lastaddress = adr; - memcpy(buf + 1, data, n); - status = i2c_write(ci->i2c, ci->cfg.adr, buf, n + 1); + int status = 0; + u8 *buf = ci->wbuf; + + if (ci->lastaddress != adr) + status = i2c_write_reg(ci->i2c, ci->cfg.adr, 0, adr); + if (status) + return status; + + ci->lastaddress = adr; + buf[0] = 1; + while (n) { + int len = n; + + if (ci->cfg.max_i2c && (len + 1 > ci->cfg.max_i2c)) + len = ci->cfg.max_i2c - 1; + memcpy(buf + 1, data, len); + status = i2c_write(ci->i2c, ci->cfg.adr, buf, len + 1); + if (status) + return status; + n -= len; + data += len; } return status; } @@ -238,6 +270,8 @@ static void set_mode(struct cxd *ci, int mode) static void cam_mode(struct cxd *ci, int mode) { + u8 dummy; + if (mode == ci->cammode) return; @@ -246,16 +280,15 @@ static void cam_mode(struct cxd *ci, int mode) write_regm(ci, 0x20, 0x80, 0x80); break; case 0x01: -#ifdef BUFFER_MODE if (!ci->en.read_data) return; + ci->write_busy = 0; dev_info(&ci->i2c->dev, "enable cam buffer mode\n"); - /* write_reg(ci, 0x0d, 0x00); */ - /* write_reg(ci, 0x0e, 0x01); */ + write_reg(ci, 0x0d, 0x00); + write_reg(ci, 0x0e, 0x01); write_regm(ci, 0x08, 0x40, 0x40); - /* read_reg(ci, 0x12, &dummy); */ + read_reg(ci, 0x12, &dummy); write_regm(ci, 0x08, 0x80, 0x80); -#endif break; default: break; @@ -325,7 +358,10 @@ static int init(struct cxd *ci) if (status < 0) break; - if (ci->cfg.clock_mode) { + if (ci->cfg.clock_mode == 2) { + /* bitrate*2^13/ 72000 */ + u32 reg = ((ci->cfg.bitrate << 13) + 71999) / 72000; + if (ci->cfg.polarity) { status = write_reg(ci, 0x09, 0x6f); if (status < 0) @@ -335,6 +371,25 @@ static int init(struct cxd *ci) if (status < 0) break; } + status = write_reg(ci, 0x20, 0x08); + if (status < 0) + break; + status = write_reg(ci, 0x21, (reg >> 8) & 0xff); + if (status < 0) + break; + status = write_reg(ci, 0x22, reg & 0xff); + if (status < 0) + break; + } else if (ci->cfg.clock_mode == 1) { + if (ci->cfg.polarity) { + status = write_reg(ci, 0x09, 0x6f); /* D */ + if (status < 0) + break; + } else { + status = write_reg(ci, 0x09, 0x6d); + if (status < 0) + break; + } status = write_reg(ci, 0x20, 0x68); if (status < 0) break; @@ -346,7 +401,7 @@ static int init(struct cxd *ci) break; } else { if (ci->cfg.polarity) { - status = write_reg(ci, 0x09, 0x4f); + status = write_reg(ci, 0x09, 0x4f); /* C */ if (status < 0) break; } else { @@ -354,7 +409,6 @@ static int init(struct cxd *ci) if (status < 0) break; } - status = write_reg(ci, 0x20, 0x28); if (status < 0) break; @@ -401,7 +455,6 @@ static int read_attribute_mem(struct dvb_ca_en50221 *ca, set_mode(ci, 1); read_pccard(ci, address, &val, 1); mutex_unlock(&ci->lock); - /* printk(KERN_INFO "%02x:%02x\n", address,val); */ return val; } @@ -446,6 +499,9 @@ static int slot_reset(struct dvb_ca_en50221 *ca, int slot) { struct cxd *ci = ca->data; + if (ci->cammode) + read_data(ca, slot, ci->rbuf, 0); + mutex_lock(&ci->lock); cam_mode(ci, 0); write_reg(ci, 0x00, 0x21); @@ -465,7 +521,6 @@ static int slot_reset(struct dvb_ca_en50221 *ca, int slot) } } mutex_unlock(&ci->lock); - /* msleep(500); */ return 0; } @@ -474,11 +529,19 @@ static int slot_shutdown(struct dvb_ca_en50221 *ca, int slot) struct cxd *ci = ca->data; dev_info(&ci->i2c->dev, "%s\n", __func__); + if (ci->cammode) + read_data(ca, slot, ci->rbuf, 0); mutex_lock(&ci->lock); + write_reg(ci, 0x00, 0x21); + write_reg(ci, 0x06, 0x1F); + msleep(300); + write_regm(ci, 0x09, 0x08, 0x08); write_regm(ci, 0x20, 0x80, 0x80); /* Reset CAM Mode */ write_regm(ci, 0x06, 0x07, 0x07); /* Clear IO Mode */ + ci->mode = -1; + ci->write_busy = 0; mutex_unlock(&ci->lock); return 0; } @@ -490,9 +553,7 @@ static int slot_ts_enable(struct dvb_ca_en50221 *ca, int slot) mutex_lock(&ci->lock); write_regm(ci, 0x09, 0x00, 0x08); set_mode(ci, 0); -#ifdef BUFFER_MODE cam_mode(ci, 1); -#endif mutex_unlock(&ci->lock); return 0; } @@ -506,12 +567,10 @@ static int campoll(struct cxd *ci) return 0; write_reg(ci, 0x05, istat); - if (istat & 0x40) { + if (istat & 0x40) ci->dr = 1; - dev_info(&ci->i2c->dev, "DR\n"); - } if (istat & 0x20) - dev_info(&ci->i2c->dev, "WC\n"); + ci->write_busy = 0; if (istat & 2) { u8 slotstat; @@ -519,7 +578,8 @@ static int campoll(struct cxd *ci) read_reg(ci, 0x01, &slotstat); if (!(2 & slotstat)) { if (!ci->slot_stat) { - ci->slot_stat = DVB_CA_EN50221_POLL_CAM_PRESENT; + ci->slot_stat |= + DVB_CA_EN50221_POLL_CAM_PRESENT; write_regm(ci, 0x03, 0x08, 0x08); } @@ -531,8 +591,8 @@ static int campoll(struct cxd *ci) ci->ready = 0; } } - if (istat & 8 && - ci->slot_stat == DVB_CA_EN50221_POLL_CAM_PRESENT) { + if ((istat & 8) && + (ci->slot_stat == DVB_CA_EN50221_POLL_CAM_PRESENT)) { ci->ready = 1; ci->slot_stat |= DVB_CA_EN50221_POLL_CAM_READY; } @@ -553,7 +613,6 @@ static int poll_slot_status(struct dvb_ca_en50221 *ca, int slot, int open) return ci->slot_stat; } -#ifdef BUFFER_MODE static int read_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount) { struct cxd *ci = ca->data; @@ -564,30 +623,38 @@ static int read_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount) campoll(ci); mutex_unlock(&ci->lock); - dev_info(&ci->i2c->dev, "%s\n", __func__); if (!ci->dr) return 0; mutex_lock(&ci->lock); read_reg(ci, 0x0f, &msb); read_reg(ci, 0x10, &lsb); - len = (msb << 8) | lsb; + len = ((u16)msb << 8) | lsb; + if (len > ecount || len < 2) { + /* read it anyway or cxd may hang */ + read_block(ci, 0x12, ci->rbuf, len); + mutex_unlock(&ci->lock); + return -EIO; + } read_block(ci, 0x12, ebuf, len); ci->dr = 0; mutex_unlock(&ci->lock); - return len; } +#ifdef BUFFER_MODE + static int write_data(struct dvb_ca_en50221 *ca, int slot, u8 *ebuf, int ecount) { struct cxd *ci = ca->data; + if (ci->write_busy) + return -EAGAIN; mutex_lock(&ci->lock); - dev_info(&ci->i2c->dev, "%s %d\n", __func__, ecount); write_reg(ci, 0x0d, ecount >> 8); write_reg(ci, 0x0e, ecount & 0xff); write_block(ci, 0x11, ebuf, ecount); + ci->write_busy = 1; mutex_unlock(&ci->lock); return ecount; } diff --git a/drivers/staging/media/cxd2099/cxd2099.h b/drivers/staging/media/cxd2099/cxd2099.h index 0eb607c5b423..f4b29b1d6eb8 100644 --- a/drivers/staging/media/cxd2099/cxd2099.h +++ b/drivers/staging/media/cxd2099/cxd2099.h @@ -30,8 +30,10 @@ struct cxd2099_cfg { u32 bitrate; u8 adr; - u8 polarity:1; - u8 clock_mode:1; + u8 polarity; + u8 clock_mode; + + u32 max_i2c; }; #if defined(CONFIG_DVB_CXD2099) || \ diff --git a/drivers/target/iscsi/cxgbit/cxgbit_cm.c b/drivers/target/iscsi/cxgbit/cxgbit_cm.c index e583dd8a418b..d4fa41be80f9 100644 --- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c +++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c @@ -1510,11 +1510,13 @@ cxgbit_pass_open_rpl(struct cxgbit_device *cdev, struct sk_buff *skb) if (!cnp) { pr_info("%s stid %d lookup failure\n", __func__, stid); - return; + goto rel_skb; } cxgbit_wake_up(&cnp->com.wr_wait, __func__, rpl->status); cxgbit_put_cnp(cnp); +rel_skb: + __kfree_skb(skb); } static void @@ -1530,11 +1532,13 @@ cxgbit_close_listsrv_rpl(struct cxgbit_device *cdev, struct sk_buff *skb) if (!cnp) { pr_info("%s stid %d lookup failure\n", __func__, stid); - return; + goto rel_skb; } cxgbit_wake_up(&cnp->com.wr_wait, __func__, rpl->status); cxgbit_put_cnp(cnp); +rel_skb: + __kfree_skb(skb); } static void @@ -1819,12 +1823,16 @@ static void cxgbit_set_tcb_rpl(struct cxgbit_device *cdev, struct sk_buff *skb) struct tid_info *t = lldi->tids; csk = lookup_tid(t, tid); - if (unlikely(!csk)) + if (unlikely(!csk)) { pr_err("can't find connection for tid %u.\n", tid); - else + goto rel_skb; + } else { cxgbit_wake_up(&csk->com.wr_wait, __func__, rpl->status); + } cxgbit_put_csk(csk); +rel_skb: + __kfree_skb(skb); } static void cxgbit_rx_data(struct cxgbit_device *cdev, struct sk_buff *skb) diff --git a/drivers/target/iscsi/cxgbit/cxgbit_target.c b/drivers/target/iscsi/cxgbit/cxgbit_target.c index dda13f1af38e..514986b57c2d 100644 --- a/drivers/target/iscsi/cxgbit/cxgbit_target.c +++ b/drivers/target/iscsi/cxgbit/cxgbit_target.c @@ -827,7 +827,7 @@ cxgbit_put_login_tx(struct iscsi_conn *conn, struct iscsi_login *login, static void cxgbit_skb_copy_to_sg(struct sk_buff *skb, struct scatterlist *sg, - unsigned int nents) + unsigned int nents, u32 skip) { struct skb_seq_state st; const u8 *buf; @@ -846,7 +846,7 @@ cxgbit_skb_copy_to_sg(struct sk_buff *skb, struct scatterlist *sg, } consumed += sg_pcopy_from_buffer(sg, nents, (void *)buf, - buf_len, consumed); + buf_len, skip + consumed); } } @@ -912,7 +912,7 @@ cxgbit_handle_immediate_data(struct iscsi_cmd *cmd, struct iscsi_scsi_req *hdr, struct scatterlist *sg = &cmd->se_cmd.t_data_sg[0]; u32 sg_nents = max(1UL, DIV_ROUND_UP(pdu_cb->dlen, PAGE_SIZE)); - cxgbit_skb_copy_to_sg(csk->skb, sg, sg_nents); + cxgbit_skb_copy_to_sg(csk->skb, sg, sg_nents, 0); } cmd->write_data_done += pdu_cb->dlen; @@ -1069,11 +1069,13 @@ static int cxgbit_handle_iscsi_dataout(struct cxgbit_sock *csk) cmd->se_cmd.data_length); if (!(pdu_cb->flags & PDUCBF_RX_DATA_DDPD)) { + u32 skip = data_offset % PAGE_SIZE; + sg_off = data_offset / PAGE_SIZE; sg_start = &cmd->se_cmd.t_data_sg[sg_off]; - sg_nents = max(1UL, DIV_ROUND_UP(data_len, PAGE_SIZE)); + sg_nents = max(1UL, DIV_ROUND_UP(skip + data_len, PAGE_SIZE)); - cxgbit_skb_copy_to_sg(csk->skb, sg_start, sg_nents); + cxgbit_skb_copy_to_sg(csk->skb, sg_start, sg_nents, skip); } check_payload: diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 74e4975dd1b1..5001261f5d69 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -418,6 +418,7 @@ int iscsit_reset_np_thread( return 0; } np->np_thread_state = ISCSI_NP_THREAD_RESET; + atomic_inc(&np->np_reset_count); if (np->np_thread) { spin_unlock_bh(&np->np_thread_lock); @@ -2167,6 +2168,7 @@ iscsit_setup_text_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, cmd->cmd_sn = be32_to_cpu(hdr->cmdsn); cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn); cmd->data_direction = DMA_NONE; + kfree(cmd->text_in_ptr); cmd->text_in_ptr = NULL; return 0; @@ -3487,9 +3489,9 @@ iscsit_build_text_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn, return text_length; if (completed) { - hdr->flags |= ISCSI_FLAG_CMD_FINAL; + hdr->flags = ISCSI_FLAG_CMD_FINAL; } else { - hdr->flags |= ISCSI_FLAG_TEXT_CONTINUE; + hdr->flags = ISCSI_FLAG_TEXT_CONTINUE; cmd->read_data_done += text_length; if (cmd->targ_xfer_tag == 0xFFFFFFFF) cmd->targ_xfer_tag = session_get_next_ttt(conn->sess); diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index e9bdc8b86e7d..dc13afbd4c88 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -1243,9 +1243,11 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) flush_signals(current); spin_lock_bh(&np->np_thread_lock); - if (np->np_thread_state == ISCSI_NP_THREAD_RESET) { + if (atomic_dec_if_positive(&np->np_reset_count) >= 0) { np->np_thread_state = ISCSI_NP_THREAD_ACTIVE; + spin_unlock_bh(&np->np_thread_lock); complete(&np->np_restart_comp); + return 1; } else if (np->np_thread_state == ISCSI_NP_THREAD_SHUTDOWN) { spin_unlock_bh(&np->np_thread_lock); goto exit; @@ -1278,7 +1280,8 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) goto exit; } else if (rc < 0) { spin_lock_bh(&np->np_thread_lock); - if (np->np_thread_state == ISCSI_NP_THREAD_RESET) { + if (atomic_dec_if_positive(&np->np_reset_count) >= 0) { + np->np_thread_state = ISCSI_NP_THREAD_ACTIVE; spin_unlock_bh(&np->np_thread_lock); complete(&np->np_restart_comp); iscsit_put_transport(conn->conn_transport); diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index 36913734c6bc..02e8a5d86658 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -364,7 +364,7 @@ void core_tpg_del_initiator_node_acl(struct se_node_acl *acl) mutex_lock(&tpg->acl_node_mutex); if (acl->dynamic_node_acl) acl->dynamic_node_acl = 0; - list_del(&acl->acl_list); + list_del_init(&acl->acl_list); mutex_unlock(&tpg->acl_node_mutex); target_shutdown_sessions(acl); @@ -548,7 +548,7 @@ int core_tpg_deregister(struct se_portal_group *se_tpg) * in transport_deregister_session(). */ list_for_each_entry_safe(nacl, nacl_tmp, &node_list, acl_list) { - list_del(&nacl->acl_list); + list_del_init(&nacl->acl_list); core_tpg_wait_for_nacl_pr_ref(nacl); core_free_device_list_for_node(nacl, se_tpg); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 97fed9a298bd..836d552b0385 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -466,7 +466,7 @@ static void target_complete_nacl(struct kref *kref) } mutex_lock(&se_tpg->acl_node_mutex); - list_del(&nacl->acl_list); + list_del_init(&nacl->acl_list); mutex_unlock(&se_tpg->acl_node_mutex); core_tpg_wait_for_nacl_pr_ref(nacl); @@ -538,7 +538,7 @@ void transport_free_session(struct se_session *se_sess) spin_unlock_irqrestore(&se_nacl->nacl_sess_lock, flags); if (se_nacl->dynamic_stop) - list_del(&se_nacl->acl_list); + list_del_init(&se_nacl->acl_list); } mutex_unlock(&se_tpg->acl_node_mutex); diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 80ee130f8253..942d094269fb 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -563,8 +563,6 @@ static int scatter_data_area(struct tcmu_dev *udev, block_remaining); to_offset = get_block_offset_user(udev, dbi, block_remaining); - offset = DATA_BLOCK_SIZE - block_remaining; - to += offset; if (*iov_cnt != 0 && to_offset == iov_tail(*iov)) { @@ -575,8 +573,10 @@ static int scatter_data_area(struct tcmu_dev *udev, (*iov)->iov_len = copy_bytes; } if (copy_data) { - memcpy(to, from + sg->length - sg_remaining, - copy_bytes); + offset = DATA_BLOCK_SIZE - block_remaining; + memcpy(to + offset, + from + sg->length - sg_remaining, + copy_bytes); tcmu_flush_dcache_range(to, copy_bytes); } sg_remaining -= copy_bytes; @@ -637,9 +637,8 @@ static void gather_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd, copy_bytes = min_t(size_t, sg_remaining, block_remaining); offset = DATA_BLOCK_SIZE - block_remaining; - from += offset; tcmu_flush_dcache_range(from, copy_bytes); - memcpy(to + sg->length - sg_remaining, from, + memcpy(to + sg->length - sg_remaining, from + offset, copy_bytes); sg_remaining -= copy_bytes; @@ -1433,6 +1432,8 @@ static int tcmu_update_uio_info(struct tcmu_dev *udev) if (udev->dev_config[0]) snprintf(str + used, size - used, "/%s", udev->dev_config); + /* If the old string exists, free it */ + kfree(info->name); info->name = str; return 0; diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c index 308b6e17c88a..fe2f00ceafc5 100644 --- a/drivers/thunderbolt/eeprom.c +++ b/drivers/thunderbolt/eeprom.c @@ -333,6 +333,15 @@ static int tb_drom_parse_entry_port(struct tb_switch *sw, int res; enum tb_port_type type; + /* + * Some DROMs list more ports than the controller actually has + * so we skip those but allow the parser to continue. + */ + if (header->index > sw->config.max_port_number) { + dev_info_once(&sw->dev, "ignoring unnecessary extra entries in DROM\n"); + return 0; + } + port = &sw->ports[header->index]; port->disabled = header->port_disabled; if (port->disabled) diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c index 8ee340290219..bdaac1ff00a5 100644 --- a/drivers/thunderbolt/icm.c +++ b/drivers/thunderbolt/icm.c @@ -904,7 +904,14 @@ static int icm_driver_ready(struct tb *tb) static int icm_suspend(struct tb *tb) { - return nhi_mailbox_cmd(tb->nhi, NHI_MAILBOX_SAVE_DEVS, 0); + int ret; + + ret = nhi_mailbox_cmd(tb->nhi, NHI_MAILBOX_SAVE_DEVS, 0); + if (ret) + tb_info(tb, "Ignoring mailbox command error (%d) in %s\n", + ret, __func__); + + return 0; } /* diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index 40219a706309..e9391bbd4036 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -30,7 +30,7 @@ static DEFINE_IDA(nvm_ida); struct nvm_auth_status { struct list_head list; - uuid_be uuid; + uuid_t uuid; u32 status; }; @@ -47,7 +47,7 @@ static struct nvm_auth_status *__nvm_get_auth_status(const struct tb_switch *sw) struct nvm_auth_status *st; list_for_each_entry(st, &nvm_auth_status_cache, list) { - if (!uuid_be_cmp(st->uuid, *sw->uuid)) + if (uuid_equal(&st->uuid, sw->uuid)) return st; } @@ -1461,7 +1461,7 @@ struct tb_sw_lookup { struct tb *tb; u8 link; u8 depth; - const uuid_be *uuid; + const uuid_t *uuid; }; static int tb_switch_match(struct device *dev, void *data) @@ -1518,7 +1518,7 @@ struct tb_switch *tb_switch_find_by_link_depth(struct tb *tb, u8 link, u8 depth) * Returned switch has reference count increased so the caller needs to * call tb_switch_put() when done with the switch. */ -struct tb_switch *tb_switch_find_by_uuid(struct tb *tb, const uuid_be *uuid) +struct tb_switch *tb_switch_find_by_uuid(struct tb *tb, const uuid_t *uuid) { struct tb_sw_lookup lookup; struct device *dev; diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index 3d9f64676e58..e0deee4f1eb0 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -101,7 +101,7 @@ struct tb_switch { struct tb_dma_port *dma_port; struct tb *tb; u64 uid; - uuid_be *uuid; + uuid_t *uuid; u16 vendor; u16 device; const char *vendor_name; @@ -407,7 +407,7 @@ void tb_sw_set_unplugged(struct tb_switch *sw); struct tb_switch *get_switch_at_route(struct tb_switch *sw, u64 route); struct tb_switch *tb_switch_find_by_link_depth(struct tb *tb, u8 link, u8 depth); -struct tb_switch *tb_switch_find_by_uuid(struct tb *tb, const uuid_be *uuid); +struct tb_switch *tb_switch_find_by_uuid(struct tb *tb, const uuid_t *uuid); static inline unsigned int tb_switch_phy_port_from_link(unsigned int link) { diff --git a/drivers/thunderbolt/tb_msgs.h b/drivers/thunderbolt/tb_msgs.h index 85b6d33c0919..de6441e4a060 100644 --- a/drivers/thunderbolt/tb_msgs.h +++ b/drivers/thunderbolt/tb_msgs.h @@ -179,7 +179,7 @@ struct icm_fr_pkg_get_topology_response { struct icm_fr_event_device_connected { struct icm_pkg_header hdr; - uuid_be ep_uuid; + uuid_t ep_uuid; u8 connection_key; u8 connection_id; u16 link_info; @@ -193,7 +193,7 @@ struct icm_fr_event_device_connected { struct icm_fr_pkg_approve_device { struct icm_pkg_header hdr; - uuid_be ep_uuid; + uuid_t ep_uuid; u8 connection_key; u8 connection_id; u16 reserved; @@ -207,7 +207,7 @@ struct icm_fr_event_device_disconnected { struct icm_fr_pkg_add_device_key { struct icm_pkg_header hdr; - uuid_be ep_uuid; + uuid_t ep_uuid; u8 connection_key; u8 connection_id; u16 reserved; @@ -216,7 +216,7 @@ struct icm_fr_pkg_add_device_key { struct icm_fr_pkg_add_device_key_response { struct icm_pkg_header hdr; - uuid_be ep_uuid; + uuid_t ep_uuid; u8 connection_key; u8 connection_id; u16 reserved; @@ -224,7 +224,7 @@ struct icm_fr_pkg_add_device_key_response { struct icm_fr_pkg_challenge_device { struct icm_pkg_header hdr; - uuid_be ep_uuid; + uuid_t ep_uuid; u8 connection_key; u8 connection_id; u16 reserved; @@ -233,7 +233,7 @@ struct icm_fr_pkg_challenge_device { struct icm_fr_pkg_challenge_device_response { struct icm_pkg_header hdr; - uuid_be ep_uuid; + uuid_t ep_uuid; u8 connection_key; u8 connection_id; u16 reserved; diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index b5def356af63..1aab3010fbfa 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -1043,13 +1043,24 @@ int serial8250_register_8250_port(struct uart_8250_port *up) if (up->dl_write) uart->dl_write = up->dl_write; - if (serial8250_isa_config != NULL) - serial8250_isa_config(0, &uart->port, - &uart->capabilities); + if (uart->port.type != PORT_8250_CIR) { + if (serial8250_isa_config != NULL) + serial8250_isa_config(0, &uart->port, + &uart->capabilities); + + ret = uart_add_one_port(&serial8250_reg, + &uart->port); + if (ret == 0) + ret = uart->port.line; + } else { + dev_info(uart->port.dev, + "skipping CIR port at 0x%lx / 0x%llx, IRQ %d\n", + uart->port.iobase, + (unsigned long long)uart->port.mapbase, + uart->port.irq); - ret = uart_add_one_port(&serial8250_reg, &uart->port); - if (ret == 0) - ret = uart->port.line; + ret = 0; + } } mutex_unlock(&serial_mutex); diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index b5c98e5bf524..c6360fbdf808 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -261,7 +261,7 @@ __xr17v35x_register_gpio(struct pci_dev *pcidev, } static const struct property_entry exar_gpio_properties[] = { - PROPERTY_ENTRY_U32("linux,first-pin", 0), + PROPERTY_ENTRY_U32("exar,first-pin", 0), PROPERTY_ENTRY_U32("ngpios", 16), { } }; @@ -326,7 +326,7 @@ static int iot2040_rs485_config(struct uart_port *port, } static const struct property_entry iot2040_gpio_properties[] = { - PROPERTY_ENTRY_U32("linux,first-pin", 10), + PROPERTY_ENTRY_U32("exar,first-pin", 10), PROPERTY_ENTRY_U32("ngpios", 1), { } }; diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 8a857bb34fbb..1888d168a41c 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -142,15 +142,7 @@ static struct vendor_data vendor_sbsa = { .fixed_options = true, }; -/* - * Erratum 44 for QDF2432v1 and QDF2400v1 SoCs describes the BUSY bit as - * occasionally getting stuck as 1. To avoid the potential for a hang, check - * TXFE == 0 instead of BUSY == 1. This may not be suitable for all UART - * implementations, so only do so if an affected platform is detected in - * parse_spcr(). - */ -static bool qdf2400_e44_present = false; - +#ifdef CONFIG_ACPI_SPCR_TABLE static struct vendor_data vendor_qdt_qdf2400_e44 = { .reg_offset = pl011_std_offsets, .fr_busy = UART011_FR_TXFE, @@ -165,6 +157,7 @@ static struct vendor_data vendor_qdt_qdf2400_e44 = { .always_enabled = true, .fixed_options = true, }; +#endif static u16 pl011_st_offsets[REG_ARRAY_SIZE] = { [REG_DR] = UART01x_DR, @@ -2375,12 +2368,14 @@ static int __init pl011_console_match(struct console *co, char *name, int idx, resource_size_t addr; int i; - if (strcmp(name, "qdf2400_e44") == 0) { - pr_info_once("UART: Working around QDF2400 SoC erratum 44"); - qdf2400_e44_present = true; - } else if (strcmp(name, "pl011") != 0) { + /* + * Systems affected by the Qualcomm Technologies QDF2400 E44 erratum + * have a distinct console name, so make sure we check for that. + * The actual implementation of the erratum occurs in the probe + * function. + */ + if ((strcmp(name, "qdf2400_e44") != 0) && (strcmp(name, "pl011") != 0)) return -ENODEV; - } if (uart_parse_earlycon(options, &iotype, &addr, &options)) return -ENODEV; @@ -2734,11 +2729,17 @@ static int sbsa_uart_probe(struct platform_device *pdev) } uap->port.irq = ret; - uap->reg_offset = vendor_sbsa.reg_offset; - uap->vendor = qdf2400_e44_present ? - &vendor_qdt_qdf2400_e44 : &vendor_sbsa; +#ifdef CONFIG_ACPI_SPCR_TABLE + if (qdf2400_e44_present) { + dev_info(&pdev->dev, "working around QDF2400 SoC erratum 44\n"); + uap->vendor = &vendor_qdt_qdf2400_e44; + } else +#endif + uap->vendor = &vendor_sbsa; + + uap->reg_offset = uap->vendor->reg_offset; uap->fifosize = 32; - uap->port.iotype = vendor_sbsa.access_32b ? UPIO_MEM32 : UPIO_MEM; + uap->port.iotype = uap->vendor->access_32b ? UPIO_MEM32 : UPIO_MEM; uap->port.ops = &sbsa_uart_pops; uap->fixed_baud = baudrate; diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index ab1bb3b538ac..7f277b092b5b 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1888,7 +1888,7 @@ void usb_hcd_flush_endpoint(struct usb_device *udev, /* No more submits can occur */ spin_lock_irq(&hcd_urb_list_lock); rescan: - list_for_each_entry (urb, &ep->urb_list, urb_list) { + list_for_each_entry_reverse(urb, &ep->urb_list, urb_list) { int is_in; if (urb->unlinked) @@ -2485,6 +2485,8 @@ void usb_hc_died (struct usb_hcd *hcd) } if (usb_hcd_is_primary_hcd(hcd) && hcd->shared_hcd) { hcd = hcd->shared_hcd; + clear_bit(HCD_FLAG_RH_RUNNING, &hcd->flags); + set_bit(HCD_FLAG_DEAD, &hcd->flags); if (hcd->rh_registered) { clear_bit(HCD_FLAG_POLL_RH, &hcd->flags); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 6e6797d145dd..822f8c50e423 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4725,7 +4725,8 @@ hub_power_remaining(struct usb_hub *hub) static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, u16 portchange) { - int status, i; + int status = -ENODEV; + int i; unsigned unit_load; struct usb_device *hdev = hub->hdev; struct usb_hcd *hcd = bus_to_hcd(hdev->bus); @@ -4929,9 +4930,10 @@ loop: done: hub_port_disable(hub, port1, 1); - if (hcd->driver->relinquish_port && !hub->hdev->parent) - hcd->driver->relinquish_port(hcd, port1); - + if (hcd->driver->relinquish_port && !hub->hdev->parent) { + if (status != -ENOTCONN && status != -ENODEV) + hcd->driver->relinquish_port(hcd, port1); + } } /* Handle physical or logical connection change events. diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 3116edfcdc18..574da2b4529c 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -150,6 +150,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* appletouch */ { USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Genesys Logic hub, internally used by Moshi USB to Ethernet Adapter */ + { USB_DEVICE(0x05e3, 0x0616), .driver_info = USB_QUIRK_NO_LPM }, + /* Avision AV600U */ { USB_DEVICE(0x0638, 0x0a13), .driver_info = USB_QUIRK_STRING_FETCH_255 }, @@ -249,6 +252,7 @@ static const struct usb_device_id usb_amd_resume_quirk_list[] = { { USB_DEVICE(0x093a, 0x2500), .driver_info = USB_QUIRK_RESET_RESUME }, { USB_DEVICE(0x093a, 0x2510), .driver_info = USB_QUIRK_RESET_RESUME }, { USB_DEVICE(0x093a, 0x2521), .driver_info = USB_QUIRK_RESET_RESUME }, + { USB_DEVICE(0x03f0, 0x2b4a), .driver_info = USB_QUIRK_RESET_RESUME }, /* Logitech Optical Mouse M90/M100 */ { USB_DEVICE(0x046d, 0xc05a), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 6b299c7b7656..f064f1549333 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -896,9 +896,40 @@ static void __dwc3_prepare_one_trb(struct dwc3_ep *dep, struct dwc3_trb *trb, if (!node) { trb->ctrl = DWC3_TRBCTL_ISOCHRONOUS_FIRST; + /* + * USB Specification 2.0 Section 5.9.2 states that: "If + * there is only a single transaction in the microframe, + * only a DATA0 data packet PID is used. If there are + * two transactions per microframe, DATA1 is used for + * the first transaction data packet and DATA0 is used + * for the second transaction data packet. If there are + * three transactions per microframe, DATA2 is used for + * the first transaction data packet, DATA1 is used for + * the second, and DATA0 is used for the third." + * + * IOW, we should satisfy the following cases: + * + * 1) length <= maxpacket + * - DATA0 + * + * 2) maxpacket < length <= (2 * maxpacket) + * - DATA1, DATA0 + * + * 3) (2 * maxpacket) < length <= (3 * maxpacket) + * - DATA2, DATA1, DATA0 + */ if (speed == USB_SPEED_HIGH) { struct usb_ep *ep = &dep->endpoint; - trb->size |= DWC3_TRB_SIZE_PCM1(ep->mult - 1); + unsigned int mult = ep->mult - 1; + unsigned int maxp = usb_endpoint_maxp(ep->desc); + + if (length <= (2 * maxp)) + mult--; + + if (length <= maxp) + mult--; + + trb->size |= DWC3_TRB_SIZE_PCM1(mult); } } else { trb->ctrl = DWC3_TRBCTL_ISOCHRONOUS; diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 62dc9c7798e7..e1de8fe599a3 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -838,21 +838,32 @@ static struct renesas_usb3_request *usb3_get_request(struct renesas_usb3_ep return usb3_req; } -static void usb3_request_done(struct renesas_usb3_ep *usb3_ep, - struct renesas_usb3_request *usb3_req, int status) +static void __usb3_request_done(struct renesas_usb3_ep *usb3_ep, + struct renesas_usb3_request *usb3_req, + int status) { struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); - unsigned long flags; dev_dbg(usb3_to_dev(usb3), "giveback: ep%2d, %u, %u, %d\n", usb3_ep->num, usb3_req->req.length, usb3_req->req.actual, status); usb3_req->req.status = status; - spin_lock_irqsave(&usb3->lock, flags); usb3_ep->started = false; list_del_init(&usb3_req->queue); - spin_unlock_irqrestore(&usb3->lock, flags); + spin_unlock(&usb3->lock); usb_gadget_giveback_request(&usb3_ep->ep, &usb3_req->req); + spin_lock(&usb3->lock); +} + +static void usb3_request_done(struct renesas_usb3_ep *usb3_ep, + struct renesas_usb3_request *usb3_req, int status) +{ + struct renesas_usb3 *usb3 = usb3_ep_to_usb3(usb3_ep); + unsigned long flags; + + spin_lock_irqsave(&usb3->lock, flags); + __usb3_request_done(usb3_ep, usb3_req, status); + spin_unlock_irqrestore(&usb3->lock, flags); } static void usb3_irq_epc_pipe0_status_end(struct renesas_usb3 *usb3) diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index c8989c62a262..c8f38649f749 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -98,6 +98,7 @@ enum amd_chipset_gen { AMD_CHIPSET_HUDSON2, AMD_CHIPSET_BOLTON, AMD_CHIPSET_YANGTZE, + AMD_CHIPSET_TAISHAN, AMD_CHIPSET_UNKNOWN, }; @@ -141,6 +142,11 @@ static int amd_chipset_sb_type_init(struct amd_chipset_info *pinfo) pinfo->sb_type.gen = AMD_CHIPSET_SB700; else if (rev >= 0x40 && rev <= 0x4f) pinfo->sb_type.gen = AMD_CHIPSET_SB800; + } + pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD, + 0x145c, NULL); + if (pinfo->smbus_dev) { + pinfo->sb_type.gen = AMD_CHIPSET_TAISHAN; } else { pinfo->smbus_dev = pci_get_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SMBUS, NULL); @@ -260,11 +266,12 @@ int usb_hcd_amd_remote_wakeup_quirk(struct pci_dev *pdev) { /* Make sure amd chipset type has already been initialized */ usb_amd_find_chipset_info(); - if (amd_chipset.sb_type.gen != AMD_CHIPSET_YANGTZE) - return 0; - - dev_dbg(&pdev->dev, "QUIRK: Enable AMD remote wakeup fix\n"); - return 1; + if (amd_chipset.sb_type.gen == AMD_CHIPSET_YANGTZE || + amd_chipset.sb_type.gen == AMD_CHIPSET_TAISHAN) { + dev_dbg(&pdev->dev, "QUIRK: Enable AMD remote wakeup fix\n"); + return 1; + } + return 0; } EXPORT_SYMBOL_GPL(usb_hcd_amd_remote_wakeup_quirk); @@ -1150,3 +1157,23 @@ static void quirk_usb_early_handoff(struct pci_dev *pdev) } DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_SERIAL_USB, 8, quirk_usb_early_handoff); + +bool usb_xhci_needs_pci_reset(struct pci_dev *pdev) +{ + /* + * Our dear uPD72020{1,2} friend only partially resets when + * asked to via the XHCI interface, and may end up doing DMA + * at the wrong addresses, as it keeps the top 32bit of some + * addresses from its previous programming under obscure + * circumstances. + * Give it a good wack at probe time. Unfortunately, this + * needs to happen before we've had a chance to discover any + * quirk, or the system will be in a rather bad state. + */ + if (pdev->vendor == PCI_VENDOR_ID_RENESAS && + (pdev->device == 0x0014 || pdev->device == 0x0015)) + return true; + + return false; +} +EXPORT_SYMBOL_GPL(usb_xhci_needs_pci_reset); diff --git a/drivers/usb/host/pci-quirks.h b/drivers/usb/host/pci-quirks.h index 655994480198..5582cbafecd4 100644 --- a/drivers/usb/host/pci-quirks.h +++ b/drivers/usb/host/pci-quirks.h @@ -15,6 +15,7 @@ void usb_asmedia_modifyflowcontrol(struct pci_dev *pdev); void usb_enable_intel_xhci_ports(struct pci_dev *xhci_pdev); void usb_disable_xhci_ports(struct pci_dev *xhci_pdev); void sb800_prefetch(struct device *dev, int on); +bool usb_xhci_needs_pci_reset(struct pci_dev *pdev); #else struct pci_dev; static inline void usb_amd_quirk_pll_disable(void) {} diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 5b0fa553c8bc..8071c8fdd15e 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -284,6 +284,13 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) driver = (struct hc_driver *)id->driver_data; + /* For some HW implementation, a XHCI reset is just not enough... */ + if (usb_xhci_needs_pci_reset(dev)) { + dev_info(&dev->dev, "Resetting\n"); + if (pci_reset_function_locked(dev)) + dev_warn(&dev->dev, "Reset failed"); + } + /* Prevent runtime suspending between USB-2 and USB-3 initialization */ pm_runtime_get_noresume(&dev->dev); diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 76decb8011eb..3344ffd5bb13 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -139,6 +139,7 @@ static void musb_h_tx_flush_fifo(struct musb_hw_ep *ep) "Could not flush host TX%d fifo: csr: %04x\n", ep->epnum, csr)) return; + mdelay(1); } } diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c index 8fb86a5f458e..3d0dd2f97415 100644 --- a/drivers/usb/phy/phy-msm-usb.c +++ b/drivers/usb/phy/phy-msm-usb.c @@ -197,6 +197,7 @@ struct msm_otg { struct regulator *v3p3; struct regulator *v1p8; struct regulator *vddcx; + struct regulator_bulk_data supplies[3]; struct reset_control *phy_rst; struct reset_control *link_rst; @@ -1731,7 +1732,6 @@ static int msm_otg_reboot_notify(struct notifier_block *this, static int msm_otg_probe(struct platform_device *pdev) { - struct regulator_bulk_data regs[3]; int ret = 0; struct device_node *np = pdev->dev.of_node; struct msm_otg_platform_data *pdata; @@ -1817,17 +1817,18 @@ static int msm_otg_probe(struct platform_device *pdev) return motg->irq; } - regs[0].supply = "vddcx"; - regs[1].supply = "v3p3"; - regs[2].supply = "v1p8"; + motg->supplies[0].supply = "vddcx"; + motg->supplies[1].supply = "v3p3"; + motg->supplies[2].supply = "v1p8"; - ret = devm_regulator_bulk_get(motg->phy.dev, ARRAY_SIZE(regs), regs); + ret = devm_regulator_bulk_get(motg->phy.dev, ARRAY_SIZE(motg->supplies), + motg->supplies); if (ret) return ret; - motg->vddcx = regs[0].consumer; - motg->v3p3 = regs[1].consumer; - motg->v1p8 = regs[2].consumer; + motg->vddcx = motg->supplies[0].consumer; + motg->v3p3 = motg->supplies[1].consumer; + motg->v1p8 = motg->supplies[2].consumer; clk_set_rate(motg->clk, 60000000); diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 93fba9033b00..2c8161bcf5b5 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -639,14 +639,11 @@ static int usbhsg_ep_disable(struct usb_ep *ep) struct usbhsg_uep *uep = usbhsg_ep_to_uep(ep); struct usbhs_pipe *pipe; unsigned long flags; - int ret = 0; spin_lock_irqsave(&uep->lock, flags); pipe = usbhsg_uep_to_pipe(uep); - if (!pipe) { - ret = -EINVAL; + if (!pipe) goto out; - } usbhsg_pipe_disable(uep); usbhs_pipe_free(pipe); diff --git a/drivers/usb/renesas_usbhs/rcar3.c b/drivers/usb/renesas_usbhs/rcar3.c index d544b331c9f2..02b67abfc2a1 100644 --- a/drivers/usb/renesas_usbhs/rcar3.c +++ b/drivers/usb/renesas_usbhs/rcar3.c @@ -20,9 +20,13 @@ /* Low Power Status register (LPSTS) */ #define LPSTS_SUSPM 0x4000 -/* USB General control register 2 (UGCTRL2), bit[31:6] should be 0 */ +/* + * USB General control register 2 (UGCTRL2) + * Remarks: bit[31:11] and bit[9:6] should be 0 + */ #define UGCTRL2_RESERVED_3 0x00000001 /* bit[3:0] should be B'0001 */ #define UGCTRL2_USB0SEL_OTG 0x00000030 +#define UGCTRL2_VBUSSEL 0x00000400 static void usbhs_write32(struct usbhs_priv *priv, u32 reg, u32 data) { @@ -34,7 +38,8 @@ static int usbhs_rcar3_power_ctrl(struct platform_device *pdev, { struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev); - usbhs_write32(priv, UGCTRL2, UGCTRL2_RESERVED_3 | UGCTRL2_USB0SEL_OTG); + usbhs_write32(priv, UGCTRL2, UGCTRL2_RESERVED_3 | UGCTRL2_USB0SEL_OTG | + UGCTRL2_VBUSSEL); if (enable) { usbhs_bset(priv, LPSTS, LPSTS_SUSPM, LPSTS_SUSPM); diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index f64e914a8985..2d945c9f975c 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -142,6 +142,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x8998) }, /* KCF Technologies PRN */ { USB_DEVICE(0x10C4, 0x8A2A) }, /* HubZ dual ZigBee and Z-Wave dongle */ { USB_DEVICE(0x10C4, 0x8A5E) }, /* CEL EM3588 ZigBee USB Stick Long Range */ + { USB_DEVICE(0x10C4, 0x8B34) }, /* Qivicon ZigBee USB Radio Stick */ { USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */ { USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index ebe51f11105d..fe123153b1a5 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -2025,6 +2025,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d04, 0xff) }, /* D-Link DWM-158 */ { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff), /* D-Link DWM-221 B1 */ .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e35, 0xff), /* D-Link DWM-222 */ + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e02, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/C1 */ { USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x7e11, 0xff, 0xff, 0xff) }, /* D-Link DWM-156/A3 */ diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index c9ebefd8f35f..a585b477415d 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -52,6 +52,8 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(IODATA_VENDOR_ID, IODATA_PRODUCT_ID_RSAQ5) }, { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID), .driver_info = PL2303_QUIRK_ENDPOINT_HACK }, + { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_UC485), + .driver_info = PL2303_QUIRK_ENDPOINT_HACK }, { USB_DEVICE(ATEN_VENDOR_ID, ATEN_PRODUCT_ID2) }, { USB_DEVICE(ATEN_VENDOR_ID2, ATEN_PRODUCT_ID) }, { USB_DEVICE(ELCOM_VENDOR_ID, ELCOM_PRODUCT_ID) }, diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 09d9be88209e..3b5a15d1dc0d 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -27,6 +27,7 @@ #define ATEN_VENDOR_ID 0x0557 #define ATEN_VENDOR_ID2 0x0547 #define ATEN_PRODUCT_ID 0x2008 +#define ATEN_PRODUCT_UC485 0x2021 #define ATEN_PRODUCT_ID2 0x2118 #define IODATA_VENDOR_ID 0x04bb diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index cbea9f329e71..cde115359793 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -124,9 +124,9 @@ UNUSUAL_DEV(0x0bc2, 0xab2a, 0x0000, 0x9999, /* Reported-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> */ UNUSUAL_DEV(0x13fd, 0x3940, 0x0000, 0x9999, "Initio Corporation", - "", + "INIC-3069", USB_SC_DEVICE, USB_PR_DEVICE, NULL, - US_FL_NO_ATA_1X), + US_FL_NO_ATA_1X | US_FL_IGNORE_RESIDUE), /* Reported-by: Tom Arild Naess <tanaess@gmail.com> */ UNUSUAL_DEV(0x152d, 0x0539, 0x0000, 0x9999, diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 06615934fed1..0dceb9fa3a06 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -315,6 +315,7 @@ static int usb_stor_control_thread(void * __us) { struct us_data *us = (struct us_data *)__us; struct Scsi_Host *host = us_to_host(us); + struct scsi_cmnd *srb; for (;;) { usb_stor_dbg(us, "*** thread sleeping\n"); @@ -330,6 +331,7 @@ static int usb_stor_control_thread(void * __us) scsi_lock(host); /* When we are called with no command pending, we're done */ + srb = us->srb; if (us->srb == NULL) { scsi_unlock(host); mutex_unlock(&us->dev_mutex); @@ -398,14 +400,11 @@ static int usb_stor_control_thread(void * __us) /* lock access to the state */ scsi_lock(host); - /* indicate that the command is done */ - if (us->srb->result != DID_ABORT << 16) { - usb_stor_dbg(us, "scsi cmd done, result=0x%x\n", - us->srb->result); - us->srb->scsi_done(us->srb); - } else { + /* was the command aborted? */ + if (us->srb->result == DID_ABORT << 16) { SkipForAbort: usb_stor_dbg(us, "scsi command aborted\n"); + srb = NULL; /* Don't call srb->scsi_done() */ } /* @@ -429,6 +428,13 @@ SkipForAbort: /* unlock the device pointers */ mutex_unlock(&us->dev_mutex); + + /* now that the locks are released, notify the SCSI core */ + if (srb) { + usb_stor_dbg(us, "scsi cmd done, result=0x%x\n", + srb->result); + srb->scsi_done(srb); + } } /* for (;;) */ /* Wait until we are told to stop */ diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 063c1ce6fa42..f041b1a6cf66 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -226,7 +226,14 @@ static int vfio_pci_enable(struct vfio_pci_device *vdev) if (ret) return ret; - vdev->reset_works = (pci_reset_function(pdev) == 0); + /* If reset fails because of the device lock, fail this path entirely */ + ret = pci_try_reset_function(pdev); + if (ret == -EAGAIN) { + pci_disable_device(pdev); + return ret; + } + + vdev->reset_works = !ret; pci_save_state(pdev); vdev->pci_saved_state = pci_store_saved_state(pdev); if (!vdev->pci_saved_state) diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c index 330a57024cbc..5628fe114347 100644 --- a/drivers/vfio/pci/vfio_pci_config.c +++ b/drivers/vfio/pci/vfio_pci_config.c @@ -839,7 +839,7 @@ static int vfio_exp_config_write(struct vfio_pci_device *vdev, int pos, /* Permissions for PCI Express capability */ static int __init init_pci_cap_exp_perm(struct perm_bits *perm) { - /* Alloc larger of two possible sizes */ + /* Alloc largest of possible sizes */ if (alloc_perm_bits(perm, PCI_CAP_EXP_ENDPOINT_SIZEOF_V2)) return -ENOMEM; @@ -1243,11 +1243,16 @@ static int vfio_cap_len(struct vfio_pci_device *vdev, u8 cap, u8 pos) vdev->extended_caps = (dword != 0); } - /* length based on version */ - if ((pcie_caps_reg(pdev) & PCI_EXP_FLAGS_VERS) == 1) + /* length based on version and type */ + if ((pcie_caps_reg(pdev) & PCI_EXP_FLAGS_VERS) == 1) { + if (pci_pcie_type(pdev) == PCI_EXP_TYPE_RC_END) + return 0xc; /* "All Devices" only, no link */ return PCI_CAP_EXP_ENDPOINT_SIZEOF_V1; - else + } else { + if (pci_pcie_type(pdev) == PCI_EXP_TYPE_RC_END) + return 0x2c; /* No link */ return PCI_CAP_EXP_ENDPOINT_SIZEOF_V2; + } case PCI_CAP_ID_HT: ret = pci_read_config_byte(pdev, pos + 3, &byte); if (ret) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index e4613a3c362d..9cb3f722dce1 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -308,7 +308,6 @@ static void vhost_vq_reset(struct vhost_dev *dev, vq->avail = NULL; vq->used = NULL; vq->last_avail_idx = 0; - vq->last_used_event = 0; vq->avail_idx = 0; vq->last_used_idx = 0; vq->signalled_used = 0; @@ -1402,7 +1401,7 @@ long vhost_vring_ioctl(struct vhost_dev *d, int ioctl, void __user *argp) r = -EINVAL; break; } - vq->last_avail_idx = vq->last_used_event = s.num; + vq->last_avail_idx = s.num; /* Forget the cached index value. */ vq->avail_idx = vq->last_avail_idx; break; @@ -2241,6 +2240,10 @@ static bool vhost_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq) __u16 old, new; __virtio16 event; bool v; + /* Flush out used index updates. This is paired + * with the barrier that the Guest executes when enabling + * interrupts. */ + smp_mb(); if (vhost_has_feature(vq, VIRTIO_F_NOTIFY_ON_EMPTY) && unlikely(vq->avail_idx == vq->last_avail_idx)) @@ -2248,10 +2251,6 @@ static bool vhost_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq) if (!vhost_has_feature(vq, VIRTIO_RING_F_EVENT_IDX)) { __virtio16 flags; - /* Flush out used index updates. This is paired - * with the barrier that the Guest executes when enabling - * interrupts. */ - smp_mb(); if (vhost_get_avail(vq, flags, &vq->avail->flags)) { vq_err(vq, "Failed to get flags"); return true; @@ -2266,26 +2265,11 @@ static bool vhost_notify(struct vhost_dev *dev, struct vhost_virtqueue *vq) if (unlikely(!v)) return true; - /* We're sure if the following conditions are met, there's no - * need to notify guest: - * 1) cached used event is ahead of new - * 2) old to new updating does not cross cached used event. */ - if (vring_need_event(vq->last_used_event, new + vq->num, new) && - !vring_need_event(vq->last_used_event, new, old)) - return false; - - /* Flush out used index updates. This is paired - * with the barrier that the Guest executes when enabling - * interrupts. */ - smp_mb(); - if (vhost_get_avail(vq, event, vhost_used_event(vq))) { vq_err(vq, "Failed to get used event idx"); return true; } - vq->last_used_event = vhost16_to_cpu(vq, event); - - return vring_need_event(vq->last_used_event, new, old); + return vring_need_event(vhost16_to_cpu(vq, event), new, old); } /* This actually signals the guest, using eventfd. */ diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index f72095868b93..bb7c29b8b9fc 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -115,9 +115,6 @@ struct vhost_virtqueue { /* Last index we used. */ u16 last_used_idx; - /* Last used evet we've seen */ - u16 last_used_event; - /* Used flags */ u16 used_flags; diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index ff01bed7112f..1e784adb89b1 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -17,6 +17,7 @@ #include <asm/efi.h> static bool request_mem_succeeded = false; +static bool nowc = false; static struct fb_var_screeninfo efifb_defined = { .activate = FB_ACTIVATE_NOW, @@ -99,6 +100,8 @@ static int efifb_setup(char *options) screen_info.lfb_height = simple_strtoul(this_opt+7, NULL, 0); else if (!strncmp(this_opt, "width:", 6)) screen_info.lfb_width = simple_strtoul(this_opt+6, NULL, 0); + else if (!strcmp(this_opt, "nowc")) + nowc = true; } } @@ -255,7 +258,10 @@ static int efifb_probe(struct platform_device *dev) info->apertures->ranges[0].base = efifb_fix.smem_start; info->apertures->ranges[0].size = size_remap; - info->screen_base = ioremap_wc(efifb_fix.smem_start, efifb_fix.smem_len); + if (nowc) + info->screen_base = ioremap(efifb_fix.smem_start, efifb_fix.smem_len); + else + info->screen_base = ioremap_wc(efifb_fix.smem_start, efifb_fix.smem_len); if (!info->screen_base) { pr_err("efifb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n", efifb_fix.smem_len, efifb_fix.smem_start); diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c index c166e0725be5..ba82f97fb42b 100644 --- a/drivers/video/fbdev/imxfb.c +++ b/drivers/video/fbdev/imxfb.c @@ -1073,20 +1073,16 @@ static int imxfb_remove(struct platform_device *pdev) imxfb_disable_controller(fbi); unregister_framebuffer(info); - + fb_dealloc_cmap(&info->cmap); pdata = dev_get_platdata(&pdev->dev); if (pdata && pdata->exit) pdata->exit(fbi->pdev); - - fb_dealloc_cmap(&info->cmap); - kfree(info->pseudo_palette); - framebuffer_release(info); - dma_free_wc(&pdev->dev, fbi->map_size, info->screen_base, fbi->map_dma); - iounmap(fbi->regs); release_mem_region(res->start, resource_size(res)); + kfree(info->pseudo_palette); + framebuffer_release(info); return 0; } diff --git a/drivers/video/fbdev/omap2/omapfb/dss/core.c b/drivers/video/fbdev/omap2/omapfb/dss/core.c index eecf695c16f4..09e5bb013d28 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/core.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/core.c @@ -193,7 +193,6 @@ static struct notifier_block omap_dss_pm_notif_block = { static int __init omap_dss_probe(struct platform_device *pdev) { - struct omap_dss_board_info *pdata = pdev->dev.platform_data; int r; core.pdev = pdev; diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 22caf808bfab..f0b3a0b9d42f 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -104,12 +104,6 @@ static u32 page_to_balloon_pfn(struct page *page) return pfn * VIRTIO_BALLOON_PAGES_PER_PAGE; } -static struct page *balloon_pfn_to_page(u32 pfn) -{ - BUG_ON(pfn % VIRTIO_BALLOON_PAGES_PER_PAGE); - return pfn_to_page(pfn / VIRTIO_BALLOON_PAGES_PER_PAGE); -} - static void balloon_ack(struct virtqueue *vq) { struct virtio_balloon *vb = vq->vdev->priv; @@ -138,8 +132,10 @@ static void set_page_pfns(struct virtio_balloon *vb, { unsigned int i; - /* Set balloon pfns pointing at this page. - * Note that the first pfn points at start of the page. */ + /* + * Set balloon pfns pointing at this page. + * Note that the first pfn points at start of the page. + */ for (i = 0; i < VIRTIO_BALLOON_PAGES_PER_PAGE; i++) pfns[i] = cpu_to_virtio32(vb->vdev, page_to_balloon_pfn(page) + i); @@ -182,18 +178,16 @@ static unsigned fill_balloon(struct virtio_balloon *vb, size_t num) return num_allocated_pages; } -static void release_pages_balloon(struct virtio_balloon *vb) +static void release_pages_balloon(struct virtio_balloon *vb, + struct list_head *pages) { - unsigned int i; - struct page *page; + struct page *page, *next; - /* Find pfns pointing at start of each page, get pages and free them. */ - for (i = 0; i < vb->num_pfns; i += VIRTIO_BALLOON_PAGES_PER_PAGE) { - page = balloon_pfn_to_page(virtio32_to_cpu(vb->vdev, - vb->pfns[i])); + list_for_each_entry_safe(page, next, pages, lru) { if (!virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM)) adjust_managed_page_count(page, 1); + list_del(&page->lru); put_page(page); /* balloon reference */ } } @@ -203,6 +197,7 @@ static unsigned leak_balloon(struct virtio_balloon *vb, size_t num) unsigned num_freed_pages; struct page *page; struct balloon_dev_info *vb_dev_info = &vb->vb_dev_info; + LIST_HEAD(pages); /* We can only do one array worth at a time. */ num = min(num, ARRAY_SIZE(vb->pfns)); @@ -216,6 +211,7 @@ static unsigned leak_balloon(struct virtio_balloon *vb, size_t num) if (!page) break; set_page_pfns(vb, vb->pfns + vb->num_pfns, page); + list_add(&page->lru, &pages); vb->num_pages -= VIRTIO_BALLOON_PAGES_PER_PAGE; } @@ -227,7 +223,7 @@ static unsigned leak_balloon(struct virtio_balloon *vb, size_t num) */ if (vb->num_pfns != 0) tell_host(vb, vb->deflate_vq); - release_pages_balloon(vb); + release_pages_balloon(vb, &pages); mutex_unlock(&vb->balloon_lock); return num_freed_pages; } diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c index b241bfa529ce..2d43118077e4 100644 --- a/drivers/xen/events/events_base.c +++ b/drivers/xen/events/events_base.c @@ -343,14 +343,6 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu) info->cpu = cpu; } -static void xen_evtchn_mask_all(void) -{ - unsigned int evtchn; - - for (evtchn = 0; evtchn < xen_evtchn_nr_channels(); evtchn++) - mask_evtchn(evtchn); -} - /** * notify_remote_via_irq - send event to remote end of event channel via irq * @irq: irq of event channel to send event to @@ -582,7 +574,7 @@ static void shutdown_pirq(struct irq_data *data) static void enable_pirq(struct irq_data *data) { - startup_pirq(data); + enable_dynirq(data); } static void disable_pirq(struct irq_data *data) @@ -1573,7 +1565,6 @@ void xen_irq_resume(void) struct irq_info *info; /* New event-channel space is not 'live' yet. */ - xen_evtchn_mask_all(); xen_evtchn_resume(); /* No IRQ <-> event-channel mappings. */ @@ -1681,6 +1672,7 @@ module_param(fifo_events, bool, 0); void __init xen_init_IRQ(void) { int ret = -EINVAL; + unsigned int evtchn; if (fifo_events) ret = xen_evtchn_fifo_init(); @@ -1692,7 +1684,8 @@ void __init xen_init_IRQ(void) BUG_ON(!evtchn_to_irq); /* No event channels are 'live' right now. */ - xen_evtchn_mask_all(); + for (evtchn = 0; evtchn < xen_evtchn_nr_channels(); evtchn++) + mask_evtchn(evtchn); pirq_needs_eoi = pirq_needs_eoi_flag; diff --git a/drivers/xen/xen-selfballoon.c b/drivers/xen/xen-selfballoon.c index 66620713242a..a67e955cacd1 100644 --- a/drivers/xen/xen-selfballoon.c +++ b/drivers/xen/xen-selfballoon.c @@ -151,8 +151,8 @@ static unsigned long frontswap_inertia_counter; static void frontswap_selfshrink(void) { static unsigned long cur_frontswap_pages; - static unsigned long last_frontswap_pages; - static unsigned long tgt_frontswap_pages; + unsigned long last_frontswap_pages; + unsigned long tgt_frontswap_pages; last_frontswap_pages = cur_frontswap_pages; cur_frontswap_pages = frontswap_curr_pages(); diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c index e46080214955..3e59590c7254 100644 --- a/drivers/xen/xenbus/xenbus_xs.c +++ b/drivers/xen/xenbus/xenbus_xs.c @@ -857,6 +857,8 @@ static int xenwatch_thread(void *unused) struct list_head *ent; struct xs_watch_event *event; + xenwatch_pid = current->pid; + for (;;) { wait_event_interruptible(watch_events_waitq, !list_empty(&watch_events)); @@ -925,7 +927,6 @@ int xs_init(void) task = kthread_run(xenwatch_thread, NULL, "xenwatch"); if (IS_ERR(task)) return PTR_ERR(task); - xenwatch_pid = task->pid; /* shutdown watches for kexec boot */ xs_reset_watches(); diff --git a/drivers/xen/xenfs/super.c b/drivers/xen/xenfs/super.c index 967f069385d0..71ddfb4cf61c 100644 --- a/drivers/xen/xenfs/super.c +++ b/drivers/xen/xenfs/super.c @@ -87,7 +87,6 @@ static int __init xenfs_init(void) if (xen_domain()) return register_filesystem(&xenfs_type); - pr_info("not registering filesystem on non-xen platform\n"); return 0; } |