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-rw-r--r--drivers/acpi/internal.h2
-rw-r--r--drivers/acpi/ioapic.c22
-rw-r--r--drivers/acpi/pci_root.c4
-rw-r--r--drivers/ata/ahci_qoriq.c6
-rw-r--r--drivers/ata/libata-sff.c1
-rw-r--r--drivers/ata/libata-transport.c9
-rw-r--r--drivers/block/paride/pcd.c2
-rw-r--r--drivers/block/paride/pd.c2
-rw-r--r--drivers/block/paride/pf.c2
-rw-r--r--drivers/block/paride/pg.c2
-rw-r--r--drivers/block/paride/pt.c2
-rw-r--r--drivers/block/rbd.c16
-rw-r--r--drivers/block/zram/zram_drv.c2
-rw-r--r--drivers/char/nwbutton.c2
-rw-r--r--drivers/char/random.c129
-rw-r--r--drivers/cpufreq/cpufreq.c1
-rw-r--r--drivers/cpufreq/intel_pstate.c67
-rw-r--r--drivers/crypto/ux500/cryp/cryp.c2
-rw-r--r--drivers/firmware/efi/arm-runtime.c1
-rw-r--r--drivers/firmware/efi/libstub/secureboot.c4
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c5
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c21
-rw-r--r--drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c2
-rw-r--r--drivers/gpu/drm/drm_edid.c3
-rw-r--r--drivers/gpu/drm/i915/gvt/cfg_space.c57
-rw-r--r--drivers/gpu/drm/i915/gvt/cmd_parser.c10
-rw-r--r--drivers/gpu/drm/i915/gvt/display.c139
-rw-r--r--drivers/gpu/drm/i915/gvt/display.h20
-rw-r--r--drivers/gpu/drm/i915/gvt/firmware.c2
-rw-r--r--drivers/gpu/drm/i915/gvt/gtt.c40
-rw-r--r--drivers/gpu/drm/i915/gvt/gvt.h12
-rw-r--r--drivers/gpu/drm/i915/gvt/handlers.c439
-rw-r--r--drivers/gpu/drm/i915/gvt/kvmgt.c12
-rw-r--r--drivers/gpu/drm/i915/gvt/mmio.c66
-rw-r--r--drivers/gpu/drm/i915/gvt/opregion.c5
-rw-r--r--drivers/gpu/drm/i915/gvt/render.c16
-rw-r--r--drivers/gpu/drm/i915/gvt/scheduler.c52
-rw-r--r--drivers/gpu/drm/i915/gvt/vgpu.c72
-rw-r--r--drivers/gpu/drm/mxsfb/mxsfb_crtc.c49
-rw-r--r--drivers/gpu/drm/mxsfb/mxsfb_drv.c4
-rw-r--r--drivers/gpu/drm/mxsfb/mxsfb_out.c4
-rw-r--r--drivers/gpu/drm/mxsfb/mxsfb_regs.h1
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_vsp.c8
-rw-r--r--drivers/hv/channel.c2
-rw-r--r--drivers/i2c/busses/i2c-brcmstb.c27
-rw-r--r--drivers/i2c/busses/i2c-designware-core.h1
-rw-r--r--drivers/i2c/busses/i2c-designware-platdrv.c28
-rw-r--r--drivers/i2c/busses/i2c-exynos5.c3
-rw-r--r--drivers/i2c/busses/i2c-meson.c2
-rw-r--r--drivers/i2c/busses/i2c-mt65xx.c9
-rw-r--r--drivers/i2c/busses/i2c-riic.c6
-rw-r--r--drivers/i2c/i2c-mux.c2
-rw-r--r--drivers/irqchip/irq-crossbar.c9
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c16
-rw-r--r--drivers/isdn/hisax/st5481_b.c2
-rw-r--r--drivers/macintosh/macio_asic.c1
-rw-r--r--drivers/md/bcache/util.h1
-rw-r--r--drivers/media/dvb-frontends/drx39xyj/drx_driver.h8
-rw-r--r--drivers/media/platform/vsp1/vsp1_drm.c33
-rw-r--r--drivers/media/rc/lirc_dev.c4
-rw-r--r--drivers/media/rc/nuvoton-cir.c5
-rw-r--r--drivers/media/rc/rc-main.c26
-rw-r--r--drivers/media/rc/serial_ir.c123
-rw-r--r--drivers/media/usb/dvb-usb/dw2102.c244
-rw-r--r--drivers/misc/sgi-gru/grufault.c9
-rw-r--r--drivers/mtd/spi-nor/spi-nor.c2
-rw-r--r--drivers/net/ethernet/qlogic/qlge/qlge.h4
-rw-r--r--drivers/pci/dwc/pci-exynos.c8
-rw-r--r--drivers/pci/pcie/aspm.c5
-rw-r--r--drivers/pci/quirks.c1
-rw-r--r--drivers/pinctrl/qcom/pinctrl-msm.c15
-rw-r--r--drivers/pinctrl/uniphier/pinctrl-uniphier-ld11.c12
-rw-r--r--drivers/platform/x86/asus-nb-wmi.c49
-rw-r--r--drivers/platform/x86/asus-wmi.c22
-rw-r--r--drivers/platform/x86/asus-wmi.h1
-rw-r--r--drivers/platform/x86/fujitsu-laptop.c451
-rw-r--r--drivers/scsi/aic7xxx/aic79xx_core.c2
-rw-r--r--drivers/scsi/sd.c41
-rw-r--r--drivers/staging/octeon/ethernet-rx.c1
-rw-r--r--drivers/staging/vc04_services/Kconfig1
-rw-r--r--drivers/tty/n_hdlc.c132
-rw-r--r--drivers/tty/serial/samsung.c6
-rw-r--r--drivers/usb/dwc3/dwc3-omap.c3
-rw-r--r--drivers/usb/dwc3/gadget.c76
-rw-r--r--drivers/usb/dwc3/gadget.h14
-rw-r--r--drivers/usb/gadget/configfs.c1
-rw-r--r--drivers/usb/gadget/function/f_fs.c17
-rw-r--r--drivers/usb/gadget/function/f_uvc.c7
-rw-r--r--drivers/usb/gadget/legacy/inode.c7
-rw-r--r--drivers/usb/gadget/udc/atmel_usba_udc.c4
-rw-r--r--drivers/usb/gadget/udc/dummy_hcd.c2
-rw-r--r--drivers/usb/gadget/udc/net2280.c25
-rw-r--r--drivers/usb/gadget/udc/pxa27x_udc.c5
-rw-r--r--drivers/usb/host/ohci-at91.c4
-rw-r--r--drivers/usb/host/xhci-dbg.c2
-rw-r--r--drivers/usb/host/xhci-mtk.c7
-rw-r--r--drivers/usb/host/xhci-plat.c2
-rw-r--r--drivers/usb/host/xhci-tegra.c1
-rw-r--r--drivers/usb/host/xhci.c4
-rw-r--r--drivers/usb/misc/iowarrior.c21
-rw-r--r--drivers/usb/misc/usb251xb.c59
-rw-r--r--drivers/usb/phy/phy-isp1301.c7
-rw-r--r--drivers/usb/serial/digi_acceleport.c2
-rw-r--r--drivers/usb/serial/io_ti.c8
-rw-r--r--drivers/usb/serial/omninet.c13
-rw-r--r--drivers/usb/serial/safe_serial.c5
-rw-r--r--drivers/usb/storage/unusual_devs.h14
-rw-r--r--drivers/xen/swiotlb-xen.c47
-rw-r--r--drivers/xen/xenbus/xenbus_dev_frontend.c1
110 files changed, 1841 insertions, 1151 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 219b90bc0922..f15900132912 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -41,8 +41,10 @@ void acpi_gpe_apply_masked_gpes(void);
void acpi_container_init(void);
void acpi_memory_hotplug_init(void);
#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
+void pci_ioapic_remove(struct acpi_pci_root *root);
int acpi_ioapic_remove(struct acpi_pci_root *root);
#else
+static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; }
static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
#endif
#ifdef CONFIG_ACPI_DOCK
diff --git a/drivers/acpi/ioapic.c b/drivers/acpi/ioapic.c
index 6d7ce6e12aaa..1120dfd625b8 100644
--- a/drivers/acpi/ioapic.c
+++ b/drivers/acpi/ioapic.c
@@ -206,24 +206,34 @@ int acpi_ioapic_add(acpi_handle root_handle)
return ACPI_SUCCESS(status) && ACPI_SUCCESS(retval) ? 0 : -ENODEV;
}
-int acpi_ioapic_remove(struct acpi_pci_root *root)
+void pci_ioapic_remove(struct acpi_pci_root *root)
{
- int retval = 0;
struct acpi_pci_ioapic *ioapic, *tmp;
mutex_lock(&ioapic_list_lock);
list_for_each_entry_safe(ioapic, tmp, &ioapic_list, list) {
if (root->device->handle != ioapic->root_handle)
continue;
-
- if (acpi_unregister_ioapic(ioapic->handle, ioapic->gsi_base))
- retval = -EBUSY;
-
if (ioapic->pdev) {
pci_release_region(ioapic->pdev, 0);
pci_disable_device(ioapic->pdev);
pci_dev_put(ioapic->pdev);
}
+ }
+ mutex_unlock(&ioapic_list_lock);
+}
+
+int acpi_ioapic_remove(struct acpi_pci_root *root)
+{
+ int retval = 0;
+ struct acpi_pci_ioapic *ioapic, *tmp;
+
+ mutex_lock(&ioapic_list_lock);
+ list_for_each_entry_safe(ioapic, tmp, &ioapic_list, list) {
+ if (root->device->handle != ioapic->root_handle)
+ continue;
+ if (acpi_unregister_ioapic(ioapic->handle, ioapic->gsi_base))
+ retval = -EBUSY;
if (ioapic->res.flags && ioapic->res.parent)
release_resource(&ioapic->res);
list_del(&ioapic->list);
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index bf601d4df8cf..919be0aa2578 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -648,12 +648,12 @@ static void acpi_pci_root_remove(struct acpi_device *device)
pci_stop_root_bus(root->bus);
- WARN_ON(acpi_ioapic_remove(root));
-
+ pci_ioapic_remove(root);
device_set_run_wake(root->bus->bridge, false);
pci_acpi_remove_bus_pm_notifier(device);
pci_remove_root_bus(root->bus);
+ WARN_ON(acpi_ioapic_remove(root));
dmar_device_remove(device->handle);
diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c
index 85d833289f28..4c96f3ac4976 100644
--- a/drivers/ata/ahci_qoriq.c
+++ b/drivers/ata/ahci_qoriq.c
@@ -177,7 +177,8 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
case AHCI_LS1043A:
if (!qpriv->ecc_addr)
return -EINVAL;
- writel(ECC_DIS_ARMV8_CH2, qpriv->ecc_addr);
+ writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2,
+ qpriv->ecc_addr);
writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
if (qpriv->is_dmacoherent)
@@ -194,7 +195,8 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv)
case AHCI_LS1046A:
if (!qpriv->ecc_addr)
return -EINVAL;
- writel(ECC_DIS_ARMV8_CH2, qpriv->ecc_addr);
+ writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2,
+ qpriv->ecc_addr);
writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1);
writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS);
if (qpriv->is_dmacoherent)
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 2bd92dca3e62..274d6d7193d7 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1482,7 +1482,6 @@ unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc)
break;
default:
- WARN_ON_ONCE(1);
return AC_ERR_SYSTEM;
}
diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c
index 46698232e6bf..19e6e539a061 100644
--- a/drivers/ata/libata-transport.c
+++ b/drivers/ata/libata-transport.c
@@ -224,7 +224,6 @@ static DECLARE_TRANSPORT_CLASS(ata_port_class,
static void ata_tport_release(struct device *dev)
{
- put_device(dev->parent);
}
/**
@@ -284,7 +283,7 @@ int ata_tport_add(struct device *parent,
device_initialize(dev);
dev->type = &ata_port_type;
- dev->parent = get_device(parent);
+ dev->parent = parent;
dev->release = ata_tport_release;
dev_set_name(dev, "ata%d", ap->print_id);
transport_setup_device(dev);
@@ -348,7 +347,6 @@ static DECLARE_TRANSPORT_CLASS(ata_link_class,
static void ata_tlink_release(struct device *dev)
{
- put_device(dev->parent);
}
/**
@@ -410,7 +408,7 @@ int ata_tlink_add(struct ata_link *link)
int error;
device_initialize(dev);
- dev->parent = get_device(&ap->tdev);
+ dev->parent = &ap->tdev;
dev->release = ata_tlink_release;
if (ata_is_host_link(link))
dev_set_name(dev, "link%d", ap->print_id);
@@ -589,7 +587,6 @@ static DECLARE_TRANSPORT_CLASS(ata_dev_class,
static void ata_tdev_release(struct device *dev)
{
- put_device(dev->parent);
}
/**
@@ -662,7 +659,7 @@ static int ata_tdev_add(struct ata_device *ata_dev)
int error;
device_initialize(dev);
- dev->parent = get_device(&link->tdev);
+ dev->parent = &link->tdev;
dev->release = ata_tdev_release;
if (ata_is_host_link(link))
dev_set_name(dev, "dev%d.%d", ap->print_id,ata_dev->devno);
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 10aed84244f5..939641d6e262 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -50,7 +50,7 @@
the slower the port i/o. In some cases, setting
this to zero will speed up the device. (default -1)
- major You may use this parameter to overide the
+ major You may use this parameter to override the
default major number (46) that this driver
will use. Be sure to change the device
name as well.
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 644ba0888bd4..9cfd2e06a649 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -61,7 +61,7 @@
first drive found.
- major You may use this parameter to overide the
+ major You may use this parameter to override the
default major number (45) that this driver
will use. Be sure to change the device
name as well.
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index ed93e8badf56..14c5d32f5d8b 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -59,7 +59,7 @@
the slower the port i/o. In some cases, setting
this to zero will speed up the device. (default -1)
- major You may use this parameter to overide the
+ major You may use this parameter to override the
default major number (47) that this driver
will use. Be sure to change the device
name as well.
diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c
index 5db955fe3a94..3b5882bfb736 100644
--- a/drivers/block/paride/pg.c
+++ b/drivers/block/paride/pg.c
@@ -84,7 +84,7 @@
the slower the port i/o. In some cases, setting
this to zero will speed up the device. (default -1)
- major You may use this parameter to overide the
+ major You may use this parameter to override the
default major number (97) that this driver
will use. Be sure to change the device
name as well.
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 61fc6824299a..e815312a00ad 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -61,7 +61,7 @@
the slower the port i/o. In some cases, setting
this to zero will speed up the device. (default -1)
- major You may use this parameter to overide the
+ major You may use this parameter to override the
default major number (96) that this driver
will use. Be sure to change the device
name as well.
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 4d6807723798..517838b65964 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -120,10 +120,11 @@ static int atomic_dec_return_safe(atomic_t *v)
/* Feature bits */
-#define RBD_FEATURE_LAYERING (1<<0)
-#define RBD_FEATURE_STRIPINGV2 (1<<1)
-#define RBD_FEATURE_EXCLUSIVE_LOCK (1<<2)
-#define RBD_FEATURE_DATA_POOL (1<<7)
+#define RBD_FEATURE_LAYERING (1ULL<<0)
+#define RBD_FEATURE_STRIPINGV2 (1ULL<<1)
+#define RBD_FEATURE_EXCLUSIVE_LOCK (1ULL<<2)
+#define RBD_FEATURE_DATA_POOL (1ULL<<7)
+
#define RBD_FEATURES_ALL (RBD_FEATURE_LAYERING | \
RBD_FEATURE_STRIPINGV2 | \
RBD_FEATURE_EXCLUSIVE_LOCK | \
@@ -499,16 +500,23 @@ static bool rbd_is_lock_owner(struct rbd_device *rbd_dev)
return is_lock_owner;
}
+static ssize_t rbd_supported_features_show(struct bus_type *bus, char *buf)
+{
+ return sprintf(buf, "0x%llx\n", RBD_FEATURES_SUPPORTED);
+}
+
static BUS_ATTR(add, S_IWUSR, NULL, rbd_add);
static BUS_ATTR(remove, S_IWUSR, NULL, rbd_remove);
static BUS_ATTR(add_single_major, S_IWUSR, NULL, rbd_add_single_major);
static BUS_ATTR(remove_single_major, S_IWUSR, NULL, rbd_remove_single_major);
+static BUS_ATTR(supported_features, S_IRUGO, rbd_supported_features_show, NULL);
static struct attribute *rbd_bus_attrs[] = {
&bus_attr_add.attr,
&bus_attr_remove.attr,
&bus_attr_add_single_major.attr,
&bus_attr_remove_single_major.attr,
+ &bus_attr_supported_features.attr,
NULL,
};
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index e27d89a36c34..dceb5edd1e54 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1189,6 +1189,8 @@ static int zram_add(void)
blk_queue_io_min(zram->disk->queue, PAGE_SIZE);
blk_queue_io_opt(zram->disk->queue, PAGE_SIZE);
zram->disk->queue->limits.discard_granularity = PAGE_SIZE;
+ zram->disk->queue->limits.max_sectors = SECTORS_PER_PAGE;
+ zram->disk->queue->limits.chunk_sectors = 0;
blk_queue_max_discard_sectors(zram->disk->queue, UINT_MAX);
/*
* zram_bio_discard() will clear all logical blocks if logical block
diff --git a/drivers/char/nwbutton.c b/drivers/char/nwbutton.c
index a5b1eb276c0b..e6d0d271c58c 100644
--- a/drivers/char/nwbutton.c
+++ b/drivers/char/nwbutton.c
@@ -6,7 +6,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
+#include <linux/sched/signal.h>
#include <linux/interrupt.h>
#include <linux/time.h>
#include <linux/timer.h>
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 1ef26403bcc8..0ab024918907 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -313,13 +313,6 @@ static int random_read_wakeup_bits = 64;
static int random_write_wakeup_bits = 28 * OUTPUT_POOL_WORDS;
/*
- * The minimum number of seconds between urandom pool reseeding. We
- * do this to limit the amount of entropy that can be drained from the
- * input pool even if there are heavy demands on /dev/urandom.
- */
-static int random_min_urandom_seed = 60;
-
-/*
* Originally, we used a primitive polynomial of degree .poolwords
* over GF(2). The taps for various sizes are defined below. They
* were chosen to be evenly spaced except for the last tap, which is 1
@@ -409,7 +402,6 @@ static struct poolinfo {
*/
static DECLARE_WAIT_QUEUE_HEAD(random_read_wait);
static DECLARE_WAIT_QUEUE_HEAD(random_write_wait);
-static DECLARE_WAIT_QUEUE_HEAD(urandom_init_wait);
static struct fasync_struct *fasync;
static DEFINE_SPINLOCK(random_ready_list_lock);
@@ -467,7 +459,6 @@ struct entropy_store {
int entropy_count;
int entropy_total;
unsigned int initialized:1;
- unsigned int limit:1;
unsigned int last_data_init:1;
__u8 last_data[EXTRACT_SIZE];
};
@@ -485,7 +476,6 @@ static __u32 blocking_pool_data[OUTPUT_POOL_WORDS] __latent_entropy;
static struct entropy_store input_pool = {
.poolinfo = &poolinfo_table[0],
.name = "input",
- .limit = 1,
.lock = __SPIN_LOCK_UNLOCKED(input_pool.lock),
.pool = input_pool_data
};
@@ -493,7 +483,6 @@ static struct entropy_store input_pool = {
static struct entropy_store blocking_pool = {
.poolinfo = &poolinfo_table[1],
.name = "blocking",
- .limit = 1,
.pull = &input_pool,
.lock = __SPIN_LOCK_UNLOCKED(blocking_pool.lock),
.pool = blocking_pool_data,
@@ -855,13 +844,6 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r)
spin_unlock_irqrestore(&primary_crng.lock, flags);
}
-static inline void maybe_reseed_primary_crng(void)
-{
- if (crng_init > 2 &&
- time_after(jiffies, primary_crng.init_time + CRNG_RESEED_INTERVAL))
- crng_reseed(&primary_crng, &input_pool);
-}
-
static inline void crng_wait_ready(void)
{
wait_event_interruptible(crng_init_wait, crng_ready());
@@ -1220,15 +1202,6 @@ static void xfer_secondary_pool(struct entropy_store *r, size_t nbytes)
r->entropy_count > r->poolinfo->poolfracbits)
return;
- if (r->limit == 0 && random_min_urandom_seed) {
- unsigned long now = jiffies;
-
- if (time_before(now,
- r->last_pulled + random_min_urandom_seed * HZ))
- return;
- r->last_pulled = now;
- }
-
_xfer_secondary_pool(r, nbytes);
}
@@ -1236,8 +1209,6 @@ static void _xfer_secondary_pool(struct entropy_store *r, size_t nbytes)
{
__u32 tmp[OUTPUT_POOL_WORDS];
- /* For /dev/random's pool, always leave two wakeups' worth */
- int rsvd_bytes = r->limit ? 0 : random_read_wakeup_bits / 4;
int bytes = nbytes;
/* pull at least as much as a wakeup */
@@ -1248,7 +1219,7 @@ static void _xfer_secondary_pool(struct entropy_store *r, size_t nbytes)
trace_xfer_secondary_pool(r->name, bytes * 8, nbytes * 8,
ENTROPY_BITS(r), ENTROPY_BITS(r->pull));
bytes = extract_entropy(r->pull, tmp, bytes,
- random_read_wakeup_bits / 8, rsvd_bytes);
+ random_read_wakeup_bits / 8, 0);
mix_pool_bytes(r, tmp, bytes);
credit_entropy_bits(r, bytes*8);
}
@@ -1276,7 +1247,7 @@ static void push_to_pool(struct work_struct *work)
static size_t account(struct entropy_store *r, size_t nbytes, int min,
int reserved)
{
- int entropy_count, orig;
+ int entropy_count, orig, have_bytes;
size_t ibytes, nfrac;
BUG_ON(r->entropy_count > r->poolinfo->poolfracbits);
@@ -1285,14 +1256,12 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min,
retry:
entropy_count = orig = ACCESS_ONCE(r->entropy_count);
ibytes = nbytes;
- /* If limited, never pull more than available */
- if (r->limit) {
- int have_bytes = entropy_count >> (ENTROPY_SHIFT + 3);
+ /* never pull more than available */
+ have_bytes = entropy_count >> (ENTROPY_SHIFT + 3);
- if ((have_bytes -= reserved) < 0)
- have_bytes = 0;
- ibytes = min_t(size_t, ibytes, have_bytes);
- }
+ if ((have_bytes -= reserved) < 0)
+ have_bytes = 0;
+ ibytes = min_t(size_t, ibytes, have_bytes);
if (ibytes < min)
ibytes = 0;
@@ -1912,6 +1881,7 @@ SYSCALL_DEFINE3(getrandom, char __user *, buf, size_t, count,
static int min_read_thresh = 8, min_write_thresh;
static int max_read_thresh = OUTPUT_POOL_WORDS * 32;
static int max_write_thresh = INPUT_POOL_WORDS * 32;
+static int random_min_urandom_seed = 60;
static char sysctl_bootid[16];
/*
@@ -2042,63 +2012,64 @@ struct ctl_table random_table[] = {
};
#endif /* CONFIG_SYSCTL */
-static u32 random_int_secret[MD5_MESSAGE_BYTES / 4] ____cacheline_aligned;
-
-int random_int_secret_init(void)
-{
- get_random_bytes(random_int_secret, sizeof(random_int_secret));
- return 0;
-}
-
-static DEFINE_PER_CPU(__u32 [MD5_DIGEST_WORDS], get_random_int_hash)
- __aligned(sizeof(unsigned long));
+struct batched_entropy {
+ union {
+ u64 entropy_u64[CHACHA20_BLOCK_SIZE / sizeof(u64)];
+ u32 entropy_u32[CHACHA20_BLOCK_SIZE / sizeof(u32)];
+ };
+ unsigned int position;
+};
/*
- * Get a random word for internal kernel use only. Similar to urandom but
- * with the goal of minimal entropy pool depletion. As a result, the random
- * value is not cryptographically secure but for several uses the cost of
- * depleting entropy is too high
+ * Get a random word for internal kernel use only. The quality of the random
+ * number is either as good as RDRAND or as good as /dev/urandom, with the
+ * goal of being quite fast and not depleting entropy.
*/
-unsigned int get_random_int(void)
+static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u64);
+u64 get_random_u64(void)
{
- __u32 *hash;
- unsigned int ret;
+ u64 ret;
+ struct batched_entropy *batch;
- if (arch_get_random_int(&ret))
+#if BITS_PER_LONG == 64
+ if (arch_get_random_long((unsigned long *)&ret))
return ret;
+#else
+ if (arch_get_random_long((unsigned long *)&ret) &&
+ arch_get_random_long((unsigned long *)&ret + 1))
+ return ret;
+#endif
- hash = get_cpu_var(get_random_int_hash);
-
- hash[0] += current->pid + jiffies + random_get_entropy();
- md5_transform(hash, random_int_secret);
- ret = hash[0];
- put_cpu_var(get_random_int_hash);
-
+ batch = &get_cpu_var(batched_entropy_u64);
+ if (batch->position % ARRAY_SIZE(batch->entropy_u64) == 0) {
+ extract_crng((u8 *)batch->entropy_u64);
+ batch->position = 0;
+ }
+ ret = batch->entropy_u64[batch->position++];
+ put_cpu_var(batched_entropy_u64);
return ret;
}
-EXPORT_SYMBOL(get_random_int);
+EXPORT_SYMBOL(get_random_u64);
-/*
- * Same as get_random_int(), but returns unsigned long.
- */
-unsigned long get_random_long(void)
+static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u32);
+u32 get_random_u32(void)
{
- __u32 *hash;
- unsigned long ret;
+ u32 ret;
+ struct batched_entropy *batch;
- if (arch_get_random_long(&ret))
+ if (arch_get_random_int(&ret))
return ret;
- hash = get_cpu_var(get_random_int_hash);
-
- hash[0] += current->pid + jiffies + random_get_entropy();
- md5_transform(hash, random_int_secret);
- ret = *(unsigned long *)hash;
- put_cpu_var(get_random_int_hash);
-
+ batch = &get_cpu_var(batched_entropy_u32);
+ if (batch->position % ARRAY_SIZE(batch->entropy_u32) == 0) {
+ extract_crng((u8 *)batch->entropy_u32);
+ batch->position = 0;
+ }
+ ret = batch->entropy_u32[batch->position++];
+ put_cpu_var(batched_entropy_u32);
return ret;
}
-EXPORT_SYMBOL(get_random_long);
+EXPORT_SYMBOL(get_random_u32);
/**
* randomize_page - Generate a random, page aligned address
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index a47543281864..38b9fdf854a4 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2532,4 +2532,5 @@ static int __init cpufreq_core_init(void)
return 0;
}
+module_param(off, int, 0444);
core_initcall(cpufreq_core_init);
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index b1fbaa30ae04..3d37219a0dd7 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -377,6 +377,7 @@ static void intel_pstate_set_performance_limits(struct perf_limits *limits)
intel_pstate_init_limits(limits);
limits->min_perf_pct = 100;
limits->min_perf = int_ext_tofp(1);
+ limits->min_sysfs_pct = 100;
}
static DEFINE_MUTEX(intel_pstate_driver_lock);
@@ -968,11 +969,20 @@ static int intel_pstate_resume(struct cpufreq_policy *policy)
}
static void intel_pstate_update_policies(void)
+ __releases(&intel_pstate_limits_lock)
+ __acquires(&intel_pstate_limits_lock)
{
+ struct perf_limits *saved_limits = limits;
int cpu;
+ mutex_unlock(&intel_pstate_limits_lock);
+
for_each_possible_cpu(cpu)
cpufreq_update_policy(cpu);
+
+ mutex_lock(&intel_pstate_limits_lock);
+
+ limits = saved_limits;
}
/************************** debugfs begin ************************/
@@ -1180,10 +1190,10 @@ static ssize_t store_no_turbo(struct kobject *a, struct attribute *b,
limits->no_turbo = clamp_t(int, input, 0, 1);
- mutex_unlock(&intel_pstate_limits_lock);
-
intel_pstate_update_policies();
+ mutex_unlock(&intel_pstate_limits_lock);
+
mutex_unlock(&intel_pstate_driver_lock);
return count;
@@ -1217,10 +1227,10 @@ static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b,
limits->max_perf_pct);
limits->max_perf = div_ext_fp(limits->max_perf_pct, 100);
- mutex_unlock(&intel_pstate_limits_lock);
-
intel_pstate_update_policies();
+ mutex_unlock(&intel_pstate_limits_lock);
+
mutex_unlock(&intel_pstate_driver_lock);
return count;
@@ -1254,10 +1264,10 @@ static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b,
limits->min_perf_pct);
limits->min_perf = div_ext_fp(limits->min_perf_pct, 100);
- mutex_unlock(&intel_pstate_limits_lock);
-
intel_pstate_update_policies();
+ mutex_unlock(&intel_pstate_limits_lock);
+
mutex_unlock(&intel_pstate_driver_lock);
return count;
@@ -1874,13 +1884,11 @@ static int intel_pstate_prepare_request(struct cpudata *cpu, int pstate)
intel_pstate_get_min_max(cpu, &min_perf, &max_perf);
pstate = clamp_t(int, pstate, min_perf, max_perf);
- trace_cpu_frequency(pstate * cpu->pstate.scaling, cpu->cpu);
return pstate;
}
static void intel_pstate_update_pstate(struct cpudata *cpu, int pstate)
{
- pstate = intel_pstate_prepare_request(cpu, pstate);
if (pstate == cpu->pstate.current_pstate)
return;
@@ -1900,6 +1908,8 @@ static inline void intel_pstate_adjust_busy_pstate(struct cpudata *cpu)
update_turbo_state();
+ target_pstate = intel_pstate_prepare_request(cpu, target_pstate);
+ trace_cpu_frequency(target_pstate * cpu->pstate.scaling, cpu->cpu);
intel_pstate_update_pstate(cpu, target_pstate);
sample = &cpu->sample;
@@ -2132,16 +2142,11 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
mutex_lock(&intel_pstate_limits_lock);
if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) {
+ pr_debug("set performance\n");
if (!perf_limits) {
limits = &performance_limits;
perf_limits = limits;
}
- if (policy->max >= policy->cpuinfo.max_freq &&
- !limits->no_turbo) {
- pr_debug("set performance\n");
- intel_pstate_set_performance_limits(perf_limits);
- goto out;
- }
} else {
pr_debug("set powersave\n");
if (!perf_limits) {
@@ -2152,7 +2157,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
}
intel_pstate_update_perf_limits(policy, perf_limits);
- out:
+
if (cpu->policy == CPUFREQ_POLICY_PERFORMANCE) {
/*
* NOHZ_FULL CPUs need this as the governor callback may not
@@ -2198,9 +2203,9 @@ static int intel_pstate_verify_policy(struct cpufreq_policy *policy)
unsigned int max_freq, min_freq;
max_freq = policy->cpuinfo.max_freq *
- limits->max_sysfs_pct / 100;
+ perf_limits->max_sysfs_pct / 100;
min_freq = policy->cpuinfo.max_freq *
- limits->min_sysfs_pct / 100;
+ perf_limits->min_sysfs_pct / 100;
cpufreq_verify_within_limits(policy, min_freq, max_freq);
}
@@ -2243,13 +2248,8 @@ static int __intel_pstate_cpu_init(struct cpufreq_policy *policy)
cpu = all_cpu_data[policy->cpu];
- /*
- * We need sane value in the cpu->perf_limits, so inherit from global
- * perf_limits limits, which are seeded with values based on the
- * CONFIG_CPU_FREQ_DEFAULT_GOV_*, during boot up.
- */
if (per_cpu_limits)
- memcpy(cpu->perf_limits, limits, sizeof(struct perf_limits));
+ intel_pstate_init_limits(cpu->perf_limits);
policy->min = cpu->pstate.min_pstate * cpu->pstate.scaling;
policy->max = cpu->pstate.turbo_pstate * cpu->pstate.scaling;
@@ -2301,7 +2301,6 @@ static struct cpufreq_driver intel_pstate = {
static int intel_cpufreq_verify_policy(struct cpufreq_policy *policy)
{
struct cpudata *cpu = all_cpu_data[policy->cpu];
- struct perf_limits *perf_limits = limits;
update_turbo_state();
policy->cpuinfo.max_freq = limits->turbo_disabled ?
@@ -2309,15 +2308,6 @@ static int intel_cpufreq_verify_policy(struct cpufreq_policy *policy)
cpufreq_verify_within_cpu_limits(policy);
- if (per_cpu_limits)
- perf_limits = cpu->perf_limits;
-
- mutex_lock(&intel_pstate_limits_lock);
-
- intel_pstate_update_perf_limits(policy, perf_limits);
-
- mutex_unlock(&intel_pstate_limits_lock);
-
return 0;
}
@@ -2370,6 +2360,7 @@ static int intel_cpufreq_target(struct cpufreq_policy *policy,
wrmsrl_on_cpu(policy->cpu, MSR_IA32_PERF_CTL,
pstate_funcs.get_val(cpu, target_pstate));
}
+ freqs.new = target_pstate * cpu->pstate.scaling;
cpufreq_freq_transition_end(policy, &freqs, false);
return 0;
@@ -2383,8 +2374,9 @@ static unsigned int intel_cpufreq_fast_switch(struct cpufreq_policy *policy,
target_freq = intel_cpufreq_turbo_update(cpu, policy, target_freq);
target_pstate = DIV_ROUND_UP(target_freq, cpu->pstate.scaling);
+ target_pstate = intel_pstate_prepare_request(cpu, target_pstate);
intel_pstate_update_pstate(cpu, target_pstate);
- return target_freq;
+ return target_pstate * cpu->pstate.scaling;
}
static int intel_cpufreq_cpu_init(struct cpufreq_policy *policy)
@@ -2437,8 +2429,11 @@ static int intel_pstate_register_driver(void)
intel_pstate_init_limits(&powersave_limits);
intel_pstate_set_performance_limits(&performance_limits);
- limits = IS_ENABLED(CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE) ?
- &performance_limits : &powersave_limits;
+ if (IS_ENABLED(CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE) &&
+ intel_pstate_driver == &intel_pstate)
+ limits = &performance_limits;
+ else
+ limits = &powersave_limits;
ret = cpufreq_register_driver(intel_pstate_driver);
if (ret) {
diff --git a/drivers/crypto/ux500/cryp/cryp.c b/drivers/crypto/ux500/cryp/cryp.c
index 43a0c8a26ab0..00a16ab601cb 100644
--- a/drivers/crypto/ux500/cryp/cryp.c
+++ b/drivers/crypto/ux500/cryp/cryp.c
@@ -82,7 +82,7 @@ void cryp_activity(struct cryp_device_data *device_data,
void cryp_flush_inoutfifo(struct cryp_device_data *device_data)
{
/*
- * We always need to disble the hardware before trying to flush the
+ * We always need to disable the hardware before trying to flush the
* FIFO. This is something that isn't written in the design
* specification, but we have been informed by the hardware designers
* that this must be done.
diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c
index 349dc3e1e52e..974c5a31a005 100644
--- a/drivers/firmware/efi/arm-runtime.c
+++ b/drivers/firmware/efi/arm-runtime.c
@@ -65,6 +65,7 @@ static bool __init efi_virtmap_init(void)
bool systab_found;
efi_mm.pgd = pgd_alloc(&efi_mm);
+ mm_init_cpumask(&efi_mm);
init_new_context(NULL, &efi_mm);
systab_found = false;
diff --git a/drivers/firmware/efi/libstub/secureboot.c b/drivers/firmware/efi/libstub/secureboot.c
index 6def402bf569..5da36e56b36a 100644
--- a/drivers/firmware/efi/libstub/secureboot.c
+++ b/drivers/firmware/efi/libstub/secureboot.c
@@ -45,6 +45,8 @@ enum efi_secureboot_mode efi_get_secureboot(efi_system_table_t *sys_table_arg)
size = sizeof(secboot);
status = get_efi_var(efi_SecureBoot_name, &efi_variable_guid,
NULL, &size, &secboot);
+ if (status == EFI_NOT_FOUND)
+ return efi_secureboot_mode_disabled;
if (status != EFI_SUCCESS)
goto out_efi_err;
@@ -78,7 +80,5 @@ secure_boot_enabled:
out_efi_err:
pr_efi_err(sys_table_arg, "Could not determine UEFI Secure Boot status.\n");
- if (status == EFI_NOT_FOUND)
- return efi_secureboot_mode_disabled;
return efi_secureboot_mode_unknown;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 6abb238b25c9..4120b351a8e5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2094,8 +2094,11 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon)
}
r = amdgpu_late_init(adev);
- if (r)
+ if (r) {
+ if (fbcon)
+ console_unlock();
return r;
+ }
/* pin cursors */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 75fc376ba735..f7adbace428a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -59,9 +59,10 @@
* - 3.7.0 - Add support for VCE clock list packet
* - 3.8.0 - Add support raster config init in the kernel
* - 3.9.0 - Add support for memory query info about VRAM and GTT.
+ * - 3.10.0 - Add support for new fences ioctl, new gem ioctl flags
*/
#define KMS_DRIVER_MAJOR 3
-#define KMS_DRIVER_MINOR 9
+#define KMS_DRIVER_MINOR 10
#define KMS_DRIVER_PATCHLEVEL 0
int amdgpu_vram_limit = 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 51d759463384..106cf83c2e6b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -202,6 +202,27 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
bool kernel = false;
int r;
+ /* reject invalid gem flags */
+ if (args->in.domain_flags & ~(AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
+ AMDGPU_GEM_CREATE_NO_CPU_ACCESS |
+ AMDGPU_GEM_CREATE_CPU_GTT_USWC |
+ AMDGPU_GEM_CREATE_VRAM_CLEARED|
+ AMDGPU_GEM_CREATE_SHADOW |
+ AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS)) {
+ r = -EINVAL;
+ goto error_unlock;
+ }
+ /* reject invalid gem domains */
+ if (args->in.domains & ~(AMDGPU_GEM_DOMAIN_CPU |
+ AMDGPU_GEM_DOMAIN_GTT |
+ AMDGPU_GEM_DOMAIN_VRAM |
+ AMDGPU_GEM_DOMAIN_GDS |
+ AMDGPU_GEM_DOMAIN_GWS |
+ AMDGPU_GEM_DOMAIN_OA)) {
+ r = -EINVAL;
+ goto error_unlock;
+ }
+
/* create a gem object to contain this object in */
if (args->in.domains & (AMDGPU_GEM_DOMAIN_GDS |
AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA)) {
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index 31375bdde6f1..011800f621c6 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -788,7 +788,7 @@ static int sdma_v3_0_start(struct amdgpu_device *adev)
}
}
- /* disble sdma engine before programing it */
+ /* disable sdma engine before programing it */
sdma_v3_0_ctx_switch_enable(adev, false);
sdma_v3_0_enable(adev, false);
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index c8baab9bee0d..ba58f1b11d1e 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -148,6 +148,9 @@ static const struct edid_quirk {
/* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
{ "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
+
+ /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
+ { "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
};
/*
diff --git a/drivers/gpu/drm/i915/gvt/cfg_space.c b/drivers/gpu/drm/i915/gvt/cfg_space.c
index 4a6a2ed65732..b7d7721e72fa 100644
--- a/drivers/gpu/drm/i915/gvt/cfg_space.c
+++ b/drivers/gpu/drm/i915/gvt/cfg_space.c
@@ -41,6 +41,54 @@ enum {
INTEL_GVT_PCI_BAR_MAX,
};
+/* bitmap for writable bits (RW or RW1C bits, but cannot co-exist in one
+ * byte) byte by byte in standard pci configuration space. (not the full
+ * 256 bytes.)
+ */
+static const u8 pci_cfg_space_rw_bmp[PCI_INTERRUPT_LINE + 4] = {
+ [PCI_COMMAND] = 0xff, 0x07,
+ [PCI_STATUS] = 0x00, 0xf9, /* the only one RW1C byte */
+ [PCI_CACHE_LINE_SIZE] = 0xff,
+ [PCI_BASE_ADDRESS_0 ... PCI_CARDBUS_CIS - 1] = 0xff,
+ [PCI_ROM_ADDRESS] = 0x01, 0xf8, 0xff, 0xff,
+ [PCI_INTERRUPT_LINE] = 0xff,
+};
+
+/**
+ * vgpu_pci_cfg_mem_write - write virtual cfg space memory
+ *
+ * Use this function to write virtual cfg space memory.
+ * For standard cfg space, only RW bits can be changed,
+ * and we emulates the RW1C behavior of PCI_STATUS register.
+ */
+static void vgpu_pci_cfg_mem_write(struct intel_vgpu *vgpu, unsigned int off,
+ u8 *src, unsigned int bytes)
+{
+ u8 *cfg_base = vgpu_cfg_space(vgpu);
+ u8 mask, new, old;
+ int i = 0;
+
+ for (; i < bytes && (off + i < sizeof(pci_cfg_space_rw_bmp)); i++) {
+ mask = pci_cfg_space_rw_bmp[off + i];
+ old = cfg_base[off + i];
+ new = src[i] & mask;
+
+ /**
+ * The PCI_STATUS high byte has RW1C bits, here
+ * emulates clear by writing 1 for these bits.
+ * Writing a 0b to RW1C bits has no effect.
+ */
+ if (off + i == PCI_STATUS + 1)
+ new = (~new & old) & mask;
+
+ cfg_base[off + i] = (old & ~mask) | new;
+ }
+
+ /* For other configuration space directly copy as it is. */
+ if (i < bytes)
+ memcpy(cfg_base + off + i, src + i, bytes - i);
+}
+
/**
* intel_vgpu_emulate_cfg_read - emulate vGPU configuration space read
*
@@ -123,7 +171,7 @@ static int emulate_pci_command_write(struct intel_vgpu *vgpu,
u8 changed = old ^ new;
int ret;
- memcpy(vgpu_cfg_space(vgpu) + offset, p_data, bytes);
+ vgpu_pci_cfg_mem_write(vgpu, offset, p_data, bytes);
if (!(changed & PCI_COMMAND_MEMORY))
return 0;
@@ -237,6 +285,9 @@ int intel_vgpu_emulate_cfg_write(struct intel_vgpu *vgpu, unsigned int offset,
{
int ret;
+ if (vgpu->failsafe)
+ return 0;
+
if (WARN_ON(bytes > 4))
return -EINVAL;
@@ -274,10 +325,10 @@ int intel_vgpu_emulate_cfg_write(struct intel_vgpu *vgpu, unsigned int offset,
if (ret)
return ret;
- memcpy(vgpu_cfg_space(vgpu) + offset, p_data, bytes);
+ vgpu_pci_cfg_mem_write(vgpu, offset, p_data, bytes);
break;
default:
- memcpy(vgpu_cfg_space(vgpu) + offset, p_data, bytes);
+ vgpu_pci_cfg_mem_write(vgpu, offset, p_data, bytes);
break;
}
return 0;
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index b9c8e2407682..7ae6e2b241c8 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -668,7 +668,7 @@ static inline void print_opcode(u32 cmd, int ring_id)
if (d_info == NULL)
return;
- gvt_err("opcode=0x%x %s sub_ops:",
+ gvt_dbg_cmd("opcode=0x%x %s sub_ops:",
cmd >> (32 - d_info->op_len), d_info->name);
for (i = 0; i < d_info->nr_sub_op; i++)
@@ -693,23 +693,23 @@ static void parser_exec_state_dump(struct parser_exec_state *s)
int cnt = 0;
int i;
- gvt_err(" vgpu%d RING%d: ring_start(%08lx) ring_end(%08lx)"
+ gvt_dbg_cmd(" vgpu%d RING%d: ring_start(%08lx) ring_end(%08lx)"
" ring_head(%08lx) ring_tail(%08lx)\n", s->vgpu->id,
s->ring_id, s->ring_start, s->ring_start + s->ring_size,
s->ring_head, s->ring_tail);
- gvt_err(" %s %s ip_gma(%08lx) ",
+ gvt_dbg_cmd(" %s %s ip_gma(%08lx) ",
s->buf_type == RING_BUFFER_INSTRUCTION ?
"RING_BUFFER" : "BATCH_BUFFER",
s->buf_addr_type == GTT_BUFFER ?
"GTT" : "PPGTT", s->ip_gma);
if (s->ip_va == NULL) {
- gvt_err(" ip_va(NULL)");
+ gvt_dbg_cmd(" ip_va(NULL)");
return;
}
- gvt_err(" ip_va=%p: %08x %08x %08x %08x\n",
+ gvt_dbg_cmd(" ip_va=%p: %08x %08x %08x %08x\n",
s->ip_va, cmd_val(s, 0), cmd_val(s, 1),
cmd_val(s, 2), cmd_val(s, 3));
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
index 6d8fde880c39..5419ae6ec633 100644
--- a/drivers/gpu/drm/i915/gvt/display.c
+++ b/drivers/gpu/drm/i915/gvt/display.c
@@ -83,44 +83,80 @@ static int pipe_is_enabled(struct intel_vgpu *vgpu, int pipe)
return 0;
}
+static unsigned char virtual_dp_monitor_edid[GVT_EDID_NUM][EDID_SIZE] = {
+ {
+/* EDID with 1024x768 as its resolution */
+ /*Header*/
+ 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
+ /* Vendor & Product Identification */
+ 0x22, 0xf0, 0x54, 0x29, 0x00, 0x00, 0x00, 0x00, 0x04, 0x17,
+ /* Version & Revision */
+ 0x01, 0x04,
+ /* Basic Display Parameters & Features */
+ 0xa5, 0x34, 0x20, 0x78, 0x23,
+ /* Color Characteristics */
+ 0xfc, 0x81, 0xa4, 0x55, 0x4d, 0x9d, 0x25, 0x12, 0x50, 0x54,
+ /* Established Timings: maximum resolution is 1024x768 */
+ 0x21, 0x08, 0x00,
+ /* Standard Timings. All invalid */
+ 0x00, 0xc0, 0x00, 0xc0, 0x00, 0x40, 0x00, 0x80, 0x00, 0x00,
+ 0x00, 0x40, 0x00, 0x00, 0x00, 0x01,
+ /* 18 Byte Data Blocks 1: invalid */
+ 0x00, 0x00, 0x80, 0xa0, 0x70, 0xb0,
+ 0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x06, 0x44, 0x21, 0x00, 0x00, 0x1a,
+ /* 18 Byte Data Blocks 2: invalid */
+ 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x3c, 0x18, 0x50, 0x11, 0x00, 0x0a,
+ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+ /* 18 Byte Data Blocks 3: invalid */
+ 0x00, 0x00, 0x00, 0xfc, 0x00, 0x48,
+ 0x50, 0x20, 0x5a, 0x52, 0x32, 0x34, 0x34, 0x30, 0x77, 0x0a, 0x20, 0x20,
+ /* 18 Byte Data Blocks 4: invalid */
+ 0x00, 0x00, 0x00, 0xff, 0x00, 0x43, 0x4e, 0x34, 0x33, 0x30, 0x34, 0x30,
+ 0x44, 0x58, 0x51, 0x0a, 0x20, 0x20,
+ /* Extension Block Count */
+ 0x00,
+ /* Checksum */
+ 0xef,
+ },
+ {
/* EDID with 1920x1200 as its resolution */
-static unsigned char virtual_dp_monitor_edid[] = {
- /*Header*/
- 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
- /* Vendor & Product Identification */
- 0x22, 0xf0, 0x54, 0x29, 0x00, 0x00, 0x00, 0x00, 0x04, 0x17,
- /* Version & Revision */
- 0x01, 0x04,
- /* Basic Display Parameters & Features */
- 0xa5, 0x34, 0x20, 0x78, 0x23,
- /* Color Characteristics */
- 0xfc, 0x81, 0xa4, 0x55, 0x4d, 0x9d, 0x25, 0x12, 0x50, 0x54,
- /* Established Timings: maximum resolution is 1024x768 */
- 0x21, 0x08, 0x00,
- /*
- * Standard Timings.
- * below new resolutions can be supported:
- * 1920x1080, 1280x720, 1280x960, 1280x1024,
- * 1440x900, 1600x1200, 1680x1050
- */
- 0xd1, 0xc0, 0x81, 0xc0, 0x81, 0x40, 0x81, 0x80, 0x95, 0x00,
- 0xa9, 0x40, 0xb3, 0x00, 0x01, 0x01,
- /* 18 Byte Data Blocks 1: max resolution is 1920x1200 */
- 0x28, 0x3c, 0x80, 0xa0, 0x70, 0xb0,
- 0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x06, 0x44, 0x21, 0x00, 0x00, 0x1a,
- /* 18 Byte Data Blocks 2: invalid */
- 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x3c, 0x18, 0x50, 0x11, 0x00, 0x0a,
- 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
- /* 18 Byte Data Blocks 3: invalid */
- 0x00, 0x00, 0x00, 0xfc, 0x00, 0x48,
- 0x50, 0x20, 0x5a, 0x52, 0x32, 0x34, 0x34, 0x30, 0x77, 0x0a, 0x20, 0x20,
- /* 18 Byte Data Blocks 4: invalid */
- 0x00, 0x00, 0x00, 0xff, 0x00, 0x43, 0x4e, 0x34, 0x33, 0x30, 0x34, 0x30,
- 0x44, 0x58, 0x51, 0x0a, 0x20, 0x20,
- /* Extension Block Count */
- 0x00,
- /* Checksum */
- 0x45,
+ /*Header*/
+ 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
+ /* Vendor & Product Identification */
+ 0x22, 0xf0, 0x54, 0x29, 0x00, 0x00, 0x00, 0x00, 0x04, 0x17,
+ /* Version & Revision */
+ 0x01, 0x04,
+ /* Basic Display Parameters & Features */
+ 0xa5, 0x34, 0x20, 0x78, 0x23,
+ /* Color Characteristics */
+ 0xfc, 0x81, 0xa4, 0x55, 0x4d, 0x9d, 0x25, 0x12, 0x50, 0x54,
+ /* Established Timings: maximum resolution is 1024x768 */
+ 0x21, 0x08, 0x00,
+ /*
+ * Standard Timings.
+ * below new resolutions can be supported:
+ * 1920x1080, 1280x720, 1280x960, 1280x1024,
+ * 1440x900, 1600x1200, 1680x1050
+ */
+ 0xd1, 0xc0, 0x81, 0xc0, 0x81, 0x40, 0x81, 0x80, 0x95, 0x00,
+ 0xa9, 0x40, 0xb3, 0x00, 0x01, 0x01,
+ /* 18 Byte Data Blocks 1: max resolution is 1920x1200 */
+ 0x28, 0x3c, 0x80, 0xa0, 0x70, 0xb0,
+ 0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x06, 0x44, 0x21, 0x00, 0x00, 0x1a,
+ /* 18 Byte Data Blocks 2: invalid */
+ 0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x3c, 0x18, 0x50, 0x11, 0x00, 0x0a,
+ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+ /* 18 Byte Data Blocks 3: invalid */
+ 0x00, 0x00, 0x00, 0xfc, 0x00, 0x48,
+ 0x50, 0x20, 0x5a, 0x52, 0x32, 0x34, 0x34, 0x30, 0x77, 0x0a, 0x20, 0x20,
+ /* 18 Byte Data Blocks 4: invalid */
+ 0x00, 0x00, 0x00, 0xff, 0x00, 0x43, 0x4e, 0x34, 0x33, 0x30, 0x34, 0x30,
+ 0x44, 0x58, 0x51, 0x0a, 0x20, 0x20,
+ /* Extension Block Count */
+ 0x00,
+ /* Checksum */
+ 0x45,
+ },
};
#define DPCD_HEADER_SIZE 0xb
@@ -140,14 +176,20 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
vgpu_vreg(vgpu, SDEISR) &= ~(SDE_PORTA_HOTPLUG_SPT |
SDE_PORTE_HOTPLUG_SPT);
- if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B))
+ if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B)) {
vgpu_vreg(vgpu, SDEISR) |= SDE_PORTB_HOTPLUG_CPT;
+ vgpu_vreg(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIB_DETECTED;
+ }
- if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C))
+ if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C)) {
vgpu_vreg(vgpu, SDEISR) |= SDE_PORTC_HOTPLUG_CPT;
+ vgpu_vreg(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIC_DETECTED;
+ }
- if (intel_vgpu_has_monitor_on_port(vgpu, PORT_D))
+ if (intel_vgpu_has_monitor_on_port(vgpu, PORT_D)) {
vgpu_vreg(vgpu, SDEISR) |= SDE_PORTD_HOTPLUG_CPT;
+ vgpu_vreg(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDID_DETECTED;
+ }
if (IS_SKYLAKE(dev_priv) &&
intel_vgpu_has_monitor_on_port(vgpu, PORT_E)) {
@@ -160,6 +202,8 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
GEN8_PORT_DP_A_HOTPLUG;
else
vgpu_vreg(vgpu, SDEISR) |= SDE_PORTA_HOTPLUG_SPT;
+
+ vgpu_vreg(vgpu, DDI_BUF_CTL(PORT_A)) |= DDI_INIT_DISPLAY_DETECTED;
}
}
@@ -175,10 +219,13 @@ static void clean_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num)
}
static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num,
- int type)
+ int type, unsigned int resolution)
{
struct intel_vgpu_port *port = intel_vgpu_port(vgpu, port_num);
+ if (WARN_ON(resolution >= GVT_EDID_NUM))
+ return -EINVAL;
+
port->edid = kzalloc(sizeof(*(port->edid)), GFP_KERNEL);
if (!port->edid)
return -ENOMEM;
@@ -189,7 +236,7 @@ static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num,
return -ENOMEM;
}
- memcpy(port->edid->edid_block, virtual_dp_monitor_edid,
+ memcpy(port->edid->edid_block, virtual_dp_monitor_edid[resolution],
EDID_SIZE);
port->edid->data_valid = true;
@@ -322,16 +369,18 @@ void intel_vgpu_clean_display(struct intel_vgpu *vgpu)
* Zero on success, negative error code if failed.
*
*/
-int intel_vgpu_init_display(struct intel_vgpu *vgpu)
+int intel_vgpu_init_display(struct intel_vgpu *vgpu, u64 resolution)
{
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
intel_vgpu_init_i2c_edid(vgpu);
if (IS_SKYLAKE(dev_priv))
- return setup_virtual_dp_monitor(vgpu, PORT_D, GVT_DP_D);
+ return setup_virtual_dp_monitor(vgpu, PORT_D, GVT_DP_D,
+ resolution);
else
- return setup_virtual_dp_monitor(vgpu, PORT_B, GVT_DP_B);
+ return setup_virtual_dp_monitor(vgpu, PORT_B, GVT_DP_B,
+ resolution);
}
/**
diff --git a/drivers/gpu/drm/i915/gvt/display.h b/drivers/gpu/drm/i915/gvt/display.h
index 8b234ea961f6..d73de22102e2 100644
--- a/drivers/gpu/drm/i915/gvt/display.h
+++ b/drivers/gpu/drm/i915/gvt/display.h
@@ -154,10 +154,28 @@ struct intel_vgpu_port {
int type;
};
+enum intel_vgpu_edid {
+ GVT_EDID_1024_768,
+ GVT_EDID_1920_1200,
+ GVT_EDID_NUM,
+};
+
+static inline char *vgpu_edid_str(enum intel_vgpu_edid id)
+{
+ switch (id) {
+ case GVT_EDID_1024_768:
+ return "1024x768";
+ case GVT_EDID_1920_1200:
+ return "1920x1200";
+ default:
+ return "";
+ }
+}
+
void intel_gvt_emulate_vblank(struct intel_gvt *gvt);
void intel_gvt_check_vblank_emulation(struct intel_gvt *gvt);
-int intel_vgpu_init_display(struct intel_vgpu *vgpu);
+int intel_vgpu_init_display(struct intel_vgpu *vgpu, u64 resolution);
void intel_vgpu_reset_display(struct intel_vgpu *vgpu);
void intel_vgpu_clean_display(struct intel_vgpu *vgpu);
diff --git a/drivers/gpu/drm/i915/gvt/firmware.c b/drivers/gpu/drm/i915/gvt/firmware.c
index 1cb29b2d7dc6..933a7c211a1c 100644
--- a/drivers/gpu/drm/i915/gvt/firmware.c
+++ b/drivers/gpu/drm/i915/gvt/firmware.c
@@ -80,7 +80,7 @@ static int expose_firmware_sysfs(struct intel_gvt *gvt)
int ret;
size = sizeof(*h) + info->mmio_size + info->cfg_space_size - 1;
- firmware = vmalloc(size);
+ firmware = vzalloc(size);
if (!firmware)
return -ENOMEM;
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 28c92346db0e..6a5ff23ded90 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -1825,11 +1825,8 @@ static int emulate_gtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
gma = g_gtt_index << GTT_PAGE_SHIFT;
/* the VM may configure the whole GM space when ballooning is used */
- if (WARN_ONCE(!vgpu_gmadr_is_valid(vgpu, gma),
- "vgpu%d: found oob ggtt write, offset %x\n",
- vgpu->id, off)) {
+ if (!vgpu_gmadr_is_valid(vgpu, gma))
return 0;
- }
ggtt_get_guest_entry(ggtt_mm, &e, g_gtt_index);
@@ -2015,6 +2012,22 @@ int intel_vgpu_init_gtt(struct intel_vgpu *vgpu)
return create_scratch_page_tree(vgpu);
}
+static void intel_vgpu_free_mm(struct intel_vgpu *vgpu, int type)
+{
+ struct list_head *pos, *n;
+ struct intel_vgpu_mm *mm;
+
+ list_for_each_safe(pos, n, &vgpu->gtt.mm_list_head) {
+ mm = container_of(pos, struct intel_vgpu_mm, list);
+ if (mm->type == type) {
+ vgpu->gvt->gtt.mm_free_page_table(mm);
+ list_del(&mm->list);
+ list_del(&mm->lru_list);
+ kfree(mm);
+ }
+ }
+}
+
/**
* intel_vgpu_clean_gtt - clean up per-vGPU graphics memory virulization
* @vgpu: a vGPU
@@ -2027,19 +2040,11 @@ int intel_vgpu_init_gtt(struct intel_vgpu *vgpu)
*/
void intel_vgpu_clean_gtt(struct intel_vgpu *vgpu)
{
- struct list_head *pos, *n;
- struct intel_vgpu_mm *mm;
-
ppgtt_free_all_shadow_page(vgpu);
release_scratch_page_tree(vgpu);
- list_for_each_safe(pos, n, &vgpu->gtt.mm_list_head) {
- mm = container_of(pos, struct intel_vgpu_mm, list);
- vgpu->gvt->gtt.mm_free_page_table(mm);
- list_del(&mm->list);
- list_del(&mm->lru_list);
- kfree(mm);
- }
+ intel_vgpu_free_mm(vgpu, INTEL_GVT_MM_PPGTT);
+ intel_vgpu_free_mm(vgpu, INTEL_GVT_MM_GGTT);
}
static void clean_spt_oos(struct intel_gvt *gvt)
@@ -2322,6 +2327,13 @@ void intel_vgpu_reset_gtt(struct intel_vgpu *vgpu, bool dmlr)
int i;
ppgtt_free_all_shadow_page(vgpu);
+
+ /* Shadow pages are only created when there is no page
+ * table tracking data, so remove page tracking data after
+ * removing the shadow pages.
+ */
+ intel_vgpu_free_mm(vgpu, INTEL_GVT_MM_PPGTT);
+
if (!dmlr)
return;
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index e227caf5859e..23791920ced1 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -143,6 +143,8 @@ struct intel_vgpu {
int id;
unsigned long handle; /* vGPU handle used by hypervisor MPT modules */
bool active;
+ bool pv_notified;
+ bool failsafe;
bool resetting;
void *sched_data;
@@ -203,18 +205,18 @@ struct intel_gvt_firmware {
};
struct intel_gvt_opregion {
- void __iomem *opregion_va;
+ void *opregion_va;
u32 opregion_pa;
};
#define NR_MAX_INTEL_VGPU_TYPES 20
struct intel_vgpu_type {
char name[16];
- unsigned int max_instance;
unsigned int avail_instance;
unsigned int low_gm_size;
unsigned int high_gm_size;
unsigned int fence;
+ enum intel_vgpu_edid resolution;
};
struct intel_gvt {
@@ -317,6 +319,7 @@ struct intel_vgpu_creation_params {
__u64 low_gm_sz; /* in MB */
__u64 high_gm_sz; /* in MB */
__u64 fence_sz;
+ __u64 resolution;
__s32 primary;
__u64 vgpu_id;
};
@@ -449,6 +452,11 @@ struct intel_gvt_ops {
};
+enum {
+ GVT_FAILSAFE_UNSUPPORTED_GUEST,
+ GVT_FAILSAFE_INSUFFICIENT_RESOURCE,
+};
+
#include "mpt.h"
#endif
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 1d450627ff65..8e43395c748a 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -121,6 +121,7 @@ static int new_mmio_info(struct intel_gvt *gvt,
info->size = size;
info->length = (i + 4) < end ? 4 : (end - i);
info->addr_mask = addr_mask;
+ info->ro_mask = ro_mask;
info->device = device;
info->read = read ? read : intel_vgpu_default_mmio_read;
info->write = write ? write : intel_vgpu_default_mmio_write;
@@ -150,15 +151,44 @@ static int render_mmio_to_ring_id(struct intel_gvt *gvt, unsigned int reg)
#define fence_num_to_offset(num) \
(num * 8 + i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0)))
+
+static void enter_failsafe_mode(struct intel_vgpu *vgpu, int reason)
+{
+ switch (reason) {
+ case GVT_FAILSAFE_UNSUPPORTED_GUEST:
+ pr_err("Detected your guest driver doesn't support GVT-g.\n");
+ break;
+ case GVT_FAILSAFE_INSUFFICIENT_RESOURCE:
+ pr_err("Graphics resource is not enough for the guest\n");
+ default:
+ break;
+ }
+ pr_err("Now vgpu %d will enter failsafe mode.\n", vgpu->id);
+ vgpu->failsafe = true;
+}
+
static int sanitize_fence_mmio_access(struct intel_vgpu *vgpu,
unsigned int fence_num, void *p_data, unsigned int bytes)
{
if (fence_num >= vgpu_fence_sz(vgpu)) {
- gvt_err("vgpu%d: found oob fence register access\n",
- vgpu->id);
- gvt_err("vgpu%d: total fence num %d access fence num %d\n",
- vgpu->id, vgpu_fence_sz(vgpu), fence_num);
+
+ /* When guest access oob fence regs without access
+ * pv_info first, we treat guest not supporting GVT,
+ * and we will let vgpu enter failsafe mode.
+ */
+ if (!vgpu->pv_notified)
+ enter_failsafe_mode(vgpu,
+ GVT_FAILSAFE_UNSUPPORTED_GUEST);
+
+ if (!vgpu->mmio.disable_warn_untrack) {
+ gvt_err("vgpu%d: found oob fence register access\n",
+ vgpu->id);
+ gvt_err("vgpu%d: total fence %d, access fence %d\n",
+ vgpu->id, vgpu_fence_sz(vgpu),
+ fence_num);
+ }
memset(p_data, 0, bytes);
+ return -EINVAL;
}
return 0;
}
@@ -369,6 +399,74 @@ static int pipeconf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
return 0;
}
+/* ascendingly sorted */
+static i915_reg_t force_nonpriv_white_list[] = {
+ GEN9_CS_DEBUG_MODE1, //_MMIO(0x20ec)
+ GEN9_CTX_PREEMPT_REG,//_MMIO(0x2248)
+ GEN8_CS_CHICKEN1,//_MMIO(0x2580)
+ _MMIO(0x2690),
+ _MMIO(0x2694),
+ _MMIO(0x2698),
+ _MMIO(0x4de0),
+ _MMIO(0x4de4),
+ _MMIO(0x4dfc),
+ GEN7_COMMON_SLICE_CHICKEN1,//_MMIO(0x7010)
+ _MMIO(0x7014),
+ HDC_CHICKEN0,//_MMIO(0x7300)
+ GEN8_HDC_CHICKEN1,//_MMIO(0x7304)
+ _MMIO(0x7700),
+ _MMIO(0x7704),
+ _MMIO(0x7708),
+ _MMIO(0x770c),
+ _MMIO(0xb110),
+ GEN8_L3SQCREG4,//_MMIO(0xb118)
+ _MMIO(0xe100),
+ _MMIO(0xe18c),
+ _MMIO(0xe48c),
+ _MMIO(0xe5f4),
+};
+
+/* a simple bsearch */
+static inline bool in_whitelist(unsigned int reg)
+{
+ int left = 0, right = ARRAY_SIZE(force_nonpriv_white_list);
+ i915_reg_t *array = force_nonpriv_white_list;
+
+ while (left < right) {
+ int mid = (left + right)/2;
+
+ if (reg > array[mid].reg)
+ left = mid + 1;
+ else if (reg < array[mid].reg)
+ right = mid;
+ else
+ return true;
+ }
+ return false;
+}
+
+static int force_nonpriv_write(struct intel_vgpu *vgpu,
+ unsigned int offset, void *p_data, unsigned int bytes)
+{
+ u32 reg_nonpriv = *(u32 *)p_data;
+ int ret = -EINVAL;
+
+ if ((bytes != 4) || ((offset & (bytes - 1)) != 0)) {
+ gvt_err("vgpu(%d) Invalid FORCE_NONPRIV offset %x(%dB)\n",
+ vgpu->id, offset, bytes);
+ return ret;
+ }
+
+ if (in_whitelist(reg_nonpriv)) {
+ ret = intel_vgpu_default_mmio_write(vgpu, offset, p_data,
+ bytes);
+ } else {
+ gvt_err("vgpu(%d) Invalid FORCE_NONPRIV write %x\n",
+ vgpu->id, reg_nonpriv);
+ }
+ return ret;
+}
+
static int ddi_buf_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
void *p_data, unsigned int bytes)
{
@@ -1001,6 +1099,7 @@ static int pvinfo_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
if (invalid_read)
gvt_err("invalid pvinfo read: [%x:%x] = %x\n",
offset, bytes, *(u32 *)p_data);
+ vgpu->pv_notified = true;
return 0;
}
@@ -1039,7 +1138,7 @@ static int send_display_ready_uevent(struct intel_vgpu *vgpu, int ready)
char vmid_str[20];
char display_ready_str[20];
- snprintf(display_ready_str, 20, "GVT_DISPLAY_READY=%d\n", ready);
+ snprintf(display_ready_str, 20, "GVT_DISPLAY_READY=%d", ready);
env[0] = display_ready_str;
snprintf(vmid_str, 20, "VMID=%d", vgpu->id);
@@ -1078,6 +1177,9 @@ static int pvinfo_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
case _vgtif_reg(execlist_context_descriptor_lo):
case _vgtif_reg(execlist_context_descriptor_hi):
break;
+ case _vgtif_reg(rsv5[0])..._vgtif_reg(rsv5[3]):
+ enter_failsafe_mode(vgpu, GVT_FAILSAFE_INSUFFICIENT_RESOURCE);
+ break;
default:
gvt_err("invalid pvinfo write offset %x bytes %x data %x\n",
offset, bytes, data);
@@ -1203,26 +1305,37 @@ static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
u32 *data0 = &vgpu_vreg(vgpu, GEN6_PCODE_DATA);
switch (cmd) {
- case 0x6:
- /**
- * "Read memory latency" command on gen9.
- * Below memory latency values are read
- * from skylake platform.
- */
- if (!*data0)
- *data0 = 0x1e1a1100;
- else
- *data0 = 0x61514b3d;
+ case GEN9_PCODE_READ_MEM_LATENCY:
+ if (IS_SKYLAKE(vgpu->gvt->dev_priv)) {
+ /**
+ * "Read memory latency" command on gen9.
+ * Below memory latency values are read
+ * from skylake platform.
+ */
+ if (!*data0)
+ *data0 = 0x1e1a1100;
+ else
+ *data0 = 0x61514b3d;
+ }
+ break;
+ case SKL_PCODE_CDCLK_CONTROL:
+ if (IS_SKYLAKE(vgpu->gvt->dev_priv))
+ *data0 = SKL_CDCLK_READY_FOR_CHANGE;
break;
- case 0x5:
+ case GEN6_PCODE_READ_RC6VIDS:
*data0 |= 0x1;
break;
}
gvt_dbg_core("VM(%d) write %x to mailbox, return data0 %x\n",
vgpu->id, value, *data0);
-
- value &= ~(1 << 31);
+ /**
+ * PCODE_READY clear means ready for pcode read/write,
+ * PCODE_ERROR_MASK clear means no error happened. In GVT-g we
+ * always emulate as pcode read/write success and ready for access
+ * anytime, since we don't touch real physical registers here.
+ */
+ value &= ~(GEN6_PCODE_READY | GEN6_PCODE_ERROR_MASK);
return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
}
@@ -1318,6 +1431,17 @@ static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
bool enable_execlist;
write_vreg(vgpu, offset, p_data, bytes);
+
+ /* when PPGTT mode enabled, we will check if guest has called
+ * pvinfo, if not, we will treat this guest as non-gvtg-aware
+ * guest, and stop emulating its cfg space, mmio, gtt, etc.
+ */
+ if (((data & _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)) ||
+ (data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)))
+ && !vgpu->pv_notified) {
+ enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
+ return 0;
+ }
if ((data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE))
|| (data & _MASKED_BIT_DISABLE(GFX_RUN_LIST_ENABLE))) {
enable_execlist = !!(data & GFX_RUN_LIST_ENABLE);
@@ -1400,6 +1524,9 @@ static int ring_reset_ctl_write(struct intel_vgpu *vgpu,
#define MMIO_GM(reg, d, r, w) \
MMIO_F(reg, 4, F_GMADR, 0xFFFFF000, 0, d, r, w)
+#define MMIO_GM_RDR(reg, d, r, w) \
+ MMIO_F(reg, 4, F_GMADR | F_CMD_ACCESS, 0xFFFFF000, 0, d, r, w)
+
#define MMIO_RO(reg, d, f, rm, r, w) \
MMIO_F(reg, 4, F_RO | f, 0, rm, d, r, w)
@@ -1419,6 +1546,9 @@ static int ring_reset_ctl_write(struct intel_vgpu *vgpu,
#define MMIO_RING_GM(prefix, d, r, w) \
MMIO_RING_F(prefix, 4, F_GMADR, 0xFFFF0000, 0, d, r, w)
+#define MMIO_RING_GM_RDR(prefix, d, r, w) \
+ MMIO_RING_F(prefix, 4, F_GMADR | F_CMD_ACCESS, 0xFFFF0000, 0, d, r, w)
+
#define MMIO_RING_RO(prefix, d, f, rm, r, w) \
MMIO_RING_F(prefix, 4, F_RO | f, 0, rm, d, r, w)
@@ -1427,73 +1557,81 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
struct drm_i915_private *dev_priv = gvt->dev_priv;
int ret;
- MMIO_RING_DFH(RING_IMR, D_ALL, 0, NULL, intel_vgpu_reg_imr_handler);
+ MMIO_RING_DFH(RING_IMR, D_ALL, F_CMD_ACCESS, NULL,
+ intel_vgpu_reg_imr_handler);
MMIO_DFH(SDEIMR, D_ALL, 0, NULL, intel_vgpu_reg_imr_handler);
MMIO_DFH(SDEIER, D_ALL, 0, NULL, intel_vgpu_reg_ier_handler);
MMIO_DFH(SDEIIR, D_ALL, 0, NULL, intel_vgpu_reg_iir_handler);
MMIO_D(SDEISR, D_ALL);
- MMIO_RING_D(RING_HWSTAM, D_ALL);
+ MMIO_RING_DFH(RING_HWSTAM, D_ALL, F_CMD_ACCESS, NULL, NULL);
- MMIO_GM(RENDER_HWS_PGA_GEN7, D_ALL, NULL, NULL);
- MMIO_GM(BSD_HWS_PGA_GEN7, D_ALL, NULL, NULL);
- MMIO_GM(BLT_HWS_PGA_GEN7, D_ALL, NULL, NULL);
- MMIO_GM(VEBOX_HWS_PGA_GEN7, D_ALL, NULL, NULL);
+ MMIO_GM_RDR(RENDER_HWS_PGA_GEN7, D_ALL, NULL, NULL);
+ MMIO_GM_RDR(BSD_HWS_PGA_GEN7, D_ALL, NULL, NULL);
+ MMIO_GM_RDR(BLT_HWS_PGA_GEN7, D_ALL, NULL, NULL);
+ MMIO_GM_RDR(VEBOX_HWS_PGA_GEN7, D_ALL, NULL, NULL);
#define RING_REG(base) (base + 0x28)
- MMIO_RING_D(RING_REG, D_ALL);
+ MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
#undef RING_REG
#define RING_REG(base) (base + 0x134)
- MMIO_RING_D(RING_REG, D_ALL);
+ MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
#undef RING_REG
- MMIO_GM(0x2148, D_ALL, NULL, NULL);
- MMIO_GM(CCID, D_ALL, NULL, NULL);
- MMIO_GM(0x12198, D_ALL, NULL, NULL);
+ MMIO_GM_RDR(0x2148, D_ALL, NULL, NULL);
+ MMIO_GM_RDR(CCID, D_ALL, NULL, NULL);
+ MMIO_GM_RDR(0x12198, D_ALL, NULL, NULL);
MMIO_D(GEN7_CXT_SIZE, D_ALL);
- MMIO_RING_D(RING_TAIL, D_ALL);
- MMIO_RING_D(RING_HEAD, D_ALL);
- MMIO_RING_D(RING_CTL, D_ALL);
- MMIO_RING_D(RING_ACTHD, D_ALL);
- MMIO_RING_GM(RING_START, D_ALL, NULL, NULL);
+ MMIO_RING_DFH(RING_TAIL, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_RING_DFH(RING_HEAD, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_RING_DFH(RING_CTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_RING_DFH(RING_ACTHD, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_RING_GM_RDR(RING_START, D_ALL, NULL, NULL);
/* RING MODE */
#define RING_REG(base) (base + 0x29c)
- MMIO_RING_DFH(RING_REG, D_ALL, F_MODE_MASK, NULL, ring_mode_mmio_write);
+ MMIO_RING_DFH(RING_REG, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL,
+ ring_mode_mmio_write);
#undef RING_REG
- MMIO_RING_DFH(RING_MI_MODE, D_ALL, F_MODE_MASK, NULL, NULL);
- MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK, NULL, NULL);
+ MMIO_RING_DFH(RING_MI_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
+ NULL, NULL);
+ MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
+ NULL, NULL);
MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS,
ring_timestamp_mmio_read, NULL);
MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS,
ring_timestamp_mmio_read, NULL);
- MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK, NULL, NULL);
- MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK, NULL, NULL);
+ MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
+ NULL, NULL);
MMIO_DFH(CACHE_MODE_1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
-
- MMIO_DFH(0x20dc, D_ALL, F_MODE_MASK, NULL, NULL);
- MMIO_DFH(_3D_CHICKEN3, D_ALL, F_MODE_MASK, NULL, NULL);
- MMIO_DFH(0x2088, D_ALL, F_MODE_MASK, NULL, NULL);
- MMIO_DFH(0x20e4, D_ALL, F_MODE_MASK, NULL, NULL);
- MMIO_DFH(0x2470, D_ALL, F_MODE_MASK, NULL, NULL);
- MMIO_D(GAM_ECOCHK, D_ALL);
- MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK, NULL, NULL);
+ MMIO_DFH(CACHE_MODE_0, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x2124, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
+
+ MMIO_DFH(0x20dc, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(_3D_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x2088, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x20e4, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x2470, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
+ NULL, NULL);
MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
- MMIO_D(0x9030, D_ALL);
- MMIO_D(0x20a0, D_ALL);
- MMIO_D(0x2420, D_ALL);
- MMIO_D(0x2430, D_ALL);
- MMIO_D(0x2434, D_ALL);
- MMIO_D(0x2438, D_ALL);
- MMIO_D(0x243c, D_ALL);
- MMIO_DFH(0x7018, D_ALL, F_MODE_MASK, NULL, NULL);
+ MMIO_DFH(0x9030, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x20a0, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x2420, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x2430, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x2434, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x2438, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x243c, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x7018, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(HALF_SLICE_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
- MMIO_DFH(0xe100, D_ALL, F_MODE_MASK, NULL, NULL);
+ MMIO_DFH(GEN7_HALF_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
/* display */
MMIO_F(0x60220, 0x20, 0, 0, 0, D_ALL, NULL, NULL);
@@ -2022,8 +2160,8 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_D(FORCEWAKE_ACK, D_ALL);
MMIO_D(GEN6_GT_CORE_STATUS, D_ALL);
MMIO_D(GEN6_GT_THREAD_STATUS_REG, D_ALL);
- MMIO_D(GTFIFODBG, D_ALL);
- MMIO_D(GTFIFOCTL, D_ALL);
+ MMIO_DFH(GTFIFODBG, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(GTFIFOCTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DH(FORCEWAKE_MT, D_PRE_SKL, NULL, mul_force_wake_write);
MMIO_DH(FORCEWAKE_ACK_HSW, D_HSW | D_BDW, NULL, NULL);
MMIO_D(ECOBUS, D_ALL);
@@ -2080,7 +2218,7 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_F(0x4f000, 0x90, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_D(GEN6_PCODE_MAILBOX, D_PRE_SKL);
+ MMIO_D(GEN6_PCODE_MAILBOX, D_PRE_BDW);
MMIO_D(GEN6_PCODE_DATA, D_ALL);
MMIO_D(0x13812c, D_ALL);
MMIO_DH(GEN7_ERR_INT, D_ALL, NULL, NULL);
@@ -2159,36 +2297,35 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_D(0x1a054, D_ALL);
MMIO_D(0x44070, D_ALL);
-
- MMIO_D(0x215c, D_HSW_PLUS);
+ MMIO_DFH(0x215c, D_HSW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2178, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x217c, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x12178, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x1217c, D_ALL, F_CMD_ACCESS, NULL, NULL);
- MMIO_F(0x2290, 8, 0, 0, 0, D_HSW_PLUS, NULL, NULL);
- MMIO_D(GEN7_OACONTROL, D_HSW);
+ MMIO_F(0x2290, 8, F_CMD_ACCESS, 0, 0, D_HSW_PLUS, NULL, NULL);
+ MMIO_DFH(GEN7_OACONTROL, D_HSW, F_CMD_ACCESS, NULL, NULL);
MMIO_D(0x2b00, D_BDW_PLUS);
MMIO_D(0x2360, D_BDW_PLUS);
- MMIO_F(0x5200, 32, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(0x5240, 32, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(0x5280, 16, 0, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(0x5200, 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(0x5240, 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(0x5280, 16, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_DFH(0x1c17c, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x1c178, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
- MMIO_D(BCS_SWCTRL, D_ALL);
-
- MMIO_F(HS_INVOCATION_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(DS_INVOCATION_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(IA_VERTICES_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(IA_PRIMITIVES_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(VS_INVOCATION_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(GS_INVOCATION_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(GS_PRIMITIVES_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(CL_INVOCATION_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(CL_PRIMITIVES_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(PS_INVOCATION_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
- MMIO_F(PS_DEPTH_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
+ MMIO_DFH(BCS_SWCTRL, D_ALL, F_CMD_ACCESS, NULL, NULL);
+
+ MMIO_F(HS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(DS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(IA_VERTICES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(IA_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(VS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(GS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(GS_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(CL_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(CL_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(PS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
+ MMIO_F(PS_DEPTH_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_DH(0x4260, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
MMIO_DH(0x4264, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
MMIO_DH(0x4268, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
@@ -2196,6 +2333,17 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_DH(0x4270, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
MMIO_DFH(0x4094, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(ARB_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
+ MMIO_RING_GM_RDR(RING_BBADDR, D_ALL, NULL, NULL);
+ MMIO_DFH(0x2220, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x12220, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x22220, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_RING_DFH(RING_SYNC_1, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_RING_DFH(RING_SYNC_0, D_ALL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x22178, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x1a178, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x1a17c, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x2217c, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
return 0;
}
@@ -2204,7 +2352,7 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
struct drm_i915_private *dev_priv = gvt->dev_priv;
int ret;
- MMIO_DH(RING_IMR(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL,
+ MMIO_DFH(RING_IMR(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS, NULL,
intel_vgpu_reg_imr_handler);
MMIO_DH(GEN8_GT_IMR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
@@ -2269,24 +2417,31 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
MMIO_DH(GEN8_MASTER_IRQ, D_BDW_PLUS, NULL,
intel_vgpu_reg_master_irq_handler);
- MMIO_D(RING_HWSTAM(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
- MMIO_D(0x1c134, D_BDW_PLUS);
-
- MMIO_D(RING_TAIL(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
- MMIO_D(RING_HEAD(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
- MMIO_GM(RING_START(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL, NULL);
- MMIO_D(RING_CTL(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
- MMIO_D(RING_ACTHD(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
- MMIO_D(RING_ACTHD_UDW(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
- MMIO_DFH(0x1c29c, D_BDW_PLUS, F_MODE_MASK, NULL, ring_mode_mmio_write);
- MMIO_DFH(RING_MI_MODE(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_MODE_MASK,
- NULL, NULL);
- MMIO_DFH(RING_INSTPM(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_MODE_MASK,
- NULL, NULL);
+ MMIO_DFH(RING_HWSTAM(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
+ F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x1c134, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+
+ MMIO_DFH(RING_TAIL(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
+ NULL, NULL);
+ MMIO_DFH(RING_HEAD(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
+ F_CMD_ACCESS, NULL, NULL);
+ MMIO_GM_RDR(RING_START(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL, NULL);
+ MMIO_DFH(RING_CTL(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
+ NULL, NULL);
+ MMIO_DFH(RING_ACTHD(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
+ F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(RING_ACTHD_UDW(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
+ F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x1c29c, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL,
+ ring_mode_mmio_write);
+ MMIO_DFH(RING_MI_MODE(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
+ F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(RING_INSTPM(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
+ F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(RING_TIMESTAMP(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
ring_timestamp_mmio_read, NULL);
- MMIO_RING_D(RING_ACTHD_UDW, D_BDW_PLUS);
+ MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
#define RING_REG(base) (base + 0xd0)
MMIO_RING_F(RING_REG, 4, F_RO, 0,
@@ -2303,13 +2458,16 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
#undef RING_REG
#define RING_REG(base) (base + 0x234)
- MMIO_RING_F(RING_REG, 8, F_RO, 0, ~0, D_BDW_PLUS, NULL, NULL);
- MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 4, F_RO, 0, ~0LL, D_BDW_PLUS, NULL, NULL);
+ MMIO_RING_F(RING_REG, 8, F_RO | F_CMD_ACCESS, 0, ~0, D_BDW_PLUS,
+ NULL, NULL);
+ MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 4, F_RO | F_CMD_ACCESS, 0,
+ ~0LL, D_BDW_PLUS, NULL, NULL);
#undef RING_REG
#define RING_REG(base) (base + 0x244)
- MMIO_RING_D(RING_REG, D_BDW_PLUS);
- MMIO_D(RING_REG(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
+ MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(RING_REG(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
+ NULL, NULL);
#undef RING_REG
#define RING_REG(base) (base + 0x370)
@@ -2331,6 +2489,8 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
MMIO_D(GEN7_MISCCPCTL, D_BDW_PLUS);
MMIO_D(0x1c054, D_BDW_PLUS);
+ MMIO_DH(GEN6_PCODE_MAILBOX, D_BDW_PLUS, NULL, mailbox_write);
+
MMIO_D(GEN8_PRIVATE_PAT_LO, D_BDW_PLUS);
MMIO_D(GEN8_PRIVATE_PAT_HI, D_BDW_PLUS);
@@ -2341,14 +2501,14 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL);
#undef RING_REG
- MMIO_RING_GM(RING_HWS_PGA, D_BDW_PLUS, NULL, NULL);
- MMIO_GM(0x1c080, D_BDW_PLUS, NULL, NULL);
+ MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, NULL);
+ MMIO_GM_RDR(RING_HWS_PGA(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL, NULL);
MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
- MMIO_D(CHICKEN_PIPESL_1(PIPE_A), D_BDW);
- MMIO_D(CHICKEN_PIPESL_1(PIPE_B), D_BDW);
- MMIO_D(CHICKEN_PIPESL_1(PIPE_C), D_BDW);
+ MMIO_D(CHICKEN_PIPESL_1(PIPE_A), D_BDW_PLUS);
+ MMIO_D(CHICKEN_PIPESL_1(PIPE_B), D_BDW_PLUS);
+ MMIO_D(CHICKEN_PIPESL_1(PIPE_C), D_BDW_PLUS);
MMIO_D(WM_MISC, D_BDW);
MMIO_D(BDW_EDP_PSR_BASE, D_BDW);
@@ -2362,27 +2522,31 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
MMIO_D(GEN8_EU_DISABLE1, D_BDW_PLUS);
MMIO_D(GEN8_EU_DISABLE2, D_BDW_PLUS);
- MMIO_D(0xfdc, D_BDW);
- MMIO_DFH(GEN8_ROW_CHICKEN, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
- MMIO_D(GEN7_ROW_CHICKEN2, D_BDW_PLUS);
- MMIO_D(GEN8_UCGCTL6, D_BDW_PLUS);
+ MMIO_D(0xfdc, D_BDW_PLUS);
+ MMIO_DFH(GEN8_ROW_CHICKEN, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
+ NULL, NULL);
+ MMIO_DFH(GEN7_ROW_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
+ NULL, NULL);
+ MMIO_DFH(GEN8_UCGCTL6, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
- MMIO_D(0xb1f0, D_BDW);
- MMIO_D(0xb1c0, D_BDW);
+ MMIO_DFH(0xb1f0, D_BDW, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0xb1c0, D_BDW, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(GEN8_L3SQCREG4, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
- MMIO_D(0xb100, D_BDW);
- MMIO_D(0xb10c, D_BDW);
+ MMIO_DFH(0xb100, D_BDW, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0xb10c, D_BDW, F_CMD_ACCESS, NULL, NULL);
MMIO_D(0xb110, D_BDW);
- MMIO_DFH(0x24d0, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
- MMIO_DFH(0x24d4, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
- MMIO_DFH(0x24d8, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
- MMIO_DFH(0x24dc, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_F(0x24d0, 48, F_CMD_ACCESS, 0, 0, D_BDW_PLUS,
+ NULL, force_nonpriv_write);
+
+ MMIO_D(0x22040, D_BDW_PLUS);
+ MMIO_D(0x44484, D_BDW_PLUS);
+ MMIO_D(0x4448c, D_BDW_PLUS);
- MMIO_D(0x83a4, D_BDW);
+ MMIO_DFH(0x83a4, D_BDW, F_CMD_ACCESS, NULL, NULL);
MMIO_D(GEN8_L3_LRA_1_GPGPU, D_BDW_PLUS);
- MMIO_D(0x8430, D_BDW);
+ MMIO_DFH(0x8430, D_BDW, F_CMD_ACCESS, NULL, NULL);
MMIO_D(0x110000, D_BDW_PLUS);
@@ -2394,10 +2558,19 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe188, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
- MMIO_DFH(0x2580, D_BDW_PLUS, F_MODE_MASK, NULL, NULL);
-
- MMIO_D(0x2248, D_BDW);
-
+ MMIO_DFH(0x2580, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
+
+ MMIO_DFH(0x2248, D_BDW, F_CMD_ACCESS, NULL, NULL);
+
+ MMIO_DFH(0xe220, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0xe230, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0xe240, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0xe260, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0xe270, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0xe280, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0xe2a0, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0xe2b0, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0xe2c0, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
return 0;
}
@@ -2420,7 +2593,6 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
MMIO_D(HSW_PWR_WELL_BIOS, D_SKL);
MMIO_DH(HSW_PWR_WELL_DRIVER, D_SKL, NULL, skl_power_well_ctl_write);
- MMIO_DH(GEN6_PCODE_MAILBOX, D_SKL, NULL, mailbox_write);
MMIO_D(0xa210, D_SKL_PLUS);
MMIO_D(GEN9_MEDIA_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
MMIO_D(GEN9_RENDER_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
@@ -2578,16 +2750,16 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
MMIO_F(0xb020, 0x80, F_CMD_ACCESS, 0, 0, D_SKL, NULL, NULL);
MMIO_D(0xd08, D_SKL);
- MMIO_D(0x20e0, D_SKL);
- MMIO_D(0x20ec, D_SKL);
+ MMIO_DFH(0x20e0, D_SKL, F_MODE_MASK, NULL, NULL);
+ MMIO_DFH(0x20ec, D_SKL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
/* TRTT */
- MMIO_D(0x4de0, D_SKL);
- MMIO_D(0x4de4, D_SKL);
- MMIO_D(0x4de8, D_SKL);
- MMIO_D(0x4dec, D_SKL);
- MMIO_D(0x4df0, D_SKL);
- MMIO_DH(0x4df4, D_SKL, NULL, gen9_trtte_write);
+ MMIO_DFH(0x4de0, D_SKL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x4de4, D_SKL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x4de8, D_SKL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x4dec, D_SKL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x4df0, D_SKL, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(0x4df4, D_SKL, F_CMD_ACCESS, NULL, gen9_trtte_write);
MMIO_DH(0x4dfc, D_SKL, NULL, gen9_trtt_chicken_write);
MMIO_D(0x45008, D_SKL);
@@ -2611,7 +2783,7 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
MMIO_D(0x65f08, D_SKL);
MMIO_D(0x320f0, D_SKL);
- MMIO_D(_REG_VCS2_EXCC, D_SKL);
+ MMIO_DFH(_REG_VCS2_EXCC, D_SKL, F_CMD_ACCESS, NULL, NULL);
MMIO_D(0x70034, D_SKL);
MMIO_D(0x71034, D_SKL);
MMIO_D(0x72034, D_SKL);
@@ -2624,6 +2796,9 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
MMIO_D(_PLANE_KEYMSK_1(PIPE_C), D_SKL);
MMIO_D(0x44500, D_SKL);
+ MMIO_DFH(GEN9_CSFE_CHICKEN1_RCS, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
+ MMIO_DFH(GEN8_HDC_CHICKEN1, D_SKL, F_MODE_MASK | F_CMD_ACCESS,
+ NULL, NULL);
return 0;
}
diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index 0f7f5d97f582..84d801638ede 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -96,10 +96,10 @@ static int gvt_dma_map_iova(struct intel_vgpu *vgpu, kvm_pfn_t pfn,
struct device *dev = &vgpu->gvt->dev_priv->drm.pdev->dev;
dma_addr_t daddr;
- page = pfn_to_page(pfn);
- if (is_error_page(page))
+ if (unlikely(!pfn_valid(pfn)))
return -EFAULT;
+ page = pfn_to_page(pfn);
daddr = dma_map_page(dev, page, 0, PAGE_SIZE,
PCI_DMA_BIDIRECTIONAL);
if (dma_mapping_error(dev, daddr))
@@ -295,10 +295,10 @@ static ssize_t description_show(struct kobject *kobj, struct device *dev,
return 0;
return sprintf(buf, "low_gm_size: %dMB\nhigh_gm_size: %dMB\n"
- "fence: %d\n",
- BYTES_TO_MB(type->low_gm_size),
- BYTES_TO_MB(type->high_gm_size),
- type->fence);
+ "fence: %d\nresolution: %s\n",
+ BYTES_TO_MB(type->low_gm_size),
+ BYTES_TO_MB(type->high_gm_size),
+ type->fence, vgpu_edid_str(type->resolution));
}
static MDEV_TYPE_ATTR_RO(available_instances);
diff --git a/drivers/gpu/drm/i915/gvt/mmio.c b/drivers/gpu/drm/i915/gvt/mmio.c
index 4df078bc5d04..60b698cb8365 100644
--- a/drivers/gpu/drm/i915/gvt/mmio.c
+++ b/drivers/gpu/drm/i915/gvt/mmio.c
@@ -57,6 +57,58 @@ int intel_vgpu_gpa_to_mmio_offset(struct intel_vgpu *vgpu, u64 gpa)
(reg >= gvt->device_info.gtt_start_offset \
&& reg < gvt->device_info.gtt_start_offset + gvt_ggtt_sz(gvt))
+static void failsafe_emulate_mmio_rw(struct intel_vgpu *vgpu, uint64_t pa,
+ void *p_data, unsigned int bytes, bool read)
+{
+ struct intel_gvt *gvt = NULL;
+ void *pt = NULL;
+ unsigned int offset = 0;
+
+ if (!vgpu || !p_data)
+ return;
+
+ gvt = vgpu->gvt;
+ mutex_lock(&gvt->lock);
+ offset = intel_vgpu_gpa_to_mmio_offset(vgpu, pa);
+ if (reg_is_mmio(gvt, offset)) {
+ if (read)
+ intel_vgpu_default_mmio_read(vgpu, offset, p_data,
+ bytes);
+ else
+ intel_vgpu_default_mmio_write(vgpu, offset, p_data,
+ bytes);
+ } else if (reg_is_gtt(gvt, offset) &&
+ vgpu->gtt.ggtt_mm->virtual_page_table) {
+ offset -= gvt->device_info.gtt_start_offset;
+ pt = vgpu->gtt.ggtt_mm->virtual_page_table + offset;
+ if (read)
+ memcpy(p_data, pt, bytes);
+ else
+ memcpy(pt, p_data, bytes);
+
+ } else if (atomic_read(&vgpu->gtt.n_write_protected_guest_page)) {
+ struct intel_vgpu_guest_page *gp;
+
+ /* Since we enter the failsafe mode early during guest boot,
+ * guest may not have chance to set up its ppgtt table, so
+ * there should not be any wp pages for guest. Keep the wp
+ * related code here in case we need to handle it in furture.
+ */
+ gp = intel_vgpu_find_guest_page(vgpu, pa >> PAGE_SHIFT);
+ if (gp) {
+ /* remove write protection to prevent furture traps */
+ intel_vgpu_clean_guest_page(vgpu, gp);
+ if (read)
+ intel_gvt_hypervisor_read_gpa(vgpu, pa,
+ p_data, bytes);
+ else
+ intel_gvt_hypervisor_write_gpa(vgpu, pa,
+ p_data, bytes);
+ }
+ }
+ mutex_unlock(&gvt->lock);
+}
+
/**
* intel_vgpu_emulate_mmio_read - emulate MMIO read
* @vgpu: a vGPU
@@ -75,6 +127,11 @@ int intel_vgpu_emulate_mmio_read(struct intel_vgpu *vgpu, uint64_t pa,
unsigned int offset = 0;
int ret = -EINVAL;
+
+ if (vgpu->failsafe) {
+ failsafe_emulate_mmio_rw(vgpu, pa, p_data, bytes, true);
+ return 0;
+ }
mutex_lock(&gvt->lock);
if (atomic_read(&vgpu->gtt.n_write_protected_guest_page)) {
@@ -188,6 +245,11 @@ int intel_vgpu_emulate_mmio_write(struct intel_vgpu *vgpu, uint64_t pa,
u32 old_vreg = 0, old_sreg = 0;
int ret = -EINVAL;
+ if (vgpu->failsafe) {
+ failsafe_emulate_mmio_rw(vgpu, pa, p_data, bytes, false);
+ return 0;
+ }
+
mutex_lock(&gvt->lock);
if (atomic_read(&vgpu->gtt.n_write_protected_guest_page)) {
@@ -236,7 +298,7 @@ int intel_vgpu_emulate_mmio_write(struct intel_vgpu *vgpu, uint64_t pa,
mmio = intel_gvt_find_mmio_info(gvt, rounddown(offset, 4));
if (!mmio && !vgpu->mmio.disable_warn_untrack)
- gvt_err("vgpu%d: write untracked MMIO %x len %d val %x\n",
+ gvt_dbg_mmio("vgpu%d: write untracked MMIO %x len %d val %x\n",
vgpu->id, offset, bytes, *(u32 *)p_data);
if (!intel_gvt_mmio_is_unalign(gvt, offset)) {
@@ -322,6 +384,8 @@ void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu)
/* set the bit 0:2(Core C-State ) to C0 */
vgpu_vreg(vgpu, GEN6_GT_CORE_STATUS) = 0;
+
+ vgpu->mmio.disable_warn_untrack = false;
}
/**
diff --git a/drivers/gpu/drm/i915/gvt/opregion.c b/drivers/gpu/drm/i915/gvt/opregion.c
index d9fb41ab7119..5d1caf9daba9 100644
--- a/drivers/gpu/drm/i915/gvt/opregion.c
+++ b/drivers/gpu/drm/i915/gvt/opregion.c
@@ -27,7 +27,6 @@
static int init_vgpu_opregion(struct intel_vgpu *vgpu, u32 gpa)
{
- void __iomem *host_va = vgpu->gvt->opregion.opregion_va;
u8 *buf;
int i;
@@ -43,8 +42,8 @@ static int init_vgpu_opregion(struct intel_vgpu *vgpu, u32 gpa)
if (!vgpu_opregion(vgpu)->va)
return -ENOMEM;
- memcpy_fromio(vgpu_opregion(vgpu)->va, host_va,
- INTEL_GVT_OPREGION_SIZE);
+ memcpy(vgpu_opregion(vgpu)->va, vgpu->gvt->opregion.opregion_va,
+ INTEL_GVT_OPREGION_SIZE);
for (i = 0; i < INTEL_GVT_OPREGION_PAGES; i++)
vgpu_opregion(vgpu)->gfn[i] = (gpa >> PAGE_SHIFT) + i;
diff --git a/drivers/gpu/drm/i915/gvt/render.c b/drivers/gpu/drm/i915/gvt/render.c
index 2b3a642284b6..73f052a4f424 100644
--- a/drivers/gpu/drm/i915/gvt/render.c
+++ b/drivers/gpu/drm/i915/gvt/render.c
@@ -53,6 +53,14 @@ static struct render_mmio gen8_render_mmio_list[] = {
{RCS, _MMIO(0x24d4), 0, false},
{RCS, _MMIO(0x24d8), 0, false},
{RCS, _MMIO(0x24dc), 0, false},
+ {RCS, _MMIO(0x24e0), 0, false},
+ {RCS, _MMIO(0x24e4), 0, false},
+ {RCS, _MMIO(0x24e8), 0, false},
+ {RCS, _MMIO(0x24ec), 0, false},
+ {RCS, _MMIO(0x24f0), 0, false},
+ {RCS, _MMIO(0x24f4), 0, false},
+ {RCS, _MMIO(0x24f8), 0, false},
+ {RCS, _MMIO(0x24fc), 0, false},
{RCS, _MMIO(0x7004), 0xffff, true},
{RCS, _MMIO(0x7008), 0xffff, true},
{RCS, _MMIO(0x7000), 0xffff, true},
@@ -76,6 +84,14 @@ static struct render_mmio gen9_render_mmio_list[] = {
{RCS, _MMIO(0x24d4), 0, false},
{RCS, _MMIO(0x24d8), 0, false},
{RCS, _MMIO(0x24dc), 0, false},
+ {RCS, _MMIO(0x24e0), 0, false},
+ {RCS, _MMIO(0x24e4), 0, false},
+ {RCS, _MMIO(0x24e8), 0, false},
+ {RCS, _MMIO(0x24ec), 0, false},
+ {RCS, _MMIO(0x24f0), 0, false},
+ {RCS, _MMIO(0x24f4), 0, false},
+ {RCS, _MMIO(0x24f8), 0, false},
+ {RCS, _MMIO(0x24fc), 0, false},
{RCS, _MMIO(0x7004), 0xffff, true},
{RCS, _MMIO(0x7008), 0xffff, true},
{RCS, _MMIO(0x7000), 0xffff, true},
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index d6b6d0efdd1a..d3a56c949025 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -139,6 +139,9 @@ static int shadow_context_status_change(struct notifier_block *nb,
struct intel_vgpu_workload *workload =
scheduler->current_workload[req->engine->id];
+ if (unlikely(!workload))
+ return NOTIFY_OK;
+
switch (action) {
case INTEL_CONTEXT_SCHEDULE_IN:
intel_gvt_load_render_mmio(workload->vgpu,
@@ -148,6 +151,15 @@ static int shadow_context_status_change(struct notifier_block *nb,
case INTEL_CONTEXT_SCHEDULE_OUT:
intel_gvt_restore_render_mmio(workload->vgpu,
workload->ring_id);
+ /* If the status is -EINPROGRESS means this workload
+ * doesn't meet any issue during dispatching so when
+ * get the SCHEDULE_OUT set the status to be zero for
+ * good. If the status is NOT -EINPROGRESS means there
+ * is something wrong happened during dispatching and
+ * the status should not be set to zero
+ */
+ if (workload->status == -EINPROGRESS)
+ workload->status = 0;
atomic_set(&workload->shadow_ctx_active, 0);
break;
default:
@@ -359,15 +371,23 @@ static void complete_current_workload(struct intel_gvt *gvt, int ring_id)
workload = scheduler->current_workload[ring_id];
vgpu = workload->vgpu;
- if (!workload->status && !vgpu->resetting) {
+ /* For the workload w/ request, needs to wait for the context
+ * switch to make sure request is completed.
+ * For the workload w/o request, directly complete the workload.
+ */
+ if (workload->req) {
wait_event(workload->shadow_ctx_status_wq,
!atomic_read(&workload->shadow_ctx_active));
- update_guest_context(workload);
+ i915_gem_request_put(fetch_and_zero(&workload->req));
+
+ if (!workload->status && !vgpu->resetting) {
+ update_guest_context(workload);
- for_each_set_bit(event, workload->pending_events,
- INTEL_GVT_EVENT_MAX)
- intel_vgpu_trigger_virtual_event(vgpu, event);
+ for_each_set_bit(event, workload->pending_events,
+ INTEL_GVT_EVENT_MAX)
+ intel_vgpu_trigger_virtual_event(vgpu, event);
+ }
}
gvt_dbg_sched("ring id %d complete workload %p status %d\n",
@@ -397,7 +417,6 @@ static int workload_thread(void *priv)
int ring_id = p->ring_id;
struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler;
struct intel_vgpu_workload *workload = NULL;
- long lret;
int ret;
bool need_force_wake = IS_SKYLAKE(gvt->dev_priv);
DEFINE_WAIT_FUNC(wait, woken_wake_function);
@@ -446,23 +465,24 @@ static int workload_thread(void *priv)
gvt_dbg_sched("ring id %d wait workload %p\n",
workload->ring_id, workload);
-
- lret = i915_wait_request(workload->req,
+retry:
+ i915_wait_request(workload->req,
0, MAX_SCHEDULE_TIMEOUT);
- if (lret < 0) {
- workload->status = lret;
- gvt_err("fail to wait workload, skip\n");
- } else {
- workload->status = 0;
+ /* I915 has replay mechanism and a request will be replayed
+ * if there is i915 reset. So the seqno will be updated anyway.
+ * If the seqno is not updated yet after waiting, which means
+ * the replay may still be in progress and we can wait again.
+ */
+ if (!i915_gem_request_completed(workload->req)) {
+ gvt_dbg_sched("workload %p not completed, wait again\n",
+ workload);
+ goto retry;
}
complete:
gvt_dbg_sched("will complete workload %p, status: %d\n",
workload, workload->status);
- if (workload->req)
- i915_gem_request_put(fetch_and_zero(&workload->req));
-
complete_current_workload(gvt, ring_id);
if (need_force_wake)
diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
index 95a97aa0051e..41cfa5ccae84 100644
--- a/drivers/gpu/drm/i915/gvt/vgpu.c
+++ b/drivers/gpu/drm/i915/gvt/vgpu.c
@@ -64,6 +64,20 @@ void populate_pvinfo_page(struct intel_vgpu *vgpu)
WARN_ON(sizeof(struct vgt_if) != VGT_PVINFO_SIZE);
}
+static struct {
+ unsigned int low_mm;
+ unsigned int high_mm;
+ unsigned int fence;
+ enum intel_vgpu_edid edid;
+ char *name;
+} vgpu_types[] = {
+/* Fixed vGPU type table */
+ { MB_TO_BYTES(64), MB_TO_BYTES(512), 4, GVT_EDID_1024_768, "8" },
+ { MB_TO_BYTES(128), MB_TO_BYTES(512), 4, GVT_EDID_1920_1200, "4" },
+ { MB_TO_BYTES(256), MB_TO_BYTES(1024), 4, GVT_EDID_1920_1200, "2" },
+ { MB_TO_BYTES(512), MB_TO_BYTES(2048), 4, GVT_EDID_1920_1200, "1" },
+};
+
/**
* intel_gvt_init_vgpu_types - initialize vGPU type list
* @gvt : GVT device
@@ -78,9 +92,8 @@ int intel_gvt_init_vgpu_types(struct intel_gvt *gvt)
unsigned int min_low;
/* vGPU type name is defined as GVTg_Vx_y which contains
- * physical GPU generation type and 'y' means maximum vGPU
- * instances user can create on one physical GPU for this
- * type.
+ * physical GPU generation type (e.g V4 as BDW server, V5 as
+ * SKL server).
*
* Depend on physical SKU resource, might see vGPU types like
* GVTg_V4_8, GVTg_V4_4, GVTg_V4_2, etc. We can create
@@ -92,7 +105,7 @@ int intel_gvt_init_vgpu_types(struct intel_gvt *gvt)
*/
low_avail = gvt_aperture_sz(gvt) - HOST_LOW_GM_SIZE;
high_avail = gvt_hidden_sz(gvt) - HOST_HIGH_GM_SIZE;
- num_types = 4;
+ num_types = sizeof(vgpu_types) / sizeof(vgpu_types[0]);
gvt->types = kzalloc(num_types * sizeof(struct intel_vgpu_type),
GFP_KERNEL);
@@ -101,28 +114,29 @@ int intel_gvt_init_vgpu_types(struct intel_gvt *gvt)
min_low = MB_TO_BYTES(32);
for (i = 0; i < num_types; ++i) {
- if (low_avail / min_low == 0)
+ if (low_avail / vgpu_types[i].low_mm == 0)
break;
- gvt->types[i].low_gm_size = min_low;
- gvt->types[i].high_gm_size = max((min_low<<3), MB_TO_BYTES(384U));
- gvt->types[i].fence = 4;
- gvt->types[i].max_instance = min(low_avail / min_low,
- high_avail / gvt->types[i].high_gm_size);
- gvt->types[i].avail_instance = gvt->types[i].max_instance;
+
+ gvt->types[i].low_gm_size = vgpu_types[i].low_mm;
+ gvt->types[i].high_gm_size = vgpu_types[i].high_mm;
+ gvt->types[i].fence = vgpu_types[i].fence;
+ gvt->types[i].resolution = vgpu_types[i].edid;
+ gvt->types[i].avail_instance = min(low_avail / vgpu_types[i].low_mm,
+ high_avail / vgpu_types[i].high_mm);
if (IS_GEN8(gvt->dev_priv))
- sprintf(gvt->types[i].name, "GVTg_V4_%u",
- gvt->types[i].max_instance);
+ sprintf(gvt->types[i].name, "GVTg_V4_%s",
+ vgpu_types[i].name);
else if (IS_GEN9(gvt->dev_priv))
- sprintf(gvt->types[i].name, "GVTg_V5_%u",
- gvt->types[i].max_instance);
+ sprintf(gvt->types[i].name, "GVTg_V5_%s",
+ vgpu_types[i].name);
- min_low <<= 1;
- gvt_dbg_core("type[%d]: %s max %u avail %u low %u high %u fence %u\n",
- i, gvt->types[i].name, gvt->types[i].max_instance,
+ gvt_dbg_core("type[%d]: %s avail %u low %u high %u fence %u res %s\n",
+ i, gvt->types[i].name,
gvt->types[i].avail_instance,
gvt->types[i].low_gm_size,
- gvt->types[i].high_gm_size, gvt->types[i].fence);
+ gvt->types[i].high_gm_size, gvt->types[i].fence,
+ vgpu_edid_str(gvt->types[i].resolution));
}
gvt->num_types = i;
@@ -138,7 +152,7 @@ static void intel_gvt_update_vgpu_types(struct intel_gvt *gvt)
{
int i;
unsigned int low_gm_avail, high_gm_avail, fence_avail;
- unsigned int low_gm_min, high_gm_min, fence_min, total_min;
+ unsigned int low_gm_min, high_gm_min, fence_min;
/* Need to depend on maxium hw resource size but keep on
* static config for now.
@@ -154,12 +168,11 @@ static void intel_gvt_update_vgpu_types(struct intel_gvt *gvt)
low_gm_min = low_gm_avail / gvt->types[i].low_gm_size;
high_gm_min = high_gm_avail / gvt->types[i].high_gm_size;
fence_min = fence_avail / gvt->types[i].fence;
- total_min = min(min(low_gm_min, high_gm_min), fence_min);
- gvt->types[i].avail_instance = min(gvt->types[i].max_instance,
- total_min);
+ gvt->types[i].avail_instance = min(min(low_gm_min, high_gm_min),
+ fence_min);
- gvt_dbg_core("update type[%d]: %s max %u avail %u low %u high %u fence %u\n",
- i, gvt->types[i].name, gvt->types[i].max_instance,
+ gvt_dbg_core("update type[%d]: %s avail %u low %u high %u fence %u\n",
+ i, gvt->types[i].name,
gvt->types[i].avail_instance, gvt->types[i].low_gm_size,
gvt->types[i].high_gm_size, gvt->types[i].fence);
}
@@ -248,7 +261,7 @@ static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt,
if (ret)
goto out_detach_hypervisor_vgpu;
- ret = intel_vgpu_init_display(vgpu);
+ ret = intel_vgpu_init_display(vgpu, param->resolution);
if (ret)
goto out_clean_gtt;
@@ -312,6 +325,7 @@ struct intel_vgpu *intel_gvt_create_vgpu(struct intel_gvt *gvt,
param.low_gm_sz = type->low_gm_size;
param.high_gm_sz = type->high_gm_size;
param.fence_sz = type->fence;
+ param.resolution = type->resolution;
/* XXX current param based on MB */
param.low_gm_sz = BYTES_TO_MB(param.low_gm_sz);
@@ -387,8 +401,12 @@ void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr,
populate_pvinfo_page(vgpu);
intel_vgpu_reset_display(vgpu);
- if (dmlr)
+ if (dmlr) {
intel_vgpu_reset_cfg_space(vgpu);
+ /* only reset the failsafe mode when dmlr reset */
+ vgpu->failsafe = false;
+ vgpu->pv_notified = false;
+ }
}
vgpu->resetting = false;
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_crtc.c b/drivers/gpu/drm/mxsfb/mxsfb_crtc.c
index e10a4eda4078..1144e0c9e894 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_crtc.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_crtc.c
@@ -65,13 +65,11 @@ static int mxsfb_set_pixel_fmt(struct mxsfb_drm_private *mxsfb)
switch (format) {
case DRM_FORMAT_RGB565:
dev_dbg(drm->dev, "Setting up RGB565 mode\n");
- ctrl |= CTRL_SET_BUS_WIDTH(STMLCDIF_16BIT);
ctrl |= CTRL_SET_WORD_LENGTH(0);
ctrl1 |= CTRL1_SET_BYTE_PACKAGING(0xf);
break;
case DRM_FORMAT_XRGB8888:
dev_dbg(drm->dev, "Setting up XRGB8888 mode\n");
- ctrl |= CTRL_SET_BUS_WIDTH(STMLCDIF_24BIT);
ctrl |= CTRL_SET_WORD_LENGTH(3);
/* Do not use packed pixels = one pixel per word instead. */
ctrl1 |= CTRL1_SET_BYTE_PACKAGING(0x7);
@@ -87,6 +85,36 @@ static int mxsfb_set_pixel_fmt(struct mxsfb_drm_private *mxsfb)
return 0;
}
+static void mxsfb_set_bus_fmt(struct mxsfb_drm_private *mxsfb)
+{
+ struct drm_crtc *crtc = &mxsfb->pipe.crtc;
+ struct drm_device *drm = crtc->dev;
+ u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+ u32 reg;
+
+ reg = readl(mxsfb->base + LCDC_CTRL);
+
+ if (mxsfb->connector.display_info.num_bus_formats)
+ bus_format = mxsfb->connector.display_info.bus_formats[0];
+
+ reg &= ~CTRL_BUS_WIDTH_MASK;
+ switch (bus_format) {
+ case MEDIA_BUS_FMT_RGB565_1X16:
+ reg |= CTRL_SET_BUS_WIDTH(STMLCDIF_16BIT);
+ break;
+ case MEDIA_BUS_FMT_RGB666_1X18:
+ reg |= CTRL_SET_BUS_WIDTH(STMLCDIF_18BIT);
+ break;
+ case MEDIA_BUS_FMT_RGB888_1X24:
+ reg |= CTRL_SET_BUS_WIDTH(STMLCDIF_24BIT);
+ break;
+ default:
+ dev_err(drm->dev, "Unknown media bus format %d\n", bus_format);
+ break;
+ }
+ writel(reg, mxsfb->base + LCDC_CTRL);
+}
+
static void mxsfb_enable_controller(struct mxsfb_drm_private *mxsfb)
{
u32 reg;
@@ -168,13 +196,22 @@ static void mxsfb_crtc_mode_set_nofb(struct mxsfb_drm_private *mxsfb)
vdctrl0 |= VDCTRL0_HSYNC_ACT_HIGH;
if (m->flags & DRM_MODE_FLAG_PVSYNC)
vdctrl0 |= VDCTRL0_VSYNC_ACT_HIGH;
- if (bus_flags & DRM_BUS_FLAG_DE_HIGH)
+ /* Make sure Data Enable is high active by default */
+ if (!(bus_flags & DRM_BUS_FLAG_DE_LOW))
vdctrl0 |= VDCTRL0_ENABLE_ACT_HIGH;
- if (bus_flags & DRM_BUS_FLAG_PIXDATA_NEGEDGE)
+ /*
+ * DRM_BUS_FLAG_PIXDATA_ defines are controller centric,
+ * controllers VDCTRL0_DOTCLK is display centric.
+ * Drive on positive edge -> display samples on falling edge
+ * DRM_BUS_FLAG_PIXDATA_POSEDGE -> VDCTRL0_DOTCLK_ACT_FALLING
+ */
+ if (bus_flags & DRM_BUS_FLAG_PIXDATA_POSEDGE)
vdctrl0 |= VDCTRL0_DOTCLK_ACT_FALLING;
writel(vdctrl0, mxsfb->base + LCDC_VDCTRL0);
+ mxsfb_set_bus_fmt(mxsfb);
+
/* Frame length in lines. */
writel(m->crtc_vtotal, mxsfb->base + LCDC_VDCTRL1);
@@ -184,8 +221,8 @@ static void mxsfb_crtc_mode_set_nofb(struct mxsfb_drm_private *mxsfb)
VDCTRL2_SET_HSYNC_PERIOD(m->crtc_htotal),
mxsfb->base + LCDC_VDCTRL2);
- writel(SET_HOR_WAIT_CNT(m->crtc_hblank_end - m->crtc_hsync_end) |
- SET_VERT_WAIT_CNT(m->crtc_vblank_end - m->crtc_vsync_end),
+ writel(SET_HOR_WAIT_CNT(m->crtc_htotal - m->crtc_hsync_start) |
+ SET_VERT_WAIT_CNT(m->crtc_vtotal - m->crtc_vsync_start),
mxsfb->base + LCDC_VDCTRL3);
writel(SET_DOTCLK_H_VALID_DATA_CNT(m->hdisplay),
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
index cdfbe0284635..ff6d6a6f842e 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c
@@ -102,14 +102,18 @@ static void mxsfb_pipe_enable(struct drm_simple_display_pipe *pipe,
{
struct mxsfb_drm_private *mxsfb = drm_pipe_to_mxsfb_drm_private(pipe);
+ drm_panel_prepare(mxsfb->panel);
mxsfb_crtc_enable(mxsfb);
+ drm_panel_enable(mxsfb->panel);
}
static void mxsfb_pipe_disable(struct drm_simple_display_pipe *pipe)
{
struct mxsfb_drm_private *mxsfb = drm_pipe_to_mxsfb_drm_private(pipe);
+ drm_panel_disable(mxsfb->panel);
mxsfb_crtc_disable(mxsfb);
+ drm_panel_unprepare(mxsfb->panel);
}
static void mxsfb_pipe_update(struct drm_simple_display_pipe *pipe,
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_out.c b/drivers/gpu/drm/mxsfb/mxsfb_out.c
index fa8d17399407..b8e81422d4e2 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_out.c
+++ b/drivers/gpu/drm/mxsfb/mxsfb_out.c
@@ -112,6 +112,7 @@ static int mxsfb_attach_endpoint(struct drm_device *drm,
int mxsfb_create_output(struct drm_device *drm)
{
+ struct mxsfb_drm_private *mxsfb = drm->dev_private;
struct device_node *ep_np = NULL;
struct of_endpoint ep;
int ret;
@@ -127,5 +128,8 @@ int mxsfb_create_output(struct drm_device *drm)
}
}
+ if (!mxsfb->panel)
+ return -EPROBE_DEFER;
+
return 0;
}
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_regs.h b/drivers/gpu/drm/mxsfb/mxsfb_regs.h
index 31d62cd0d3d7..66a6ba9ec533 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_regs.h
+++ b/drivers/gpu/drm/mxsfb/mxsfb_regs.h
@@ -44,6 +44,7 @@
#define CTRL_DATA_SELECT (1 << 16)
#define CTRL_SET_BUS_WIDTH(x) (((x) & 0x3) << 10)
#define CTRL_GET_BUS_WIDTH(x) (((x) >> 10) & 0x3)
+#define CTRL_BUS_WIDTH_MASK (0x3 << 10)
#define CTRL_SET_WORD_LENGTH(x) (((x) & 0x3) << 8)
#define CTRL_GET_WORD_LENGTH(x) (((x) >> 8) & 0x3)
#define CTRL_MASTER (1 << 5)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index b5bfbe50bd87..b0ff304ce3dc 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -32,6 +32,10 @@ void rcar_du_vsp_enable(struct rcar_du_crtc *crtc)
{
const struct drm_display_mode *mode = &crtc->crtc.state->adjusted_mode;
struct rcar_du_device *rcdu = crtc->group->dev;
+ struct vsp1_du_lif_config cfg = {
+ .width = mode->hdisplay,
+ .height = mode->vdisplay,
+ };
struct rcar_du_plane_state state = {
.state = {
.crtc = &crtc->crtc,
@@ -66,12 +70,12 @@ void rcar_du_vsp_enable(struct rcar_du_crtc *crtc)
*/
crtc->group->need_restart = true;
- vsp1_du_setup_lif(crtc->vsp->vsp, mode->hdisplay, mode->vdisplay);
+ vsp1_du_setup_lif(crtc->vsp->vsp, &cfg);
}
void rcar_du_vsp_disable(struct rcar_du_crtc *crtc)
{
- vsp1_du_setup_lif(crtc->vsp->vsp, 0, 0);
+ vsp1_du_setup_lif(crtc->vsp->vsp, NULL);
}
void rcar_du_vsp_atomic_begin(struct rcar_du_crtc *crtc)
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 81a80c82f1bd..bd0d1988feb2 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -543,7 +543,7 @@ static int vmbus_close_internal(struct vmbus_channel *channel)
/*
* In case a device driver's probe() fails (e.g.,
* util_probe() -> vmbus_open() returns -ENOMEM) and the device is
- * rescinded later (e.g., we dynamically disble an Integrated Service
+ * rescinded later (e.g., we dynamically disable an Integrated Service
* in Hyper-V Manager), the driver's remove() invokes vmbus_close():
* here we should skip most of the below cleanup work.
*/
diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c
index 0652281662a8..78792b4d6437 100644
--- a/drivers/i2c/busses/i2c-brcmstb.c
+++ b/drivers/i2c/busses/i2c-brcmstb.c
@@ -465,6 +465,7 @@ static int brcmstb_i2c_xfer(struct i2c_adapter *adapter,
u8 *tmp_buf;
int len = 0;
int xfersz = brcmstb_i2c_get_xfersz(dev);
+ u32 cond, cond_per_msg;
if (dev->is_suspended)
return -EBUSY;
@@ -481,10 +482,11 @@ static int brcmstb_i2c_xfer(struct i2c_adapter *adapter,
pmsg->buf ? pmsg->buf[0] : '0', pmsg->len);
if (i < (num - 1) && (msgs[i + 1].flags & I2C_M_NOSTART))
- brcmstb_set_i2c_start_stop(dev, ~(COND_START_STOP));
+ cond = ~COND_START_STOP;
else
- brcmstb_set_i2c_start_stop(dev,
- COND_RESTART | COND_NOSTOP);
+ cond = COND_RESTART | COND_NOSTOP;
+
+ brcmstb_set_i2c_start_stop(dev, cond);
/* Send slave address */
if (!(pmsg->flags & I2C_M_NOSTART)) {
@@ -497,13 +499,24 @@ static int brcmstb_i2c_xfer(struct i2c_adapter *adapter,
}
}
+ cond_per_msg = cond;
+
/* Perform data transfer */
while (len) {
bytes_to_xfer = min(len, xfersz);
- if (len <= xfersz && i == (num - 1))
- brcmstb_set_i2c_start_stop(dev,
- ~(COND_START_STOP));
+ if (len <= xfersz) {
+ if (i == (num - 1))
+ cond_per_msg = cond_per_msg &
+ ~(COND_RESTART | COND_NOSTOP);
+ else
+ cond_per_msg = cond;
+ } else {
+ cond_per_msg = (cond_per_msg & ~COND_RESTART) |
+ COND_NOSTOP;
+ }
+
+ brcmstb_set_i2c_start_stop(dev, cond_per_msg);
rc = brcmstb_i2c_xfer_bsc_data(dev, tmp_buf,
bytes_to_xfer, pmsg);
@@ -512,6 +525,8 @@ static int brcmstb_i2c_xfer(struct i2c_adapter *adapter,
len -= bytes_to_xfer;
tmp_buf += bytes_to_xfer;
+
+ cond_per_msg = COND_NOSTART | COND_NOSTOP;
}
}
diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h
index c1db3a5a340f..d9aaf1790e0e 100644
--- a/drivers/i2c/busses/i2c-designware-core.h
+++ b/drivers/i2c/busses/i2c-designware-core.h
@@ -88,6 +88,7 @@ struct dw_i2c_dev {
void __iomem *base;
struct completion cmd_complete;
struct clk *clk;
+ struct reset_control *rst;
u32 (*get_clk_rate_khz) (struct dw_i2c_dev *dev);
struct dw_pci_controller *controller;
int cmd_err;
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 6ce431323125..79c4b4ea0539 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -38,6 +38,7 @@
#include <linux/pm_runtime.h>
#include <linux/property.h>
#include <linux/io.h>
+#include <linux/reset.h>
#include <linux/slab.h>
#include <linux/acpi.h>
#include <linux/platform_data/i2c-designware.h>
@@ -199,6 +200,14 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
dev->irq = irq;
platform_set_drvdata(pdev, dev);
+ dev->rst = devm_reset_control_get_optional_exclusive(&pdev->dev, NULL);
+ if (IS_ERR(dev->rst)) {
+ if (PTR_ERR(dev->rst) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ } else {
+ reset_control_deassert(dev->rst);
+ }
+
if (pdata) {
dev->clk_freq = pdata->i2c_scl_freq;
} else {
@@ -235,12 +244,13 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
&& dev->clk_freq != 1000000 && dev->clk_freq != 3400000) {
dev_err(&pdev->dev,
"Only 100kHz, 400kHz, 1MHz and 3.4MHz supported");
- return -EINVAL;
+ r = -EINVAL;
+ goto exit_reset;
}
r = i2c_dw_eval_lock_support(dev);
if (r)
- return r;
+ goto exit_reset;
dev->functionality = I2C_FUNC_10BIT_ADDR | DW_IC_DEFAULT_FUNCTIONALITY;
@@ -286,10 +296,18 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
}
r = i2c_dw_probe(dev);
- if (r && !dev->pm_runtime_disabled)
- pm_runtime_disable(&pdev->dev);
+ if (r)
+ goto exit_probe;
return r;
+
+exit_probe:
+ if (!dev->pm_runtime_disabled)
+ pm_runtime_disable(&pdev->dev);
+exit_reset:
+ if (!IS_ERR_OR_NULL(dev->rst))
+ reset_control_assert(dev->rst);
+ return r;
}
static int dw_i2c_plat_remove(struct platform_device *pdev)
@@ -306,6 +324,8 @@ static int dw_i2c_plat_remove(struct platform_device *pdev)
pm_runtime_put_sync(&pdev->dev);
if (!dev->pm_runtime_disabled)
pm_runtime_disable(&pdev->dev);
+ if (!IS_ERR_OR_NULL(dev->rst))
+ reset_control_assert(dev->rst);
return 0;
}
diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
index cbd93ce0661f..736a82472101 100644
--- a/drivers/i2c/busses/i2c-exynos5.c
+++ b/drivers/i2c/busses/i2c-exynos5.c
@@ -457,7 +457,6 @@ static irqreturn_t exynos5_i2c_irq(int irqno, void *dev_id)
int_status = readl(i2c->regs + HSI2C_INT_STATUS);
writel(int_status, i2c->regs + HSI2C_INT_STATUS);
- trans_status = readl(i2c->regs + HSI2C_TRANS_STATUS);
/* handle interrupt related to the transfer status */
if (i2c->variant->hw == HSI2C_EXYNOS7) {
@@ -482,11 +481,13 @@ static irqreturn_t exynos5_i2c_irq(int irqno, void *dev_id)
goto stop;
}
+ trans_status = readl(i2c->regs + HSI2C_TRANS_STATUS);
if ((trans_status & HSI2C_MASTER_ST_MASK) == HSI2C_MASTER_ST_LOSE) {
i2c->state = -EAGAIN;
goto stop;
}
} else if (int_status & HSI2C_INT_I2C) {
+ trans_status = readl(i2c->regs + HSI2C_TRANS_STATUS);
if (trans_status & HSI2C_NO_DEV_ACK) {
dev_dbg(i2c->dev, "No ACK from device\n");
i2c->state = -ENXIO;
diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c
index 2aa61bbbd307..73b97c71a484 100644
--- a/drivers/i2c/busses/i2c-meson.c
+++ b/drivers/i2c/busses/i2c-meson.c
@@ -175,7 +175,7 @@ static void meson_i2c_put_data(struct meson_i2c *i2c, char *buf, int len)
wdata1 |= *buf++ << ((i - 4) * 8);
writel(wdata0, i2c->regs + REG_TOK_WDATA0);
- writel(wdata0, i2c->regs + REG_TOK_WDATA1);
+ writel(wdata1, i2c->regs + REG_TOK_WDATA1);
dev_dbg(i2c->dev, "%s: data %08x %08x len %d\n", __func__,
wdata0, wdata1, len);
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 4a7d9bc2142b..45d61714c81b 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -172,14 +172,6 @@ static const struct i2c_adapter_quirks mt6577_i2c_quirks = {
.max_comb_2nd_msg_len = 31,
};
-static const struct i2c_adapter_quirks mt8173_i2c_quirks = {
- .max_num_msgs = 65535,
- .max_write_len = 65535,
- .max_read_len = 65535,
- .max_comb_1st_msg_len = 65535,
- .max_comb_2nd_msg_len = 65535,
-};
-
static const struct mtk_i2c_compatible mt6577_compat = {
.quirks = &mt6577_i2c_quirks,
.pmic_i2c = 0,
@@ -199,7 +191,6 @@ static const struct mtk_i2c_compatible mt6589_compat = {
};
static const struct mtk_i2c_compatible mt8173_compat = {
- .quirks = &mt8173_i2c_quirks,
.pmic_i2c = 0,
.dcm = 1,
.auto_restart = 1,
diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c
index 8f11d347b3ec..c811af4c8d81 100644
--- a/drivers/i2c/busses/i2c-riic.c
+++ b/drivers/i2c/busses/i2c-riic.c
@@ -218,8 +218,12 @@ static irqreturn_t riic_tend_isr(int irq, void *data)
}
if (riic->is_last || riic->err) {
- riic_clear_set_bit(riic, 0, ICIER_SPIE, RIIC_ICIER);
+ riic_clear_set_bit(riic, ICIER_TEIE, ICIER_SPIE, RIIC_ICIER);
writeb(ICCR2_SP, riic->base + RIIC_ICCR2);
+ } else {
+ /* Transfer is complete, but do not send STOP */
+ riic_clear_set_bit(riic, ICIER_TEIE, 0, RIIC_ICIER);
+ complete(&riic->msg_done);
}
return IRQ_HANDLED;
diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c
index 83768e85a919..2178266bca79 100644
--- a/drivers/i2c/i2c-mux.c
+++ b/drivers/i2c/i2c-mux.c
@@ -429,6 +429,7 @@ void i2c_mux_del_adapters(struct i2c_mux_core *muxc)
while (muxc->num_adapters) {
struct i2c_adapter *adap = muxc->adapter[--muxc->num_adapters];
struct i2c_mux_priv *priv = adap->algo_data;
+ struct device_node *np = adap->dev.of_node;
muxc->adapter[muxc->num_adapters] = NULL;
@@ -438,6 +439,7 @@ void i2c_mux_del_adapters(struct i2c_mux_core *muxc)
sysfs_remove_link(&priv->adap.dev.kobj, "mux_device");
i2c_del_adapter(adap);
+ of_node_put(np);
kfree(priv);
}
}
diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
index 1eef56a89b1f..f96601268f71 100644
--- a/drivers/irqchip/irq-crossbar.c
+++ b/drivers/irqchip/irq-crossbar.c
@@ -198,7 +198,8 @@ static const struct irq_domain_ops crossbar_domain_ops = {
static int __init crossbar_of_init(struct device_node *node)
{
- int i, size, max = 0, reserved = 0, entry;
+ u32 max = 0, entry, reg_size;
+ int i, size, reserved = 0;
const __be32 *irqsr;
int ret = -ENOMEM;
@@ -275,9 +276,9 @@ static int __init crossbar_of_init(struct device_node *node)
if (!cb->register_offsets)
goto err_irq_map;
- of_property_read_u32(node, "ti,reg-size", &size);
+ of_property_read_u32(node, "ti,reg-size", &reg_size);
- switch (size) {
+ switch (reg_size) {
case 1:
cb->write = crossbar_writeb;
break;
@@ -303,7 +304,7 @@ static int __init crossbar_of_init(struct device_node *node)
continue;
cb->register_offsets[i] = reserved;
- reserved += size;
+ reserved += reg_size;
}
of_property_read_u32(node, "ti,irqs-safe-map", &cb->safe_map);
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 23201004fd7a..f77f840d2b5f 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1601,6 +1601,14 @@ static void __maybe_unused its_enable_quirk_cavium_23144(void *data)
its->flags |= ITS_FLAGS_WORKAROUND_CAVIUM_23144;
}
+static void __maybe_unused its_enable_quirk_qdf2400_e0065(void *data)
+{
+ struct its_node *its = data;
+
+ /* On QDF2400, the size of the ITE is 16Bytes */
+ its->ite_size = 16;
+}
+
static const struct gic_quirk its_quirks[] = {
#ifdef CONFIG_CAVIUM_ERRATUM_22375
{
@@ -1618,6 +1626,14 @@ static const struct gic_quirk its_quirks[] = {
.init = its_enable_quirk_cavium_23144,
},
#endif
+#ifdef CONFIG_QCOM_QDF2400_ERRATUM_0065
+ {
+ .desc = "ITS: QDF2400 erratum 0065",
+ .iidr = 0x00001070, /* QDF2400 ITS rev 1.x */
+ .mask = 0xffffffff,
+ .init = its_enable_quirk_qdf2400_e0065,
+ },
+#endif
{
}
};
diff --git a/drivers/isdn/hisax/st5481_b.c b/drivers/isdn/hisax/st5481_b.c
index 409849165838..f64a36007800 100644
--- a/drivers/isdn/hisax/st5481_b.c
+++ b/drivers/isdn/hisax/st5481_b.c
@@ -239,7 +239,7 @@ static void st5481B_mode(struct st5481_bcs *bcs, int mode)
}
}
} else {
- // Disble B channel interrupts
+ // Disable B channel interrupts
st5481_usb_device_ctrl_msg(adapter, FFMSK_B1+(bcs->channel * 2), 0, NULL, NULL);
// Disable B channel FIFOs
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 3f041b187033..f757cef293f8 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -392,6 +392,7 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
* To get all the fields, copy all archdata
*/
dev->ofdev.dev.archdata = chip->lbus.pdev->dev.archdata;
+ dev->ofdev.dev.dma_ops = chip->lbus.pdev->dev.dma_ops;
#endif /* CONFIG_PCI */
#ifdef DEBUG
diff --git a/drivers/md/bcache/util.h b/drivers/md/bcache/util.h
index a126919ed102..5d13930f0f22 100644
--- a/drivers/md/bcache/util.h
+++ b/drivers/md/bcache/util.h
@@ -4,7 +4,6 @@
#include <linux/blkdev.h>
#include <linux/errno.h>
-#include <linux/blkdev.h>
#include <linux/kernel.h>
#include <linux/sched/clock.h>
#include <linux/llist.h>
diff --git a/drivers/media/dvb-frontends/drx39xyj/drx_driver.h b/drivers/media/dvb-frontends/drx39xyj/drx_driver.h
index 7a681d8202c7..4442e478db72 100644
--- a/drivers/media/dvb-frontends/drx39xyj/drx_driver.h
+++ b/drivers/media/dvb-frontends/drx39xyj/drx_driver.h
@@ -256,8 +256,7 @@ int drxbsp_tuner_default_i2c_write_read(struct tuner_instance *tuner,
*
* The actual DAP implementation may be restricted to only one of the modes.
* A compiler warning or error will be generated if the DAP implementation
-* overides or cannot handle the mode defined below.
-*
+* overrides or cannot handle the mode defined below.
*/
#ifndef DRXDAP_SINGLE_MASTER
#define DRXDAP_SINGLE_MASTER 1
@@ -272,7 +271,7 @@ int drxbsp_tuner_default_i2c_write_read(struct tuner_instance *tuner,
*
* This maximum size may be restricted by the actual DAP implementation.
* A compiler warning or error will be generated if the DAP implementation
-* overides or cannot handle the chunksize defined below.
+* overrides or cannot handle the chunksize defined below.
*
* Beware that the DAP uses DRXDAP_MAX_WCHUNKSIZE to create a temporary data
* buffer. Do not undefine or choose too large, unless your system is able to
@@ -292,8 +291,7 @@ int drxbsp_tuner_default_i2c_write_read(struct tuner_instance *tuner,
*
* This maximum size may be restricted by the actual DAP implementation.
* A compiler warning or error will be generated if the DAP implementation
-* overides or cannot handle the chunksize defined below.
-*
+* overrides or cannot handle the chunksize defined below.
*/
#ifndef DRXDAP_MAX_RCHUNKSIZE
#define DRXDAP_MAX_RCHUNKSIZE 60
diff --git a/drivers/media/platform/vsp1/vsp1_drm.c b/drivers/media/platform/vsp1/vsp1_drm.c
index b4b583f7137a..b4c0f10fc3b0 100644
--- a/drivers/media/platform/vsp1/vsp1_drm.c
+++ b/drivers/media/platform/vsp1/vsp1_drm.c
@@ -54,12 +54,11 @@ EXPORT_SYMBOL_GPL(vsp1_du_init);
/**
* vsp1_du_setup_lif - Setup the output part of the VSP pipeline
* @dev: the VSP device
- * @width: output frame width in pixels
- * @height: output frame height in pixels
+ * @cfg: the LIF configuration
*
- * Configure the output part of VSP DRM pipeline for the given frame @width and
- * @height. This sets up formats on the BRU source pad, the WPF0 sink and source
- * pads, and the LIF sink pad.
+ * Configure the output part of VSP DRM pipeline for the given frame @cfg.width
+ * and @cfg.height. This sets up formats on the BRU source pad, the WPF0 sink
+ * and source pads, and the LIF sink pad.
*
* As the media bus code on the BRU source pad is conditioned by the
* configuration of the BRU sink 0 pad, we also set up the formats on all BRU
@@ -69,8 +68,7 @@ EXPORT_SYMBOL_GPL(vsp1_du_init);
*
* Return 0 on success or a negative error code on failure.
*/
-int vsp1_du_setup_lif(struct device *dev, unsigned int width,
- unsigned int height)
+int vsp1_du_setup_lif(struct device *dev, const struct vsp1_du_lif_config *cfg)
{
struct vsp1_device *vsp1 = dev_get_drvdata(dev);
struct vsp1_pipeline *pipe = &vsp1->drm->pipe;
@@ -79,11 +77,8 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int width,
unsigned int i;
int ret;
- dev_dbg(vsp1->dev, "%s: configuring LIF with format %ux%u\n",
- __func__, width, height);
-
- if (width == 0 || height == 0) {
- /* Zero width or height means the CRTC is being disabled, stop
+ if (!cfg) {
+ /* NULL configuration means the CRTC is being disabled, stop
* the pipeline and turn the light off.
*/
ret = vsp1_pipeline_stop(pipe);
@@ -108,6 +103,9 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int width,
return 0;
}
+ dev_dbg(vsp1->dev, "%s: configuring LIF with format %ux%u\n",
+ __func__, cfg->width, cfg->height);
+
/* Configure the format at the BRU sinks and propagate it through the
* pipeline.
*/
@@ -117,8 +115,8 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int width,
for (i = 0; i < bru->entity.source_pad; ++i) {
format.pad = i;
- format.format.width = width;
- format.format.height = height;
+ format.format.width = cfg->width;
+ format.format.height = cfg->height;
format.format.code = MEDIA_BUS_FMT_ARGB8888_1X32;
format.format.field = V4L2_FIELD_NONE;
@@ -133,8 +131,8 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int width,
}
format.pad = bru->entity.source_pad;
- format.format.width = width;
- format.format.height = height;
+ format.format.width = cfg->width;
+ format.format.height = cfg->height;
format.format.code = MEDIA_BUS_FMT_ARGB8888_1X32;
format.format.field = V4L2_FIELD_NONE;
@@ -180,7 +178,8 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int width,
/* Verify that the format at the output of the pipeline matches the
* requested frame size and media bus code.
*/
- if (format.format.width != width || format.format.height != height ||
+ if (format.format.width != cfg->width ||
+ format.format.height != cfg->height ||
format.format.code != MEDIA_BUS_FMT_ARGB8888_1X32) {
dev_dbg(vsp1->dev, "%s: format mismatch\n", __func__);
return -EPIPE;
diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index 393dccaabdd0..1688893a65bb 100644
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -436,6 +436,8 @@ int lirc_dev_fop_open(struct inode *inode, struct file *file)
return -ERESTARTSYS;
ir = irctls[iminor(inode)];
+ mutex_unlock(&lirc_dev_lock);
+
if (!ir) {
retval = -ENODEV;
goto error;
@@ -476,8 +478,6 @@ int lirc_dev_fop_open(struct inode *inode, struct file *file)
}
error:
- mutex_unlock(&lirc_dev_lock);
-
nonseekable_open(inode, file);
return retval;
diff --git a/drivers/media/rc/nuvoton-cir.c b/drivers/media/rc/nuvoton-cir.c
index b109f8246b96..ec4b25bd2ec2 100644
--- a/drivers/media/rc/nuvoton-cir.c
+++ b/drivers/media/rc/nuvoton-cir.c
@@ -176,12 +176,13 @@ static void nvt_write_wakeup_codes(struct rc_dev *dev,
{
u8 tolerance, config;
struct nvt_dev *nvt = dev->priv;
+ unsigned long flags;
int i;
/* hardcode the tolerance to 10% */
tolerance = DIV_ROUND_UP(count, 10);
- spin_lock(&nvt->lock);
+ spin_lock_irqsave(&nvt->lock, flags);
nvt_clear_cir_wake_fifo(nvt);
nvt_cir_wake_reg_write(nvt, count, CIR_WAKE_FIFO_CMP_DEEP);
@@ -203,7 +204,7 @@ static void nvt_write_wakeup_codes(struct rc_dev *dev,
nvt_cir_wake_reg_write(nvt, config, CIR_WAKE_IRCON);
- spin_unlock(&nvt->lock);
+ spin_unlock_irqrestore(&nvt->lock, flags);
}
static ssize_t wakeup_data_show(struct device *dev,
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index 2424946740e6..d84533699668 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -1663,6 +1663,7 @@ static int rc_setup_rx_device(struct rc_dev *dev)
{
int rc;
struct rc_map *rc_map;
+ u64 rc_type;
if (!dev->map_name)
return -EINVAL;
@@ -1677,15 +1678,18 @@ static int rc_setup_rx_device(struct rc_dev *dev)
if (rc)
return rc;
- if (dev->change_protocol) {
- u64 rc_type = (1ll << rc_map->rc_type);
+ rc_type = BIT_ULL(rc_map->rc_type);
+ if (dev->change_protocol) {
rc = dev->change_protocol(dev, &rc_type);
if (rc < 0)
goto out_table;
dev->enabled_protocols = rc_type;
}
+ if (dev->driver_type == RC_DRIVER_IR_RAW)
+ ir_raw_load_modules(&rc_type);
+
set_bit(EV_KEY, dev->input_dev->evbit);
set_bit(EV_REP, dev->input_dev->evbit);
set_bit(EV_MSC, dev->input_dev->evbit);
@@ -1777,12 +1781,6 @@ int rc_register_device(struct rc_dev *dev)
dev->input_name ?: "Unspecified device", path ?: "N/A");
kfree(path);
- if (dev->driver_type != RC_DRIVER_IR_RAW_TX) {
- rc = rc_setup_rx_device(dev);
- if (rc)
- goto out_dev;
- }
-
if (dev->driver_type == RC_DRIVER_IR_RAW ||
dev->driver_type == RC_DRIVER_IR_RAW_TX) {
if (!raw_init) {
@@ -1791,7 +1789,13 @@ int rc_register_device(struct rc_dev *dev)
}
rc = ir_raw_event_register(dev);
if (rc < 0)
- goto out_rx;
+ goto out_dev;
+ }
+
+ if (dev->driver_type != RC_DRIVER_IR_RAW_TX) {
+ rc = rc_setup_rx_device(dev);
+ if (rc)
+ goto out_raw;
}
/* Allow the RC sysfs nodes to be accessible */
@@ -1803,8 +1807,8 @@ int rc_register_device(struct rc_dev *dev)
return 0;
-out_rx:
- rc_free_rx_device(dev);
+out_raw:
+ ir_raw_event_unregister(dev);
out_dev:
device_del(&dev->dev);
out_unlock:
diff --git a/drivers/media/rc/serial_ir.c b/drivers/media/rc/serial_ir.c
index 923fb2299553..41b54e40176c 100644
--- a/drivers/media/rc/serial_ir.c
+++ b/drivers/media/rc/serial_ir.c
@@ -487,10 +487,69 @@ static void serial_ir_timeout(unsigned long arg)
ir_raw_event_handle(serial_ir.rcdev);
}
+/* Needed by serial_ir_probe() */
+static int serial_ir_tx(struct rc_dev *dev, unsigned int *txbuf,
+ unsigned int count);
+static int serial_ir_tx_duty_cycle(struct rc_dev *dev, u32 cycle);
+static int serial_ir_tx_carrier(struct rc_dev *dev, u32 carrier);
+static int serial_ir_open(struct rc_dev *rcdev);
+static void serial_ir_close(struct rc_dev *rcdev);
+
static int serial_ir_probe(struct platform_device *dev)
{
+ struct rc_dev *rcdev;
int i, nlow, nhigh, result;
+ rcdev = devm_rc_allocate_device(&dev->dev, RC_DRIVER_IR_RAW);
+ if (!rcdev)
+ return -ENOMEM;
+
+ if (hardware[type].send_pulse && hardware[type].send_space)
+ rcdev->tx_ir = serial_ir_tx;
+ if (hardware[type].set_send_carrier)
+ rcdev->s_tx_carrier = serial_ir_tx_carrier;
+ if (hardware[type].set_duty_cycle)
+ rcdev->s_tx_duty_cycle = serial_ir_tx_duty_cycle;
+
+ switch (type) {
+ case IR_HOMEBREW:
+ rcdev->input_name = "Serial IR type home-brew";
+ break;
+ case IR_IRDEO:
+ rcdev->input_name = "Serial IR type IRdeo";
+ break;
+ case IR_IRDEO_REMOTE:
+ rcdev->input_name = "Serial IR type IRdeo remote";
+ break;
+ case IR_ANIMAX:
+ rcdev->input_name = "Serial IR type AnimaX";
+ break;
+ case IR_IGOR:
+ rcdev->input_name = "Serial IR type IgorPlug";
+ break;
+ }
+
+ rcdev->input_phys = KBUILD_MODNAME "/input0";
+ rcdev->input_id.bustype = BUS_HOST;
+ rcdev->input_id.vendor = 0x0001;
+ rcdev->input_id.product = 0x0001;
+ rcdev->input_id.version = 0x0100;
+ rcdev->open = serial_ir_open;
+ rcdev->close = serial_ir_close;
+ rcdev->dev.parent = &serial_ir.pdev->dev;
+ rcdev->allowed_protocols = RC_BIT_ALL_IR_DECODER;
+ rcdev->driver_name = KBUILD_MODNAME;
+ rcdev->map_name = RC_MAP_RC6_MCE;
+ rcdev->min_timeout = 1;
+ rcdev->timeout = IR_DEFAULT_TIMEOUT;
+ rcdev->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
+ rcdev->rx_resolution = 250000;
+
+ serial_ir.rcdev = rcdev;
+
+ setup_timer(&serial_ir.timeout_timer, serial_ir_timeout,
+ (unsigned long)&serial_ir);
+
result = devm_request_irq(&dev->dev, irq, serial_ir_irq_handler,
share_irq ? IRQF_SHARED : 0,
KBUILD_MODNAME, &hardware);
@@ -516,9 +575,6 @@ static int serial_ir_probe(struct platform_device *dev)
return -EBUSY;
}
- setup_timer(&serial_ir.timeout_timer, serial_ir_timeout,
- (unsigned long)&serial_ir);
-
result = hardware_init_port();
if (result < 0)
return result;
@@ -552,7 +608,8 @@ static int serial_ir_probe(struct platform_device *dev)
sense ? "low" : "high");
dev_dbg(&dev->dev, "Interrupt %d, port %04x obtained\n", irq, io);
- return 0;
+
+ return devm_rc_register_device(&dev->dev, rcdev);
}
static int serial_ir_open(struct rc_dev *rcdev)
@@ -723,7 +780,6 @@ static void serial_ir_exit(void)
static int __init serial_ir_init_module(void)
{
- struct rc_dev *rcdev;
int result;
switch (type) {
@@ -754,63 +810,9 @@ static int __init serial_ir_init_module(void)
sense = !!sense;
result = serial_ir_init();
- if (result)
- return result;
-
- rcdev = devm_rc_allocate_device(&serial_ir.pdev->dev, RC_DRIVER_IR_RAW);
- if (!rcdev) {
- result = -ENOMEM;
- goto serial_cleanup;
- }
-
- if (hardware[type].send_pulse && hardware[type].send_space)
- rcdev->tx_ir = serial_ir_tx;
- if (hardware[type].set_send_carrier)
- rcdev->s_tx_carrier = serial_ir_tx_carrier;
- if (hardware[type].set_duty_cycle)
- rcdev->s_tx_duty_cycle = serial_ir_tx_duty_cycle;
-
- switch (type) {
- case IR_HOMEBREW:
- rcdev->input_name = "Serial IR type home-brew";
- break;
- case IR_IRDEO:
- rcdev->input_name = "Serial IR type IRdeo";
- break;
- case IR_IRDEO_REMOTE:
- rcdev->input_name = "Serial IR type IRdeo remote";
- break;
- case IR_ANIMAX:
- rcdev->input_name = "Serial IR type AnimaX";
- break;
- case IR_IGOR:
- rcdev->input_name = "Serial IR type IgorPlug";
- break;
- }
-
- rcdev->input_phys = KBUILD_MODNAME "/input0";
- rcdev->input_id.bustype = BUS_HOST;
- rcdev->input_id.vendor = 0x0001;
- rcdev->input_id.product = 0x0001;
- rcdev->input_id.version = 0x0100;
- rcdev->open = serial_ir_open;
- rcdev->close = serial_ir_close;
- rcdev->dev.parent = &serial_ir.pdev->dev;
- rcdev->allowed_protocols = RC_BIT_ALL_IR_DECODER;
- rcdev->driver_name = KBUILD_MODNAME;
- rcdev->map_name = RC_MAP_RC6_MCE;
- rcdev->min_timeout = 1;
- rcdev->timeout = IR_DEFAULT_TIMEOUT;
- rcdev->max_timeout = 10 * IR_DEFAULT_TIMEOUT;
- rcdev->rx_resolution = 250000;
-
- serial_ir.rcdev = rcdev;
-
- result = rc_register_device(rcdev);
-
if (!result)
return 0;
-serial_cleanup:
+
serial_ir_exit();
return result;
}
@@ -818,7 +820,6 @@ serial_cleanup:
static void __exit serial_ir_exit_module(void)
{
del_timer_sync(&serial_ir.timeout_timer);
- rc_unregister_device(serial_ir.rcdev);
serial_ir_exit();
}
diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c
index 6ca502d834b4..4f42d57f81d9 100644
--- a/drivers/media/usb/dvb-usb/dw2102.c
+++ b/drivers/media/usb/dvb-usb/dw2102.c
@@ -68,6 +68,7 @@
struct dw2102_state {
u8 initialized;
u8 last_lock;
+ u8 data[MAX_XFER_SIZE + 4];
struct i2c_client *i2c_client_demod;
struct i2c_client *i2c_client_tuner;
@@ -661,62 +662,72 @@ static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[],
int num)
{
struct dvb_usb_device *d = i2c_get_adapdata(adap);
- u8 obuf[0x40], ibuf[0x40];
+ struct dw2102_state *state;
if (!d)
return -ENODEV;
+
+ state = d->priv;
+
if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
return -EAGAIN;
+ if (mutex_lock_interruptible(&d->data_mutex) < 0) {
+ mutex_unlock(&d->i2c_mutex);
+ return -EAGAIN;
+ }
switch (num) {
case 1:
switch (msg[0].addr) {
case SU3000_STREAM_CTRL:
- obuf[0] = msg[0].buf[0] + 0x36;
- obuf[1] = 3;
- obuf[2] = 0;
- if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 0, 0) < 0)
+ state->data[0] = msg[0].buf[0] + 0x36;
+ state->data[1] = 3;
+ state->data[2] = 0;
+ if (dvb_usb_generic_rw(d, state->data, 3,
+ state->data, 0, 0) < 0)
err("i2c transfer failed.");
break;
case DW2102_RC_QUERY:
- obuf[0] = 0x10;
- if (dvb_usb_generic_rw(d, obuf, 1, ibuf, 2, 0) < 0)
+ state->data[0] = 0x10;
+ if (dvb_usb_generic_rw(d, state->data, 1,
+ state->data, 2, 0) < 0)
err("i2c transfer failed.");
- msg[0].buf[1] = ibuf[0];
- msg[0].buf[0] = ibuf[1];
+ msg[0].buf[1] = state->data[0];
+ msg[0].buf[0] = state->data[1];
break;
default:
/* always i2c write*/
- obuf[0] = 0x08;
- obuf[1] = msg[0].addr;
- obuf[2] = msg[0].len;
+ state->data[0] = 0x08;
+ state->data[1] = msg[0].addr;
+ state->data[2] = msg[0].len;
- memcpy(&obuf[3], msg[0].buf, msg[0].len);
+ memcpy(&state->data[3], msg[0].buf, msg[0].len);
- if (dvb_usb_generic_rw(d, obuf, msg[0].len + 3,
- ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, msg[0].len + 3,
+ state->data, 1, 0) < 0)
err("i2c transfer failed.");
}
break;
case 2:
/* always i2c read */
- obuf[0] = 0x09;
- obuf[1] = msg[0].len;
- obuf[2] = msg[1].len;
- obuf[3] = msg[0].addr;
- memcpy(&obuf[4], msg[0].buf, msg[0].len);
-
- if (dvb_usb_generic_rw(d, obuf, msg[0].len + 4,
- ibuf, msg[1].len + 1, 0) < 0)
+ state->data[0] = 0x09;
+ state->data[1] = msg[0].len;
+ state->data[2] = msg[1].len;
+ state->data[3] = msg[0].addr;
+ memcpy(&state->data[4], msg[0].buf, msg[0].len);
+
+ if (dvb_usb_generic_rw(d, state->data, msg[0].len + 4,
+ state->data, msg[1].len + 1, 0) < 0)
err("i2c transfer failed.");
- memcpy(msg[1].buf, &ibuf[1], msg[1].len);
+ memcpy(msg[1].buf, &state->data[1], msg[1].len);
break;
default:
warn("more than 2 i2c messages at a time is not handled yet.");
break;
}
+ mutex_unlock(&d->data_mutex);
mutex_unlock(&d->i2c_mutex);
return num;
}
@@ -844,17 +855,23 @@ static int su3000_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
static int su3000_power_ctrl(struct dvb_usb_device *d, int i)
{
struct dw2102_state *state = (struct dw2102_state *)d->priv;
- u8 obuf[] = {0xde, 0};
+ int ret = 0;
info("%s: %d, initialized %d", __func__, i, state->initialized);
if (i && !state->initialized) {
+ mutex_lock(&d->data_mutex);
+
+ state->data[0] = 0xde;
+ state->data[1] = 0;
+
state->initialized = 1;
/* reset board */
- return dvb_usb_generic_rw(d, obuf, 2, NULL, 0, 0);
+ ret = dvb_usb_generic_rw(d, state->data, 2, NULL, 0, 0);
+ mutex_unlock(&d->data_mutex);
}
- return 0;
+ return ret;
}
static int su3000_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
@@ -1309,49 +1326,57 @@ static int prof_7500_frontend_attach(struct dvb_usb_adapter *d)
return 0;
}
-static int su3000_frontend_attach(struct dvb_usb_adapter *d)
+static int su3000_frontend_attach(struct dvb_usb_adapter *adap)
{
- u8 obuf[3] = { 0xe, 0x80, 0 };
- u8 ibuf[] = { 0 };
+ struct dvb_usb_device *d = adap->dev;
+ struct dw2102_state *state = d->priv;
+
+ mutex_lock(&d->data_mutex);
+
+ state->data[0] = 0xe;
+ state->data[1] = 0x80;
+ state->data[2] = 0;
- if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
err("command 0x0e transfer failed.");
- obuf[0] = 0xe;
- obuf[1] = 0x02;
- obuf[2] = 1;
+ state->data[0] = 0xe;
+ state->data[1] = 0x02;
+ state->data[2] = 1;
- if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
err("command 0x0e transfer failed.");
msleep(300);
- obuf[0] = 0xe;
- obuf[1] = 0x83;
- obuf[2] = 0;
+ state->data[0] = 0xe;
+ state->data[1] = 0x83;
+ state->data[2] = 0;
- if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
err("command 0x0e transfer failed.");
- obuf[0] = 0xe;
- obuf[1] = 0x83;
- obuf[2] = 1;
+ state->data[0] = 0xe;
+ state->data[1] = 0x83;
+ state->data[2] = 1;
- if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
err("command 0x0e transfer failed.");
- obuf[0] = 0x51;
+ state->data[0] = 0x51;
- if (dvb_usb_generic_rw(d->dev, obuf, 1, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 1, state->data, 1, 0) < 0)
err("command 0x51 transfer failed.");
- d->fe_adap[0].fe = dvb_attach(ds3000_attach, &su3000_ds3000_config,
- &d->dev->i2c_adap);
- if (d->fe_adap[0].fe == NULL)
+ mutex_unlock(&d->data_mutex);
+
+ adap->fe_adap[0].fe = dvb_attach(ds3000_attach, &su3000_ds3000_config,
+ &d->i2c_adap);
+ if (adap->fe_adap[0].fe == NULL)
return -EIO;
- if (dvb_attach(ts2020_attach, d->fe_adap[0].fe,
+ if (dvb_attach(ts2020_attach, adap->fe_adap[0].fe,
&dw2104_ts2020_config,
- &d->dev->i2c_adap)) {
+ &d->i2c_adap)) {
info("Attached DS3000/TS2020!");
return 0;
}
@@ -1360,47 +1385,55 @@ static int su3000_frontend_attach(struct dvb_usb_adapter *d)
return -EIO;
}
-static int t220_frontend_attach(struct dvb_usb_adapter *d)
+static int t220_frontend_attach(struct dvb_usb_adapter *adap)
{
- u8 obuf[3] = { 0xe, 0x87, 0 };
- u8 ibuf[] = { 0 };
+ struct dvb_usb_device *d = adap->dev;
+ struct dw2102_state *state = d->priv;
+
+ mutex_lock(&d->data_mutex);
- if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
+ state->data[0] = 0xe;
+ state->data[1] = 0x87;
+ state->data[2] = 0x0;
+
+ if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
err("command 0x0e transfer failed.");
- obuf[0] = 0xe;
- obuf[1] = 0x86;
- obuf[2] = 1;
+ state->data[0] = 0xe;
+ state->data[1] = 0x86;
+ state->data[2] = 1;
- if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
err("command 0x0e transfer failed.");
- obuf[0] = 0xe;
- obuf[1] = 0x80;
- obuf[2] = 0;
+ state->data[0] = 0xe;
+ state->data[1] = 0x80;
+ state->data[2] = 0;
- if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
err("command 0x0e transfer failed.");
msleep(50);
- obuf[0] = 0xe;
- obuf[1] = 0x80;
- obuf[2] = 1;
+ state->data[0] = 0xe;
+ state->data[1] = 0x80;
+ state->data[2] = 1;
- if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
err("command 0x0e transfer failed.");
- obuf[0] = 0x51;
+ state->data[0] = 0x51;
- if (dvb_usb_generic_rw(d->dev, obuf, 1, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 1, state->data, 1, 0) < 0)
err("command 0x51 transfer failed.");
- d->fe_adap[0].fe = dvb_attach(cxd2820r_attach, &cxd2820r_config,
- &d->dev->i2c_adap, NULL);
- if (d->fe_adap[0].fe != NULL) {
- if (dvb_attach(tda18271_attach, d->fe_adap[0].fe, 0x60,
- &d->dev->i2c_adap, &tda18271_config)) {
+ mutex_unlock(&d->data_mutex);
+
+ adap->fe_adap[0].fe = dvb_attach(cxd2820r_attach, &cxd2820r_config,
+ &d->i2c_adap, NULL);
+ if (adap->fe_adap[0].fe != NULL) {
+ if (dvb_attach(tda18271_attach, adap->fe_adap[0].fe, 0x60,
+ &d->i2c_adap, &tda18271_config)) {
info("Attached TDA18271HD/CXD2820R!");
return 0;
}
@@ -1410,23 +1443,30 @@ static int t220_frontend_attach(struct dvb_usb_adapter *d)
return -EIO;
}
-static int m88rs2000_frontend_attach(struct dvb_usb_adapter *d)
+static int m88rs2000_frontend_attach(struct dvb_usb_adapter *adap)
{
- u8 obuf[] = { 0x51 };
- u8 ibuf[] = { 0 };
+ struct dvb_usb_device *d = adap->dev;
+ struct dw2102_state *state = d->priv;
+
+ mutex_lock(&d->data_mutex);
- if (dvb_usb_generic_rw(d->dev, obuf, 1, ibuf, 1, 0) < 0)
+ state->data[0] = 0x51;
+
+ if (dvb_usb_generic_rw(d, state->data, 1, state->data, 1, 0) < 0)
err("command 0x51 transfer failed.");
- d->fe_adap[0].fe = dvb_attach(m88rs2000_attach, &s421_m88rs2000_config,
- &d->dev->i2c_adap);
+ mutex_unlock(&d->data_mutex);
- if (d->fe_adap[0].fe == NULL)
+ adap->fe_adap[0].fe = dvb_attach(m88rs2000_attach,
+ &s421_m88rs2000_config,
+ &d->i2c_adap);
+
+ if (adap->fe_adap[0].fe == NULL)
return -EIO;
- if (dvb_attach(ts2020_attach, d->fe_adap[0].fe,
+ if (dvb_attach(ts2020_attach, adap->fe_adap[0].fe,
&dw2104_ts2020_config,
- &d->dev->i2c_adap)) {
+ &d->i2c_adap)) {
info("Attached RS2000/TS2020!");
return 0;
}
@@ -1439,44 +1479,50 @@ static int tt_s2_4600_frontend_attach(struct dvb_usb_adapter *adap)
{
struct dvb_usb_device *d = adap->dev;
struct dw2102_state *state = d->priv;
- u8 obuf[3] = { 0xe, 0x80, 0 };
- u8 ibuf[] = { 0 };
struct i2c_adapter *i2c_adapter;
struct i2c_client *client;
struct i2c_board_info board_info;
struct m88ds3103_platform_data m88ds3103_pdata = {};
struct ts2020_config ts2020_config = {};
- if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
+ mutex_lock(&d->data_mutex);
+
+ state->data[0] = 0xe;
+ state->data[1] = 0x80;
+ state->data[2] = 0x0;
+
+ if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
err("command 0x0e transfer failed.");
- obuf[0] = 0xe;
- obuf[1] = 0x02;
- obuf[2] = 1;
+ state->data[0] = 0xe;
+ state->data[1] = 0x02;
+ state->data[2] = 1;
- if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
err("command 0x0e transfer failed.");
msleep(300);
- obuf[0] = 0xe;
- obuf[1] = 0x83;
- obuf[2] = 0;
+ state->data[0] = 0xe;
+ state->data[1] = 0x83;
+ state->data[2] = 0;
- if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
err("command 0x0e transfer failed.");
- obuf[0] = 0xe;
- obuf[1] = 0x83;
- obuf[2] = 1;
+ state->data[0] = 0xe;
+ state->data[1] = 0x83;
+ state->data[2] = 1;
- if (dvb_usb_generic_rw(d, obuf, 3, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 3, state->data, 1, 0) < 0)
err("command 0x0e transfer failed.");
- obuf[0] = 0x51;
+ state->data[0] = 0x51;
- if (dvb_usb_generic_rw(d, obuf, 1, ibuf, 1, 0) < 0)
+ if (dvb_usb_generic_rw(d, state->data, 1, state->data, 1, 0) < 0)
err("command 0x51 transfer failed.");
+ mutex_unlock(&d->data_mutex);
+
/* attach demod */
m88ds3103_pdata.clk = 27000000;
m88ds3103_pdata.i2c_wr_max = 33;
diff --git a/drivers/misc/sgi-gru/grufault.c b/drivers/misc/sgi-gru/grufault.c
index 6fb773dbcd0c..93be82fc338a 100644
--- a/drivers/misc/sgi-gru/grufault.c
+++ b/drivers/misc/sgi-gru/grufault.c
@@ -219,15 +219,20 @@ static int atomic_pte_lookup(struct vm_area_struct *vma, unsigned long vaddr,
int write, unsigned long *paddr, int *pageshift)
{
pgd_t *pgdp;
- pmd_t *pmdp;
+ p4d_t *p4dp;
pud_t *pudp;
+ pmd_t *pmdp;
pte_t pte;
pgdp = pgd_offset(vma->vm_mm, vaddr);
if (unlikely(pgd_none(*pgdp)))
goto err;
- pudp = pud_offset(pgdp, vaddr);
+ p4dp = p4d_offset(pgdp, vaddr);
+ if (unlikely(p4d_none(*p4dp)))
+ goto err;
+
+ pudp = pud_offset(p4dp, vaddr);
if (unlikely(pud_none(*pudp)))
goto err;
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 1ae872bfc3ba..747645c74134 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -186,7 +186,7 @@ static inline int write_enable(struct spi_nor *nor)
}
/*
- * Send write disble instruction to the chip.
+ * Send write disable instruction to the chip.
*/
static inline int write_disable(struct spi_nor *nor)
{
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge.h b/drivers/net/ethernet/qlogic/qlge/qlge.h
index 6d31f92ef2b6..84ac50f92c9c 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge.h
+++ b/drivers/net/ethernet/qlogic/qlge/qlge.h
@@ -1162,8 +1162,8 @@ struct ob_mac_tso_iocb_rsp {
struct ib_mac_iocb_rsp {
u8 opcode; /* 0x20 */
u8 flags1;
-#define IB_MAC_IOCB_RSP_OI 0x01 /* Overide intr delay */
-#define IB_MAC_IOCB_RSP_I 0x02 /* Disble Intr Generation */
+#define IB_MAC_IOCB_RSP_OI 0x01 /* Override intr delay */
+#define IB_MAC_IOCB_RSP_I 0x02 /* Disable Intr Generation */
#define IB_MAC_CSUM_ERR_MASK 0x1c /* A mask to use for csum errs */
#define IB_MAC_IOCB_RSP_TE 0x04 /* Checksum error */
#define IB_MAC_IOCB_RSP_NU 0x08 /* No checksum rcvd */
diff --git a/drivers/pci/dwc/pci-exynos.c b/drivers/pci/dwc/pci-exynos.c
index 993b650ef275..44f774c12fb2 100644
--- a/drivers/pci/dwc/pci-exynos.c
+++ b/drivers/pci/dwc/pci-exynos.c
@@ -132,10 +132,6 @@ static int exynos5440_pcie_get_mem_resources(struct platform_device *pdev,
struct device *dev = pci->dev;
struct resource *res;
- /* If using the PHY framework, doesn't need to get other resource */
- if (ep->using_phy)
- return 0;
-
ep->mem_res = devm_kzalloc(dev, sizeof(*ep->mem_res), GFP_KERNEL);
if (!ep->mem_res)
return -ENOMEM;
@@ -145,6 +141,10 @@ static int exynos5440_pcie_get_mem_resources(struct platform_device *pdev,
if (IS_ERR(ep->mem_res->elbi_base))
return PTR_ERR(ep->mem_res->elbi_base);
+ /* If using the PHY framework, doesn't need to get other resource */
+ if (ep->using_phy)
+ return 0;
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
ep->mem_res->phy_base = devm_ioremap_resource(dev, res);
if (IS_ERR(ep->mem_res->phy_base))
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 973472c23d89..1dfa10cc566b 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -478,7 +478,7 @@ static void aspm_calc_l1ss_info(struct pcie_link_state *link,
static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist)
{
- struct pci_dev *child, *parent = link->pdev;
+ struct pci_dev *child = link->downstream, *parent = link->pdev;
struct pci_bus *linkbus = parent->subordinate;
struct aspm_register_info upreg, dwreg;
@@ -491,9 +491,7 @@ static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist)
/* Get upstream/downstream components' register state */
pcie_get_aspm_reg(parent, &upreg);
- child = pci_function_0(linkbus);
pcie_get_aspm_reg(child, &dwreg);
- link->downstream = child;
/*
* If ASPM not supported, don't mess with the clocks and link,
@@ -800,6 +798,7 @@ static struct pcie_link_state *alloc_pcie_link_state(struct pci_dev *pdev)
INIT_LIST_HEAD(&link->children);
INIT_LIST_HEAD(&link->link);
link->pdev = pdev;
+ link->downstream = pci_function_0(pdev->subordinate);
/*
* Root Ports and PCI/PCI-X to PCIe Bridges are roots of PCIe
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index f754453fe754..673683660b5c 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2174,6 +2174,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_LSI_LOGIC, 0x005d, quirk_blacklist_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_LSI_LOGIC, 0x005f, quirk_blacklist_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, PCI_ANY_ID,
quirk_blacklist_vpd);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_QLOGIC, 0x2261, quirk_blacklist_vpd);
/*
* For Broadcom 5706, 5708, 5709 rev. A nics, any read beyond the
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index f8e9e1c2b2f6..c978be5eb9eb 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -422,6 +422,20 @@ static int msm_gpio_direction_output(struct gpio_chip *chip, unsigned offset, in
return 0;
}
+static int msm_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
+{
+ struct msm_pinctrl *pctrl = gpiochip_get_data(chip);
+ const struct msm_pingroup *g;
+ u32 val;
+
+ g = &pctrl->soc->groups[offset];
+
+ val = readl(pctrl->regs + g->ctl_reg);
+
+ /* 0 = output, 1 = input */
+ return val & BIT(g->oe_bit) ? 0 : 1;
+}
+
static int msm_gpio_get(struct gpio_chip *chip, unsigned offset)
{
const struct msm_pingroup *g;
@@ -510,6 +524,7 @@ static void msm_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
static struct gpio_chip msm_gpio_template = {
.direction_input = msm_gpio_direction_input,
.direction_output = msm_gpio_direction_output,
+ .get_direction = msm_gpio_get_direction,
.get = msm_gpio_get,
.set = msm_gpio_set,
.request = gpiochip_generic_request,
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld11.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld11.c
index 77a0236ee781..83f8864fa76a 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld11.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld11.c
@@ -390,22 +390,22 @@ static const struct pinctrl_pin_desc uniphier_ld11_pins[] = {
UNIPHIER_PINCTRL_PIN(140, "AO1D0", 140,
140, UNIPHIER_PIN_DRV_1BIT,
140, UNIPHIER_PIN_PULL_DOWN),
- UNIPHIER_PINCTRL_PIN(141, "TCON0", 141,
+ UNIPHIER_PINCTRL_PIN(141, "AO1D1", 141,
141, UNIPHIER_PIN_DRV_1BIT,
141, UNIPHIER_PIN_PULL_DOWN),
- UNIPHIER_PINCTRL_PIN(142, "TCON1", 142,
+ UNIPHIER_PINCTRL_PIN(142, "AO1D2", 142,
142, UNIPHIER_PIN_DRV_1BIT,
142, UNIPHIER_PIN_PULL_DOWN),
- UNIPHIER_PINCTRL_PIN(143, "TCON2", 143,
+ UNIPHIER_PINCTRL_PIN(143, "XIRQ9", 143,
143, UNIPHIER_PIN_DRV_1BIT,
143, UNIPHIER_PIN_PULL_DOWN),
- UNIPHIER_PINCTRL_PIN(144, "TCON3", 144,
+ UNIPHIER_PINCTRL_PIN(144, "XIRQ10", 144,
144, UNIPHIER_PIN_DRV_1BIT,
144, UNIPHIER_PIN_PULL_DOWN),
- UNIPHIER_PINCTRL_PIN(145, "TCON4", 145,
+ UNIPHIER_PINCTRL_PIN(145, "XIRQ11", 145,
145, UNIPHIER_PIN_DRV_1BIT,
145, UNIPHIER_PIN_PULL_DOWN),
- UNIPHIER_PINCTRL_PIN(146, "TCON5", 146,
+ UNIPHIER_PINCTRL_PIN(146, "XIRQ13", 146,
146, UNIPHIER_PIN_DRV_1BIT,
146, UNIPHIER_PIN_PULL_DOWN),
UNIPHIER_PINCTRL_PIN(147, "PWMA", 147,
diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index 5be4783e40d4..dea98ffb6f60 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -103,15 +103,6 @@ static struct quirk_entry quirk_asus_x200ca = {
.wapf = 2,
};
-static struct quirk_entry quirk_no_rfkill = {
- .no_rfkill = true,
-};
-
-static struct quirk_entry quirk_no_rfkill_wapf4 = {
- .wapf = 4,
- .no_rfkill = true,
-};
-
static struct quirk_entry quirk_asus_ux303ub = {
.wmi_backlight_native = true,
};
@@ -194,7 +185,7 @@ static const struct dmi_system_id asus_quirks[] = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"),
},
- .driver_data = &quirk_no_rfkill_wapf4,
+ .driver_data = &quirk_asus_wapf4,
},
{
.callback = dmi_matched,
@@ -203,7 +194,7 @@ static const struct dmi_system_id asus_quirks[] = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"),
},
- .driver_data = &quirk_no_rfkill_wapf4,
+ .driver_data = &quirk_asus_wapf4,
},
{
.callback = dmi_matched,
@@ -369,42 +360,6 @@ static const struct dmi_system_id asus_quirks[] = {
},
{
.callback = dmi_matched,
- .ident = "ASUSTeK COMPUTER INC. X555UB",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
- DMI_MATCH(DMI_PRODUCT_NAME, "X555UB"),
- },
- .driver_data = &quirk_no_rfkill,
- },
- {
- .callback = dmi_matched,
- .ident = "ASUSTeK COMPUTER INC. N552VW",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
- DMI_MATCH(DMI_PRODUCT_NAME, "N552VW"),
- },
- .driver_data = &quirk_no_rfkill,
- },
- {
- .callback = dmi_matched,
- .ident = "ASUSTeK COMPUTER INC. U303LB",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
- DMI_MATCH(DMI_PRODUCT_NAME, "U303LB"),
- },
- .driver_data = &quirk_no_rfkill,
- },
- {
- .callback = dmi_matched,
- .ident = "ASUSTeK COMPUTER INC. Z550MA",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Z550MA"),
- },
- .driver_data = &quirk_no_rfkill,
- },
- {
- .callback = dmi_matched,
.ident = "ASUSTeK COMPUTER INC. UX303UB",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 43cb680adbb4..8fe5890bf539 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -159,6 +159,8 @@ MODULE_LICENSE("GPL");
#define USB_INTEL_XUSB2PR 0xD0
#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
+static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
+
struct bios_args {
u32 arg0;
u32 arg1;
@@ -2051,6 +2053,16 @@ static int asus_wmi_fan_init(struct asus_wmi *asus)
return 0;
}
+static bool ashs_present(void)
+{
+ int i = 0;
+ while (ashs_ids[i]) {
+ if (acpi_dev_found(ashs_ids[i++]))
+ return true;
+ }
+ return false;
+}
+
/*
* WMI Driver
*/
@@ -2095,7 +2107,11 @@ static int asus_wmi_add(struct platform_device *pdev)
if (err)
goto fail_leds;
- if (!asus->driver->quirks->no_rfkill) {
+ asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
+ if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
+ asus->driver->wlan_ctrl_by_user = 1;
+
+ if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) {
err = asus_wmi_rfkill_init(asus);
if (err)
goto fail_rfkill;
@@ -2134,10 +2150,6 @@ static int asus_wmi_add(struct platform_device *pdev)
if (err)
goto fail_debugfs;
- asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
- if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
- asus->driver->wlan_ctrl_by_user = 1;
-
return 0;
fail_debugfs:
diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h
index fdff626c3b51..c9589d9342bb 100644
--- a/drivers/platform/x86/asus-wmi.h
+++ b/drivers/platform/x86/asus-wmi.h
@@ -39,7 +39,6 @@ struct key_entry;
struct asus_wmi;
struct quirk_entry {
- bool no_rfkill;
bool hotplug_wireless;
bool scalar_panel_brightness;
bool store_backlight_power;
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index 2b218b1d13e5..e12cc3504d48 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -78,18 +78,18 @@
#define FUJITSU_LCD_N_LEVELS 8
-#define ACPI_FUJITSU_CLASS "fujitsu"
-#define ACPI_FUJITSU_HID "FUJ02B1"
-#define ACPI_FUJITSU_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver"
-#define ACPI_FUJITSU_DEVICE_NAME "Fujitsu FUJ02B1"
-#define ACPI_FUJITSU_HOTKEY_HID "FUJ02E3"
-#define ACPI_FUJITSU_HOTKEY_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver"
-#define ACPI_FUJITSU_HOTKEY_DEVICE_NAME "Fujitsu FUJ02E3"
+#define ACPI_FUJITSU_CLASS "fujitsu"
+#define ACPI_FUJITSU_BL_HID "FUJ02B1"
+#define ACPI_FUJITSU_BL_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver"
+#define ACPI_FUJITSU_BL_DEVICE_NAME "Fujitsu FUJ02B1"
+#define ACPI_FUJITSU_LAPTOP_HID "FUJ02E3"
+#define ACPI_FUJITSU_LAPTOP_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver"
+#define ACPI_FUJITSU_LAPTOP_DEVICE_NAME "Fujitsu FUJ02E3"
#define ACPI_FUJITSU_NOTIFY_CODE1 0x80
/* FUNC interface - command values */
-#define FUNC_RFKILL 0x1000
+#define FUNC_FLAGS 0x1000
#define FUNC_LEDS 0x1001
#define FUNC_BUTTONS 0x1002
#define FUNC_BACKLIGHT 0x1004
@@ -97,6 +97,11 @@
/* FUNC interface - responses */
#define UNSUPPORTED_CMD 0x80000000
+/* FUNC interface - status flags */
+#define FLAG_RFKILL 0x020
+#define FLAG_LID 0x100
+#define FLAG_DOCK 0x200
+
#if IS_ENABLED(CONFIG_LEDS_CLASS)
/* FUNC interface - LED control */
#define FUNC_LED_OFF 0x1
@@ -136,7 +141,7 @@
#endif
/* Device controlling the backlight and associated keys */
-struct fujitsu_t {
+struct fujitsu_bl {
acpi_handle acpi_handle;
struct acpi_device *dev;
struct input_dev *input;
@@ -150,12 +155,12 @@ struct fujitsu_t {
unsigned int brightness_level;
};
-static struct fujitsu_t *fujitsu;
+static struct fujitsu_bl *fujitsu_bl;
static int use_alt_lcd_levels = -1;
static int disable_brightness_adjust = -1;
-/* Device used to access other hotkeys on the laptop */
-struct fujitsu_hotkey_t {
+/* Device used to access hotkeys and other features on the laptop */
+struct fujitsu_laptop {
acpi_handle acpi_handle;
struct acpi_device *dev;
struct input_dev *input;
@@ -163,17 +168,15 @@ struct fujitsu_hotkey_t {
struct platform_device *pf_device;
struct kfifo fifo;
spinlock_t fifo_lock;
- int rfkill_supported;
- int rfkill_state;
+ int flags_supported;
+ int flags_state;
int logolamp_registered;
int kblamps_registered;
int radio_led_registered;
int eco_led_registered;
};
-static struct fujitsu_hotkey_t *fujitsu_hotkey;
-
-static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event);
+static struct fujitsu_laptop *fujitsu_laptop;
#if IS_ENABLED(CONFIG_LEDS_CLASS)
static enum led_brightness logolamp_get(struct led_classdev *cdev);
@@ -222,8 +225,6 @@ static struct led_classdev eco_led = {
static u32 dbg_level = 0x03;
#endif
-static void acpi_fujitsu_notify(struct acpi_device *device, u32 event);
-
/* Fujitsu ACPI interface function */
static int call_fext_func(int cmd, int arg0, int arg1, int arg2)
@@ -239,7 +240,7 @@ static int call_fext_func(int cmd, int arg0, int arg1, int arg2)
unsigned long long value;
acpi_handle handle = NULL;
- status = acpi_get_handle(fujitsu_hotkey->acpi_handle, "FUNC", &handle);
+ status = acpi_get_handle(fujitsu_laptop->acpi_handle, "FUNC", &handle);
if (ACPI_FAILURE(status)) {
vdbg_printk(FUJLAPTOP_DBG_ERROR,
"FUNC interface is not present\n");
@@ -300,9 +301,9 @@ static int radio_led_set(struct led_classdev *cdev,
enum led_brightness brightness)
{
if (brightness >= LED_FULL)
- return call_fext_func(FUNC_RFKILL, 0x5, RADIO_LED_ON, RADIO_LED_ON);
+ return call_fext_func(FUNC_FLAGS, 0x5, RADIO_LED_ON, RADIO_LED_ON);
else
- return call_fext_func(FUNC_RFKILL, 0x5, RADIO_LED_ON, 0x0);
+ return call_fext_func(FUNC_FLAGS, 0x5, RADIO_LED_ON, 0x0);
}
static int eco_led_set(struct led_classdev *cdev,
@@ -346,7 +347,7 @@ static enum led_brightness radio_led_get(struct led_classdev *cdev)
{
enum led_brightness brightness = LED_OFF;
- if (call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0) & RADIO_LED_ON)
+ if (call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0) & RADIO_LED_ON)
brightness = LED_FULL;
return brightness;
@@ -373,10 +374,10 @@ static int set_lcd_level(int level)
vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n",
level);
- if (level < 0 || level >= fujitsu->max_brightness)
+ if (level < 0 || level >= fujitsu_bl->max_brightness)
return -EINVAL;
- status = acpi_get_handle(fujitsu->acpi_handle, "SBLL", &handle);
+ status = acpi_get_handle(fujitsu_bl->acpi_handle, "SBLL", &handle);
if (ACPI_FAILURE(status)) {
vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBLL not present\n");
return -ENODEV;
@@ -398,10 +399,10 @@ static int set_lcd_level_alt(int level)
vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n",
level);
- if (level < 0 || level >= fujitsu->max_brightness)
+ if (level < 0 || level >= fujitsu_bl->max_brightness)
return -EINVAL;
- status = acpi_get_handle(fujitsu->acpi_handle, "SBL2", &handle);
+ status = acpi_get_handle(fujitsu_bl->acpi_handle, "SBL2", &handle);
if (ACPI_FAILURE(status)) {
vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n");
return -ENODEV;
@@ -421,19 +422,19 @@ static int get_lcd_level(void)
vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n");
- status =
- acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state);
+ status = acpi_evaluate_integer(fujitsu_bl->acpi_handle, "GBLL", NULL,
+ &state);
if (ACPI_FAILURE(status))
return 0;
- fujitsu->brightness_level = state & 0x0fffffff;
+ fujitsu_bl->brightness_level = state & 0x0fffffff;
if (state & 0x80000000)
- fujitsu->brightness_changed = 1;
+ fujitsu_bl->brightness_changed = 1;
else
- fujitsu->brightness_changed = 0;
+ fujitsu_bl->brightness_changed = 0;
- return fujitsu->brightness_level;
+ return fujitsu_bl->brightness_level;
}
static int get_max_brightness(void)
@@ -443,14 +444,14 @@ static int get_max_brightness(void)
vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n");
- status =
- acpi_evaluate_integer(fujitsu->acpi_handle, "RBLL", NULL, &state);
+ status = acpi_evaluate_integer(fujitsu_bl->acpi_handle, "RBLL", NULL,
+ &state);
if (ACPI_FAILURE(status))
return -1;
- fujitsu->max_brightness = state;
+ fujitsu_bl->max_brightness = state;
- return fujitsu->max_brightness;
+ return fujitsu_bl->max_brightness;
}
/* Backlight device stuff */
@@ -483,7 +484,7 @@ static int bl_update_status(struct backlight_device *b)
return ret;
}
-static const struct backlight_ops fujitsubl_ops = {
+static const struct backlight_ops fujitsu_bl_ops = {
.get_brightness = bl_get_brightness,
.update_status = bl_update_status,
};
@@ -511,7 +512,7 @@ show_brightness_changed(struct device *dev,
int ret;
- ret = fujitsu->brightness_changed;
+ ret = fujitsu_bl->brightness_changed;
if (ret < 0)
return ret;
@@ -539,7 +540,7 @@ static ssize_t store_lcd_level(struct device *dev,
int level, ret;
if (sscanf(buf, "%i", &level) != 1
- || (level < 0 || level >= fujitsu->max_brightness))
+ || (level < 0 || level >= fujitsu_bl->max_brightness))
return -EINVAL;
if (use_alt_lcd_levels)
@@ -567,9 +568,9 @@ static ssize_t
show_lid_state(struct device *dev,
struct device_attribute *attr, char *buf)
{
- if (!(fujitsu_hotkey->rfkill_supported & 0x100))
+ if (!(fujitsu_laptop->flags_supported & FLAG_LID))
return sprintf(buf, "unknown\n");
- if (fujitsu_hotkey->rfkill_state & 0x100)
+ if (fujitsu_laptop->flags_state & FLAG_LID)
return sprintf(buf, "open\n");
else
return sprintf(buf, "closed\n");
@@ -579,9 +580,9 @@ static ssize_t
show_dock_state(struct device *dev,
struct device_attribute *attr, char *buf)
{
- if (!(fujitsu_hotkey->rfkill_supported & 0x200))
+ if (!(fujitsu_laptop->flags_supported & FLAG_DOCK))
return sprintf(buf, "unknown\n");
- if (fujitsu_hotkey->rfkill_state & 0x200)
+ if (fujitsu_laptop->flags_state & FLAG_DOCK)
return sprintf(buf, "docked\n");
else
return sprintf(buf, "undocked\n");
@@ -591,9 +592,9 @@ static ssize_t
show_radios_state(struct device *dev,
struct device_attribute *attr, char *buf)
{
- if (!(fujitsu_hotkey->rfkill_supported & 0x20))
+ if (!(fujitsu_laptop->flags_supported & FLAG_RFKILL))
return sprintf(buf, "unknown\n");
- if (fujitsu_hotkey->rfkill_state & 0x20)
+ if (fujitsu_laptop->flags_state & FLAG_RFKILL)
return sprintf(buf, "on\n");
else
return sprintf(buf, "killed\n");
@@ -607,7 +608,7 @@ static DEVICE_ATTR(lid, 0444, show_lid_state, ignore_store);
static DEVICE_ATTR(dock, 0444, show_dock_state, ignore_store);
static DEVICE_ATTR(radios, 0444, show_radios_state, ignore_store);
-static struct attribute *fujitsupf_attributes[] = {
+static struct attribute *fujitsu_pf_attributes[] = {
&dev_attr_brightness_changed.attr,
&dev_attr_max_brightness.attr,
&dev_attr_lcd_level.attr,
@@ -617,11 +618,11 @@ static struct attribute *fujitsupf_attributes[] = {
NULL
};
-static struct attribute_group fujitsupf_attribute_group = {
- .attrs = fujitsupf_attributes
+static struct attribute_group fujitsu_pf_attribute_group = {
+ .attrs = fujitsu_pf_attributes
};
-static struct platform_driver fujitsupf_driver = {
+static struct platform_driver fujitsu_pf_driver = {
.driver = {
.name = "fujitsu-laptop",
}
@@ -630,39 +631,30 @@ static struct platform_driver fujitsupf_driver = {
static void __init dmi_check_cb_common(const struct dmi_system_id *id)
{
pr_info("Identified laptop model '%s'\n", id->ident);
- if (use_alt_lcd_levels == -1) {
- if (acpi_has_method(NULL,
- "\\_SB.PCI0.LPCB.FJEX.SBL2"))
- use_alt_lcd_levels = 1;
- else
- use_alt_lcd_levels = 0;
- vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as "
- "%i\n", use_alt_lcd_levels);
- }
}
static int __init dmi_check_cb_s6410(const struct dmi_system_id *id)
{
dmi_check_cb_common(id);
- fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */
- fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */
+ fujitsu_bl->keycode1 = KEY_SCREENLOCK; /* "Lock" */
+ fujitsu_bl->keycode2 = KEY_HELP; /* "Mobility Center" */
return 1;
}
static int __init dmi_check_cb_s6420(const struct dmi_system_id *id)
{
dmi_check_cb_common(id);
- fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */
- fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */
+ fujitsu_bl->keycode1 = KEY_SCREENLOCK; /* "Lock" */
+ fujitsu_bl->keycode2 = KEY_HELP; /* "Mobility Center" */
return 1;
}
static int __init dmi_check_cb_p8010(const struct dmi_system_id *id)
{
dmi_check_cb_common(id);
- fujitsu->keycode1 = KEY_HELP; /* "Support" */
- fujitsu->keycode3 = KEY_SWITCHVIDEOMODE; /* "Presentation" */
- fujitsu->keycode4 = KEY_WWW; /* "Internet" */
+ fujitsu_bl->keycode1 = KEY_HELP; /* "Support" */
+ fujitsu_bl->keycode3 = KEY_SWITCHVIDEOMODE; /* "Presentation" */
+ fujitsu_bl->keycode4 = KEY_WWW; /* "Internet" */
return 1;
}
@@ -693,7 +685,7 @@ static const struct dmi_system_id fujitsu_dmi_table[] __initconst = {
/* ACPI device for LCD brightness control */
-static int acpi_fujitsu_add(struct acpi_device *device)
+static int acpi_fujitsu_bl_add(struct acpi_device *device)
{
int state = 0;
struct input_dev *input;
@@ -702,22 +694,22 @@ static int acpi_fujitsu_add(struct acpi_device *device)
if (!device)
return -EINVAL;
- fujitsu->acpi_handle = device->handle;
- sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_DEVICE_NAME);
+ fujitsu_bl->acpi_handle = device->handle;
+ sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_BL_DEVICE_NAME);
sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
- device->driver_data = fujitsu;
+ device->driver_data = fujitsu_bl;
- fujitsu->input = input = input_allocate_device();
+ fujitsu_bl->input = input = input_allocate_device();
if (!input) {
error = -ENOMEM;
goto err_stop;
}
- snprintf(fujitsu->phys, sizeof(fujitsu->phys),
+ snprintf(fujitsu_bl->phys, sizeof(fujitsu_bl->phys),
"%s/video/input0", acpi_device_hid(device));
input->name = acpi_device_name(device);
- input->phys = fujitsu->phys;
+ input->phys = fujitsu_bl->phys;
input->id.bustype = BUS_HOST;
input->id.product = 0x06;
input->dev.parent = &device->dev;
@@ -730,7 +722,7 @@ static int acpi_fujitsu_add(struct acpi_device *device)
if (error)
goto err_free_input_dev;
- error = acpi_bus_update_power(fujitsu->acpi_handle, &state);
+ error = acpi_bus_update_power(fujitsu_bl->acpi_handle, &state);
if (error) {
pr_err("Error reading power state\n");
goto err_unregister_input_dev;
@@ -740,7 +732,7 @@ static int acpi_fujitsu_add(struct acpi_device *device)
acpi_device_name(device), acpi_device_bid(device),
!device->power.state ? "on" : "off");
- fujitsu->dev = device;
+ fujitsu_bl->dev = device;
if (acpi_has_method(device->handle, METHOD_NAME__INI)) {
vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n");
@@ -750,6 +742,15 @@ static int acpi_fujitsu_add(struct acpi_device *device)
pr_err("_INI Method failed\n");
}
+ if (use_alt_lcd_levels == -1) {
+ if (acpi_has_method(NULL, "\\_SB.PCI0.LPCB.FJEX.SBL2"))
+ use_alt_lcd_levels = 1;
+ else
+ use_alt_lcd_levels = 0;
+ vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as %i\n",
+ use_alt_lcd_levels);
+ }
+
/* do config (detect defaults) */
use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0;
disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0;
@@ -758,7 +759,7 @@ static int acpi_fujitsu_add(struct acpi_device *device)
use_alt_lcd_levels, disable_brightness_adjust);
if (get_max_brightness() <= 0)
- fujitsu->max_brightness = FUJITSU_LCD_N_LEVELS;
+ fujitsu_bl->max_brightness = FUJITSU_LCD_N_LEVELS;
get_lcd_level();
return 0;
@@ -772,38 +773,38 @@ err_stop:
return error;
}
-static int acpi_fujitsu_remove(struct acpi_device *device)
+static int acpi_fujitsu_bl_remove(struct acpi_device *device)
{
- struct fujitsu_t *fujitsu = acpi_driver_data(device);
- struct input_dev *input = fujitsu->input;
+ struct fujitsu_bl *fujitsu_bl = acpi_driver_data(device);
+ struct input_dev *input = fujitsu_bl->input;
input_unregister_device(input);
- fujitsu->acpi_handle = NULL;
+ fujitsu_bl->acpi_handle = NULL;
return 0;
}
/* Brightness notify */
-static void acpi_fujitsu_notify(struct acpi_device *device, u32 event)
+static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event)
{
struct input_dev *input;
int keycode;
int oldb, newb;
- input = fujitsu->input;
+ input = fujitsu_bl->input;
switch (event) {
case ACPI_FUJITSU_NOTIFY_CODE1:
keycode = 0;
- oldb = fujitsu->brightness_level;
+ oldb = fujitsu_bl->brightness_level;
get_lcd_level();
- newb = fujitsu->brightness_level;
+ newb = fujitsu_bl->brightness_level;
vdbg_printk(FUJLAPTOP_DBG_TRACE,
"brightness button event [%i -> %i (%i)]\n",
- oldb, newb, fujitsu->brightness_changed);
+ oldb, newb, fujitsu_bl->brightness_changed);
if (oldb < newb) {
if (disable_brightness_adjust != 1) {
@@ -840,7 +841,7 @@ static void acpi_fujitsu_notify(struct acpi_device *device, u32 event)
/* ACPI device for hotkey handling */
-static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
+static int acpi_fujitsu_laptop_add(struct acpi_device *device)
{
int result = 0;
int state = 0;
@@ -851,42 +852,42 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
if (!device)
return -EINVAL;
- fujitsu_hotkey->acpi_handle = device->handle;
+ fujitsu_laptop->acpi_handle = device->handle;
sprintf(acpi_device_name(device), "%s",
- ACPI_FUJITSU_HOTKEY_DEVICE_NAME);
+ ACPI_FUJITSU_LAPTOP_DEVICE_NAME);
sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS);
- device->driver_data = fujitsu_hotkey;
+ device->driver_data = fujitsu_laptop;
/* kfifo */
- spin_lock_init(&fujitsu_hotkey->fifo_lock);
- error = kfifo_alloc(&fujitsu_hotkey->fifo, RINGBUFFERSIZE * sizeof(int),
+ spin_lock_init(&fujitsu_laptop->fifo_lock);
+ error = kfifo_alloc(&fujitsu_laptop->fifo, RINGBUFFERSIZE * sizeof(int),
GFP_KERNEL);
if (error) {
pr_err("kfifo_alloc failed\n");
goto err_stop;
}
- fujitsu_hotkey->input = input = input_allocate_device();
+ fujitsu_laptop->input = input = input_allocate_device();
if (!input) {
error = -ENOMEM;
goto err_free_fifo;
}
- snprintf(fujitsu_hotkey->phys, sizeof(fujitsu_hotkey->phys),
+ snprintf(fujitsu_laptop->phys, sizeof(fujitsu_laptop->phys),
"%s/video/input0", acpi_device_hid(device));
input->name = acpi_device_name(device);
- input->phys = fujitsu_hotkey->phys;
+ input->phys = fujitsu_laptop->phys;
input->id.bustype = BUS_HOST;
input->id.product = 0x06;
input->dev.parent = &device->dev;
set_bit(EV_KEY, input->evbit);
- set_bit(fujitsu->keycode1, input->keybit);
- set_bit(fujitsu->keycode2, input->keybit);
- set_bit(fujitsu->keycode3, input->keybit);
- set_bit(fujitsu->keycode4, input->keybit);
- set_bit(fujitsu->keycode5, input->keybit);
+ set_bit(fujitsu_bl->keycode1, input->keybit);
+ set_bit(fujitsu_bl->keycode2, input->keybit);
+ set_bit(fujitsu_bl->keycode3, input->keybit);
+ set_bit(fujitsu_bl->keycode4, input->keybit);
+ set_bit(fujitsu_bl->keycode5, input->keybit);
set_bit(KEY_TOUCHPAD_TOGGLE, input->keybit);
set_bit(KEY_UNKNOWN, input->keybit);
@@ -894,7 +895,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
if (error)
goto err_free_input_dev;
- error = acpi_bus_update_power(fujitsu_hotkey->acpi_handle, &state);
+ error = acpi_bus_update_power(fujitsu_laptop->acpi_handle, &state);
if (error) {
pr_err("Error reading power state\n");
goto err_unregister_input_dev;
@@ -904,7 +905,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
acpi_device_name(device), acpi_device_bid(device),
!device->power.state ? "on" : "off");
- fujitsu_hotkey->dev = device;
+ fujitsu_laptop->dev = device;
if (acpi_has_method(device->handle, METHOD_NAME__INI)) {
vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n");
@@ -920,27 +921,27 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
; /* No action, result is discarded */
vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i);
- fujitsu_hotkey->rfkill_supported =
- call_fext_func(FUNC_RFKILL, 0x0, 0x0, 0x0);
+ fujitsu_laptop->flags_supported =
+ call_fext_func(FUNC_FLAGS, 0x0, 0x0, 0x0);
/* Make sure our bitmask of supported functions is cleared if the
RFKILL function block is not implemented, like on the S7020. */
- if (fujitsu_hotkey->rfkill_supported == UNSUPPORTED_CMD)
- fujitsu_hotkey->rfkill_supported = 0;
+ if (fujitsu_laptop->flags_supported == UNSUPPORTED_CMD)
+ fujitsu_laptop->flags_supported = 0;
- if (fujitsu_hotkey->rfkill_supported)
- fujitsu_hotkey->rfkill_state =
- call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0);
+ if (fujitsu_laptop->flags_supported)
+ fujitsu_laptop->flags_state =
+ call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0);
/* Suspect this is a keymap of the application panel, print it */
pr_info("BTNI: [0x%x]\n", call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0));
#if IS_ENABLED(CONFIG_LEDS_CLASS)
if (call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & LOGOLAMP_POWERON) {
- result = led_classdev_register(&fujitsu->pf_device->dev,
+ result = led_classdev_register(&fujitsu_bl->pf_device->dev,
&logolamp_led);
if (result == 0) {
- fujitsu_hotkey->logolamp_registered = 1;
+ fujitsu_laptop->logolamp_registered = 1;
} else {
pr_err("Could not register LED handler for logo lamp, error %i\n",
result);
@@ -949,10 +950,10 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
if ((call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & KEYBOARD_LAMPS) &&
(call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0) == 0x0)) {
- result = led_classdev_register(&fujitsu->pf_device->dev,
+ result = led_classdev_register(&fujitsu_bl->pf_device->dev,
&kblamps_led);
if (result == 0) {
- fujitsu_hotkey->kblamps_registered = 1;
+ fujitsu_laptop->kblamps_registered = 1;
} else {
pr_err("Could not register LED handler for keyboard lamps, error %i\n",
result);
@@ -966,10 +967,10 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
* that an RF LED is present.
*/
if (call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0) & BIT(24)) {
- result = led_classdev_register(&fujitsu->pf_device->dev,
+ result = led_classdev_register(&fujitsu_bl->pf_device->dev,
&radio_led);
if (result == 0) {
- fujitsu_hotkey->radio_led_registered = 1;
+ fujitsu_laptop->radio_led_registered = 1;
} else {
pr_err("Could not register LED handler for radio LED, error %i\n",
result);
@@ -983,10 +984,10 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device)
*/
if ((call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & BIT(14)) &&
(call_fext_func(FUNC_LEDS, 0x2, ECO_LED, 0x0) != UNSUPPORTED_CMD)) {
- result = led_classdev_register(&fujitsu->pf_device->dev,
+ result = led_classdev_register(&fujitsu_bl->pf_device->dev,
&eco_led);
if (result == 0) {
- fujitsu_hotkey->eco_led_registered = 1;
+ fujitsu_laptop->eco_led_registered = 1;
} else {
pr_err("Could not register LED handler for eco LED, error %i\n",
result);
@@ -1002,47 +1003,47 @@ err_unregister_input_dev:
err_free_input_dev:
input_free_device(input);
err_free_fifo:
- kfifo_free(&fujitsu_hotkey->fifo);
+ kfifo_free(&fujitsu_laptop->fifo);
err_stop:
return error;
}
-static int acpi_fujitsu_hotkey_remove(struct acpi_device *device)
+static int acpi_fujitsu_laptop_remove(struct acpi_device *device)
{
- struct fujitsu_hotkey_t *fujitsu_hotkey = acpi_driver_data(device);
- struct input_dev *input = fujitsu_hotkey->input;
+ struct fujitsu_laptop *fujitsu_laptop = acpi_driver_data(device);
+ struct input_dev *input = fujitsu_laptop->input;
#if IS_ENABLED(CONFIG_LEDS_CLASS)
- if (fujitsu_hotkey->logolamp_registered)
+ if (fujitsu_laptop->logolamp_registered)
led_classdev_unregister(&logolamp_led);
- if (fujitsu_hotkey->kblamps_registered)
+ if (fujitsu_laptop->kblamps_registered)
led_classdev_unregister(&kblamps_led);
- if (fujitsu_hotkey->radio_led_registered)
+ if (fujitsu_laptop->radio_led_registered)
led_classdev_unregister(&radio_led);
- if (fujitsu_hotkey->eco_led_registered)
+ if (fujitsu_laptop->eco_led_registered)
led_classdev_unregister(&eco_led);
#endif
input_unregister_device(input);
- kfifo_free(&fujitsu_hotkey->fifo);
+ kfifo_free(&fujitsu_laptop->fifo);
- fujitsu_hotkey->acpi_handle = NULL;
+ fujitsu_laptop->acpi_handle = NULL;
return 0;
}
-static void acpi_fujitsu_hotkey_press(int keycode)
+static void acpi_fujitsu_laptop_press(int keycode)
{
- struct input_dev *input = fujitsu_hotkey->input;
+ struct input_dev *input = fujitsu_laptop->input;
int status;
- status = kfifo_in_locked(&fujitsu_hotkey->fifo,
+ status = kfifo_in_locked(&fujitsu_laptop->fifo,
(unsigned char *)&keycode, sizeof(keycode),
- &fujitsu_hotkey->fifo_lock);
+ &fujitsu_laptop->fifo_lock);
if (status != sizeof(keycode)) {
vdbg_printk(FUJLAPTOP_DBG_WARN,
"Could not push keycode [0x%x]\n", keycode);
@@ -1054,16 +1055,16 @@ static void acpi_fujitsu_hotkey_press(int keycode)
"Push keycode into ringbuffer [%d]\n", keycode);
}
-static void acpi_fujitsu_hotkey_release(void)
+static void acpi_fujitsu_laptop_release(void)
{
- struct input_dev *input = fujitsu_hotkey->input;
+ struct input_dev *input = fujitsu_laptop->input;
int keycode, status;
while (true) {
- status = kfifo_out_locked(&fujitsu_hotkey->fifo,
+ status = kfifo_out_locked(&fujitsu_laptop->fifo,
(unsigned char *)&keycode,
sizeof(keycode),
- &fujitsu_hotkey->fifo_lock);
+ &fujitsu_laptop->fifo_lock);
if (status != sizeof(keycode))
return;
input_report_key(input, keycode, 0);
@@ -1073,14 +1074,14 @@ static void acpi_fujitsu_hotkey_release(void)
}
}
-static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
+static void acpi_fujitsu_laptop_notify(struct acpi_device *device, u32 event)
{
struct input_dev *input;
int keycode;
unsigned int irb = 1;
int i;
- input = fujitsu_hotkey->input;
+ input = fujitsu_laptop->input;
if (event != ACPI_FUJITSU_NOTIFY_CODE1) {
keycode = KEY_UNKNOWN;
@@ -1093,9 +1094,9 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
return;
}
- if (fujitsu_hotkey->rfkill_supported)
- fujitsu_hotkey->rfkill_state =
- call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0);
+ if (fujitsu_laptop->flags_supported)
+ fujitsu_laptop->flags_state =
+ call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0);
i = 0;
while ((irb =
@@ -1103,19 +1104,19 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
&& (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) {
switch (irb & 0x4ff) {
case KEY1_CODE:
- keycode = fujitsu->keycode1;
+ keycode = fujitsu_bl->keycode1;
break;
case KEY2_CODE:
- keycode = fujitsu->keycode2;
+ keycode = fujitsu_bl->keycode2;
break;
case KEY3_CODE:
- keycode = fujitsu->keycode3;
+ keycode = fujitsu_bl->keycode3;
break;
case KEY4_CODE:
- keycode = fujitsu->keycode4;
+ keycode = fujitsu_bl->keycode4;
break;
case KEY5_CODE:
- keycode = fujitsu->keycode5;
+ keycode = fujitsu_bl->keycode5;
break;
case 0:
keycode = 0;
@@ -1128,17 +1129,17 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
}
if (keycode > 0)
- acpi_fujitsu_hotkey_press(keycode);
+ acpi_fujitsu_laptop_press(keycode);
else if (keycode == 0)
- acpi_fujitsu_hotkey_release();
+ acpi_fujitsu_laptop_release();
}
/* On some models (first seen on the Skylake-based Lifebook
* E736/E746/E756), the touchpad toggle hotkey (Fn+F4) is
- * handled in software; its state is queried using FUNC_RFKILL
+ * handled in software; its state is queried using FUNC_FLAGS
*/
- if ((fujitsu_hotkey->rfkill_supported & BIT(26)) &&
- (call_fext_func(FUNC_RFKILL, 0x1, 0x0, 0x0) & BIT(26))) {
+ if ((fujitsu_laptop->flags_supported & BIT(26)) &&
+ (call_fext_func(FUNC_FLAGS, 0x1, 0x0, 0x0) & BIT(26))) {
keycode = KEY_TOUCHPAD_TOGGLE;
input_report_key(input, keycode, 1);
input_sync(input);
@@ -1150,83 +1151,81 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event)
/* Initialization */
-static const struct acpi_device_id fujitsu_device_ids[] = {
- {ACPI_FUJITSU_HID, 0},
+static const struct acpi_device_id fujitsu_bl_device_ids[] = {
+ {ACPI_FUJITSU_BL_HID, 0},
{"", 0},
};
-static struct acpi_driver acpi_fujitsu_driver = {
- .name = ACPI_FUJITSU_DRIVER_NAME,
+static struct acpi_driver acpi_fujitsu_bl_driver = {
+ .name = ACPI_FUJITSU_BL_DRIVER_NAME,
.class = ACPI_FUJITSU_CLASS,
- .ids = fujitsu_device_ids,
+ .ids = fujitsu_bl_device_ids,
.ops = {
- .add = acpi_fujitsu_add,
- .remove = acpi_fujitsu_remove,
- .notify = acpi_fujitsu_notify,
+ .add = acpi_fujitsu_bl_add,
+ .remove = acpi_fujitsu_bl_remove,
+ .notify = acpi_fujitsu_bl_notify,
},
};
-static const struct acpi_device_id fujitsu_hotkey_device_ids[] = {
- {ACPI_FUJITSU_HOTKEY_HID, 0},
+static const struct acpi_device_id fujitsu_laptop_device_ids[] = {
+ {ACPI_FUJITSU_LAPTOP_HID, 0},
{"", 0},
};
-static struct acpi_driver acpi_fujitsu_hotkey_driver = {
- .name = ACPI_FUJITSU_HOTKEY_DRIVER_NAME,
+static struct acpi_driver acpi_fujitsu_laptop_driver = {
+ .name = ACPI_FUJITSU_LAPTOP_DRIVER_NAME,
.class = ACPI_FUJITSU_CLASS,
- .ids = fujitsu_hotkey_device_ids,
+ .ids = fujitsu_laptop_device_ids,
.ops = {
- .add = acpi_fujitsu_hotkey_add,
- .remove = acpi_fujitsu_hotkey_remove,
- .notify = acpi_fujitsu_hotkey_notify,
+ .add = acpi_fujitsu_laptop_add,
+ .remove = acpi_fujitsu_laptop_remove,
+ .notify = acpi_fujitsu_laptop_notify,
},
};
static const struct acpi_device_id fujitsu_ids[] __used = {
- {ACPI_FUJITSU_HID, 0},
- {ACPI_FUJITSU_HOTKEY_HID, 0},
+ {ACPI_FUJITSU_BL_HID, 0},
+ {ACPI_FUJITSU_LAPTOP_HID, 0},
{"", 0}
};
MODULE_DEVICE_TABLE(acpi, fujitsu_ids);
static int __init fujitsu_init(void)
{
- int ret, result, max_brightness;
+ int ret, max_brightness;
if (acpi_disabled)
return -ENODEV;
- fujitsu = kzalloc(sizeof(struct fujitsu_t), GFP_KERNEL);
- if (!fujitsu)
+ fujitsu_bl = kzalloc(sizeof(struct fujitsu_bl), GFP_KERNEL);
+ if (!fujitsu_bl)
return -ENOMEM;
- fujitsu->keycode1 = KEY_PROG1;
- fujitsu->keycode2 = KEY_PROG2;
- fujitsu->keycode3 = KEY_PROG3;
- fujitsu->keycode4 = KEY_PROG4;
- fujitsu->keycode5 = KEY_RFKILL;
+ fujitsu_bl->keycode1 = KEY_PROG1;
+ fujitsu_bl->keycode2 = KEY_PROG2;
+ fujitsu_bl->keycode3 = KEY_PROG3;
+ fujitsu_bl->keycode4 = KEY_PROG4;
+ fujitsu_bl->keycode5 = KEY_RFKILL;
dmi_check_system(fujitsu_dmi_table);
- result = acpi_bus_register_driver(&acpi_fujitsu_driver);
- if (result < 0) {
- ret = -ENODEV;
+ ret = acpi_bus_register_driver(&acpi_fujitsu_bl_driver);
+ if (ret)
goto fail_acpi;
- }
/* Register platform stuff */
- fujitsu->pf_device = platform_device_alloc("fujitsu-laptop", -1);
- if (!fujitsu->pf_device) {
+ fujitsu_bl->pf_device = platform_device_alloc("fujitsu-laptop", -1);
+ if (!fujitsu_bl->pf_device) {
ret = -ENOMEM;
goto fail_platform_driver;
}
- ret = platform_device_add(fujitsu->pf_device);
+ ret = platform_device_add(fujitsu_bl->pf_device);
if (ret)
goto fail_platform_device1;
ret =
- sysfs_create_group(&fujitsu->pf_device->dev.kobj,
- &fujitsupf_attribute_group);
+ sysfs_create_group(&fujitsu_bl->pf_device->dev.kobj,
+ &fujitsu_pf_attribute_group);
if (ret)
goto fail_platform_device2;
@@ -1236,90 +1235,88 @@ static int __init fujitsu_init(void)
struct backlight_properties props;
memset(&props, 0, sizeof(struct backlight_properties));
- max_brightness = fujitsu->max_brightness;
+ max_brightness = fujitsu_bl->max_brightness;
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = max_brightness - 1;
- fujitsu->bl_device = backlight_device_register("fujitsu-laptop",
- NULL, NULL,
- &fujitsubl_ops,
- &props);
- if (IS_ERR(fujitsu->bl_device)) {
- ret = PTR_ERR(fujitsu->bl_device);
- fujitsu->bl_device = NULL;
+ fujitsu_bl->bl_device = backlight_device_register("fujitsu-laptop",
+ NULL, NULL,
+ &fujitsu_bl_ops,
+ &props);
+ if (IS_ERR(fujitsu_bl->bl_device)) {
+ ret = PTR_ERR(fujitsu_bl->bl_device);
+ fujitsu_bl->bl_device = NULL;
goto fail_sysfs_group;
}
- fujitsu->bl_device->props.brightness = fujitsu->brightness_level;
+ fujitsu_bl->bl_device->props.brightness = fujitsu_bl->brightness_level;
}
- ret = platform_driver_register(&fujitsupf_driver);
+ ret = platform_driver_register(&fujitsu_pf_driver);
if (ret)
goto fail_backlight;
- /* Register hotkey driver */
+ /* Register laptop driver */
- fujitsu_hotkey = kzalloc(sizeof(struct fujitsu_hotkey_t), GFP_KERNEL);
- if (!fujitsu_hotkey) {
+ fujitsu_laptop = kzalloc(sizeof(struct fujitsu_laptop), GFP_KERNEL);
+ if (!fujitsu_laptop) {
ret = -ENOMEM;
- goto fail_hotkey;
+ goto fail_laptop;
}
- result = acpi_bus_register_driver(&acpi_fujitsu_hotkey_driver);
- if (result < 0) {
- ret = -ENODEV;
- goto fail_hotkey1;
- }
+ ret = acpi_bus_register_driver(&acpi_fujitsu_laptop_driver);
+ if (ret)
+ goto fail_laptop1;
/* Sync backlight power status (needs FUJ02E3 device, hence deferred) */
if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
if (call_fext_func(FUNC_BACKLIGHT, 0x2, 0x4, 0x0) == 3)
- fujitsu->bl_device->props.power = FB_BLANK_POWERDOWN;
+ fujitsu_bl->bl_device->props.power = FB_BLANK_POWERDOWN;
else
- fujitsu->bl_device->props.power = FB_BLANK_UNBLANK;
+ fujitsu_bl->bl_device->props.power = FB_BLANK_UNBLANK;
}
pr_info("driver " FUJITSU_DRIVER_VERSION " successfully loaded\n");
return 0;
-fail_hotkey1:
- kfree(fujitsu_hotkey);
-fail_hotkey:
- platform_driver_unregister(&fujitsupf_driver);
+fail_laptop1:
+ kfree(fujitsu_laptop);
+fail_laptop:
+ platform_driver_unregister(&fujitsu_pf_driver);
fail_backlight:
- backlight_device_unregister(fujitsu->bl_device);
+ backlight_device_unregister(fujitsu_bl->bl_device);
fail_sysfs_group:
- sysfs_remove_group(&fujitsu->pf_device->dev.kobj,
- &fujitsupf_attribute_group);
+ sysfs_remove_group(&fujitsu_bl->pf_device->dev.kobj,
+ &fujitsu_pf_attribute_group);
fail_platform_device2:
- platform_device_del(fujitsu->pf_device);
+ platform_device_del(fujitsu_bl->pf_device);
fail_platform_device1:
- platform_device_put(fujitsu->pf_device);
+ platform_device_put(fujitsu_bl->pf_device);
fail_platform_driver:
- acpi_bus_unregister_driver(&acpi_fujitsu_driver);
+ acpi_bus_unregister_driver(&acpi_fujitsu_bl_driver);
fail_acpi:
- kfree(fujitsu);
+ kfree(fujitsu_bl);
return ret;
}
static void __exit fujitsu_cleanup(void)
{
- acpi_bus_unregister_driver(&acpi_fujitsu_hotkey_driver);
+ acpi_bus_unregister_driver(&acpi_fujitsu_laptop_driver);
- kfree(fujitsu_hotkey);
+ kfree(fujitsu_laptop);
- platform_driver_unregister(&fujitsupf_driver);
+ platform_driver_unregister(&fujitsu_pf_driver);
- backlight_device_unregister(fujitsu->bl_device);
+ backlight_device_unregister(fujitsu_bl->bl_device);
- sysfs_remove_group(&fujitsu->pf_device->dev.kobj,
- &fujitsupf_attribute_group);
+ sysfs_remove_group(&fujitsu_bl->pf_device->dev.kobj,
+ &fujitsu_pf_attribute_group);
- platform_device_unregister(fujitsu->pf_device);
+ platform_device_unregister(fujitsu_bl->pf_device);
- acpi_bus_unregister_driver(&acpi_fujitsu_driver);
+ acpi_bus_unregister_driver(&acpi_fujitsu_bl_driver);
- kfree(fujitsu);
+ kfree(fujitsu_bl);
pr_info("driver unloaded\n");
}
@@ -1341,7 +1338,3 @@ MODULE_AUTHOR("Jonathan Woithe, Peter Gruber, Tony Vroon");
MODULE_DESCRIPTION("Fujitsu laptop extras support");
MODULE_VERSION(FUJITSU_DRIVER_VERSION);
MODULE_LICENSE("GPL");
-
-MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*");
-MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1E6:*:cvrS6420:*");
-MODULE_ALIAS("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*");
diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index 109e2c99e6c1..95d8f25cbcca 100644
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/drivers/scsi/aic7xxx/aic79xx_core.c
@@ -6278,7 +6278,7 @@ ahd_reset(struct ahd_softc *ahd, int reinit)
* does not disable its parity logic prior to
* the start of the reset. This may cause a
* parity error to be detected and thus a
- * spurious SERR or PERR assertion. Disble
+ * spurious SERR or PERR assertion. Disable
* PERR and SERR responses during the CHIPRST.
*/
mod_cmd = cmd & ~(PCIM_CMD_PERRESPEN|PCIM_CMD_SERRESPEN);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index c7839f6c35cc..d277e8620e3e 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3075,23 +3075,6 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
put_device(&sdkp->dev);
}
-struct sd_devt {
- int idx;
- struct disk_devt disk_devt;
-};
-
-static void sd_devt_release(struct disk_devt *disk_devt)
-{
- struct sd_devt *sd_devt = container_of(disk_devt, struct sd_devt,
- disk_devt);
-
- spin_lock(&sd_index_lock);
- ida_remove(&sd_index_ida, sd_devt->idx);
- spin_unlock(&sd_index_lock);
-
- kfree(sd_devt);
-}
-
/**
* sd_probe - called during driver initialization and whenever a
* new scsi device is attached to the system. It is called once
@@ -3113,7 +3096,6 @@ static void sd_devt_release(struct disk_devt *disk_devt)
static int sd_probe(struct device *dev)
{
struct scsi_device *sdp = to_scsi_device(dev);
- struct sd_devt *sd_devt;
struct scsi_disk *sdkp;
struct gendisk *gd;
int index;
@@ -3139,13 +3121,9 @@ static int sd_probe(struct device *dev)
if (!sdkp)
goto out;
- sd_devt = kzalloc(sizeof(*sd_devt), GFP_KERNEL);
- if (!sd_devt)
- goto out_free;
-
gd = alloc_disk(SD_MINORS);
if (!gd)
- goto out_free_devt;
+ goto out_free;
do {
if (!ida_pre_get(&sd_index_ida, GFP_KERNEL))
@@ -3161,11 +3139,6 @@ static int sd_probe(struct device *dev)
goto out_put;
}
- atomic_set(&sd_devt->disk_devt.count, 1);
- sd_devt->disk_devt.release = sd_devt_release;
- sd_devt->idx = index;
- gd->disk_devt = &sd_devt->disk_devt;
-
error = sd_format_disk_name("sd", index, gd->disk_name, DISK_NAME_LEN);
if (error) {
sdev_printk(KERN_WARNING, sdp, "SCSI disk (sd) name length exceeded.\n");
@@ -3205,12 +3178,11 @@ static int sd_probe(struct device *dev)
return 0;
out_free_index:
- put_disk_devt(&sd_devt->disk_devt);
- sd_devt = NULL;
+ spin_lock(&sd_index_lock);
+ ida_remove(&sd_index_ida, index);
+ spin_unlock(&sd_index_lock);
out_put:
put_disk(gd);
- out_free_devt:
- kfree(sd_devt);
out_free:
kfree(sdkp);
out:
@@ -3271,7 +3243,10 @@ static void scsi_disk_release(struct device *dev)
struct scsi_disk *sdkp = to_scsi_disk(dev);
struct gendisk *disk = sdkp->disk;
- put_disk_devt(disk->disk_devt);
+ spin_lock(&sd_index_lock);
+ ida_remove(&sd_index_ida, sdkp->index);
+ spin_unlock(&sd_index_lock);
+
disk->private_data = NULL;
put_disk(disk);
put_device(&sdkp->device->sdev_gendev);
diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index 7f8cf875157c..65a285631994 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -336,7 +336,6 @@ static int cvm_oct_poll(struct oct_rx_group *rx_group, int budget)
if (likely((port < TOTAL_NUMBER_OF_PORTS) &&
cvm_oct_device[port])) {
struct net_device *dev = cvm_oct_device[port];
- struct octeon_ethernet *priv = netdev_priv(dev);
/*
* Only accept packets for devices that are
diff --git a/drivers/staging/vc04_services/Kconfig b/drivers/staging/vc04_services/Kconfig
index e61e4ca064a8..74094fff4367 100644
--- a/drivers/staging/vc04_services/Kconfig
+++ b/drivers/staging/vc04_services/Kconfig
@@ -1,6 +1,7 @@
config BCM2835_VCHIQ
tristate "Videocore VCHIQ"
depends on HAS_DMA
+ depends on OF
depends on RASPBERRYPI_FIRMWARE || (COMPILE_TEST && !RASPBERRYPI_FIRMWARE)
default y
help
diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c
index 1bacbc3b19a0..e94aea8c0d05 100644
--- a/drivers/tty/n_hdlc.c
+++ b/drivers/tty/n_hdlc.c
@@ -114,7 +114,7 @@
#define DEFAULT_TX_BUF_COUNT 3
struct n_hdlc_buf {
- struct n_hdlc_buf *link;
+ struct list_head list_item;
int count;
char buf[1];
};
@@ -122,8 +122,7 @@ struct n_hdlc_buf {
#define N_HDLC_BUF_SIZE (sizeof(struct n_hdlc_buf) + maxframe)
struct n_hdlc_buf_list {
- struct n_hdlc_buf *head;
- struct n_hdlc_buf *tail;
+ struct list_head list;
int count;
spinlock_t spinlock;
};
@@ -136,7 +135,6 @@ struct n_hdlc_buf_list {
* @backup_tty - TTY to use if tty gets closed
* @tbusy - reentrancy flag for tx wakeup code
* @woke_up - FIXME: describe this field
- * @tbuf - currently transmitting tx buffer
* @tx_buf_list - list of pending transmit frame buffers
* @rx_buf_list - list of received frame buffers
* @tx_free_buf_list - list unused transmit frame buffers
@@ -149,7 +147,6 @@ struct n_hdlc {
struct tty_struct *backup_tty;
int tbusy;
int woke_up;
- struct n_hdlc_buf *tbuf;
struct n_hdlc_buf_list tx_buf_list;
struct n_hdlc_buf_list rx_buf_list;
struct n_hdlc_buf_list tx_free_buf_list;
@@ -159,6 +156,8 @@ struct n_hdlc {
/*
* HDLC buffer list manipulation functions
*/
+static void n_hdlc_buf_return(struct n_hdlc_buf_list *buf_list,
+ struct n_hdlc_buf *buf);
static void n_hdlc_buf_put(struct n_hdlc_buf_list *list,
struct n_hdlc_buf *buf);
static struct n_hdlc_buf *n_hdlc_buf_get(struct n_hdlc_buf_list *list);
@@ -208,16 +207,9 @@ static void flush_tx_queue(struct tty_struct *tty)
{
struct n_hdlc *n_hdlc = tty2n_hdlc(tty);
struct n_hdlc_buf *buf;
- unsigned long flags;
while ((buf = n_hdlc_buf_get(&n_hdlc->tx_buf_list)))
n_hdlc_buf_put(&n_hdlc->tx_free_buf_list, buf);
- spin_lock_irqsave(&n_hdlc->tx_buf_list.spinlock, flags);
- if (n_hdlc->tbuf) {
- n_hdlc_buf_put(&n_hdlc->tx_free_buf_list, n_hdlc->tbuf);
- n_hdlc->tbuf = NULL;
- }
- spin_unlock_irqrestore(&n_hdlc->tx_buf_list.spinlock, flags);
}
static struct tty_ldisc_ops n_hdlc_ldisc = {
@@ -283,7 +275,6 @@ static void n_hdlc_release(struct n_hdlc *n_hdlc)
} else
break;
}
- kfree(n_hdlc->tbuf);
kfree(n_hdlc);
} /* end of n_hdlc_release() */
@@ -402,13 +393,7 @@ static void n_hdlc_send_frames(struct n_hdlc *n_hdlc, struct tty_struct *tty)
n_hdlc->woke_up = 0;
spin_unlock_irqrestore(&n_hdlc->tx_buf_list.spinlock, flags);
- /* get current transmit buffer or get new transmit */
- /* buffer from list of pending transmit buffers */
-
- tbuf = n_hdlc->tbuf;
- if (!tbuf)
- tbuf = n_hdlc_buf_get(&n_hdlc->tx_buf_list);
-
+ tbuf = n_hdlc_buf_get(&n_hdlc->tx_buf_list);
while (tbuf) {
if (debuglevel >= DEBUG_LEVEL_INFO)
printk("%s(%d)sending frame %p, count=%d\n",
@@ -420,7 +405,7 @@ static void n_hdlc_send_frames(struct n_hdlc *n_hdlc, struct tty_struct *tty)
/* rollback was possible and has been done */
if (actual == -ERESTARTSYS) {
- n_hdlc->tbuf = tbuf;
+ n_hdlc_buf_return(&n_hdlc->tx_buf_list, tbuf);
break;
}
/* if transmit error, throw frame away by */
@@ -435,10 +420,7 @@ static void n_hdlc_send_frames(struct n_hdlc *n_hdlc, struct tty_struct *tty)
/* free current transmit buffer */
n_hdlc_buf_put(&n_hdlc->tx_free_buf_list, tbuf);
-
- /* this tx buffer is done */
- n_hdlc->tbuf = NULL;
-
+
/* wait up sleeping writers */
wake_up_interruptible(&tty->write_wait);
@@ -448,10 +430,12 @@ static void n_hdlc_send_frames(struct n_hdlc *n_hdlc, struct tty_struct *tty)
if (debuglevel >= DEBUG_LEVEL_INFO)
printk("%s(%d)frame %p pending\n",
__FILE__,__LINE__,tbuf);
-
- /* buffer not accepted by driver */
- /* set this buffer as pending buffer */
- n_hdlc->tbuf = tbuf;
+
+ /*
+ * the buffer was not accepted by driver,
+ * return it back into tx queue
+ */
+ n_hdlc_buf_return(&n_hdlc->tx_buf_list, tbuf);
break;
}
}
@@ -749,7 +733,8 @@ static int n_hdlc_tty_ioctl(struct tty_struct *tty, struct file *file,
int error = 0;
int count;
unsigned long flags;
-
+ struct n_hdlc_buf *buf = NULL;
+
if (debuglevel >= DEBUG_LEVEL_INFO)
printk("%s(%d)n_hdlc_tty_ioctl() called %d\n",
__FILE__,__LINE__,cmd);
@@ -763,8 +748,10 @@ static int n_hdlc_tty_ioctl(struct tty_struct *tty, struct file *file,
/* report count of read data available */
/* in next available frame (if any) */
spin_lock_irqsave(&n_hdlc->rx_buf_list.spinlock,flags);
- if (n_hdlc->rx_buf_list.head)
- count = n_hdlc->rx_buf_list.head->count;
+ buf = list_first_entry_or_null(&n_hdlc->rx_buf_list.list,
+ struct n_hdlc_buf, list_item);
+ if (buf)
+ count = buf->count;
else
count = 0;
spin_unlock_irqrestore(&n_hdlc->rx_buf_list.spinlock,flags);
@@ -776,8 +763,10 @@ static int n_hdlc_tty_ioctl(struct tty_struct *tty, struct file *file,
count = tty_chars_in_buffer(tty);
/* add size of next output frame in queue */
spin_lock_irqsave(&n_hdlc->tx_buf_list.spinlock,flags);
- if (n_hdlc->tx_buf_list.head)
- count += n_hdlc->tx_buf_list.head->count;
+ buf = list_first_entry_or_null(&n_hdlc->tx_buf_list.list,
+ struct n_hdlc_buf, list_item);
+ if (buf)
+ count += buf->count;
spin_unlock_irqrestore(&n_hdlc->tx_buf_list.spinlock,flags);
error = put_user(count, (int __user *)arg);
break;
@@ -825,14 +814,14 @@ static unsigned int n_hdlc_tty_poll(struct tty_struct *tty, struct file *filp,
poll_wait(filp, &tty->write_wait, wait);
/* set bits for operations that won't block */
- if (n_hdlc->rx_buf_list.head)
+ if (!list_empty(&n_hdlc->rx_buf_list.list))
mask |= POLLIN | POLLRDNORM; /* readable */
if (test_bit(TTY_OTHER_CLOSED, &tty->flags))
mask |= POLLHUP;
if (tty_hung_up_p(filp))
mask |= POLLHUP;
if (!tty_is_writelocked(tty) &&
- n_hdlc->tx_free_buf_list.head)
+ !list_empty(&n_hdlc->tx_free_buf_list.list))
mask |= POLLOUT | POLLWRNORM; /* writable */
}
return mask;
@@ -856,7 +845,12 @@ static struct n_hdlc *n_hdlc_alloc(void)
spin_lock_init(&n_hdlc->tx_free_buf_list.spinlock);
spin_lock_init(&n_hdlc->rx_buf_list.spinlock);
spin_lock_init(&n_hdlc->tx_buf_list.spinlock);
-
+
+ INIT_LIST_HEAD(&n_hdlc->rx_free_buf_list.list);
+ INIT_LIST_HEAD(&n_hdlc->tx_free_buf_list.list);
+ INIT_LIST_HEAD(&n_hdlc->rx_buf_list.list);
+ INIT_LIST_HEAD(&n_hdlc->tx_buf_list.list);
+
/* allocate free rx buffer list */
for(i=0;i<DEFAULT_RX_BUF_COUNT;i++) {
buf = kmalloc(N_HDLC_BUF_SIZE, GFP_KERNEL);
@@ -884,53 +878,65 @@ static struct n_hdlc *n_hdlc_alloc(void)
} /* end of n_hdlc_alloc() */
/**
+ * n_hdlc_buf_return - put the HDLC buffer after the head of the specified list
+ * @buf_list - pointer to the buffer list
+ * @buf - pointer to the buffer
+ */
+static void n_hdlc_buf_return(struct n_hdlc_buf_list *buf_list,
+ struct n_hdlc_buf *buf)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&buf_list->spinlock, flags);
+
+ list_add(&buf->list_item, &buf_list->list);
+ buf_list->count++;
+
+ spin_unlock_irqrestore(&buf_list->spinlock, flags);
+}
+
+/**
* n_hdlc_buf_put - add specified HDLC buffer to tail of specified list
- * @list - pointer to buffer list
+ * @buf_list - pointer to buffer list
* @buf - pointer to buffer
*/
-static void n_hdlc_buf_put(struct n_hdlc_buf_list *list,
+static void n_hdlc_buf_put(struct n_hdlc_buf_list *buf_list,
struct n_hdlc_buf *buf)
{
unsigned long flags;
- spin_lock_irqsave(&list->spinlock,flags);
-
- buf->link=NULL;
- if (list->tail)
- list->tail->link = buf;
- else
- list->head = buf;
- list->tail = buf;
- (list->count)++;
-
- spin_unlock_irqrestore(&list->spinlock,flags);
-
+
+ spin_lock_irqsave(&buf_list->spinlock, flags);
+
+ list_add_tail(&buf->list_item, &buf_list->list);
+ buf_list->count++;
+
+ spin_unlock_irqrestore(&buf_list->spinlock, flags);
} /* end of n_hdlc_buf_put() */
/**
* n_hdlc_buf_get - remove and return an HDLC buffer from list
- * @list - pointer to HDLC buffer list
+ * @buf_list - pointer to HDLC buffer list
*
* Remove and return an HDLC buffer from the head of the specified HDLC buffer
* list.
* Returns a pointer to HDLC buffer if available, otherwise %NULL.
*/
-static struct n_hdlc_buf* n_hdlc_buf_get(struct n_hdlc_buf_list *list)
+static struct n_hdlc_buf *n_hdlc_buf_get(struct n_hdlc_buf_list *buf_list)
{
unsigned long flags;
struct n_hdlc_buf *buf;
- spin_lock_irqsave(&list->spinlock,flags);
-
- buf = list->head;
+
+ spin_lock_irqsave(&buf_list->spinlock, flags);
+
+ buf = list_first_entry_or_null(&buf_list->list,
+ struct n_hdlc_buf, list_item);
if (buf) {
- list->head = buf->link;
- (list->count)--;
+ list_del(&buf->list_item);
+ buf_list->count--;
}
- if (!list->head)
- list->tail = NULL;
-
- spin_unlock_irqrestore(&list->spinlock,flags);
+
+ spin_unlock_irqrestore(&buf_list->spinlock, flags);
return buf;
-
} /* end of n_hdlc_buf_get() */
static char hdlc_banner[] __initdata =
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index b4f86c219db1..7a17aedbf902 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1031,8 +1031,10 @@ static int s3c64xx_serial_startup(struct uart_port *port)
if (ourport->dma) {
ret = s3c24xx_serial_request_dma(ourport);
if (ret < 0) {
- dev_warn(port->dev, "DMA request failed\n");
- return ret;
+ dev_warn(port->dev,
+ "DMA request failed, DMA will not be used\n");
+ devm_kfree(port->dev, ourport->dma);
+ ourport->dma = NULL;
}
}
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 2092e46b1380..f8d0747810e7 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -250,6 +250,7 @@ static void dwc3_omap_set_mailbox(struct dwc3_omap *omap,
val = dwc3_omap_read_utmi_ctrl(omap);
val |= USBOTGSS_UTMI_OTG_CTRL_IDDIG;
dwc3_omap_write_utmi_ctrl(omap, val);
+ break;
case OMAP_DWC3_VBUS_OFF:
val = dwc3_omap_read_utmi_ctrl(omap);
@@ -392,7 +393,7 @@ static void dwc3_omap_set_utmi_mode(struct dwc3_omap *omap)
{
u32 reg;
struct device_node *node = omap->dev->of_node;
- int utmi_mode = 0;
+ u32 utmi_mode = 0;
reg = dwc3_omap_read_utmi_ctrl(omap);
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 4db97ecae885..0d75158e43fe 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1342,6 +1342,68 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
if (r == req) {
/* wait until it is processed */
dwc3_stop_active_transfer(dwc, dep->number, true);
+
+ /*
+ * If request was already started, this means we had to
+ * stop the transfer. With that we also need to ignore
+ * all TRBs used by the request, however TRBs can only
+ * be modified after completion of END_TRANSFER
+ * command. So what we do here is that we wait for
+ * END_TRANSFER completion and only after that, we jump
+ * over TRBs by clearing HWO and incrementing dequeue
+ * pointer.
+ *
+ * Note that we have 2 possible types of transfers here:
+ *
+ * i) Linear buffer request
+ * ii) SG-list based request
+ *
+ * SG-list based requests will have r->num_pending_sgs
+ * set to a valid number (> 0). Linear requests,
+ * normally use a single TRB.
+ *
+ * For each of these two cases, if r->unaligned flag is
+ * set, one extra TRB has been used to align transfer
+ * size to wMaxPacketSize.
+ *
+ * All of these cases need to be taken into
+ * consideration so we don't mess up our TRB ring
+ * pointers.
+ */
+ wait_event_lock_irq(dep->wait_end_transfer,
+ !(dep->flags & DWC3_EP_END_TRANSFER_PENDING),
+ dwc->lock);
+
+ if (!r->trb)
+ goto out1;
+
+ if (r->num_pending_sgs) {
+ struct dwc3_trb *trb;
+ int i = 0;
+
+ for (i = 0; i < r->num_pending_sgs; i++) {
+ trb = r->trb + i;
+ trb->ctrl &= ~DWC3_TRB_CTRL_HWO;
+ dwc3_ep_inc_deq(dep);
+ }
+
+ if (r->unaligned) {
+ trb = r->trb + r->num_pending_sgs + 1;
+ trb->ctrl &= ~DWC3_TRB_CTRL_HWO;
+ dwc3_ep_inc_deq(dep);
+ }
+ } else {
+ struct dwc3_trb *trb = r->trb;
+
+ trb->ctrl &= ~DWC3_TRB_CTRL_HWO;
+ dwc3_ep_inc_deq(dep);
+
+ if (r->unaligned) {
+ trb = r->trb + 1;
+ trb->ctrl &= ~DWC3_TRB_CTRL_HWO;
+ dwc3_ep_inc_deq(dep);
+ }
+ }
goto out1;
}
dev_err(dwc->dev, "request %p was not queued to %s\n",
@@ -1352,6 +1414,7 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
out1:
/* giveback the request */
+ dep->queued_requests--;
dwc3_gadget_giveback(dep, req, -ECONNRESET);
out0:
@@ -2126,12 +2189,12 @@ static int __dwc3_cleanup_done_trbs(struct dwc3 *dwc, struct dwc3_ep *dep,
return 1;
}
- if ((trb->ctrl & DWC3_TRB_CTRL_HWO) && status != -ESHUTDOWN)
- return 1;
-
count = trb->size & DWC3_TRB_SIZE_MASK;
req->remaining += count;
+ if ((trb->ctrl & DWC3_TRB_CTRL_HWO) && status != -ESHUTDOWN)
+ return 1;
+
if (dep->direction) {
if (count) {
trb_status = DWC3_TRB_SIZE_TRBSTS(trb->size);
@@ -3228,15 +3291,10 @@ void dwc3_gadget_exit(struct dwc3 *dwc)
int dwc3_gadget_suspend(struct dwc3 *dwc)
{
- int ret;
-
if (!dwc->gadget_driver)
return 0;
- ret = dwc3_gadget_run_stop(dwc, false, false);
- if (ret < 0)
- return ret;
-
+ dwc3_gadget_run_stop(dwc, false, false);
dwc3_disconnect_gadget(dwc);
__dwc3_gadget_stop(dwc);
diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h
index 3129bcf74d7d..265e223ab645 100644
--- a/drivers/usb/dwc3/gadget.h
+++ b/drivers/usb/dwc3/gadget.h
@@ -28,23 +28,23 @@ struct dwc3;
#define gadget_to_dwc(g) (container_of(g, struct dwc3, gadget))
/* DEPCFG parameter 1 */
-#define DWC3_DEPCFG_INT_NUM(n) ((n) << 0)
+#define DWC3_DEPCFG_INT_NUM(n) (((n) & 0x1f) << 0)
#define DWC3_DEPCFG_XFER_COMPLETE_EN (1 << 8)
#define DWC3_DEPCFG_XFER_IN_PROGRESS_EN (1 << 9)
#define DWC3_DEPCFG_XFER_NOT_READY_EN (1 << 10)
#define DWC3_DEPCFG_FIFO_ERROR_EN (1 << 11)
#define DWC3_DEPCFG_STREAM_EVENT_EN (1 << 13)
-#define DWC3_DEPCFG_BINTERVAL_M1(n) ((n) << 16)
+#define DWC3_DEPCFG_BINTERVAL_M1(n) (((n) & 0xff) << 16)
#define DWC3_DEPCFG_STREAM_CAPABLE (1 << 24)
-#define DWC3_DEPCFG_EP_NUMBER(n) ((n) << 25)
+#define DWC3_DEPCFG_EP_NUMBER(n) (((n) & 0x1f) << 25)
#define DWC3_DEPCFG_BULK_BASED (1 << 30)
#define DWC3_DEPCFG_FIFO_BASED (1 << 31)
/* DEPCFG parameter 0 */
-#define DWC3_DEPCFG_EP_TYPE(n) ((n) << 1)
-#define DWC3_DEPCFG_MAX_PACKET_SIZE(n) ((n) << 3)
-#define DWC3_DEPCFG_FIFO_NUMBER(n) ((n) << 17)
-#define DWC3_DEPCFG_BURST_SIZE(n) ((n) << 22)
+#define DWC3_DEPCFG_EP_TYPE(n) (((n) & 0x3) << 1)
+#define DWC3_DEPCFG_MAX_PACKET_SIZE(n) (((n) & 0x7ff) << 3)
+#define DWC3_DEPCFG_FIFO_NUMBER(n) (((n) & 0x1f) << 17)
+#define DWC3_DEPCFG_BURST_SIZE(n) (((n) & 0xf) << 22)
#define DWC3_DEPCFG_DATA_SEQ_NUM(n) ((n) << 26)
/* This applies for core versions earlier than 1.94a */
#define DWC3_DEPCFG_IGN_SEQ_NUM (1 << 31)
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 78c44979dde3..cbff3b02840d 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -269,6 +269,7 @@ static ssize_t gadget_dev_desc_UDC_store(struct config_item *item,
ret = unregister_gadget(gi);
if (ret)
goto err;
+ kfree(name);
} else {
if (gi->composite.gadget_driver.udc_name) {
ret = -EBUSY;
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index a5b7cd615698..a0085571824d 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1834,11 +1834,14 @@ static int ffs_func_eps_enable(struct ffs_function *func)
spin_lock_irqsave(&func->ffs->eps_lock, flags);
while(count--) {
struct usb_endpoint_descriptor *ds;
+ struct usb_ss_ep_comp_descriptor *comp_desc = NULL;
+ int needs_comp_desc = false;
int desc_idx;
- if (ffs->gadget->speed == USB_SPEED_SUPER)
+ if (ffs->gadget->speed == USB_SPEED_SUPER) {
desc_idx = 2;
- else if (ffs->gadget->speed == USB_SPEED_HIGH)
+ needs_comp_desc = true;
+ } else if (ffs->gadget->speed == USB_SPEED_HIGH)
desc_idx = 1;
else
desc_idx = 0;
@@ -1855,6 +1858,14 @@ static int ffs_func_eps_enable(struct ffs_function *func)
ep->ep->driver_data = ep;
ep->ep->desc = ds;
+
+ comp_desc = (struct usb_ss_ep_comp_descriptor *)(ds +
+ USB_DT_ENDPOINT_SIZE);
+ ep->ep->maxburst = comp_desc->bMaxBurst + 1;
+
+ if (needs_comp_desc)
+ ep->ep->comp_desc = comp_desc;
+
ret = usb_ep_enable(ep->ep);
if (likely(!ret)) {
epfile->ep = ep;
@@ -2253,7 +2264,7 @@ static int __ffs_data_do_os_desc(enum ffs_os_desc_type type,
if (len < sizeof(*d) ||
d->bFirstInterfaceNumber >= ffs->interfaces_count ||
- d->Reserved1)
+ !d->Reserved1)
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(d->Reserved2); ++i)
if (d->Reserved2[i])
diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c
index 27ed51b5082f..29b41b5dee04 100644
--- a/drivers/usb/gadget/function/f_uvc.c
+++ b/drivers/usb/gadget/function/f_uvc.c
@@ -258,13 +258,6 @@ uvc_function_setup(struct usb_function *f, const struct usb_ctrlrequest *ctrl)
memcpy(&uvc_event->req, ctrl, sizeof(uvc_event->req));
v4l2_event_queue(&uvc->vdev, &v4l2_event);
- /* Pass additional setup data to userspace */
- if (uvc->event_setup_out && uvc->event_length) {
- uvc->control_req->length = uvc->event_length;
- return usb_ep_queue(uvc->func.config->cdev->gadget->ep0,
- uvc->control_req, GFP_ATOMIC);
- }
-
return 0;
}
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index a2615d64d07c..a2c916869293 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -84,8 +84,7 @@ static int ep_open(struct inode *, struct file *);
/* /dev/gadget/$CHIP represents ep0 and the whole device */
enum ep0_state {
- /* DISBLED is the initial state.
- */
+ /* DISABLED is the initial state. */
STATE_DEV_DISABLED = 0,
/* Only one open() of /dev/gadget/$CHIP; only one file tracks
@@ -1782,8 +1781,10 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
spin_lock_irq (&dev->lock);
value = -EINVAL;
- if (dev->buf)
+ if (dev->buf) {
+ kfree(kbuf);
goto fail;
+ }
dev->buf = kbuf;
/* full or low speed config */
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index 11bbce28bc23..2035906b8ced 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -610,7 +610,7 @@ usba_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
{
struct usba_ep *ep = to_usba_ep(_ep);
struct usba_udc *udc = ep->udc;
- unsigned long flags, ept_cfg, maxpacket;
+ unsigned long flags, maxpacket;
unsigned int nr_trans;
DBG(DBG_GADGET, "%s: ep_enable: desc=%p\n", ep->ep.name, desc);
@@ -630,7 +630,7 @@ usba_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
ep->is_in = 0;
DBG(DBG_ERR, "%s: EPT_CFG = 0x%lx (maxpacket = %lu)\n",
- ep->ep.name, ept_cfg, maxpacket);
+ ep->ep.name, ep->ept_cfg, maxpacket);
if (usb_endpoint_dir_in(desc)) {
ep->is_in = 1;
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index c60abe3a68f9..8cabc5944d5f 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -1031,6 +1031,8 @@ static int dummy_udc_probe(struct platform_device *pdev)
int rc;
dum = *((void **)dev_get_platdata(&pdev->dev));
+ /* Clear usb_gadget region for new registration to udc-core */
+ memzero_explicit(&dum->gadget, sizeof(struct usb_gadget));
dum->gadget.name = gadget_name;
dum->gadget.ops = &dummy_ops;
dum->gadget.max_speed = USB_SPEED_SUPER;
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index 85504419ab31..3828c2ec8623 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -1146,15 +1146,15 @@ static int scan_dma_completions(struct net2280_ep *ep)
*/
while (!list_empty(&ep->queue)) {
struct net2280_request *req;
- u32 tmp;
+ u32 req_dma_count;
req = list_entry(ep->queue.next,
struct net2280_request, queue);
if (!req->valid)
break;
rmb();
- tmp = le32_to_cpup(&req->td->dmacount);
- if ((tmp & BIT(VALID_BIT)) != 0)
+ req_dma_count = le32_to_cpup(&req->td->dmacount);
+ if ((req_dma_count & BIT(VALID_BIT)) != 0)
break;
/* SHORT_PACKET_TRANSFERRED_INTERRUPT handles "usb-short"
@@ -1163,40 +1163,41 @@ static int scan_dma_completions(struct net2280_ep *ep)
*/
if (unlikely(req->td->dmadesc == 0)) {
/* paranoia */
- tmp = readl(&ep->dma->dmacount);
- if (tmp & DMA_BYTE_COUNT_MASK)
+ u32 const ep_dmacount = readl(&ep->dma->dmacount);
+
+ if (ep_dmacount & DMA_BYTE_COUNT_MASK)
break;
/* single transfer mode */
- dma_done(ep, req, tmp, 0);
+ dma_done(ep, req, req_dma_count, 0);
num_completed++;
break;
} else if (!ep->is_in &&
(req->req.length % ep->ep.maxpacket) &&
!(ep->dev->quirks & PLX_PCIE)) {
- tmp = readl(&ep->regs->ep_stat);
+ u32 const ep_stat = readl(&ep->regs->ep_stat);
/* AVOID TROUBLE HERE by not issuing short reads from
* your gadget driver. That helps avoids errata 0121,
* 0122, and 0124; not all cases trigger the warning.
*/
- if ((tmp & BIT(NAK_OUT_PACKETS)) == 0) {
+ if ((ep_stat & BIT(NAK_OUT_PACKETS)) == 0) {
ep_warn(ep->dev, "%s lost packet sync!\n",
ep->ep.name);
req->req.status = -EOVERFLOW;
} else {
- tmp = readl(&ep->regs->ep_avail);
- if (tmp) {
+ u32 const ep_avail = readl(&ep->regs->ep_avail);
+ if (ep_avail) {
/* fifo gets flushed later */
ep->out_overflow = 1;
ep_dbg(ep->dev,
"%s dma, discard %d len %d\n",
- ep->ep.name, tmp,
+ ep->ep.name, ep_avail,
req->req.length);
req->req.status = -EOVERFLOW;
}
}
}
- dma_done(ep, req, tmp, 0);
+ dma_done(ep, req, req_dma_count, 0);
num_completed++;
}
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c
index e1335ad5bce9..832c4fdbe985 100644
--- a/drivers/usb/gadget/udc/pxa27x_udc.c
+++ b/drivers/usb/gadget/udc/pxa27x_udc.c
@@ -2534,9 +2534,10 @@ static int pxa_udc_remove(struct platform_device *_dev)
usb_del_gadget_udc(&udc->gadget);
pxa_cleanup_debugfs(udc);
- if (!IS_ERR_OR_NULL(udc->transceiver))
+ if (!IS_ERR_OR_NULL(udc->transceiver)) {
usb_unregister_notifier(udc->transceiver, &pxa27x_udc_phy);
- usb_put_phy(udc->transceiver);
+ usb_put_phy(udc->transceiver);
+ }
udc->transceiver = NULL;
the_controller = NULL;
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 414e3c376dbb..5302f988e7e6 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -350,7 +350,7 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
case USB_PORT_FEAT_SUSPEND:
dev_dbg(hcd->self.controller, "SetPortFeat: SUSPEND\n");
- if (valid_port(wIndex)) {
+ if (valid_port(wIndex) && ohci_at91->sfr_regmap) {
ohci_at91_port_suspend(ohci_at91->sfr_regmap,
1);
return 0;
@@ -393,7 +393,7 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
case USB_PORT_FEAT_SUSPEND:
dev_dbg(hcd->self.controller, "ClearPortFeature: SUSPEND\n");
- if (valid_port(wIndex)) {
+ if (valid_port(wIndex) && ohci_at91->sfr_regmap) {
ohci_at91_port_suspend(ohci_at91->sfr_regmap,
0);
return 0;
diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c
index 363d125300ea..2b4a00fa735d 100644
--- a/drivers/usb/host/xhci-dbg.c
+++ b/drivers/usb/host/xhci-dbg.c
@@ -109,7 +109,7 @@ static void xhci_print_cap_regs(struct xhci_hcd *xhci)
xhci_dbg(xhci, "RTSOFF 0x%x:\n", temp & RTSOFF_MASK);
/* xhci 1.1 controllers have the HCCPARAMS2 register */
- if (hci_version > 100) {
+ if (hci_version > 0x100) {
temp = readl(&xhci->cap_regs->hcc_params2);
xhci_dbg(xhci, "HCC PARAMS2 0x%x:\n", (unsigned int) temp);
xhci_dbg(xhci, " HC %s Force save context capability",
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 9066ec9e0c2e..67d5dc79b6b5 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -382,7 +382,6 @@ static int usb_wakeup_of_property_parse(struct xhci_hcd_mtk *mtk,
static int xhci_mtk_setup(struct usb_hcd *hcd);
static const struct xhci_driver_overrides xhci_mtk_overrides __initconst = {
- .extra_priv_size = sizeof(struct xhci_hcd),
.reset = xhci_mtk_setup,
};
@@ -678,13 +677,13 @@ static int xhci_mtk_probe(struct platform_device *pdev)
goto power_off_phys;
}
- if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
- xhci->shared_hcd->can_do_streams = 1;
-
ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (ret)
goto put_usb3_hcd;
+ if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
+ xhci->shared_hcd->can_do_streams = 1;
+
ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
if (ret)
goto dealloc_usb2_hcd;
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 6d33b42ffcf5..bd02a6cd8e2c 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -286,6 +286,8 @@ static int xhci_plat_remove(struct platform_device *dev)
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
struct clk *clk = xhci->clk;
+ xhci->xhc_state |= XHCI_STATE_REMOVING;
+
usb_remove_hcd(xhci->shared_hcd);
usb_phy_shutdown(hcd->usb_phy);
diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
index a59fafb4b329..74436f8ca538 100644
--- a/drivers/usb/host/xhci-tegra.c
+++ b/drivers/usb/host/xhci-tegra.c
@@ -1308,7 +1308,6 @@ static int tegra_xhci_setup(struct usb_hcd *hcd)
}
static const struct xhci_driver_overrides tegra_xhci_overrides __initconst = {
- .extra_priv_size = sizeof(struct xhci_hcd),
.reset = tegra_xhci_setup,
};
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 6d6c46000e56..50aee8b7718b 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -868,7 +868,7 @@ static void xhci_disable_port_wake_on_bits(struct xhci_hcd *xhci)
spin_lock_irqsave(&xhci->lock, flags);
- /* disble usb3 ports Wake bits*/
+ /* disable usb3 ports Wake bits */
port_index = xhci->num_usb3_ports;
port_array = xhci->usb3_ports;
while (port_index--) {
@@ -879,7 +879,7 @@ static void xhci_disable_port_wake_on_bits(struct xhci_hcd *xhci)
writel(t2, port_array[port_index]);
}
- /* disble usb2 ports Wake bits*/
+ /* disable usb2 ports Wake bits */
port_index = xhci->num_usb2_ports;
port_array = xhci->usb2_ports;
while (port_index--) {
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 095778ff984d..37c63cb39714 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -781,12 +781,6 @@ static int iowarrior_probe(struct usb_interface *interface,
iface_desc = interface->cur_altsetting;
dev->product_id = le16_to_cpu(udev->descriptor.idProduct);
- if (iface_desc->desc.bNumEndpoints < 1) {
- dev_err(&interface->dev, "Invalid number of endpoints\n");
- retval = -EINVAL;
- goto error;
- }
-
/* set up the endpoint information */
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
endpoint = &iface_desc->endpoint[i].desc;
@@ -797,6 +791,21 @@ static int iowarrior_probe(struct usb_interface *interface,
/* this one will match for the IOWarrior56 only */
dev->int_out_endpoint = endpoint;
}
+
+ if (!dev->int_in_endpoint) {
+ dev_err(&interface->dev, "no interrupt-in endpoint found\n");
+ retval = -ENODEV;
+ goto error;
+ }
+
+ if (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56) {
+ if (!dev->int_out_endpoint) {
+ dev_err(&interface->dev, "no interrupt-out endpoint found\n");
+ retval = -ENODEV;
+ goto error;
+ }
+ }
+
/* we have to check the report_size often, so remember it in the endianness suitable for our machine */
dev->report_size = usb_endpoint_maxp(dev->int_in_endpoint);
if ((dev->interface->cur_altsetting->desc.bInterfaceNumber == 0) &&
diff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c
index 4e18600dc9b4..91f66d68bcb7 100644
--- a/drivers/usb/misc/usb251xb.c
+++ b/drivers/usb/misc/usb251xb.c
@@ -375,18 +375,24 @@ static int usb251xb_get_ofdata(struct usb251xb *hub,
if (of_get_property(np, "dynamic-power-switching", NULL))
hub->conf_data2 |= BIT(7);
- if (of_get_property(np, "oc-delay-100us", NULL)) {
- hub->conf_data2 &= ~BIT(5);
- hub->conf_data2 &= ~BIT(4);
- } else if (of_get_property(np, "oc-delay-4ms", NULL)) {
- hub->conf_data2 &= ~BIT(5);
- hub->conf_data2 |= BIT(4);
- } else if (of_get_property(np, "oc-delay-8ms", NULL)) {
- hub->conf_data2 |= BIT(5);
- hub->conf_data2 &= ~BIT(4);
- } else if (of_get_property(np, "oc-delay-16ms", NULL)) {
- hub->conf_data2 |= BIT(5);
- hub->conf_data2 |= BIT(4);
+ if (!of_property_read_u32(np, "oc-delay-us", property_u32)) {
+ if (*property_u32 == 100) {
+ /* 100 us*/
+ hub->conf_data2 &= ~BIT(5);
+ hub->conf_data2 &= ~BIT(4);
+ } else if (*property_u32 == 4000) {
+ /* 4 ms */
+ hub->conf_data2 &= ~BIT(5);
+ hub->conf_data2 |= BIT(4);
+ } else if (*property_u32 == 16000) {
+ /* 16 ms */
+ hub->conf_data2 |= BIT(5);
+ hub->conf_data2 |= BIT(4);
+ } else {
+ /* 8 ms (DEFAULT) */
+ hub->conf_data2 |= BIT(5);
+ hub->conf_data2 &= ~BIT(4);
+ }
}
if (of_get_property(np, "compound-device", NULL))
@@ -432,30 +438,9 @@ static int usb251xb_get_ofdata(struct usb251xb *hub,
}
}
- hub->max_power_sp = USB251XB_DEF_MAX_POWER_SELF;
- if (!of_property_read_u32(np, "max-sp-power", property_u32))
- hub->max_power_sp = min_t(u8, be32_to_cpu(*property_u32) / 2,
- 250);
-
- hub->max_power_bp = USB251XB_DEF_MAX_POWER_BUS;
- if (!of_property_read_u32(np, "max-bp-power", property_u32))
- hub->max_power_bp = min_t(u8, be32_to_cpu(*property_u32) / 2,
- 250);
-
- hub->max_current_sp = USB251XB_DEF_MAX_CURRENT_SELF;
- if (!of_property_read_u32(np, "max-sp-current", property_u32))
- hub->max_current_sp = min_t(u8, be32_to_cpu(*property_u32) / 2,
- 250);
-
- hub->max_current_bp = USB251XB_DEF_MAX_CURRENT_BUS;
- if (!of_property_read_u32(np, "max-bp-current", property_u32))
- hub->max_current_bp = min_t(u8, be32_to_cpu(*property_u32) / 2,
- 250);
-
hub->power_on_time = USB251XB_DEF_POWER_ON_TIME;
- if (!of_property_read_u32(np, "power-on-time", property_u32))
- hub->power_on_time = min_t(u8, be32_to_cpu(*property_u32) / 2,
- 255);
+ if (!of_property_read_u32(np, "power-on-time-ms", property_u32))
+ hub->power_on_time = min_t(u8, *property_u32 / 2, 255);
if (of_property_read_u16_array(np, "language-id", &hub->lang_id, 1))
hub->lang_id = USB251XB_DEF_LANGUAGE_ID;
@@ -492,6 +477,10 @@ static int usb251xb_get_ofdata(struct usb251xb *hub,
/* The following parameters are currently not exposed to devicetree, but
* may be as soon as needed.
*/
+ hub->max_power_sp = USB251XB_DEF_MAX_POWER_SELF;
+ hub->max_power_bp = USB251XB_DEF_MAX_POWER_BUS;
+ hub->max_current_sp = USB251XB_DEF_MAX_CURRENT_SELF;
+ hub->max_current_bp = USB251XB_DEF_MAX_CURRENT_BUS;
hub->bat_charge_en = USB251XB_DEF_BATTERY_CHARGING_ENABLE;
hub->boost_up = USB251XB_DEF_BOOST_UP;
hub->boost_x = USB251XB_DEF_BOOST_X;
diff --git a/drivers/usb/phy/phy-isp1301.c b/drivers/usb/phy/phy-isp1301.c
index db68156568e6..b3b33cf7ddf6 100644
--- a/drivers/usb/phy/phy-isp1301.c
+++ b/drivers/usb/phy/phy-isp1301.c
@@ -33,6 +33,12 @@ static const struct i2c_device_id isp1301_id[] = {
};
MODULE_DEVICE_TABLE(i2c, isp1301_id);
+static const struct of_device_id isp1301_of_match[] = {
+ {.compatible = "nxp,isp1301" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, isp1301_of_match);
+
static struct i2c_client *isp1301_i2c_client;
static int __isp1301_write(struct isp1301 *isp, u8 reg, u8 value, u8 clear)
@@ -130,6 +136,7 @@ static int isp1301_remove(struct i2c_client *client)
static struct i2c_driver isp1301_driver = {
.driver = {
.name = DRV_NAME,
+ .of_match_table = of_match_ptr(isp1301_of_match),
},
.probe = isp1301_probe,
.remove = isp1301_remove,
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index ab78111e0968..6537d3ca2797 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -1500,7 +1500,7 @@ static int digi_read_oob_callback(struct urb *urb)
return -1;
/* handle each oob command */
- for (i = 0; i < urb->actual_length - 4; i += 4) {
+ for (i = 0; i < urb->actual_length - 3; i += 4) {
opcode = buf[i];
line = buf[i + 1];
status = buf[i + 2];
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index ceaeebaa6f90..a76b95d32157 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -1674,6 +1674,12 @@ static void edge_interrupt_callback(struct urb *urb)
function = TIUMP_GET_FUNC_FROM_CODE(data[0]);
dev_dbg(dev, "%s - port_number %d, function %d, info 0x%x\n", __func__,
port_number, function, data[1]);
+
+ if (port_number >= edge_serial->serial->num_ports) {
+ dev_err(dev, "bad port number %d\n", port_number);
+ goto exit;
+ }
+
port = edge_serial->serial->port[port_number];
edge_port = usb_get_serial_port_data(port);
if (!edge_port) {
@@ -1755,7 +1761,7 @@ static void edge_bulk_in_callback(struct urb *urb)
port_number = edge_port->port->port_number;
- if (edge_port->lsr_event) {
+ if (urb->actual_length > 0 && edge_port->lsr_event) {
edge_port->lsr_event = 0;
dev_dbg(dev, "%s ===== Port %u LSR Status = %02x, Data = %02x ======\n",
__func__, port_number, edge_port->lsr_mask, *data);
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index a180b17d2432..dd706953b466 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -31,7 +31,6 @@
#define BT_IGNITIONPRO_ID 0x2000
/* function prototypes */
-static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port);
static void omninet_process_read_urb(struct urb *urb);
static void omninet_write_bulk_callback(struct urb *urb);
static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port,
@@ -60,7 +59,6 @@ static struct usb_serial_driver zyxel_omninet_device = {
.attach = omninet_attach,
.port_probe = omninet_port_probe,
.port_remove = omninet_port_remove,
- .open = omninet_open,
.write = omninet_write,
.write_room = omninet_write_room,
.write_bulk_callback = omninet_write_bulk_callback,
@@ -140,17 +138,6 @@ static int omninet_port_remove(struct usb_serial_port *port)
return 0;
}
-static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port)
-{
- struct usb_serial *serial = port->serial;
- struct usb_serial_port *wport;
-
- wport = serial->port[1];
- tty_port_tty_set(&wport->port, tty);
-
- return usb_serial_generic_open(tty, port);
-}
-
#define OMNINET_HEADERLEN 4
#define OMNINET_BULKOUTSIZE 64
#define OMNINET_PAYLOADSIZE (OMNINET_BULKOUTSIZE - OMNINET_HEADERLEN)
diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c
index 93c6c9b08daa..8a069aa154ed 100644
--- a/drivers/usb/serial/safe_serial.c
+++ b/drivers/usb/serial/safe_serial.c
@@ -200,6 +200,11 @@ static void safe_process_read_urb(struct urb *urb)
if (!safe)
goto out;
+ if (length < 2) {
+ dev_err(&port->dev, "malformed packet\n");
+ return;
+ }
+
fcs = fcs_compute10(data, length, CRC10_INITFCS);
if (fcs) {
dev_err(&port->dev, "%s - bad CRC %x\n", __func__, fcs);
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 16cc18369111..9129f6cb8230 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2071,6 +2071,20 @@ UNUSUAL_DEV( 0x1370, 0x6828, 0x0110, 0x0110,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_IGNORE_RESIDUE ),
+/*
+ * Reported by Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
+ * The INIC-3619 bridge is used in the StarTech SLSODDU33B
+ * SATA-USB enclosure for slimline optical drives.
+ *
+ * The quirk enables MakeMKV to properly exchange keys with
+ * an installed BD drive.
+ */
+UNUSUAL_DEV( 0x13fd, 0x3609, 0x0209, 0x0209,
+ "Initio Corporation",
+ "INIC-3619",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_IGNORE_RESIDUE ),
+
/* Reported by Qinglin Ye <yestyle@gmail.com> */
UNUSUAL_DEV( 0x13fe, 0x3600, 0x0100, 0x0100,
"Kingston",
diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
index f8afc6dcc29f..e8cef1ad0fe3 100644
--- a/drivers/xen/swiotlb-xen.c
+++ b/drivers/xen/swiotlb-xen.c
@@ -681,3 +681,50 @@ xen_swiotlb_set_dma_mask(struct device *dev, u64 dma_mask)
return 0;
}
EXPORT_SYMBOL_GPL(xen_swiotlb_set_dma_mask);
+
+/*
+ * Create userspace mapping for the DMA-coherent memory.
+ * This function should be called with the pages from the current domain only,
+ * passing pages mapped from other domains would lead to memory corruption.
+ */
+int
+xen_swiotlb_dma_mmap(struct device *dev, struct vm_area_struct *vma,
+ void *cpu_addr, dma_addr_t dma_addr, size_t size,
+ unsigned long attrs)
+{
+#if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
+ if (__generic_dma_ops(dev)->mmap)
+ return __generic_dma_ops(dev)->mmap(dev, vma, cpu_addr,
+ dma_addr, size, attrs);
+#endif
+ return dma_common_mmap(dev, vma, cpu_addr, dma_addr, size);
+}
+EXPORT_SYMBOL_GPL(xen_swiotlb_dma_mmap);
+
+/*
+ * This function should be called with the pages from the current domain only,
+ * passing pages mapped from other domains would lead to memory corruption.
+ */
+int
+xen_swiotlb_get_sgtable(struct device *dev, struct sg_table *sgt,
+ void *cpu_addr, dma_addr_t handle, size_t size,
+ unsigned long attrs)
+{
+#if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
+ if (__generic_dma_ops(dev)->get_sgtable) {
+#if 0
+ /*
+ * This check verifies that the page belongs to the current domain and
+ * is not one mapped from another domain.
+ * This check is for debug only, and should not go to production build
+ */
+ unsigned long bfn = PHYS_PFN(dma_to_phys(dev, handle));
+ BUG_ON (!page_is_ram(bfn));
+#endif
+ return __generic_dma_ops(dev)->get_sgtable(dev, sgt, cpu_addr,
+ handle, size, attrs);
+ }
+#endif
+ return dma_common_get_sgtable(dev, sgt, cpu_addr, handle, size);
+}
+EXPORT_SYMBOL_GPL(xen_swiotlb_get_sgtable);
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
index 4d343eed08f5..1f4733b80c87 100644
--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
@@ -55,7 +55,6 @@
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/miscdevice.h>
-#include <linux/init.h>
#include <xen/xenbus.h>
#include <xen/xen.h>