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-rw-r--r--drivers/acpi/pci_root.c76
-rw-r--r--drivers/ata/ata_piix.c14
-rw-r--r--drivers/ata/libata-core.c6
-rw-r--r--drivers/ata/libata-scsi.c8
-rw-r--r--drivers/block/loop.c21
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c327
-rw-r--r--drivers/block/mtip32xx/mtip32xx.h18
-rw-r--r--drivers/crypto/ux500/cryp/cryp_core.c2
-rw-r--r--drivers/eisa/pci_eisa.c67
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_mode.c13
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/bios/base.c17
-rw-r--r--drivers/gpu/drm/nouveau/nv50_display.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_bios.c26
-rw-r--r--drivers/hwspinlock/hwspinlock_core.c2
-rw-r--r--drivers/md/dm-cache-target.c51
-rw-r--r--drivers/pci/pci-acpi.c15
-rw-r--r--drivers/pci/pci-driver.c5
-rw-r--r--drivers/pci/pcie/portdrv_pci.c13
-rw-r--r--drivers/pci/rom.c67
-rw-r--r--drivers/remoteproc/Kconfig2
-rw-r--r--drivers/remoteproc/remoteproc_core.c6
-rw-r--r--drivers/remoteproc/ste_modem_rproc.c7
-rw-r--r--drivers/vfio/pci/vfio_pci.c3
23 files changed, 493 insertions, 275 deletions
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 5ff173066127..6ae5e440436e 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -415,7 +415,6 @@ static int acpi_pci_root_add(struct acpi_device *device,
struct acpi_pci_root *root;
struct acpi_pci_driver *driver;
u32 flags, base_flags;
- bool is_osc_granted = false;
root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
if (!root)
@@ -476,6 +475,30 @@ static int acpi_pci_root_add(struct acpi_device *device,
flags = base_flags = OSC_PCI_SEGMENT_GROUPS_SUPPORT;
acpi_pci_osc_support(root, flags);
+ /*
+ * TBD: Need PCI interface for enumeration/configuration of roots.
+ */
+
+ mutex_lock(&acpi_pci_root_lock);
+ list_add_tail(&root->node, &acpi_pci_roots);
+ mutex_unlock(&acpi_pci_root_lock);
+
+ /*
+ * Scan the Root Bridge
+ * --------------------
+ * Must do this prior to any attempt to bind the root device, as the
+ * PCI namespace does not get created until this call is made (and
+ * thus the root bridge's pci_dev does not exist).
+ */
+ root->bus = pci_acpi_scan_root(root);
+ if (!root->bus) {
+ printk(KERN_ERR PREFIX
+ "Bus %04x:%02x not present in PCI namespace\n",
+ root->segment, (unsigned int)root->secondary.start);
+ result = -ENODEV;
+ goto out_del_root;
+ }
+
/* Indicate support for various _OSC capabilities. */
if (pci_ext_cfg_avail())
flags |= OSC_EXT_PCI_CONFIG_SUPPORT;
@@ -494,6 +517,7 @@ static int acpi_pci_root_add(struct acpi_device *device,
flags = base_flags;
}
}
+
if (!pcie_ports_disabled
&& (flags & ACPI_PCIE_REQ_SUPPORT) == ACPI_PCIE_REQ_SUPPORT) {
flags = OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL
@@ -514,54 +538,28 @@ static int acpi_pci_root_add(struct acpi_device *device,
status = acpi_pci_osc_control_set(device->handle, &flags,
OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL);
if (ACPI_SUCCESS(status)) {
- is_osc_granted = true;
dev_info(&device->dev,
"ACPI _OSC control (0x%02x) granted\n", flags);
+ if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_ASPM) {
+ /*
+ * We have ASPM control, but the FADT indicates
+ * that it's unsupported. Clear it.
+ */
+ pcie_clear_aspm(root->bus);
+ }
} else {
- is_osc_granted = false;
dev_info(&device->dev,
"ACPI _OSC request failed (%s), "
"returned control mask: 0x%02x\n",
acpi_format_exception(status), flags);
+ pr_info("ACPI _OSC control for PCIe not granted, "
+ "disabling ASPM\n");
+ pcie_no_aspm();
}
} else {
dev_info(&device->dev,
- "Unable to request _OSC control "
- "(_OSC support mask: 0x%02x)\n", flags);
- }
-
- /*
- * TBD: Need PCI interface for enumeration/configuration of roots.
- */
-
- mutex_lock(&acpi_pci_root_lock);
- list_add_tail(&root->node, &acpi_pci_roots);
- mutex_unlock(&acpi_pci_root_lock);
-
- /*
- * Scan the Root Bridge
- * --------------------
- * Must do this prior to any attempt to bind the root device, as the
- * PCI namespace does not get created until this call is made (and
- * thus the root bridge's pci_dev does not exist).
- */
- root->bus = pci_acpi_scan_root(root);
- if (!root->bus) {
- printk(KERN_ERR PREFIX
- "Bus %04x:%02x not present in PCI namespace\n",
- root->segment, (unsigned int)root->secondary.start);
- result = -ENODEV;
- goto out_del_root;
- }
-
- /* ASPM setting */
- if (is_osc_granted) {
- if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_ASPM)
- pcie_clear_aspm(root->bus);
- } else {
- pr_info("ACPI _OSC control for PCIe not granted, "
- "disabling ASPM\n");
- pcie_no_aspm();
+ "Unable to request _OSC control "
+ "(_OSC support mask: 0x%02x)\n", flags);
}
pci_acpi_add_bus_pm_notifier(device, root->bus);
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index ffdd32d22602..2f48123d74c4 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -150,6 +150,7 @@ enum piix_controller_ids {
tolapai_sata,
piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */
ich8_sata_snb,
+ ich8_2port_sata_snb,
};
struct piix_map_db {
@@ -304,7 +305,7 @@ static const struct pci_device_id piix_pci_tbl[] = {
/* SATA Controller IDE (Lynx Point) */
{ 0x8086, 0x8c01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb },
/* SATA Controller IDE (Lynx Point) */
- { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+ { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb },
/* SATA Controller IDE (Lynx Point) */
{ 0x8086, 0x8c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (Lynx Point-LP) */
@@ -439,6 +440,7 @@ static const struct piix_map_db *piix_map_db_table[] = {
[ich8m_apple_sata] = &ich8m_apple_map_db,
[tolapai_sata] = &tolapai_map_db,
[ich8_sata_snb] = &ich8_map_db,
+ [ich8_2port_sata_snb] = &ich8_2port_map_db,
};
static struct pci_bits piix_enable_bits[] = {
@@ -1242,6 +1244,16 @@ static struct ata_port_info piix_port_info[] = {
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
+
+ [ich8_2port_sata_snb] =
+ {
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR
+ | PIIX_FLAG_PIO16,
+ .pio_mask = ATA_PIO4,
+ .mwdma_mask = ATA_MWDMA2,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &piix_sata_ops,
+ },
};
#define AHCI_PCI_BAR 5
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 497adea1f0d6..63c743baf920 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2329,7 +2329,7 @@ int ata_dev_configure(struct ata_device *dev)
* from SATA Settings page of Identify Device Data Log.
*/
if (ata_id_has_devslp(dev->id)) {
- u8 sata_setting[ATA_SECT_SIZE];
+ u8 *sata_setting = ap->sector_buf;
int i, j;
dev->flags |= ATA_DFLAG_DEVSLP;
@@ -2439,6 +2439,9 @@ int ata_dev_configure(struct ata_device *dev)
dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128,
dev->max_sectors);
+ if (dev->horkage & ATA_HORKAGE_MAX_SEC_LBA48)
+ dev->max_sectors = ATA_MAX_SECTORS_LBA48;
+
if (ap->ops->dev_config)
ap->ops->dev_config(dev);
@@ -4100,6 +4103,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
/* Weird ATAPI devices */
{ "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 },
{ "QUANTUM DAT DAT72-000", NULL, ATA_HORKAGE_ATAPI_MOD16_DMA },
+ { "Slimtype DVD A DS8A8SH", NULL, ATA_HORKAGE_MAX_SEC_LBA48 },
/* Devices we expect to fail diagnostics */
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 318b41358187..ff44787e5a45 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -532,8 +532,8 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
struct scsi_sense_hdr sshdr;
scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
&sshdr);
- if (sshdr.sense_key == 0 &&
- sshdr.asc == 0 && sshdr.ascq == 0)
+ if (sshdr.sense_key == RECOVERED_ERROR &&
+ sshdr.asc == 0 && sshdr.ascq == 0x1d)
cmd_result &= ~SAM_STAT_CHECK_CONDITION;
}
@@ -618,8 +618,8 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg)
struct scsi_sense_hdr sshdr;
scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE,
&sshdr);
- if (sshdr.sense_key == 0 &&
- sshdr.asc == 0 && sshdr.ascq == 0)
+ if (sshdr.sense_key == RECOVERED_ERROR &&
+ sshdr.asc == 0 && sshdr.ascq == 0x1d)
cmd_result &= ~SAM_STAT_CHECK_CONDITION;
}
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 2c127f9c3f3b..dfe758382eaf 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1051,29 +1051,12 @@ static int loop_clr_fd(struct loop_device *lo)
lo->lo_state = Lo_unbound;
/* This is safe: open() is still holding a reference. */
module_put(THIS_MODULE);
+ if (lo->lo_flags & LO_FLAGS_PARTSCAN && bdev)
+ ioctl_by_bdev(bdev, BLKRRPART, 0);
lo->lo_flags = 0;
if (!part_shift)
lo->lo_disk->flags |= GENHD_FL_NO_PART_SCAN;
mutex_unlock(&lo->lo_ctl_mutex);
-
- /*
- * Remove all partitions, since BLKRRPART won't remove user
- * added partitions when max_part=0
- */
- if (bdev) {
- struct disk_part_iter piter;
- struct hd_struct *part;
-
- mutex_lock_nested(&bdev->bd_mutex, 1);
- invalidate_partition(bdev->bd_disk, 0);
- disk_part_iter_init(&piter, bdev->bd_disk,
- DISK_PITER_INCL_EMPTY);
- while ((part = disk_part_iter_next(&piter)))
- delete_partition(bdev->bd_disk, part->partno);
- disk_part_iter_exit(&piter);
- mutex_unlock(&bdev->bd_mutex);
- }
-
/*
* Need not hold lo_ctl_mutex to fput backing file.
* Calling fput holding lo_ctl_mutex triggers a circular
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 92250af84e7d..32c678028e53 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -81,12 +81,17 @@
/* Device instance number, incremented each time a device is probed. */
static int instance;
+struct list_head online_list;
+struct list_head removing_list;
+spinlock_t dev_lock;
+
/*
* Global variable used to hold the major block device number
* allocated in mtip_init().
*/
static int mtip_major;
static struct dentry *dfs_parent;
+static struct dentry *dfs_device_status;
static u32 cpu_use[NR_CPUS];
@@ -243,40 +248,31 @@ static inline void release_slot(struct mtip_port *port, int tag)
/*
* Reset the HBA (without sleeping)
*
- * Just like hba_reset, except does not call sleep, so can be
- * run from interrupt/tasklet context.
- *
* @dd Pointer to the driver data structure.
*
* return value
* 0 The reset was successful.
* -1 The HBA Reset bit did not clear.
*/
-static int hba_reset_nosleep(struct driver_data *dd)
+static int mtip_hba_reset(struct driver_data *dd)
{
unsigned long timeout;
- /* Chip quirk: quiesce any chip function */
- mdelay(10);
-
/* Set the reset bit */
writel(HOST_RESET, dd->mmio + HOST_CTL);
/* Flush */
readl(dd->mmio + HOST_CTL);
- /*
- * Wait 10ms then spin for up to 1 second
- * waiting for reset acknowledgement
- */
- timeout = jiffies + msecs_to_jiffies(1000);
- mdelay(10);
- while ((readl(dd->mmio + HOST_CTL) & HOST_RESET)
- && time_before(jiffies, timeout))
- mdelay(1);
+ /* Spin for up to 2 seconds, waiting for reset acknowledgement */
+ timeout = jiffies + msecs_to_jiffies(2000);
+ do {
+ mdelay(10);
+ if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag))
+ return -1;
- if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag))
- return -1;
+ } while ((readl(dd->mmio + HOST_CTL) & HOST_RESET)
+ && time_before(jiffies, timeout));
if (readl(dd->mmio + HOST_CTL) & HOST_RESET)
return -1;
@@ -481,7 +477,7 @@ static void mtip_restart_port(struct mtip_port *port)
dev_warn(&port->dd->pdev->dev,
"PxCMD.CR not clear, escalating reset\n");
- if (hba_reset_nosleep(port->dd))
+ if (mtip_hba_reset(port->dd))
dev_err(&port->dd->pdev->dev,
"HBA reset escalation failed.\n");
@@ -527,6 +523,26 @@ static void mtip_restart_port(struct mtip_port *port)
}
+static int mtip_device_reset(struct driver_data *dd)
+{
+ int rv = 0;
+
+ if (mtip_check_surprise_removal(dd->pdev))
+ return 0;
+
+ if (mtip_hba_reset(dd) < 0)
+ rv = -EFAULT;
+
+ mdelay(1);
+ mtip_init_port(dd->port);
+ mtip_start_port(dd->port);
+
+ /* Enable interrupts on the HBA. */
+ writel(readl(dd->mmio + HOST_CTL) | HOST_IRQ_EN,
+ dd->mmio + HOST_CTL);
+ return rv;
+}
+
/*
* Helper function for tag logging
*/
@@ -632,7 +648,7 @@ static void mtip_timeout_function(unsigned long int data)
if (cmdto_cnt) {
print_tags(port->dd, "timed out", tagaccum, cmdto_cnt);
if (!test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) {
- mtip_restart_port(port);
+ mtip_device_reset(port->dd);
wake_up_interruptible(&port->svc_wait);
}
clear_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags);
@@ -1283,11 +1299,11 @@ static int mtip_exec_internal_command(struct mtip_port *port,
int rv = 0, ready2go = 1;
struct mtip_cmd *int_cmd = &port->commands[MTIP_TAG_INTERNAL];
unsigned long to;
+ struct driver_data *dd = port->dd;
/* Make sure the buffer is 8 byte aligned. This is asic specific. */
if (buffer & 0x00000007) {
- dev_err(&port->dd->pdev->dev,
- "SG buffer is not 8 byte aligned\n");
+ dev_err(&dd->pdev->dev, "SG buffer is not 8 byte aligned\n");
return -EFAULT;
}
@@ -1300,23 +1316,21 @@ static int mtip_exec_internal_command(struct mtip_port *port,
mdelay(100);
} while (time_before(jiffies, to));
if (!ready2go) {
- dev_warn(&port->dd->pdev->dev,
+ dev_warn(&dd->pdev->dev,
"Internal cmd active. new cmd [%02X]\n", fis->command);
return -EBUSY;
}
set_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags);
port->ic_pause_timer = 0;
- if (fis->command == ATA_CMD_SEC_ERASE_UNIT)
- clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
- else if (fis->command == ATA_CMD_DOWNLOAD_MICRO)
- clear_bit(MTIP_PF_DM_ACTIVE_BIT, &port->flags);
+ clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags);
+ clear_bit(MTIP_PF_DM_ACTIVE_BIT, &port->flags);
if (atomic == GFP_KERNEL) {
if (fis->command != ATA_CMD_STANDBYNOW1) {
/* wait for io to complete if non atomic */
if (mtip_quiesce_io(port, 5000) < 0) {
- dev_warn(&port->dd->pdev->dev,
+ dev_warn(&dd->pdev->dev,
"Failed to quiesce IO\n");
release_slot(port, MTIP_TAG_INTERNAL);
clear_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags);
@@ -1361,58 +1375,84 @@ static int mtip_exec_internal_command(struct mtip_port *port,
/* Issue the command to the hardware */
mtip_issue_non_ncq_command(port, MTIP_TAG_INTERNAL);
- /* Poll if atomic, wait_for_completion otherwise */
if (atomic == GFP_KERNEL) {
/* Wait for the command to complete or timeout. */
- if (wait_for_completion_timeout(
+ if (wait_for_completion_interruptible_timeout(
&wait,
- msecs_to_jiffies(timeout)) == 0) {
- dev_err(&port->dd->pdev->dev,
- "Internal command did not complete [%d] "
- "within timeout of %lu ms\n",
- atomic, timeout);
- if (mtip_check_surprise_removal(port->dd->pdev) ||
+ msecs_to_jiffies(timeout)) <= 0) {
+ if (rv == -ERESTARTSYS) { /* interrupted */
+ dev_err(&dd->pdev->dev,
+ "Internal command [%02X] was interrupted after %lu ms\n",
+ fis->command, timeout);
+ rv = -EINTR;
+ goto exec_ic_exit;
+ } else if (rv == 0) /* timeout */
+ dev_err(&dd->pdev->dev,
+ "Internal command did not complete [%02X] within timeout of %lu ms\n",
+ fis->command, timeout);
+ else
+ dev_err(&dd->pdev->dev,
+ "Internal command [%02X] wait returned code [%d] after %lu ms - unhandled\n",
+ fis->command, rv, timeout);
+
+ if (mtip_check_surprise_removal(dd->pdev) ||
test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
- &port->dd->dd_flag)) {
+ &dd->dd_flag)) {
+ dev_err(&dd->pdev->dev,
+ "Internal command [%02X] wait returned due to SR\n",
+ fis->command);
rv = -ENXIO;
goto exec_ic_exit;
}
+ mtip_device_reset(dd); /* recover from timeout issue */
rv = -EAGAIN;
+ goto exec_ic_exit;
}
} else {
+ u32 hba_stat, port_stat;
+
/* Spin for <timeout> checking if command still outstanding */
timeout = jiffies + msecs_to_jiffies(timeout);
while ((readl(port->cmd_issue[MTIP_TAG_INTERNAL])
& (1 << MTIP_TAG_INTERNAL))
&& time_before(jiffies, timeout)) {
- if (mtip_check_surprise_removal(port->dd->pdev)) {
+ if (mtip_check_surprise_removal(dd->pdev)) {
rv = -ENXIO;
goto exec_ic_exit;
}
if ((fis->command != ATA_CMD_STANDBYNOW1) &&
test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
- &port->dd->dd_flag)) {
+ &dd->dd_flag)) {
rv = -ENXIO;
goto exec_ic_exit;
}
- if (readl(port->mmio + PORT_IRQ_STAT) & PORT_IRQ_ERR) {
- atomic_inc(&int_cmd->active); /* error */
- break;
+ port_stat = readl(port->mmio + PORT_IRQ_STAT);
+ if (!port_stat)
+ continue;
+
+ if (port_stat & PORT_IRQ_ERR) {
+ dev_err(&dd->pdev->dev,
+ "Internal command [%02X] failed\n",
+ fis->command);
+ mtip_device_reset(dd);
+ rv = -EIO;
+ goto exec_ic_exit;
+ } else {
+ writel(port_stat, port->mmio + PORT_IRQ_STAT);
+ hba_stat = readl(dd->mmio + HOST_IRQ_STAT);
+ if (hba_stat)
+ writel(hba_stat,
+ dd->mmio + HOST_IRQ_STAT);
}
+ break;
}
}
- if (atomic_read(&int_cmd->active) > 1) {
- dev_err(&port->dd->pdev->dev,
- "Internal command [%02X] failed\n", fis->command);
- rv = -EIO;
- }
if (readl(port->cmd_issue[MTIP_TAG_INTERNAL])
& (1 << MTIP_TAG_INTERNAL)) {
rv = -ENXIO;
- if (!test_bit(MTIP_DDF_REMOVE_PENDING_BIT,
- &port->dd->dd_flag)) {
- mtip_restart_port(port);
+ if (!test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag)) {
+ mtip_device_reset(dd);
rv = -EAGAIN;
}
}
@@ -1724,7 +1764,8 @@ static int mtip_get_smart_attr(struct mtip_port *port, unsigned int id,
* -EINVAL Invalid parameters passed in, trim not supported
* -EIO Error submitting trim request to hw
*/
-static int mtip_send_trim(struct driver_data *dd, unsigned int lba, unsigned int len)
+static int mtip_send_trim(struct driver_data *dd, unsigned int lba,
+ unsigned int len)
{
int i, rv = 0;
u64 tlba, tlen, sect_left;
@@ -1811,45 +1852,6 @@ static bool mtip_hw_get_capacity(struct driver_data *dd, sector_t *sectors)
}
/*
- * Reset the HBA.
- *
- * Resets the HBA by setting the HBA Reset bit in the Global
- * HBA Control register. After setting the HBA Reset bit the
- * function waits for 1 second before reading the HBA Reset
- * bit to make sure it has cleared. If HBA Reset is not clear
- * an error is returned. Cannot be used in non-blockable
- * context.
- *
- * @dd Pointer to the driver data structure.
- *
- * return value
- * 0 The reset was successful.
- * -1 The HBA Reset bit did not clear.
- */
-static int mtip_hba_reset(struct driver_data *dd)
-{
- mtip_deinit_port(dd->port);
-
- /* Set the reset bit */
- writel(HOST_RESET, dd->mmio + HOST_CTL);
-
- /* Flush */
- readl(dd->mmio + HOST_CTL);
-
- /* Wait for reset to clear */
- ssleep(1);
-
- /* Check the bit has cleared */
- if (readl(dd->mmio + HOST_CTL) & HOST_RESET) {
- dev_err(&dd->pdev->dev,
- "Reset bit did not clear.\n");
- return -1;
- }
-
- return 0;
-}
-
-/*
* Display the identify command data.
*
* @port Pointer to the port data structure.
@@ -2710,6 +2712,100 @@ static ssize_t mtip_hw_show_status(struct device *dev,
static DEVICE_ATTR(status, S_IRUGO, mtip_hw_show_status, NULL);
+/* debugsfs entries */
+
+static ssize_t show_device_status(struct device_driver *drv, char *buf)
+{
+ int size = 0;
+ struct driver_data *dd, *tmp;
+ unsigned long flags;
+ char id_buf[42];
+ u16 status = 0;
+
+ spin_lock_irqsave(&dev_lock, flags);
+ size += sprintf(&buf[size], "Devices Present:\n");
+ list_for_each_entry_safe(dd, tmp, &online_list, online_list) {
+ if (dd->pdev) {
+ if (dd->port &&
+ dd->port->identify &&
+ dd->port->identify_valid) {
+ strlcpy(id_buf,
+ (char *) (dd->port->identify + 10), 21);
+ status = *(dd->port->identify + 141);
+ } else {
+ memset(id_buf, 0, 42);
+ status = 0;
+ }
+
+ if (dd->port &&
+ test_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags)) {
+ size += sprintf(&buf[size],
+ " device %s %s (ftl rebuild %d %%)\n",
+ dev_name(&dd->pdev->dev),
+ id_buf,
+ status);
+ } else {
+ size += sprintf(&buf[size],
+ " device %s %s\n",
+ dev_name(&dd->pdev->dev),
+ id_buf);
+ }
+ }
+ }
+
+ size += sprintf(&buf[size], "Devices Being Removed:\n");
+ list_for_each_entry_safe(dd, tmp, &removing_list, remove_list) {
+ if (dd->pdev) {
+ if (dd->port &&
+ dd->port->identify &&
+ dd->port->identify_valid) {
+ strlcpy(id_buf,
+ (char *) (dd->port->identify+10), 21);
+ status = *(dd->port->identify + 141);
+ } else {
+ memset(id_buf, 0, 42);
+ status = 0;
+ }
+
+ if (dd->port &&
+ test_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags)) {
+ size += sprintf(&buf[size],
+ " device %s %s (ftl rebuild %d %%)\n",
+ dev_name(&dd->pdev->dev),
+ id_buf,
+ status);
+ } else {
+ size += sprintf(&buf[size],
+ " device %s %s\n",
+ dev_name(&dd->pdev->dev),
+ id_buf);
+ }
+ }
+ }
+ spin_unlock_irqrestore(&dev_lock, flags);
+
+ return size;
+}
+
+static ssize_t mtip_hw_read_device_status(struct file *f, char __user *ubuf,
+ size_t len, loff_t *offset)
+{
+ int size = *offset;
+ char buf[MTIP_DFS_MAX_BUF_SIZE];
+
+ if (!len || *offset)
+ return 0;
+
+ size += show_device_status(NULL, buf);
+
+ *offset = size <= len ? size : len;
+ size = copy_to_user(ubuf, buf, *offset);
+ if (size)
+ return -EFAULT;
+
+ return *offset;
+}
+
static ssize_t mtip_hw_read_registers(struct file *f, char __user *ubuf,
size_t len, loff_t *offset)
{
@@ -2804,6 +2900,13 @@ static ssize_t mtip_hw_read_flags(struct file *f, char __user *ubuf,
return *offset;
}
+static const struct file_operations mtip_device_status_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = mtip_hw_read_device_status,
+ .llseek = no_llseek,
+};
+
static const struct file_operations mtip_regs_fops = {
.owner = THIS_MODULE,
.open = simple_open,
@@ -4161,6 +4264,7 @@ static int mtip_pci_probe(struct pci_dev *pdev,
const struct cpumask *node_mask;
int cpu, i = 0, j = 0;
int my_node = NUMA_NO_NODE;
+ unsigned long flags;
/* Allocate memory for this devices private data. */
my_node = pcibus_to_node(pdev->bus);
@@ -4218,6 +4322,9 @@ static int mtip_pci_probe(struct pci_dev *pdev,
dd->pdev = pdev;
dd->numa_node = my_node;
+ INIT_LIST_HEAD(&dd->online_list);
+ INIT_LIST_HEAD(&dd->remove_list);
+
memset(dd->workq_name, 0, 32);
snprintf(dd->workq_name, 31, "mtipq%d", dd->instance);
@@ -4305,6 +4412,14 @@ static int mtip_pci_probe(struct pci_dev *pdev,
instance++;
if (rv != MTIP_FTL_REBUILD_MAGIC)
set_bit(MTIP_DDF_INIT_DONE_BIT, &dd->dd_flag);
+ else
+ rv = 0; /* device in rebuild state, return 0 from probe */
+
+ /* Add to online list even if in ftl rebuild */
+ spin_lock_irqsave(&dev_lock, flags);
+ list_add(&dd->online_list, &online_list);
+ spin_unlock_irqrestore(&dev_lock, flags);
+
goto done;
block_initialize_err:
@@ -4338,9 +4453,15 @@ static void mtip_pci_remove(struct pci_dev *pdev)
{
struct driver_data *dd = pci_get_drvdata(pdev);
int counter = 0;
+ unsigned long flags;
set_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag);
+ spin_lock_irqsave(&dev_lock, flags);
+ list_del_init(&dd->online_list);
+ list_add(&dd->remove_list, &removing_list);
+ spin_unlock_irqrestore(&dev_lock, flags);
+
if (mtip_check_surprise_removal(pdev)) {
while (!test_bit(MTIP_DDF_CLEANUP_BIT, &dd->dd_flag)) {
counter++;
@@ -4366,6 +4487,10 @@ static void mtip_pci_remove(struct pci_dev *pdev)
pci_disable_msi(pdev);
+ spin_lock_irqsave(&dev_lock, flags);
+ list_del_init(&dd->remove_list);
+ spin_unlock_irqrestore(&dev_lock, flags);
+
kfree(dd);
pcim_iounmap_regions(pdev, 1 << MTIP_ABAR);
}
@@ -4513,6 +4638,11 @@ static int __init mtip_init(void)
pr_info(MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n");
+ spin_lock_init(&dev_lock);
+
+ INIT_LIST_HEAD(&online_list);
+ INIT_LIST_HEAD(&removing_list);
+
/* Allocate a major block device number to use with this driver. */
error = register_blkdev(0, MTIP_DRV_NAME);
if (error <= 0) {
@@ -4522,11 +4652,18 @@ static int __init mtip_init(void)
}
mtip_major = error;
- if (!dfs_parent) {
- dfs_parent = debugfs_create_dir("rssd", NULL);
- if (IS_ERR_OR_NULL(dfs_parent)) {
- pr_warn("Error creating debugfs parent\n");
- dfs_parent = NULL;
+ dfs_parent = debugfs_create_dir("rssd", NULL);
+ if (IS_ERR_OR_NULL(dfs_parent)) {
+ pr_warn("Error creating debugfs parent\n");
+ dfs_parent = NULL;
+ }
+ if (dfs_parent) {
+ dfs_device_status = debugfs_create_file("device_status",
+ S_IRUGO, dfs_parent, NULL,
+ &mtip_device_status_fops);
+ if (IS_ERR_OR_NULL(dfs_device_status)) {
+ pr_err("Error creating device_status node\n");
+ dfs_device_status = NULL;
}
}
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index 3bffff5f670c..8e8334c9dd0f 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -129,9 +129,9 @@ enum {
MTIP_PF_EH_ACTIVE_BIT = 1, /* error handling */
MTIP_PF_SE_ACTIVE_BIT = 2, /* secure erase */
MTIP_PF_DM_ACTIVE_BIT = 3, /* download microcde */
- MTIP_PF_PAUSE_IO = ((1 << MTIP_PF_IC_ACTIVE_BIT) | \
- (1 << MTIP_PF_EH_ACTIVE_BIT) | \
- (1 << MTIP_PF_SE_ACTIVE_BIT) | \
+ MTIP_PF_PAUSE_IO = ((1 << MTIP_PF_IC_ACTIVE_BIT) |
+ (1 << MTIP_PF_EH_ACTIVE_BIT) |
+ (1 << MTIP_PF_SE_ACTIVE_BIT) |
(1 << MTIP_PF_DM_ACTIVE_BIT)),
MTIP_PF_SVC_THD_ACTIVE_BIT = 4,
@@ -144,9 +144,9 @@ enum {
MTIP_DDF_REMOVE_PENDING_BIT = 1,
MTIP_DDF_OVER_TEMP_BIT = 2,
MTIP_DDF_WRITE_PROTECT_BIT = 3,
- MTIP_DDF_STOP_IO = ((1 << MTIP_DDF_REMOVE_PENDING_BIT) | \
- (1 << MTIP_DDF_SEC_LOCK_BIT) | \
- (1 << MTIP_DDF_OVER_TEMP_BIT) | \
+ MTIP_DDF_STOP_IO = ((1 << MTIP_DDF_REMOVE_PENDING_BIT) |
+ (1 << MTIP_DDF_SEC_LOCK_BIT) |
+ (1 << MTIP_DDF_OVER_TEMP_BIT) |
(1 << MTIP_DDF_WRITE_PROTECT_BIT)),
MTIP_DDF_CLEANUP_BIT = 5,
@@ -180,7 +180,7 @@ struct mtip_work {
#define MTIP_TRIM_TIMEOUT_MS 240000
#define MTIP_MAX_TRIM_ENTRIES 8
-#define MTIP_MAX_TRIM_ENTRY_LEN 0xfff8
+#define MTIP_MAX_TRIM_ENTRY_LEN 0xfff8
struct mtip_trim_entry {
u32 lba; /* starting lba of region */
@@ -501,6 +501,10 @@ struct driver_data {
atomic_t irq_workers_active;
int isr_binding;
+
+ struct list_head online_list; /* linkage for online list */
+
+ struct list_head remove_list; /* linkage for removing list */
};
#endif
diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c
index 8bc5fef07e7a..22c9063e0120 100644
--- a/drivers/crypto/ux500/cryp/cryp_core.c
+++ b/drivers/crypto/ux500/cryp/cryp_core.c
@@ -1750,7 +1750,7 @@ static struct platform_driver cryp_driver = {
.shutdown = ux500_cryp_shutdown,
.driver = {
.owner = THIS_MODULE,
- .name = "cryp1"
+ .name = "cryp1",
.pm = &ux500_cryp_pm,
}
};
diff --git a/drivers/eisa/pci_eisa.c b/drivers/eisa/pci_eisa.c
index cdae207028a7..6c3fca97d346 100644
--- a/drivers/eisa/pci_eisa.c
+++ b/drivers/eisa/pci_eisa.c
@@ -19,10 +19,10 @@
/* There is only *one* pci_eisa device per machine, right ? */
static struct eisa_root_device pci_eisa_root;
-static int __init pci_eisa_init(struct pci_dev *pdev,
- const struct pci_device_id *ent)
+static int __init pci_eisa_init(struct pci_dev *pdev)
{
- int rc;
+ int rc, i;
+ struct resource *res, *bus_res = NULL;
if ((rc = pci_enable_device (pdev))) {
printk (KERN_ERR "pci_eisa : Could not enable device %s\n",
@@ -30,9 +30,30 @@ static int __init pci_eisa_init(struct pci_dev *pdev,
return rc;
}
+ /*
+ * The Intel 82375 PCI-EISA bridge is a subtractive-decode PCI
+ * device, so the resources available on EISA are the same as those
+ * available on the 82375 bus. This works the same as a PCI-PCI
+ * bridge in subtractive-decode mode (see pci_read_bridge_bases()).
+ * We assume other PCI-EISA bridges are similar.
+ *
+ * eisa_root_register() can only deal with a single io port resource,
+ * so we use the first valid io port resource.
+ */
+ pci_bus_for_each_resource(pdev->bus, res, i)
+ if (res && (res->flags & IORESOURCE_IO)) {
+ bus_res = res;
+ break;
+ }
+
+ if (!bus_res) {
+ dev_err(&pdev->dev, "No resources available\n");
+ return -1;
+ }
+
pci_eisa_root.dev = &pdev->dev;
- pci_eisa_root.res = pdev->bus->resource[0];
- pci_eisa_root.bus_base_addr = pdev->bus->resource[0]->start;
+ pci_eisa_root.res = bus_res;
+ pci_eisa_root.bus_base_addr = bus_res->start;
pci_eisa_root.slots = EISA_MAX_SLOTS;
pci_eisa_root.dma_mask = pdev->dma_mask;
dev_set_drvdata(pci_eisa_root.dev, &pci_eisa_root);
@@ -45,22 +66,26 @@ static int __init pci_eisa_init(struct pci_dev *pdev,
return 0;
}
-static struct pci_device_id pci_eisa_pci_tbl[] = {
- { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
- PCI_CLASS_BRIDGE_EISA << 8, 0xffff00, 0 },
- { 0, }
-};
+/*
+ * We have to call pci_eisa_init_early() before pnpacpi_init()/isapnp_init().
+ * Otherwise pnp resource will get enabled early and could prevent eisa
+ * to be initialized.
+ * Also need to make sure pci_eisa_init_early() is called after
+ * x86/pci_subsys_init().
+ * So need to use subsys_initcall_sync with it.
+ */
+static int __init pci_eisa_init_early(void)
+{
+ struct pci_dev *dev = NULL;
+ int ret;
-static struct pci_driver __refdata pci_eisa_driver = {
- .name = "pci_eisa",
- .id_table = pci_eisa_pci_tbl,
- .probe = pci_eisa_init,
-};
+ for_each_pci_dev(dev)
+ if ((dev->class >> 8) == PCI_CLASS_BRIDGE_EISA) {
+ ret = pci_eisa_init(dev);
+ if (ret)
+ return ret;
+ }
-static int __init pci_eisa_init_module (void)
-{
- return pci_register_driver (&pci_eisa_driver);
+ return 0;
}
-
-device_initcall(pci_eisa_init_module);
-MODULE_DEVICE_TABLE(pci, pci_eisa_pci_tbl);
+subsys_initcall_sync(pci_eisa_init_early);
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index fe22bb780e1d..78d8e919509f 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -751,8 +751,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
int i;
unsigned char misc = 0;
unsigned char ext_vga[6];
- unsigned char ext_vga_index24;
- unsigned char dac_index90 = 0;
u8 bppshift;
static unsigned char dacvalue[] = {
@@ -803,7 +801,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
option2 = 0x0000b000;
break;
case G200_ER:
- dac_index90 = 0;
break;
}
@@ -852,10 +849,8 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
WREG_DAC(i, dacvalue[i]);
}
- if (mdev->type == G200_ER) {
- WREG_DAC(0x90, dac_index90);
- }
-
+ if (mdev->type == G200_ER)
+ WREG_DAC(0x90, 0);
if (option)
pci_write_config_dword(dev->pdev, PCI_MGA_OPTION, option);
@@ -952,8 +947,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
if (mdev->type == G200_WB)
ext_vga[1] |= 0x88;
- ext_vga_index24 = 0x05;
-
/* Set pixel clocks */
misc = 0x2d;
WREG8(MGA_MISC_OUT, misc);
@@ -965,7 +958,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
}
if (mdev->type == G200_ER)
- WREG_ECRT(24, ext_vga_index24);
+ WREG_ECRT(0x24, 0x5);
if (mdev->type == G200_EV) {
WREG_ECRT(6, 0);
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c
index e816f06637a7..0e2c1a4f1659 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/base.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/base.c
@@ -248,6 +248,22 @@ nouveau_bios_shadow_pci(struct nouveau_bios *bios)
}
}
+static void
+nouveau_bios_shadow_platform(struct nouveau_bios *bios)
+{
+ struct pci_dev *pdev = nv_device(bios)->pdev;
+ size_t size;
+
+ void __iomem *rom = pci_platform_rom(pdev, &size);
+ if (rom && size) {
+ bios->data = kmalloc(size, GFP_KERNEL);
+ if (bios->data) {
+ memcpy_fromio(bios->data, rom, size);
+ bios->size = size;
+ }
+ }
+}
+
static int
nouveau_bios_score(struct nouveau_bios *bios, const bool writeable)
{
@@ -288,6 +304,7 @@ nouveau_bios_shadow(struct nouveau_bios *bios)
{ "PROM", nouveau_bios_shadow_prom, false, 0, 0, NULL },
{ "ACPI", nouveau_bios_shadow_acpi, true, 0, 0, NULL },
{ "PCIROM", nouveau_bios_shadow_pci, true, 0, 0, NULL },
+ { "PLATFORM", nouveau_bios_shadow_platform, true, 0, 0, NULL },
{}
};
struct methods *mthd, *best;
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 7f0e6c3f37d1..1ddc03e51bf4 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -479,7 +479,7 @@ nv50_display_flip_wait(void *data)
{
struct nv50_display_flip *flip = data;
if (nouveau_bo_rd32(flip->disp->sync, flip->chan->addr / 4) ==
- flip->chan->data);
+ flip->chan->data)
return true;
usleep_range(1, 2);
return false;
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index b8015913d382..fa3c56fba294 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -99,6 +99,29 @@ static bool radeon_read_bios(struct radeon_device *rdev)
return true;
}
+static bool radeon_read_platform_bios(struct radeon_device *rdev)
+{
+ uint8_t __iomem *bios;
+ size_t size;
+
+ rdev->bios = NULL;
+
+ bios = pci_platform_rom(rdev->pdev, &size);
+ if (!bios) {
+ return false;
+ }
+
+ if (size == 0 || bios[0] != 0x55 || bios[1] != 0xaa) {
+ return false;
+ }
+ rdev->bios = kmemdup(bios, size, GFP_KERNEL);
+ if (rdev->bios == NULL) {
+ return false;
+ }
+
+ return true;
+}
+
#ifdef CONFIG_ACPI
/* ATRM is used to get the BIOS on the discrete cards in
* dual-gpu systems.
@@ -620,6 +643,9 @@ bool radeon_get_bios(struct radeon_device *rdev)
if (r == false) {
r = radeon_read_disabled_bios(rdev);
}
+ if (r == false) {
+ r = radeon_read_platform_bios(rdev);
+ }
if (r == false || rdev->bios == NULL) {
DRM_ERROR("Unable to locate a BIOS ROM\n");
rdev->bios = NULL;
diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c
index db713c0dfba4..461a0d739d75 100644
--- a/drivers/hwspinlock/hwspinlock_core.c
+++ b/drivers/hwspinlock/hwspinlock_core.c
@@ -416,6 +416,8 @@ static int __hwspin_lock_request(struct hwspinlock *hwlock)
ret = pm_runtime_get_sync(dev);
if (ret < 0) {
dev_err(dev, "%s: can't power on device\n", __func__);
+ pm_runtime_put_noidle(dev);
+ module_put(dev->driver->owner);
return ret;
}
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 66120bd46d15..10744091e6ca 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -6,6 +6,7 @@
#include "dm.h"
#include "dm-bio-prison.h"
+#include "dm-bio-record.h"
#include "dm-cache-metadata.h"
#include <linux/dm-io.h>
@@ -201,10 +202,15 @@ struct per_bio_data {
unsigned req_nr:2;
struct dm_deferred_entry *all_io_entry;
- /* writethrough fields */
+ /*
+ * writethrough fields. These MUST remain at the end of this
+ * structure and the 'cache' member must be the first as it
+ * is used to determine the offsetof the writethrough fields.
+ */
struct cache *cache;
dm_cblock_t cblock;
bio_end_io_t *saved_bi_end_io;
+ struct dm_bio_details bio_details;
};
struct dm_cache_migration {
@@ -513,16 +519,28 @@ static void save_stats(struct cache *cache)
/*----------------------------------------------------------------
* Per bio data
*--------------------------------------------------------------*/
-static struct per_bio_data *get_per_bio_data(struct bio *bio)
+
+/*
+ * If using writeback, leave out struct per_bio_data's writethrough fields.
+ */
+#define PB_DATA_SIZE_WB (offsetof(struct per_bio_data, cache))
+#define PB_DATA_SIZE_WT (sizeof(struct per_bio_data))
+
+static size_t get_per_bio_data_size(struct cache *cache)
+{
+ return cache->features.write_through ? PB_DATA_SIZE_WT : PB_DATA_SIZE_WB;
+}
+
+static struct per_bio_data *get_per_bio_data(struct bio *bio, size_t data_size)
{
- struct per_bio_data *pb = dm_per_bio_data(bio, sizeof(struct per_bio_data));
+ struct per_bio_data *pb = dm_per_bio_data(bio, data_size);
BUG_ON(!pb);
return pb;
}
-static struct per_bio_data *init_per_bio_data(struct bio *bio)
+static struct per_bio_data *init_per_bio_data(struct bio *bio, size_t data_size)
{
- struct per_bio_data *pb = get_per_bio_data(bio);
+ struct per_bio_data *pb = get_per_bio_data(bio, data_size);
pb->tick = false;
pb->req_nr = dm_bio_get_target_bio_nr(bio);
@@ -556,7 +574,8 @@ static void remap_to_cache(struct cache *cache, struct bio *bio,
static void check_if_tick_bio_needed(struct cache *cache, struct bio *bio)
{
unsigned long flags;
- struct per_bio_data *pb = get_per_bio_data(bio);
+ size_t pb_data_size = get_per_bio_data_size(cache);
+ struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size);
spin_lock_irqsave(&cache->lock, flags);
if (cache->need_tick_bio &&
@@ -635,7 +654,7 @@ static void defer_writethrough_bio(struct cache *cache, struct bio *bio)
static void writethrough_endio(struct bio *bio, int err)
{
- struct per_bio_data *pb = get_per_bio_data(bio);
+ struct per_bio_data *pb = get_per_bio_data(bio, PB_DATA_SIZE_WT);
bio->bi_end_io = pb->saved_bi_end_io;
if (err) {
@@ -643,6 +662,7 @@ static void writethrough_endio(struct bio *bio, int err)
return;
}
+ dm_bio_restore(&pb->bio_details, bio);
remap_to_cache(pb->cache, bio, pb->cblock);
/*
@@ -662,11 +682,12 @@ static void writethrough_endio(struct bio *bio, int err)
static void remap_to_origin_then_cache(struct cache *cache, struct bio *bio,
dm_oblock_t oblock, dm_cblock_t cblock)
{
- struct per_bio_data *pb = get_per_bio_data(bio);
+ struct per_bio_data *pb = get_per_bio_data(bio, PB_DATA_SIZE_WT);
pb->cache = cache;
pb->cblock = cblock;
pb->saved_bi_end_io = bio->bi_end_io;
+ dm_bio_record(&pb->bio_details, bio);
bio->bi_end_io = writethrough_endio;
remap_to_origin_clear_discard(pb->cache, bio, oblock);
@@ -1035,7 +1056,8 @@ static void defer_bio(struct cache *cache, struct bio *bio)
static void process_flush_bio(struct cache *cache, struct bio *bio)
{
- struct per_bio_data *pb = get_per_bio_data(bio);
+ size_t pb_data_size = get_per_bio_data_size(cache);
+ struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size);
BUG_ON(bio->bi_size);
if (!pb->req_nr)
@@ -1107,7 +1129,8 @@ static void process_bio(struct cache *cache, struct prealloc *structs,
dm_oblock_t block = get_bio_block(cache, bio);
struct dm_bio_prison_cell *cell_prealloc, *old_ocell, *new_ocell;
struct policy_result lookup_result;
- struct per_bio_data *pb = get_per_bio_data(bio);
+ size_t pb_data_size = get_per_bio_data_size(cache);
+ struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size);
bool discarded_block = is_discarded_oblock(cache, block);
bool can_migrate = discarded_block || spare_migration_bandwidth(cache);
@@ -1881,7 +1904,6 @@ static int cache_create(struct cache_args *ca, struct cache **result)
cache->ti = ca->ti;
ti->private = cache;
- ti->per_bio_data_size = sizeof(struct per_bio_data);
ti->num_flush_bios = 2;
ti->flush_supported = true;
@@ -1890,6 +1912,7 @@ static int cache_create(struct cache_args *ca, struct cache **result)
ti->discard_zeroes_data_unsupported = true;
memcpy(&cache->features, &ca->features, sizeof(cache->features));
+ ti->per_bio_data_size = get_per_bio_data_size(cache);
cache->callbacks.congested_fn = cache_is_congested;
dm_table_add_target_callbacks(ti->table, &cache->callbacks);
@@ -2092,6 +2115,7 @@ static int cache_map(struct dm_target *ti, struct bio *bio)
int r;
dm_oblock_t block = get_bio_block(cache, bio);
+ size_t pb_data_size = get_per_bio_data_size(cache);
bool can_migrate = false;
bool discarded_block;
struct dm_bio_prison_cell *cell;
@@ -2108,7 +2132,7 @@ static int cache_map(struct dm_target *ti, struct bio *bio)
return DM_MAPIO_REMAPPED;
}
- pb = init_per_bio_data(bio);
+ pb = init_per_bio_data(bio, pb_data_size);
if (bio->bi_rw & (REQ_FLUSH | REQ_FUA | REQ_DISCARD)) {
defer_bio(cache, bio);
@@ -2193,7 +2217,8 @@ static int cache_end_io(struct dm_target *ti, struct bio *bio, int error)
{
struct cache *cache = ti->private;
unsigned long flags;
- struct per_bio_data *pb = get_per_bio_data(bio);
+ size_t pb_data_size = get_per_bio_data_size(cache);
+ struct per_bio_data *pb = get_per_bio_data(bio, pb_data_size);
if (pb->tick) {
policy_tick(cache->policy);
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index dee5dddaa292..5147c210df52 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -53,14 +53,15 @@ static void pci_acpi_wake_dev(acpi_handle handle, u32 event, void *context)
return;
}
- if (!pci_dev->pm_cap || !pci_dev->pme_support
- || pci_check_pme_status(pci_dev)) {
- if (pci_dev->pme_poll)
- pci_dev->pme_poll = false;
+ /* Clear PME Status if set. */
+ if (pci_dev->pme_support)
+ pci_check_pme_status(pci_dev);
- pci_wakeup_event(pci_dev);
- pm_runtime_resume(&pci_dev->dev);
- }
+ if (pci_dev->pme_poll)
+ pci_dev->pme_poll = false;
+
+ pci_wakeup_event(pci_dev);
+ pm_runtime_resume(&pci_dev->dev);
if (pci_dev->subordinate)
pci_pme_wakeup_bus(pci_dev->subordinate);
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 1fa1e482a999..79277fb36c6b 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -390,9 +390,10 @@ static void pci_device_shutdown(struct device *dev)
/*
* Turn off Bus Master bit on the device to tell it to not
- * continue to do DMA
+ * continue to do DMA. Don't touch devices in D3cold or unknown states.
*/
- pci_clear_master(pci_dev);
+ if (pci_dev->current_state <= PCI_D3hot)
+ pci_clear_master(pci_dev);
}
#ifdef CONFIG_PM
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 08c243ab034e..ed4d09498337 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -185,14 +185,6 @@ static const struct dev_pm_ops pcie_portdrv_pm_ops = {
#endif /* !PM */
/*
- * PCIe port runtime suspend is broken for some chipsets, so use a
- * black list to disable runtime PM for these chipsets.
- */
-static const struct pci_device_id port_runtime_pm_black_list[] = {
- { /* end: all zeroes */ }
-};
-
-/*
* pcie_portdrv_probe - Probe PCI-Express port devices
* @dev: PCI-Express port device being probed
*
@@ -225,16 +217,11 @@ static int pcie_portdrv_probe(struct pci_dev *dev,
* it by default.
*/
dev->d3cold_allowed = false;
- if (!pci_match_id(port_runtime_pm_black_list, dev))
- pm_runtime_put_noidle(&dev->dev);
-
return 0;
}
static void pcie_portdrv_remove(struct pci_dev *dev)
{
- if (!pci_match_id(port_runtime_pm_black_list, dev))
- pm_runtime_get_noresume(&dev->dev);
pcie_port_device_remove(dev);
pci_disable_device(dev);
}
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index b41ac7756a4b..c5d0a08a8747 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -100,27 +100,6 @@ size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size)
return min((size_t)(image - rom), size);
}
-static loff_t pci_find_rom(struct pci_dev *pdev, size_t *size)
-{
- struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
- loff_t start;
-
- /* assign the ROM an address if it doesn't have one */
- if (res->parent == NULL && pci_assign_resource(pdev, PCI_ROM_RESOURCE))
- return 0;
- start = pci_resource_start(pdev, PCI_ROM_RESOURCE);
- *size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
-
- if (*size == 0)
- return 0;
-
- /* Enable ROM space decodes */
- if (pci_enable_rom(pdev))
- return 0;
-
- return start;
-}
-
/**
* pci_map_rom - map a PCI ROM to kernel space
* @pdev: pointer to pci device struct
@@ -135,7 +114,7 @@ static loff_t pci_find_rom(struct pci_dev *pdev, size_t *size)
void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size)
{
struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
- loff_t start = 0;
+ loff_t start;
void __iomem *rom;
/*
@@ -154,21 +133,21 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size)
return (void __iomem *)(unsigned long)
pci_resource_start(pdev, PCI_ROM_RESOURCE);
} else {
- start = pci_find_rom(pdev, size);
- }
- }
+ /* assign the ROM an address if it doesn't have one */
+ if (res->parent == NULL &&
+ pci_assign_resource(pdev,PCI_ROM_RESOURCE))
+ return NULL;
+ start = pci_resource_start(pdev, PCI_ROM_RESOURCE);
+ *size = pci_resource_len(pdev, PCI_ROM_RESOURCE);
+ if (*size == 0)
+ return NULL;
- /*
- * Some devices may provide ROMs via a source other than the BAR
- */
- if (!start && pdev->rom && pdev->romlen) {
- *size = pdev->romlen;
- return phys_to_virt(pdev->rom);
+ /* Enable ROM space decodes */
+ if (pci_enable_rom(pdev))
+ return NULL;
+ }
}
- if (!start)
- return NULL;
-
rom = ioremap(start, *size);
if (!rom) {
/* restore enable if ioremap fails */
@@ -202,8 +181,7 @@ void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom)
if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY))
return;
- if (!pdev->rom || !pdev->romlen)
- iounmap(rom);
+ iounmap(rom);
/* Disable again before continuing, leave enabled if pci=rom */
if (!(res->flags & (IORESOURCE_ROM_ENABLE | IORESOURCE_ROM_SHADOW)))
@@ -227,7 +205,24 @@ void pci_cleanup_rom(struct pci_dev *pdev)
}
}
+/**
+ * pci_platform_rom - provides a pointer to any ROM image provided by the
+ * platform
+ * @pdev: pointer to pci device struct
+ * @size: pointer to receive size of pci window over ROM
+ */
+void __iomem *pci_platform_rom(struct pci_dev *pdev, size_t *size)
+{
+ if (pdev->rom && pdev->romlen) {
+ *size = pdev->romlen;
+ return phys_to_virt((phys_addr_t)pdev->rom);
+ }
+
+ return NULL;
+}
+
EXPORT_SYMBOL(pci_map_rom);
EXPORT_SYMBOL(pci_unmap_rom);
EXPORT_SYMBOL_GPL(pci_enable_rom);
EXPORT_SYMBOL_GPL(pci_disable_rom);
+EXPORT_SYMBOL(pci_platform_rom);
diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index cc1f7bf53fd0..c6d77e20622c 100644
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -4,7 +4,7 @@ menu "Remoteproc drivers"
config REMOTEPROC
tristate
depends on HAS_DMA
- select FW_CONFIG
+ select FW_LOADER
select VIRTIO
config OMAP_REMOTEPROC
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 29387df4bfc9..8edb4aed5d36 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -217,7 +217,7 @@ int rproc_alloc_vring(struct rproc_vdev *rvdev, int i)
* TODO: support predefined notifyids (via resource table)
*/
ret = idr_alloc(&rproc->notifyids, rvring, 0, 0, GFP_KERNEL);
- if (ret) {
+ if (ret < 0) {
dev_err(dev, "idr_alloc failed: %d\n", ret);
dma_free_coherent(dev->parent, size, va, dma);
return ret;
@@ -366,10 +366,12 @@ static int rproc_handle_vdev(struct rproc *rproc, struct fw_rsc_vdev *rsc,
/* it is now safe to add the virtio device */
ret = rproc_add_virtio_dev(rvdev, rsc->id);
if (ret)
- goto free_rvdev;
+ goto remove_rvdev;
return 0;
+remove_rvdev:
+ list_del(&rvdev->node);
free_rvdev:
kfree(rvdev);
return ret;
diff --git a/drivers/remoteproc/ste_modem_rproc.c b/drivers/remoteproc/ste_modem_rproc.c
index a7743c069339..fb95c4220052 100644
--- a/drivers/remoteproc/ste_modem_rproc.c
+++ b/drivers/remoteproc/ste_modem_rproc.c
@@ -240,6 +240,8 @@ static int sproc_drv_remove(struct platform_device *pdev)
/* Unregister as remoteproc device */
rproc_del(sproc->rproc);
+ dma_free_coherent(sproc->rproc->dev.parent, SPROC_FW_SIZE,
+ sproc->fw_addr, sproc->fw_dma_addr);
rproc_put(sproc->rproc);
mdev->drv_data = NULL;
@@ -297,10 +299,13 @@ static int sproc_probe(struct platform_device *pdev)
/* Register as a remoteproc device */
err = rproc_add(rproc);
if (err)
- goto free_rproc;
+ goto free_mem;
return 0;
+free_mem:
+ dma_free_coherent(rproc->dev.parent, SPROC_FW_SIZE,
+ sproc->fw_addr, sproc->fw_dma_addr);
free_rproc:
/* Reset device data upon error */
mdev->drv_data = NULL;
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 8189cb6a86af..7abc5c81af2c 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -346,6 +346,7 @@ static long vfio_pci_ioctl(void *device_data,
if (!(hdr.flags & VFIO_IRQ_SET_DATA_NONE)) {
size_t size;
+ int max = vfio_pci_get_irq_count(vdev, hdr.index);
if (hdr.flags & VFIO_IRQ_SET_DATA_BOOL)
size = sizeof(uint8_t);
@@ -355,7 +356,7 @@ static long vfio_pci_ioctl(void *device_data,
return -EINVAL;
if (hdr.argsz - minsz < hdr.count * size ||
- hdr.count > vfio_pci_get_irq_count(vdev, hdr.index))
+ hdr.start >= max || hdr.start + hdr.count > max)
return -EINVAL;
data = memdup_user((void __user *)(arg + minsz),
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-06 19:39:46 +0300