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Merge branch 'for-3.13-fixes' into for-3.14

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A scheduled horkage patch will conflict with HORKAGE changes in
for-3.13-fixes.  Pull in to avoid unnecessary merge conflicts.

Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Tejun Heo 2014-01-16 09:44:34 -05:00
commit 6e1af69780
7 changed files with 60 additions and 11 deletions
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2
Documentation/kernel-parameters.txt
View File

@ -1529,6 +1529,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
* atapi_dmadir: Enable ATAPI DMADIR bridge support
* disable: Disable this device.
If there are multiple matching configurations changing
the same attribute, the last one is used.

21
drivers/ata/ahci.c
View File

@ -429,6 +429,9 @@ static const struct pci_device_id ahci_pci_tbl[] = {
.driver_data = board_ahci_yes_fbs }, /* 88se9128 */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9125),
.driver_data = board_ahci_yes_fbs }, /* 88se9125 */
{ PCI_DEVICE_SUB(PCI_VENDOR_ID_MARVELL_EXT, 0x9178,
PCI_VENDOR_ID_MARVELL_EXT, 0x9170),
.driver_data = board_ahci_yes_fbs }, /* 88se9170 */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x917a),
.driver_data = board_ahci_yes_fbs }, /* 88se9172 */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9172),
@ -1280,15 +1283,6 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (rc)
return rc;
/* AHCI controllers often implement SFF compatible interface.
* Grab all PCI BARs just in case.
*/
rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
if (rc == -EBUSY)
pcim_pin_device(pdev);
if (rc)
return rc;
if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
(pdev->device == 0x2652 || pdev->device == 0x2653)) {
u8 map;
@ -1305,6 +1299,15 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
}
}
/* AHCI controllers often implement SFF compatible interface.
* Grab all PCI BARs just in case.
*/
rc = pcim_iomap_regions_request_all(pdev, 1 << ahci_pci_bar, DRV_NAME);
if (rc == -EBUSY)
pcim_pin_device(pdev);
if (rc)
return rc;
hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
if (!hpriv)
return -ENOMEM;

16
drivers/ata/libata-core.c
View File

@ -2149,9 +2149,16 @@ static int ata_dev_config_ncq(struct ata_device *dev,
"failed to get NCQ Send/Recv Log Emask 0x%x\n",
err_mask);
} else {
u8 *cmds = dev->ncq_send_recv_cmds;
dev->flags |= ATA_DFLAG_NCQ_SEND_RECV;
memcpy(dev->ncq_send_recv_cmds, ap->sector_buf,
ATA_LOG_NCQ_SEND_RECV_SIZE);
memcpy(cmds, ap->sector_buf, ATA_LOG_NCQ_SEND_RECV_SIZE);
if (dev->horkage & ATA_HORKAGE_NO_NCQ_TRIM) {
ata_dev_dbg(dev, "disabling queued TRIM support\n");
cmds[ATA_LOG_NCQ_SEND_RECV_DSM_OFFSET] &=
~ATA_LOG_NCQ_SEND_RECV_DSM_TRIM;
}
}
}
@ -4205,6 +4212,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "PIONEER DVD-RW DVR-212D", NULL, ATA_HORKAGE_NOSETXFER },
{ "PIONEER DVD-RW DVR-216D", NULL, ATA_HORKAGE_NOSETXFER },
/* devices that don't properly handle queued TRIM commands */
{ "Micron_M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
{ "Crucial_CT???M500SSD1", NULL, ATA_HORKAGE_NO_NCQ_TRIM, },
/* End Marker */
{ }
};
@ -6522,6 +6533,7 @@ static int __init ata_parse_force_one(char **cur,
{ "norst", .lflags = ATA_LFLAG_NO_HRST | ATA_LFLAG_NO_SRST },
{ "rstonce", .lflags = ATA_LFLAG_RST_ONCE },
{ "atapi_dmadir", .horkage_on = ATA_HORKAGE_ATAPI_DMADIR },
{ "disable", .horkage_on = ATA_HORKAGE_DISABLE },
};
char *start = *cur, *p = *cur;
char *id, *val, *endp;

21
drivers/ata/libata-scsi.c
View File

@ -3871,6 +3871,27 @@ void ata_scsi_hotplug(struct work_struct *work)
return;
}
/*
* XXX - UGLY HACK
*
* The block layer suspend/resume path is fundamentally broken due
* to freezable kthreads and workqueue and may deadlock if a block
* device gets removed while resume is in progress. I don't know
* what the solution is short of removing freezable kthreads and
* workqueues altogether.
*
* The following is an ugly hack to avoid kicking off device
* removal while freezer is active. This is a joke but does avoid
* this particular deadlock scenario.
*
* https://bugzilla.kernel.org/show_bug.cgi?id=62801
* http://marc.info/?l=linux-kernel&m=138695698516487
*/
#ifdef CONFIG_FREEZER
while (pm_freezing)
msleep(10);
#endif
DPRINTK("ENTER\n");
mutex_lock(&ap->scsi_scan_mutex);

4
drivers/ata/sata_sis.c
View File

@ -83,6 +83,10 @@ static struct pci_driver sis_pci_driver = {
.id_table = sis_pci_tbl,
.probe = sis_init_one,
.remove = ata_pci_remove_one,
#ifdef CONFIG_PM
.suspend = ata_pci_device_suspend,
.resume = ata_pci_device_resume,
#endif
};
static struct scsi_host_template sis_sht = {

1
include/linux/libata.h
View File

@ -418,6 +418,7 @@ enum {
ATA_HORKAGE_DUMP_ID = (1 << 16), /* dump IDENTIFY data */
ATA_HORKAGE_MAX_SEC_LBA48 = (1 << 17), /* Set max sects to 65535 */
ATA_HORKAGE_ATAPI_DMADIR = (1 << 18), /* device requires dmadir */
ATA_HORKAGE_NO_NCQ_TRIM = (1 << 19), /* don't use queued TRIM */
/* DMA mask for user DMA control: User visible values; DO NOT
renumber */

6
kernel/freezer.c
View File

@ -19,6 +19,12 @@ EXPORT_SYMBOL(system_freezing_cnt);
bool pm_freezing;
bool pm_nosig_freezing;
/*
* Temporary export for the deadlock workaround in ata_scsi_hotplug().
* Remove once the hack becomes unnecessary.
*/
EXPORT_SYMBOL_GPL(pm_freezing);
/* protects freezing and frozen transitions */
static DEFINE_SPINLOCK(freezer_lock);