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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-04-18 15:52:50 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-04-18 15:52:50 -0400
commit681e4a5e13c1c8315694eb4f44e0cdd84c9082d2 (patch)
tree699f14527c118859026e8ce0214e689d0b9c88cb /drivers/scsi/aic94xx/aic94xx_dev.c
parentb960d6c43a63ebd2d8518b328da3816b833ee8cc (diff)
parentc104f1fa1ecf4ee0fc06e31b1f77630b2551be81 (diff)
Merge commit 'c104f1fa1ecf4ee0fc06e31b1f77630b2551be81' into stable/for-linus-3.4
* commit 'c104f1fa1ecf4ee0fc06e31b1f77630b2551be81': (14566 commits) cpufreq: OMAP: fix build errors: depends on ARCH_OMAP2PLUS sparc64: Eliminate obsolete __handle_softirq() function sparc64: Fix bootup crash on sun4v. kconfig: delete last traces of __enabled_ from autoconf.h Revert "kconfig: fix __enabled_ macros definition for invisible and un-selected symbols" kconfig: fix IS_ENABLED to not require all options to be defined irq_domain: fix type mismatch in debugfs output format staging: android: fix mem leaks in __persistent_ram_init() staging: vt6656: Don't leak memory in drivers/staging/vt6656/ioctl.c::private_ioctl() staging: iio: hmc5843: Fix crash in probe function. panic: fix stack dump print on direct call to panic() drivers/rtc/rtc-pl031.c: enable clock on all ST variants Revert "mm: vmscan: fix misused nr_reclaimed in shrink_mem_cgroup_zone()" hugetlb: fix race condition in hugetlb_fault() drivers/rtc/rtc-twl.c: use static register while reading time drivers/rtc/rtc-s3c.c: add placeholder for driver private data drivers/rtc/rtc-s3c.c: fix compilation error MAINTAINERS: add PCDP console maintainer memcg: do not open code accesses to res_counter members drivers/rtc/rtc-efi.c: fix section mismatch warning ...
Diffstat (limited to 'drivers/scsi/aic94xx/aic94xx_dev.c')
-rw-r--r--drivers/scsi/aic94xx/aic94xx_dev.c38
1 files changed, 24 insertions, 14 deletions
diff --git a/drivers/scsi/aic94xx/aic94xx_dev.c b/drivers/scsi/aic94xx/aic94xx_dev.c
index 2e2ddec9c0b..64136c56e70 100644
--- a/drivers/scsi/aic94xx/aic94xx_dev.c
+++ b/drivers/scsi/aic94xx/aic94xx_dev.c
@@ -109,26 +109,37 @@ static int asd_init_sata_tag_ddb(struct domain_device *dev)
return 0;
}
-static int asd_init_sata(struct domain_device *dev)
+void asd_set_dmamode(struct domain_device *dev)
{
struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha;
+ struct ata_device *ata_dev = sas_to_ata_dev(dev);
int ddb = (int) (unsigned long) dev->lldd_dev;
u32 qdepth = 0;
- int res = 0;
- asd_ddbsite_write_word(asd_ha, ddb, ATA_CMD_SCBPTR, 0xFFFF);
- if ((dev->dev_type == SATA_DEV || dev->dev_type == SATA_PM_PORT) &&
- dev->sata_dev.identify_device &&
- dev->sata_dev.identify_device[10] != 0) {
- u16 w75 = le16_to_cpu(dev->sata_dev.identify_device[75]);
- u16 w76 = le16_to_cpu(dev->sata_dev.identify_device[76]);
-
- if (w76 & 0x100) /* NCQ? */
- qdepth = (w75 & 0x1F) + 1;
+ if (dev->dev_type == SATA_DEV || dev->dev_type == SATA_PM_PORT) {
+ if (ata_id_has_ncq(ata_dev->id))
+ qdepth = ata_id_queue_depth(ata_dev->id);
asd_ddbsite_write_dword(asd_ha, ddb, SATA_TAG_ALLOC_MASK,
(1ULL<<qdepth)-1);
asd_ddbsite_write_byte(asd_ha, ddb, NUM_SATA_TAGS, qdepth);
}
+
+ if (qdepth > 0)
+ if (asd_init_sata_tag_ddb(dev) != 0) {
+ unsigned long flags;
+
+ spin_lock_irqsave(dev->sata_dev.ap->lock, flags);
+ ata_dev->flags |= ATA_DFLAG_NCQ_OFF;
+ spin_unlock_irqrestore(dev->sata_dev.ap->lock, flags);
+ }
+}
+
+static int asd_init_sata(struct domain_device *dev)
+{
+ struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha;
+ int ddb = (int) (unsigned long) dev->lldd_dev;
+
+ asd_ddbsite_write_word(asd_ha, ddb, ATA_CMD_SCBPTR, 0xFFFF);
if (dev->dev_type == SATA_DEV || dev->dev_type == SATA_PM ||
dev->dev_type == SATA_PM_PORT) {
struct dev_to_host_fis *fis = (struct dev_to_host_fis *)
@@ -136,9 +147,8 @@ static int asd_init_sata(struct domain_device *dev)
asd_ddbsite_write_byte(asd_ha, ddb, SATA_STATUS, fis->status);
}
asd_ddbsite_write_word(asd_ha, ddb, NCQ_DATA_SCB_PTR, 0xFFFF);
- if (qdepth > 0)
- res = asd_init_sata_tag_ddb(dev);
- return res;
+
+ return 0;
}
static int asd_init_target_ddb(struct domain_device *dev)