diff options
author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-04-18 15:52:50 -0400 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-04-18 15:52:50 -0400 |
commit | 681e4a5e13c1c8315694eb4f44e0cdd84c9082d2 (patch) | |
tree | 699f14527c118859026e8ce0214e689d0b9c88cb /drivers/scsi/aic94xx/aic94xx_dev.c | |
parent | b960d6c43a63ebd2d8518b328da3816b833ee8cc (diff) | |
parent | c104f1fa1ecf4ee0fc06e31b1f77630b2551be81 (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.c | 38 |
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) |