diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/scsi/aic94xx/aic94xx_dev.c | |
| parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 2e2ddec9c0b6..64136c56e706 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) |