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| author |   Jeff Garzik <jeff@garzik.org> | 2007-11-05 09:16:38 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-11-05 09:16:38 -0500 |
| commit | 152af05cc85119d294b977ab4de07a781795c298 (patch) | |
| tree | cfbe22a936095883b71d313dbaee26db5a0f5b71 /drivers | |
| parent | libata and bogus LBA48 drives (diff) | |
| parent | libata: Don't disable dipm with SET FEATURES (diff) | |
| download | linux-dev-152af05cc85119d294b977ab4de07a781795c298.tar.xz linux-dev-152af05cc85119d294b977ab4de07a781795c298.zip | |
Merge branch 'dipm-fix' into upstream-fixes
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/libata-core.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 164c7d9514f9..3ed3cf2f5568 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -676,10 +676,11 @@ static int ata_dev_set_dipm(struct ata_device *dev, enum link_pm policy) if (rc) return rc; - /* disable DIPM */ - if (ata_dev_enabled(dev) && (dev->flags & ATA_DFLAG_DIPM)) - err_mask = ata_dev_set_feature(dev, - SETFEATURES_SATA_DISABLE, SATA_DIPM); + /* + * we don't have to disable DIPM since IPM flags + * disallow transitions to SLUMBER, which effectively + * disable DIPM if it does not support PARTIAL + */ break; case NOT_AVAILABLE: case MAX_PERFORMANCE: @@ -689,10 +690,11 @@ static int ata_dev_set_dipm(struct ata_device *dev, enum link_pm policy) if (rc) return rc; - /* disable DIPM */ - if (ata_dev_enabled(dev) && (dev->flags & ATA_DFLAG_DIPM)) - err_mask = ata_dev_set_feature(dev, - SETFEATURES_SATA_DISABLE, SATA_DIPM); + /* + * we don't have to disable DIPM since IPM flags + * disallow all transitions which effectively + * disable DIPM anyway. + */ break; } |