diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/libata-core.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index fd66f56fd612..cb535fa185b9 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c | |||
| @@ -1408,7 +1408,9 @@ void __sata_phy_reset(struct ata_port *ap) | |||
| 1408 | if (ap->flags & ATA_FLAG_SATA_RESET) { | 1408 | if (ap->flags & ATA_FLAG_SATA_RESET) { |
| 1409 | /* issue phy wake/reset */ | 1409 | /* issue phy wake/reset */ |
| 1410 | scr_write_flush(ap, SCR_CONTROL, 0x301); | 1410 | scr_write_flush(ap, SCR_CONTROL, 0x301); |
| 1411 | udelay(400); /* FIXME: a guess */ | 1411 | /* Couldn't find anything in SATA I/II specs, but |
| 1412 | * AHCI-1.1 10.4.2 says at least 1 ms. */ | ||
| 1413 | mdelay(1); | ||
| 1412 | } | 1414 | } |
| 1413 | scr_write_flush(ap, SCR_CONTROL, 0x300); /* phy wake/clear reset */ | 1415 | scr_write_flush(ap, SCR_CONTROL, 0x300); /* phy wake/clear reset */ |
| 1414 | 1416 | ||