diff options
Diffstat (limited to 'drivers')
| -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 fd66f56fd61..cb535fa185b 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) if (ap->flags & ATA_FLAG_SATA_RESET) { /* issue phy wake/reset */ scr_write_flush(ap, SCR_CONTROL, 0x301); - udelay(400); /* FIXME: a guess */ + /* Couldn't find anything in SATA I/II specs, but + * AHCI-1.1 10.4.2 says at least 1 ms. */ + mdelay(1); } scr_write_flush(ap, SCR_CONTROL, 0x300); /* phy wake/clear reset */ |