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Improve SATA core suspend/resume

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Doing a full ata_busy_sleep() seems to get suspend and resume working
fine on the Apple Mac Mini, at least.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Linus Torvalds 2006-06-19 18:01:27 -07:00
parent 427abfa28a
commit 1cca0ebbb7
1 changed files with 1 additions and 0 deletions
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drivers/scsi/libata-core.c
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@ -4297,6 +4297,7 @@ static int ata_start_drive(struct ata_port *ap, struct ata_device *dev)
int ata_device_resume(struct ata_port *ap, struct ata_device *dev)
{
if (ap->flags & ATA_FLAG_SUSPENDED) {
ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT);
ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 200000);
ap->flags &= ~ATA_FLAG_SUSPENDED;
ata_set_mode(ap);