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Commit 1cca0ebb authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Improve SATA core suspend/resume 



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

Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 427abfa2

drivers/scsi/libata-core.c

+1 −0
Original line number Diff line number Diff line
@@ -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);