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: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index b046ffa..de9ba78 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -4297,6 +4297,7 @@
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);