From 1cca0ebbb74298958dae1d1d3e7e9287c98a720c Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@g5.osdl.org>
Date: Mon, 19 Jun 2006 18:01:27 -0700
Subject: [PATCH] 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>
---
drivers/scsi/libata-core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index b046ffa22101..de9ba7890b5a 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -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);
--
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