[PATCH 8/9] libata-acpi: ignore _GTM failure during suspend

[Tejun Heo <htejun@gmail.com>]

Don't fail suspend because of _GTM failure.  This might eventually
cause _GTF evaluation failure during resume but that's better than
failing suspend.

Signed-off-by: Tejun Heo <htejun@gmail.com>
---
 drivers/ata/libata-acpi.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index e68e918..1981112 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -640,9 +640,12 @@ int ata_acpi_on_suspend(struct ata_port *ap)
 		ap->pflags &= ~ATA_PFLAG_GTM_VALID;
 	spin_unlock_irqrestore(ap->lock, flags);
 
-	if (rc == -ENOENT)
-		rc = 0;
-	return rc;
+	/* Don't fail suspend because of _GTM failure.  This will skip
+	 * _STM during resume and has the possibility of failing _GTF
+	 * but that's better than failing suspend/resume.  After all,
+	 * libata doesn't depend on ACPI to configure devices.
+	 */
+	return 0;
 }
 
 /**
-- 
1.5.2.4