diff mbox

[v5,05/12] libata-acpi: set acpi state for SATA port

Message ID 1340000766-129148-6-git-send-email-ming.m.lin@intel.com
State Not Applicable
Delegated to: David Miller
Headers show

Commit Message

Lin Ming June 18, 2012, 6:25 a.m. UTC 
Currently, ata_acpi_set_state() only sets acpi sate for IDE port.
Remove this limitation.

Acked-by: Aaron Lu <aaron.lu@amd.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
---
 drivers/ata/libata-acpi.c |   21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)
diff mbox

Patch

diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 98826e96..2887eb0 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -852,23 +852,26 @@  void ata_acpi_on_resume(struct ata_port *ap)
 void ata_acpi_set_state(struct ata_port *ap, pm_message_t state)
 {
 	struct ata_device *dev;
-
-	if (!ata_ap_acpi_handle(ap) || (ap->flags & ATA_FLAG_ACPI_SATA))
-		return;
+	acpi_handle handle;
+	int acpi_state;
 
 	/* channel first and then drives for power on and vica versa
 	   for power off */
-	if (state.event == PM_EVENT_ON)
-		acpi_bus_set_power(ata_ap_acpi_handle(ap), ACPI_STATE_D0);
+	handle = ata_ap_acpi_handle(ap);
+	if (handle && state.event == PM_EVENT_ON)
+		acpi_bus_set_power(handle, ACPI_STATE_D0);
 
 	ata_for_each_dev(dev, &ap->link, ENABLED) {
-		if (ata_dev_acpi_handle(dev))
-			acpi_bus_set_power(ata_dev_acpi_handle(dev),
+		handle = ata_dev_acpi_handle(dev);
+		if (handle)
+			acpi_bus_set_power(handle,
 				state.event == PM_EVENT_ON ?
 					ACPI_STATE_D0 : ACPI_STATE_D3);
 	}
-	if (state.event != PM_EVENT_ON)
-		acpi_bus_set_power(ata_ap_acpi_handle(ap), ACPI_STATE_D3);
+
+	handle = ata_ap_acpi_handle(ap);
+	if (handle && state.event != PM_EVENT_ON)
+		acpi_bus_set_power(handle, ACPI_STATE_D3);
 }
 
 /**