libata-acpi: set acpi state for SATA port

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>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/ata/libata-acpi.c

@@ -852,23 +852,25 @@ 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;
-
+	acpi_handle handle;
-	if (!ata_ap_acpi_handle(ap) || (ap->flags & ATA_FLAG_ACPI_SATA))
-		return;
 
 	/* channel first and then drives for power on and vica versa
 	   for power off */
-	if (state.event == PM_EVENT_ON)
+	handle = ata_ap_acpi_handle(ap);
-		acpi_bus_set_power(ata_ap_acpi_handle(ap), ACPI_STATE_D0);
+	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))
+		handle = ata_dev_acpi_handle(dev);
-			acpi_bus_set_power(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);
 }
 
 /**