diff options
| -rw-r--r-- | drivers/ata/libata-acpi.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index c6f0101fd25..bb20fd597eb 100644 --- a/drivers/ata/libata-acpi.c +++ b/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; - - if (!ata_ap_acpi_handle(ap) || (ap->flags & ATA_FLAG_ACPI_SATA)) - return; + acpi_handle handle; /* 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); } /** |