diff options
author | Lin Ming <ming.m.lin@intel.com> | 2012-06-25 04:13:05 -0400 |
---|---|---|
committer | Jeff Garzik <jgarzik@redhat.com> | 2012-06-29 11:38:12 -0400 |
commit | febe53ba6b781862c12686c7ea1972bdedee457a (patch) | |
tree | be8477a4f681204ecb088d240612d2ee07b3a032 /drivers/ata/libata-acpi.c | |
parent | 30dcf76acc695cbd2fa919e294670fe9552e16e7 (diff) |
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>
Diffstat (limited to 'drivers/ata/libata-acpi.c')
-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 c6f0101fd253..bb20fd597eb1 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) | |||
852 | void ata_acpi_set_state(struct ata_port *ap, pm_message_t state) | 852 | void ata_acpi_set_state(struct ata_port *ap, pm_message_t state) |
853 | { | 853 | { |
854 | struct ata_device *dev; | 854 | struct ata_device *dev; |
855 | 855 | acpi_handle handle; | |
856 | if (!ata_ap_acpi_handle(ap) || (ap->flags & ATA_FLAG_ACPI_SATA)) | ||
857 | return; | ||
858 | 856 | ||
859 | /* channel first and then drives for power on and vica versa | 857 | /* channel first and then drives for power on and vica versa |
860 | for power off */ | 858 | for power off */ |
861 | if (state.event == PM_EVENT_ON) | 859 | handle = ata_ap_acpi_handle(ap); |
862 | acpi_bus_set_power(ata_ap_acpi_handle(ap), ACPI_STATE_D0); | 860 | if (handle && state.event == PM_EVENT_ON) |
861 | acpi_bus_set_power(handle, ACPI_STATE_D0); | ||
863 | 862 | ||
864 | ata_for_each_dev(dev, &ap->link, ENABLED) { | 863 | ata_for_each_dev(dev, &ap->link, ENABLED) { |
865 | if (ata_dev_acpi_handle(dev)) | 864 | handle = ata_dev_acpi_handle(dev); |
866 | acpi_bus_set_power(ata_dev_acpi_handle(dev), | 865 | if (handle) |
866 | acpi_bus_set_power(handle, | ||
867 | state.event == PM_EVENT_ON ? | 867 | state.event == PM_EVENT_ON ? |
868 | ACPI_STATE_D0 : ACPI_STATE_D3); | 868 | ACPI_STATE_D0 : ACPI_STATE_D3); |
869 | } | 869 | } |
870 | if (state.event != PM_EVENT_ON) | 870 | |
871 | acpi_bus_set_power(ata_ap_acpi_handle(ap), ACPI_STATE_D3); | 871 | handle = ata_ap_acpi_handle(ap); |
872 | if (handle && state.event != PM_EVENT_ON) | ||
873 | acpi_bus_set_power(handle, ACPI_STATE_D3); | ||
872 | } | 874 | } |
873 | 875 | ||
874 | /** | 876 | /** |