diff options
| author | Lin Ming <ming.m.lin@intel.com> | 2012-06-25 16:13:05 +0800 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2012-06-29 11:38:12 -0400 |
| commit | febe53ba6b781862c12686c7ea1972bdedee457a (patch) | |
| tree | be8477a4f681204ecb088d240612d2ee07b3a032 /drivers/ata | |
| parent | 30dcf76acc695cbd2fa919e294670fe9552e16e7 (diff) | |
| download | linux-febe53ba6b781862c12686c7ea1972bdedee457a.tar.bz2 | |
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')
| -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) 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); } /** |