If user does not want the device being powered off when runtime
suspended by setting may_power_off flag to 0, we will not choose D3 cold
ACPI D-State for it in sata_acpi_set_state.
Signed-off-by: Aaron Lu <aaron.lu@xxxxxxxxx>
---
drivers/ata/libata-acpi.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 67a696f..90c42a0 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -848,7 +848,9 @@ static void sata_acpi_set_state(struct ata_port *ap, pm_message_t state)
if (state.event == PM_EVENT_AUTO_SUSPEND) {
acpi_state = acpi_pm_device_sleep_state(
- &dev->sdev->sdev_gendev, NULL, ACPI_STATE_D3);
+ &dev->sdev->sdev_gendev, NULL,
+ dev->sdev->may_power_off ?
+ ACPI_STATE_D3_COLD : ACPI_STATE_D3_HOT);
if (acpi_state > 0)
acpi_bus_set_power(handle, acpi_state);
acpi_pm_device_run_wake(&dev->sdev->sdev_gendev, true);
--
1.7.11.5
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