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path: root/drivers/acpi/power.c
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-rw-r--r--drivers/acpi/power.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 330bb4d75852..0500f719f63e 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -660,7 +660,7 @@ int acpi_power_on_resources(struct acpi_device *device, int state)
660 660
661int acpi_power_transition(struct acpi_device *device, int state) 661int acpi_power_transition(struct acpi_device *device, int state)
662{ 662{
663 int result; 663 int result = 0;
664 664
665 if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3_COLD)) 665 if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3_COLD))
666 return -EINVAL; 666 return -EINVAL;
@@ -679,8 +679,11 @@ int acpi_power_transition(struct acpi_device *device, int state)
679 * (e.g. so the device doesn't lose power while transitioning). Then, 679 * (e.g. so the device doesn't lose power while transitioning). Then,
680 * we dereference all power resources used in the current list. 680 * we dereference all power resources used in the current list.
681 */ 681 */
682 result = acpi_power_on_list(&device->power.states[state].resources); 682 if (state < ACPI_STATE_D3_COLD)
683 if (!result) 683 result = acpi_power_on_list(
684 &device->power.states[state].resources);
685
686 if (!result && device->power.state < ACPI_STATE_D3_COLD)
684 acpi_power_off_list( 687 acpi_power_off_list(
685 &device->power.states[device->power.state].resources); 688 &device->power.states[device->power.state].resources);
686 689