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path: root/drivers/acpi/device_pm.c
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Diffstat (limited to 'drivers/acpi/device_pm.c')
-rw-r--r--drivers/acpi/device_pm.c37
1 files changed, 16 insertions, 21 deletions
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index b2263ec67b43..94d91c67aeae 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -186,7 +186,7 @@ int acpi_device_set_power(struct acpi_device *device, int state)
* possibly drop references to the power resources in use.
*/
state = ACPI_STATE_D3_HOT;
- /* If _PR3 is not available, use D3hot as the target state. */
+ /* If D3cold is not supported, use D3hot as the target state. */
if (!device->power.states[ACPI_STATE_D3_COLD].flags.valid)
target_state = state;
} else if (!device->power.states[state].flags.valid) {
@@ -273,13 +273,13 @@ int acpi_device_set_power(struct acpi_device *device, int state)
end:
if (result) {
dev_warn(&device->dev, "Failed to change power state to %s\n",
- acpi_power_state_string(state));
+ acpi_power_state_string(target_state));
} else {
device->power.state = target_state;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Device [%s] transitioned to %s\n",
device->pnp.bus_id,
- acpi_power_state_string(state)));
+ acpi_power_state_string(target_state)));
}
return result;
@@ -1084,7 +1084,7 @@ int acpi_subsys_suspend_late(struct device *dev)
{
int ret;
- if (dev_pm_smart_suspend_and_suspended(dev))
+ if (dev_pm_skip_suspend(dev))
return 0;
ret = pm_generic_suspend_late(dev);
@@ -1100,10 +1100,8 @@ int acpi_subsys_suspend_noirq(struct device *dev)
{
int ret;
- if (dev_pm_smart_suspend_and_suspended(dev)) {
- dev->power.may_skip_resume = true;
+ if (dev_pm_skip_suspend(dev))
return 0;
- }
ret = pm_generic_suspend_noirq(dev);
if (ret)
@@ -1116,8 +1114,8 @@ int acpi_subsys_suspend_noirq(struct device *dev)
* acpi_subsys_complete() to take care of fixing up the device's state
* anyway, if need be.
*/
- dev->power.may_skip_resume = device_may_wakeup(dev) ||
- !device_can_wakeup(dev);
+ if (device_can_wakeup(dev) && !device_may_wakeup(dev))
+ dev->power.may_skip_resume = false;
return 0;
}
@@ -1129,17 +1127,9 @@ EXPORT_SYMBOL_GPL(acpi_subsys_suspend_noirq);
*/
static int acpi_subsys_resume_noirq(struct device *dev)
{
- if (dev_pm_may_skip_resume(dev))
+ if (dev_pm_skip_resume(dev))
return 0;
- /*
- * Devices with DPM_FLAG_SMART_SUSPEND may be left in runtime suspend
- * during system suspend, so update their runtime PM status to "active"
- * as they will be put into D0 going forward.
- */
- if (dev_pm_smart_suspend_and_suspended(dev))
- pm_runtime_set_active(dev);
-
return pm_generic_resume_noirq(dev);
}
@@ -1153,7 +1143,12 @@ static int acpi_subsys_resume_noirq(struct device *dev)
*/
static int acpi_subsys_resume_early(struct device *dev)
{
- int ret = acpi_dev_resume(dev);
+ int ret;
+
+ if (dev_pm_skip_resume(dev))
+ return 0;
+
+ ret = acpi_dev_resume(dev);
return ret ? ret : pm_generic_resume_early(dev);
}
@@ -1218,7 +1213,7 @@ static int acpi_subsys_poweroff_late(struct device *dev)
{
int ret;
- if (dev_pm_smart_suspend_and_suspended(dev))
+ if (dev_pm_skip_suspend(dev))
return 0;
ret = pm_generic_poweroff_late(dev);
@@ -1234,7 +1229,7 @@ static int acpi_subsys_poweroff_late(struct device *dev)
*/
static int acpi_subsys_poweroff_noirq(struct device *dev)
{
- if (dev_pm_smart_suspend_and_suspended(dev))
+ if (dev_pm_skip_suspend(dev))
return 0;
return pm_generic_poweroff_noirq(dev);