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-rw-r--r--drivers/acpi/sleep.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 42159a28f433..feece693d773 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -689,19 +689,25 @@ int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
{
acpi_handle handle;
struct acpi_device *adev;
+ int error;
- if (!device_may_wakeup(dev))
+ if (!device_can_wakeup(dev))
return -EINVAL;
handle = DEVICE_ACPI_HANDLE(dev);
if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
- printk(KERN_DEBUG "ACPI handle has no context!\n");
+ dev_dbg(dev, "ACPI handle has no context in %s!\n", __func__);
return -ENODEV;
}
- return enable ?
+ error = enable ?
acpi_enable_wakeup_device_power(adev, acpi_target_sleep_state) :
acpi_disable_wakeup_device_power(adev);
+ if (!error)
+ dev_info(dev, "wake-up capability %s by ACPI\n",
+ enable ? "enabled" : "disabled");
+
+ return error;
}
#endif