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PM: Use pm_wakeup_pending() in __device_suspend()

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Before starting to suspend a device in __device_suspend() check if
there's a request to abort the power transition and return -EBUSY
in that case.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Rafael J. Wysocki 2010-12-03 23:14:26 +01:00
parent a2867e08c8
commit d83f905e12
1 changed files with 5 additions and 0 deletions
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5
drivers/base/power/main.c
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@ -877,6 +877,11 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
if (async_error)
goto End;
if (pm_wakeup_pending()) {
async_error = -EBUSY;
goto End;
}
if (dev->class) {
if (dev->class->pm) {
pm_dev_dbg(dev, state, "class ");