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This patch (as1535) fixes a bug in the runtime PM core. When a runtime suspend attempt completes, whether successfully or not, the device's power.wait_queue is supposed to be signalled. But this doesn't happen in the failure pathway of rpm_suspend() when another autosuspend attempt is rescheduled. As a result, a task can get stuck indefinitely on the wait queue (I have seen this happen in testing). The patch fixes the problem by moving the wake_up_all() call up near the start of the failure code. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> CC: <stable@vger.kernel.org> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> |
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| .. | ||
| clock_ops.c | ||
| common.c | ||
| domain_governor.c | ||
| domain.c | ||
| generic_ops.c | ||
| main.c | ||
| Makefile | ||
| opp.c | ||
| power.h | ||
| qos.c | ||
| runtime.c | ||
| sysfs.c | ||
| trace.c | ||
| wakeup.c | ||