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PM / Sleep: call early resume handlers when suspend_noirq fails

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Commit cf579dfb82 (PM / Sleep: Introduce
"late suspend" and "early resume" of devices) introduced a bug where
suspend_late handlers would be called, but if dpm_suspend_noirq returned
an error the early_resume handlers would never be called.  All devices
would end up on the dpm_late_early_list, and would never be resumed
again.

Fix it by calling dpm_resume_early when dpm_suspend_noirq returns
an error.

Signed-off-by: Colin Cross <ccross@android.com>
Cc: stable@vger.kernel.org
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Colin Cross 2012-07-19 10:38:06 +02:00 • committed by Rafael J. Wysocki
parent 11388c87d2
commit 064b021fbe
1 changed files with 9 additions and 1 deletions
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10
drivers/base/power/main.c
View file

@ -989,8 +989,16 @@ static int dpm_suspend_late(pm_message_t state)
int dpm_suspend_end(pm_message_t state) int dpm_suspend_end(pm_message_t state)
{ {
int error = dpm_suspend_late(state); int error = dpm_suspend_late(state);
if (error)
return error;
return error ? : dpm_suspend_noirq(state); error = dpm_suspend_noirq(state);
if (error) {
dpm_resume_early(state);
return error;
}
return 0;
} }
EXPORT_SYMBOL_GPL(dpm_suspend_end); EXPORT_SYMBOL_GPL(dpm_suspend_end);