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PM / wakeup: Adjust messaging for wake events during suspend

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This adds in a new message to the wakeup code which adds an
indication to the log that suspend was cancelled due to a wake event
occouring during the suspend sequence. It also adjusts the message
printed in suspend.c to reflect the potential that a suspend was
aborted, as opposed to a device failing to suspend.

Without these message adjustments one can end up with a kernel log
that says that a device failed to suspend with no actual device
suspend failures, which can be confusing to the log examiner.

Signed-off-by: Bernie Thompson <bhthompson@chromium.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bernie Thompson 2013-06-01 00:47:43 +00:00 committed by Rafael J. Wysocki
parent 43d51af489
commit 9350de06be
2 changed files with 4 additions and 2 deletions
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4
drivers/base/power/wakeup.c
View File

@ -707,8 +707,10 @@ bool pm_wakeup_pending(void)
}
spin_unlock_irqrestore(&events_lock, flags);
if (ret)
if (ret) {
pr_info("PM: Wakeup pending, aborting suspend\n");
print_active_wakeup_sources();
}
return ret;
}

2
kernel/power/suspend.c
View File

@ -269,7 +269,7 @@ int suspend_devices_and_enter(suspend_state_t state)
suspend_test_start();
error = dpm_suspend_start(PMSG_SUSPEND);
if (error) {
printk(KERN_ERR "PM: Some devices failed to suspend\n");
pr_err("PM: Some devices failed to suspend, or early wake event detected\n");
goto Recover_platform;
}
suspend_test_finish("suspend devices");