Devin Kim 43e28b253f PM / Sleep: Prevent waiting forever on asynchronous suspend after abort ...

commit 1f758b23177d588a71b96ad02990e715949bb82f upstream.

__device_suspend() must always send a completion. Otherwise, parent
devices will wait forever.

Commit 1e2ef05b, "PM: Limit race conditions between runtime PM and
system sleep (v2)", introduced a regression by short-circuiting the
complete_all() for certain error cases.

This patch fixes the bug by always signalling a completion.

Addresses http://crosbug.com/31972

Tested by injecting an abort.

Change-Id: I1402360f8af760cfdf66f8830bd8db4b1b676c47
Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2013-03-04 12:44:13 -08:00

..

clock_ops.c

device.h: cleanup users outside of linux/include (C files)

2012-03-11 14:27:37 -04:00

common.c

device.h: cleanup users outside of linux/include (C files)

2012-03-11 14:27:37 -04:00

domain_governor.c

PM / Domains: Skip governor functions for CONFIG_PM_RUNTIME unset

2012-01-14 00:39:36 +01:00

domain.c

PM / Domains: Check domain status during hibernation restore of devices

2012-03-19 10:38:14 +01:00

generic_ops.c

PM / Sleep: Introduce generic callbacks for new device PM phases

2012-01-29 20:38:41 +01:00

main.c

PM / Sleep: Prevent waiting forever on asynchronous suspend after abort

2013-03-04 12:44:13 -08:00

Makefile

PM / Domains: Add device stop governor function (v4)

2011-12-01 21:47:40 +01:00

opp.c

device.h: cleanup users outside of linux/include (C files)

2012-03-11 14:27:37 -04:00

power.h

PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-13 22:37:14 +01:00

qos.c

PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-13 22:37:14 +01:00

runtime.c

PM / Runtime: don't forget to wake up waitqueue on failure

2012-03-26 22:46:52 +02:00

sysfs.c

PM / QoS: Make it possible to expose PM QoS latency constraints

2012-03-13 22:37:14 +01:00

trace.c

drivers/base: Add export.h for EXPORT_SYMBOL/THIS_MODULE as required.

2011-10-31 19:31:38 -04:00

wakeup.c

PM / Sleep: Add more wakeup source initialization routines

2012-03-04 23:08:46 +01:00