linux/kernel/power
Tejun Heo c86d06ba28 PM / QoS: avoid calling cancel_delayed_work_sync() during early boot
of_clk_init() ends up calling into pm_qos_update_request() very early
during boot where irq is expected to stay disabled.
pm_qos_update_request() uses cancel_delayed_work_sync() which
correctly assumes that irq is enabled on invocation and
unconditionally disables and re-enables it.

Gate cancel_delayed_work_sync() invocation with kevented_up() to avoid
enabling irq unexpectedly during early boot.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-and-tested-by: Qiao Zhou <qiaozhou@asrmicro.com>
Link: http://lkml.kernel.org/r/d2501c4c-8e7b-bea3-1b01-000b36b5dfe9@asrmicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-09-05 15:07:53 +02:00
..
Kconfig PM: APM_EMULATION does not depend on PM 2016-01-27 23:20:14 +01:00
Makefile PM / Hibernate: Don't let kasan instrument snapshot.c 2016-06-14 00:38:56 +02:00
autosleep.c PM / Sleep: avoid 'autosleep' in shutdown progress 2013-07-15 01:31:37 +02:00
console.c PM / sleep: Make pm_prepare_console() return void 2016-06-15 01:26:04 +02:00
hibernate.c Merge branches 'pm-sleep' and 'pm-cpufreq' 2016-08-12 22:53:58 +02:00
main.c PM / sleep: make PM notifiers called symmetrically 2016-06-28 00:38:55 +02:00
power.h x86 / hibernate: Use hlt_play_dead() when resuming from hibernation 2016-07-15 22:42:48 +02:00
poweroff.c power/sysrq: fix inconstistent help message of sysrq key 2013-04-30 17:04:10 -07:00
process.c Merge back earlier suspend/hibernation changes for v4.8. 2016-07-08 23:14:17 +02:00
qos.c PM / QoS: avoid calling cancel_delayed_work_sync() during early boot 2016-09-05 15:07:53 +02:00
snapshot.c Merge branch 'pm-sleep' 2016-08-18 03:27:08 +02:00
suspend.c PM / sleep: make PM notifiers called symmetrically 2016-06-28 00:38:55 +02:00
suspend_test.c PM / sleep: Enhance test_suspend option with repeat capability 2014-09-09 01:48:02 +02:00
swap.c Power management material for v4.8-rc1 2016-07-26 17:29:07 -07:00
user.c PM / sleep: make PM notifiers called symmetrically 2016-06-28 00:38:55 +02:00
wakelock.c PM / autosleep: Use workqueue for user space wakeup sources garbage collector 2015-07-14 21:04:48 +02:00