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PM / sleep: add TEST_PLATFORM support for freeze state 

Invoke freeze_enter() after suspend_test(TEST_PLATFORM) being invoked.

So when setting /sys/power/pm_test to "platform", it can be used to
check if freeze state is working well after all devices are suspended
and before processors are blocked,

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Zhang Rui 2013-03-27 03:36:10 +00:00 committed by Rafael J. Wysocki
parent d08d528dc1
commit 08605acc7e
1 changed files with 3 additions and 3 deletions
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6
kernel/power/suspend.c
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@ -184,6 +184,9 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
goto Platform_wake;
}
if (suspend_test(TEST_PLATFORM))
goto Platform_wake;
/*
* PM_SUSPEND_FREEZE equals
* frozen processes + suspended devices + idle processors.
@ -195,9 +198,6 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
goto Platform_wake;
}
if (suspend_test(TEST_PLATFORM))
goto Platform_wake;
error = disable_nonboot_cpus();
if (error || suspend_test(TEST_CPUS))
goto Enable_cpus;