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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-25 17:18:39 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-25 17:18:39 +0400 |
| commit | 7e0bb71e75020348bee523720a0c2f04cc72f540 (patch) | |
| tree | 1a22d65bbce34e8cc0f82c543c9486ffb58332f7 /kernel/power/suspend.c | |
| parent | b9e2780d576a010d4aba1e69f247170bf3718d6b (diff) | |
| parent | 0ab1e79b825a5cd8aeb3b34d89c9a89dea900056 (diff) | |
| download | linux-7e0bb71e75020348bee523720a0c2f04cc72f540.tar.xz | |
Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (63 commits)
PM / Clocks: Remove redundant NULL checks before kfree()
PM / Documentation: Update docs about suspend and CPU hotplug
ACPI / PM: Add Sony VGN-FW21E to nonvs blacklist.
ARM: mach-shmobile: sh7372 A4R support (v4)
ARM: mach-shmobile: sh7372 A3SP support (v4)
PM / Sleep: Mark devices involved in wakeup signaling during suspend
PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image
PM / Hibernate: Do not initialize static and extern variables to 0
PM / Freezer: Make fake_signal_wake_up() wake TASK_KILLABLE tasks too
PM / Hibernate: Add resumedelay kernel param in addition to resumewait
MAINTAINERS: Update linux-pm list address
PM / ACPI: Blacklist Vaio VGN-FW520F machine known to require acpi_sleep=nonvs
PM / ACPI: Blacklist Sony Vaio known to require acpi_sleep=nonvs
PM / Hibernate: Add resumewait param to support MMC-like devices as resume file
PM / Hibernate: Fix typo in a kerneldoc comment
PM / Hibernate: Freeze kernel threads after preallocating memory
PM: Update the policy on default wakeup settings
PM / VT: Cleanup #if defined uglyness and fix compile error
PM / Suspend: Off by one in pm_suspend()
PM / Hibernate: Include storage keys in hibernation image on s390
...
Diffstat (limited to 'kernel/power/suspend.c')
| -rw-r--r-- | kernel/power/suspend.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index b6b71ad2208f..fdd4263b995d 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -104,7 +104,10 @@ static int suspend_prepare(void) goto Finish; error = suspend_freeze_processes(); - if (!error) + if (error) { + suspend_stats.failed_freeze++; + dpm_save_failed_step(SUSPEND_FREEZE); + } else return 0; suspend_thaw_processes(); @@ -315,8 +318,16 @@ int enter_state(suspend_state_t state) */ int pm_suspend(suspend_state_t state) { - if (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX) - return enter_state(state); + int ret; + if (state > PM_SUSPEND_ON && state < PM_SUSPEND_MAX) { + ret = enter_state(state); + if (ret) { + suspend_stats.fail++; + dpm_save_failed_errno(ret); + } else + suspend_stats.success++; + return ret; + } return -EINVAL; } EXPORT_SYMBOL(pm_suspend); |