diff options
Diffstat (limited to 'kernel/power')
| -rw-r--r-- | kernel/power/disk.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/kernel/power/disk.c b/kernel/power/disk.c index 64e42ab8b57c..53c22d9cf577 100644 --- a/kernel/power/disk.c +++ b/kernel/power/disk.c @@ -54,8 +54,8 @@ static struct platform_hibernation_ops *hibernation_ops; void hibernation_set_ops(struct platform_hibernation_ops *ops) { - if (ops && !(ops->start && ops->pre_snapshot && ops->finish - && ops->prepare && ops->enter && ops->pre_restore + if (ops && !(ops->begin && ops->end && ops->pre_snapshot + && ops->prepare && ops->finish && ops->enter && ops->pre_restore && ops->restore_cleanup)) { WARN_ON(1); return; @@ -100,14 +100,25 @@ static int hibernation_test(int level) { return 0; } #endif /* !CONFIG_PM_DEBUG */ /** - * platform_start - tell the platform driver that we're starting + * platform_begin - tell the platform driver that we're starting * hibernation */ -static int platform_start(int platform_mode) +static int platform_begin(int platform_mode) { return (platform_mode && hibernation_ops) ? - hibernation_ops->start() : 0; + hibernation_ops->begin() : 0; +} + +/** + * platform_end - tell the platform driver that we've entered the + * working state + */ + +static void platform_end(int platform_mode) +{ + if (platform_mode && hibernation_ops) + hibernation_ops->end(); } /** @@ -237,9 +248,9 @@ int hibernation_snapshot(int platform_mode) if (error) return error; - error = platform_start(platform_mode); + error = platform_begin(platform_mode); if (error) - return error; + goto Close; suspend_console(); error = device_suspend(PMSG_FREEZE); @@ -272,6 +283,8 @@ int hibernation_snapshot(int platform_mode) device_resume(); Resume_console: resume_console(); + Close: + platform_end(platform_mode); return error; } @@ -373,9 +386,9 @@ int hibernation_platform_enter(void) * hibernation_ops->finish() before saving the image, so we should let * the firmware know that we're going to enter the sleep state after all */ - error = hibernation_ops->start(); + error = hibernation_ops->begin(); if (error) - return error; + goto Close; suspend_console(); error = device_suspend(PMSG_SUSPEND); @@ -409,6 +422,8 @@ int hibernation_platform_enter(void) device_resume(); Resume_console: resume_console(); + Close: + hibernation_ops->end(); return error; } |