提交 508817e7 编写于 作者: L Linus Torvalds

Merge branch 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6

* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6:
  PM / Runtime: Fix pm_runtime_suspended()
  PM / Hibernate: Restore old swap signature to avoid user space breakage
  PM / Hibernate: Fix PM_POST_* notification with user-space suspend
......@@ -379,8 +379,8 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
zero)
bool pm_runtime_suspended(struct device *dev);
- return true if the device's runtime PM status is 'suspended', or false
otherwise
- return true if the device's runtime PM status is 'suspended' and its
'power.disable_depth' field is equal to zero, or false otherwise
void pm_runtime_allow(struct device *dev);
- set the power.runtime_auto flag for the device and decrease its usage
......
......@@ -77,7 +77,8 @@ static inline void device_set_run_wake(struct device *dev, bool enable)
static inline bool pm_runtime_suspended(struct device *dev)
{
return dev->power.runtime_status == RPM_SUSPENDED;
return dev->power.runtime_status == RPM_SUSPENDED
&& !dev->power.disable_depth;
}
static inline void pm_runtime_mark_last_busy(struct device *dev)
......
......@@ -30,7 +30,7 @@
#include "power.h"
#define HIBERNATE_SIG "LINHIB0001"
#define HIBERNATE_SIG "S1SUSPEND"
/*
* The swap map is a data structure used for keeping track of each page
......
......@@ -137,7 +137,7 @@ static int snapshot_release(struct inode *inode, struct file *filp)
free_all_swap_pages(data->swap);
if (data->frozen)
thaw_processes();
pm_notifier_call_chain(data->mode == O_WRONLY ?
pm_notifier_call_chain(data->mode == O_RDONLY ?
PM_POST_HIBERNATION : PM_POST_RESTORE);
atomic_inc(&snapshot_device_available);
......
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