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Suspend: Add config option to disable the freezer if architecture wants that

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This patch makes the freezer optional for suspend to allow the
system to work (or not work) like the original PMU suspend.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Johannes Berg
2008-01-15 23:17:00 -05:00
committed by Len Brown
parent c9b6c8f68e
commit b28f508112
4 changed files with 40 additions and 3 deletions
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kernel/power/power.h
+22
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@@ -1,6 +1,7 @@
#include <linux/suspend.h>
#include <linux/suspend_ioctls.h>
#include <linux/utsname.h>
#include <linux/freezer.h>
struct swsusp_info {
struct new_utsname uts;
@@ -203,3 +204,24 @@ enum {
#define TEST_MAX (__TEST_AFTER_LAST - 1)
extern int pm_test_level;
#ifdef CONFIG_SUSPEND_FREEZER
static inline int suspend_freeze_processes(void)
{
return freeze_processes();
}
static inline void suspend_thaw_processes(void)
{
thaw_processes();
}
#else
static inline int suspend_freeze_processes(void)
{
return 0;
}
static inline void suspend_thaw_processes(void)
{
}
#endif