*
*/
+#include <linux/module.h>
#include <linux/suspend.h>
#include <linux/kobject.h>
#include <linux/string.h>
#include <linux/console.h>
#include <linux/cpu.h>
#include <linux/resume-trace.h>
+#include <linux/freezer.h>
#include "power.h"
/*This is just an arbitrary number */
#define FREE_PAGE_NUMBER (100)
-DECLARE_MUTEX(pm_sem);
+DEFINE_MUTEX(pm_mutex);
struct pm_ops *pm_ops;
suspend_disk_method_t pm_disk_mode = PM_DISK_PLATFORM;
void pm_set_ops(struct pm_ops * ops)
{
- down(&pm_sem);
+ mutex_lock(&pm_mutex);
pm_ops = ops;
- up(&pm_sem);
+ mutex_unlock(&pm_mutex);
}
if (!valid_state(state))
return -ENODEV;
- if (down_trylock(&pm_sem))
+ if (!mutex_trylock(&pm_mutex))
return -EBUSY;
if (state == PM_SUSPEND_DISK) {
pr_debug("PM: Finishing wakeup.\n");
suspend_finish(state);
Unlock:
- up(&pm_sem);
+ mutex_unlock(&pm_mutex);
return error;
}
return -EINVAL;
}
-
+EXPORT_SYMBOL(pm_suspend);
decl_subsys(power,NULL,NULL);