In their current AOSP tree, the Android in-kernel wakelock
infrastructure has been reimplemented in terms of wakeup
sources:
http://git.linaro.org/gitweb?p=people/jstultz/android.git;a=commitdiff;h=
e9911f4efdc55af703b8b3bb8c839e6f5dd173bb
The Android alarm driver currently has stubbed out calls
to wakelock functionality. So this patch simply converts
the stubbed out wakelock calls to wakeup source calls, and
removes the empty wakelock macros
Greg, would you mind queuing this in staging-next?
CC: Colin Cross <ccross@android.com>
CC: Arve Hjønnevåg <arve@android.com>
CC: Greg KH <gregkh@linuxfoundation.org>
CC: Android Kernel Team <kernel-team@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
#include <linux/alarmtimer.h>
#include "android_alarm.h"
#include <linux/alarmtimer.h>
#include "android_alarm.h"
-/* XXX - Hack out wakelocks, while they are out of tree */
-struct wake_lock {
- int i;
-};
-#define wake_lock(x)
-#define wake_lock_timeout(x, y)
-#define wake_unlock(x)
-#define WAKE_LOCK_SUSPEND 0
-#define wake_lock_init(x, y, z) ((x)->i = 1)
-#define wake_lock_destroy(x)
-
#define ANDROID_ALARM_PRINT_INFO (1U << 0)
#define ANDROID_ALARM_PRINT_IO (1U << 1)
#define ANDROID_ALARM_PRINT_INT (1U << 2)
#define ANDROID_ALARM_PRINT_INFO (1U << 0)
#define ANDROID_ALARM_PRINT_IO (1U << 1)
#define ANDROID_ALARM_PRINT_INT (1U << 2)
static int alarm_opened;
static DEFINE_SPINLOCK(alarm_slock);
static int alarm_opened;
static DEFINE_SPINLOCK(alarm_slock);
-static struct wake_lock alarm_wake_lock;
+static struct wakeup_source alarm_wake_lock;
static DECLARE_WAIT_QUEUE_HEAD(alarm_wait_queue);
static uint32_t alarm_pending;
static uint32_t alarm_enabled;
static DECLARE_WAIT_QUEUE_HEAD(alarm_wait_queue);
static uint32_t alarm_pending;
static uint32_t alarm_enabled;
if (alarm_pending) {
alarm_pending &= ~alarm_type_mask;
if (!alarm_pending && !wait_pending)
if (alarm_pending) {
alarm_pending &= ~alarm_type_mask;
if (!alarm_pending && !wait_pending)
- wake_unlock(&alarm_wake_lock);
+ __pm_relax(&alarm_wake_lock);
}
alarm_enabled &= ~alarm_type_mask;
spin_unlock_irqrestore(&alarm_slock, flags);
}
alarm_enabled &= ~alarm_type_mask;
spin_unlock_irqrestore(&alarm_slock, flags);
spin_lock_irqsave(&alarm_slock, flags);
pr_alarm(IO, "alarm wait\n");
if (!alarm_pending && wait_pending) {
spin_lock_irqsave(&alarm_slock, flags);
pr_alarm(IO, "alarm wait\n");
if (!alarm_pending && wait_pending) {
- wake_unlock(&alarm_wake_lock);
+ __pm_relax(&alarm_wake_lock);
wait_pending = 0;
}
spin_unlock_irqrestore(&alarm_slock, flags);
wait_pending = 0;
}
spin_unlock_irqrestore(&alarm_slock, flags);
if (alarm_pending)
pr_alarm(INFO, "alarm_release: clear "
"pending alarms %x\n", alarm_pending);
if (alarm_pending)
pr_alarm(INFO, "alarm_release: clear "
"pending alarms %x\n", alarm_pending);
- wake_unlock(&alarm_wake_lock);
+ __pm_relax(&alarm_wake_lock);
wait_pending = 0;
alarm_pending = 0;
}
wait_pending = 0;
alarm_pending = 0;
}
pr_alarm(INT, "devalarm_triggered type %d\n", alarm->type);
spin_lock_irqsave(&alarm_slock, flags);
if (alarm_enabled & alarm_type_mask) {
pr_alarm(INT, "devalarm_triggered type %d\n", alarm->type);
spin_lock_irqsave(&alarm_slock, flags);
if (alarm_enabled & alarm_type_mask) {
- wake_lock_timeout(&alarm_wake_lock, 5 * HZ);
+ __pm_wakeup_event(&alarm_wake_lock, 5000); /* 5secs */
alarm_enabled &= ~alarm_type_mask;
alarm_pending |= alarm_type_mask;
wake_up(&alarm_wait_queue);
alarm_enabled &= ~alarm_type_mask;
alarm_pending |= alarm_type_mask;
wake_up(&alarm_wait_queue);
alarms[i].u.hrt.function = devalarm_hrthandler;
}
alarms[i].u.hrt.function = devalarm_hrthandler;
}
- wake_lock_init(&alarm_wake_lock, WAKE_LOCK_SUSPEND, "alarm");
-
+ wakeup_source_init(&alarm_wake_lock, "alarm");
return 0;
}
static void __exit alarm_dev_exit(void)
{
misc_deregister(&alarm_device);
return 0;
}
static void __exit alarm_dev_exit(void)
{
misc_deregister(&alarm_device);
- wake_lock_destroy(&alarm_wake_lock);
+ wakeup_source_trash(&alarm_wake_lock);
}
module_init(alarm_dev_init);
}
module_init(alarm_dev_init);