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authorStephen Boyd <swboyd@chromium.org>2020-01-24 08:58:47 +0300
committerThomas Gleixner <tglx@linutronix.de>2020-01-24 23:00:21 +0300
commit7c94caca877b0feeca6f5f7b07d48c508e20d58f (patch)
treeb7b72803c03c5ebd6822e6b4e2a0e66459b9017e /kernel/time
parentc79108bd19a8490315847e0c95ac6526fcd8e770 (diff)
downloadlinux-7c94caca877b0feeca6f5f7b07d48c508e20d58f.tar.xz
alarmtimer: Use wakeup source from alarmtimer platform device
Use the wakeup source that can be associated with the 'alarmtimer' platform device instead of registering another one by hand. Signed-off-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20200124055849.154411-3-swboyd@chromium.org
Diffstat (limited to 'kernel/time')
-rw-r--r--kernel/time/alarmtimer.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index f0469ccc84ee..685ff57a1d87 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -58,8 +58,6 @@ static DEFINE_SPINLOCK(freezer_delta_lock);
#endif
#ifdef CONFIG_RTC_CLASS
-static struct wakeup_source *ws;
-
/* rtc timer and device for setting alarm wakeups at suspend */
static struct rtc_timer rtctimer;
static struct rtc_device *rtcdev;
@@ -88,7 +86,6 @@ static int alarmtimer_rtc_add_device(struct device *dev,
{
unsigned long flags;
struct rtc_device *rtc = to_rtc_device(dev);
- struct wakeup_source *__ws;
struct platform_device *pdev;
int ret = 0;
@@ -100,12 +97,13 @@ static int alarmtimer_rtc_add_device(struct device *dev,
if (!device_may_wakeup(rtc->dev.parent))
return -1;
- __ws = wakeup_source_register(dev, "alarmtimer");
pdev = platform_device_register_data(dev, "alarmtimer",
PLATFORM_DEVID_AUTO, NULL, 0);
+ if (!IS_ERR(pdev))
+ device_init_wakeup(&pdev->dev, true);
spin_lock_irqsave(&rtcdev_lock, flags);
- if (__ws && !IS_ERR(pdev) && !rtcdev) {
+ if (!IS_ERR(pdev) && !rtcdev) {
if (!try_module_get(rtc->owner)) {
ret = -1;
goto unlock;
@@ -114,8 +112,6 @@ static int alarmtimer_rtc_add_device(struct device *dev,
rtcdev = rtc;
/* hold a reference so it doesn't go away */
get_device(dev);
- ws = __ws;
- __ws = NULL;
pdev = NULL;
} else {
ret = -1;
@@ -124,7 +120,6 @@ unlock:
spin_unlock_irqrestore(&rtcdev_lock, flags);
platform_device_unregister(pdev);
- wakeup_source_unregister(__ws);
return ret;
}
@@ -291,7 +286,7 @@ static int alarmtimer_suspend(struct device *dev)
return 0;
if (ktime_to_ns(min) < 2 * NSEC_PER_SEC) {
- __pm_wakeup_event(ws, 2 * MSEC_PER_SEC);
+ pm_wakeup_event(dev, 2 * MSEC_PER_SEC);
return -EBUSY;
}
@@ -306,7 +301,7 @@ static int alarmtimer_suspend(struct device *dev)
/* Set alarm, if in the past reject suspend briefly to handle */
ret = rtc_timer_start(rtc, &rtctimer, now, 0);
if (ret < 0)
- __pm_wakeup_event(ws, MSEC_PER_SEC);
+ pm_wakeup_event(dev, MSEC_PER_SEC);
return ret;
}