staging: android-alarm: Don't use save_time_delta.

Remove references to non-existant save_time_delta.

Change-Id: Iaefeca497de02fe36b7f5d79075912f6e349ec53
CC: Arve Hjønnevåg <arve@android.com>
CC: Android Kernel Team <kernel-team@android.com>
Signed-off-by: NArve Hjønnevåg <arve@android.com>
[Added commit message -jstultz]
Signed-off-by: NJohn Stultz <john.stultz@linaro.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/android/alarm.c

@@ -373,8 +373,8 @@ static int alarm_suspend(struct platform_device *pdev, pm_message_t state)
 	struct rtc_time     rtc_current_rtc_time;
 	unsigned long       rtc_current_time;
 	unsigned long       rtc_alarm_time;
-	struct timespec     rtc_current_timespec;
 	struct timespec     rtc_delta;
+	struct timespec     wall_time;
 	struct alarm_queue *wakeup_queue = NULL;
 	struct alarm_queue *tmp_queue = NULL;
 
@@ -398,10 +398,11 @@ static int alarm_suspend(struct platform_device *pdev, pm_message_t state)
 		wakeup_queue = tmp_queue;
 	if (wakeup_queue) {
 		rtc_read_time(alarm_rtc_dev, &rtc_current_rtc_time);
-		rtc_current_timespec.tv_nsec = 0;
-		rtc_tm_to_time(&rtc_current_rtc_time,
-			       &rtc_current_timespec.tv_sec);
-		save_time_delta(&rtc_delta, &rtc_current_timespec);
+		getnstimeofday(&wall_time);
+		rtc_tm_to_time(&rtc_current_rtc_time, &rtc_current_time);
+		set_normalized_timespec(&rtc_delta,
+					wall_time.tv_sec - rtc_current_time,
+					wall_time.tv_nsec);
 
 		rtc_alarm_time = timespec_sub(ktime_to_timespec(
 			hrtimer_get_expires(&wakeup_queue->timer)),