210 	struct rtc_wkalrm alarm;  in rtc_dev_ioctl()  local
251 	 * RTC and alarm times will be in UTC, by preference,  in rtc_dev_ioctl()
260 		err = rtc_read_alarm(rtc, &alarm);  in rtc_dev_ioctl()
264 		if (copy_to_user(uarg, &alarm.time, sizeof(tm)))  in rtc_dev_ioctl()
271 		if (copy_from_user(&alarm.time, uarg, sizeof(tm)))  in rtc_dev_ioctl()
274 		alarm.enabled = 0;  in rtc_dev_ioctl()
275 		alarm.pending = 0;  in rtc_dev_ioctl()
276 		alarm.time.tm_wday = -1;  in rtc_dev_ioctl()
277 		alarm.time.tm_yday = -1;  in rtc_dev_ioctl()
278 		alarm.time.tm_isdst = -1;  in rtc_dev_ioctl()
282 		 * for day/month/year fields, just force the alarm to have  in rtc_dev_ioctl()
287 		 * doesn't have the "alarm 23:59:59 in the future" race.  in rtc_dev_ioctl()
290 		 * wildcards, exposing hardware "periodic alarm" capabilities.  in rtc_dev_ioctl()
301 			alarm.time.tm_mday = tm.tm_mday;  in rtc_dev_ioctl()
302 			alarm.time.tm_mon = tm.tm_mon;  in rtc_dev_ioctl()
303 			alarm.time.tm_year = tm.tm_year;  in rtc_dev_ioctl()
304 			err  = rtc_valid_tm(&alarm.time);  in rtc_dev_ioctl()
307 			then = rtc_tm_to_time64(&alarm.time);  in rtc_dev_ioctl()
309 			/* alarm may need to wrap into tomorrow */  in rtc_dev_ioctl()
312 				alarm.time.tm_mday = tm.tm_mday;  in rtc_dev_ioctl()
313 				alarm.time.tm_mon = tm.tm_mon;  in rtc_dev_ioctl()
314 				alarm.time.tm_year = tm.tm_year;  in rtc_dev_ioctl()
318 		return rtc_set_alarm(rtc, &alarm);  in rtc_dev_ioctl()
372 		if (copy_from_user(&alarm, uarg, sizeof(alarm)))  in rtc_dev_ioctl()
375 		return rtc_set_alarm(rtc, &alarm);  in rtc_dev_ioctl()
379 		err = rtc_read_alarm(rtc, &alarm);  in rtc_dev_ioctl()
383 		if (copy_to_user(uarg, &alarm, sizeof(alarm)))  in rtc_dev_ioctl()
511 	 * Leave the alarm alone; it may be set to trigger a system wakeup  in rtc_dev_release()