79 static bool acpi_tad_rt_is_invalid(struct acpi_tad_rt *rt)  in acpi_tad_rt_is_invalid()  argument
81 	return rt->year < 1900 || rt->year > 9999 ||  in acpi_tad_rt_is_invalid()
82 	    rt->month < 1 || rt->month > 12 ||  in acpi_tad_rt_is_invalid()
83 	    rt->hour > 23 || rt->minute > 59 || rt->second > 59 ||  in acpi_tad_rt_is_invalid()
84 	    rt->tz < -1440 ||  in acpi_tad_rt_is_invalid()
85 	    (rt->tz > 1440 && rt->tz != ACPI_TAD_TZ_UNSPEC) ||  in acpi_tad_rt_is_invalid()
86 	    rt->daylight > 3;  in acpi_tad_rt_is_invalid()
89 static int acpi_tad_set_real_time(struct device *dev, struct acpi_tad_rt *rt)  in acpi_tad_set_real_time()  argument
102 	if (acpi_tad_rt_is_invalid(rt))  in acpi_tad_set_real_time()
105 	rt->valid = 0;  in acpi_tad_set_real_time()
106 	rt->msec = 0;  in acpi_tad_set_real_time()
107 	memset(rt->padding, 0, 3);  in acpi_tad_set_real_time()
109 	args[0].buffer.pointer = (u8 *)rt;  in acpi_tad_set_real_time()
110 	args[0].buffer.length = sizeof(*rt);  in acpi_tad_set_real_time()
123 static int acpi_tad_evaluate_grt(struct device *dev, struct acpi_tad_rt *rt)  in acpi_tad_evaluate_grt()  argument
140 	if (out_obj->buffer.length != sizeof(*rt))  in acpi_tad_evaluate_grt()
147 	memcpy(rt, data, sizeof(*rt));  in acpi_tad_evaluate_grt()
155 static int __acpi_tad_get_real_time(struct device *dev, struct acpi_tad_rt *rt)  in __acpi_tad_get_real_time()  argument
159 	ret = acpi_tad_evaluate_grt(dev, rt);  in __acpi_tad_get_real_time()
163 	if (acpi_tad_rt_is_invalid(rt))  in __acpi_tad_get_real_time()
169 static int acpi_tad_get_real_time(struct device *dev, struct acpi_tad_rt *rt)  in acpi_tad_get_real_time()  argument
175 	return __acpi_tad_get_real_time(dev, rt);  in acpi_tad_get_real_time()
245 	struct acpi_tad_rt rt;  in time_store()  local
257 	rt.year = val;  in time_store()
263 	rt.month = val;  in time_store()
269 	rt.day = val;  in time_store()
275 	rt.hour = val;  in time_store()
281 	rt.minute = val;  in time_store()
287 	rt.second = val;  in time_store()
293 	rt.tz = val;  in time_store()
298 	rt.daylight = val;  in time_store()
300 	ret = acpi_tad_set_real_time(dev, &rt);  in time_store()
310 	struct acpi_tad_rt rt;  in time_show()  local
313 	ret = acpi_tad_get_real_time(dev, &rt);  in time_show()
318 		       rt.year, rt.month, rt.day, rt.hour, rt.minute, rt.second,  in time_show()
319 		       rt.tz, rt.daylight);  in time_show()
618 static void acpi_tad_rt_to_tm(struct acpi_tad_rt *rt, struct rtc_time *tm)  in acpi_tad_rt_to_tm()  argument
620 	tm->tm_year = rt->year - 1900;  in acpi_tad_rt_to_tm()
621 	tm->tm_mon = rt->month - 1;  in acpi_tad_rt_to_tm()
622 	tm->tm_mday = rt->day;  in acpi_tad_rt_to_tm()
623 	tm->tm_hour = rt->hour;  in acpi_tad_rt_to_tm()
624 	tm->tm_min = rt->minute;  in acpi_tad_rt_to_tm()
625 	tm->tm_sec = rt->second;  in acpi_tad_rt_to_tm()
626 	tm->tm_isdst = rt->daylight == ACPI_TAD_TIME_ISDST;  in acpi_tad_rt_to_tm()
631 	struct acpi_tad_rt rt;  in acpi_tad_rtc_set_time()  local
633 	rt.year = tm->tm_year + 1900;  in acpi_tad_rtc_set_time()
634 	rt.month = tm->tm_mon + 1;  in acpi_tad_rtc_set_time()
635 	rt.day = tm->tm_mday;  in acpi_tad_rtc_set_time()
636 	rt.hour = tm->tm_hour;  in acpi_tad_rtc_set_time()
637 	rt.minute = tm->tm_min;  in acpi_tad_rtc_set_time()
638 	rt.second = tm->tm_sec;  in acpi_tad_rtc_set_time()
639 	rt.tz = ACPI_TAD_TZ_UNSPEC;  in acpi_tad_rtc_set_time()
640 	rt.daylight = ACPI_TAD_TIME_ISDST * !!tm->tm_isdst;  in acpi_tad_rtc_set_time()
642 	return acpi_tad_set_real_time(dev, &rt);  in acpi_tad_rtc_set_time()
647 	struct acpi_tad_rt rt;  in acpi_tad_rtc_read_time()  local
650 	ret = acpi_tad_get_real_time(dev, &rt);  in acpi_tad_rtc_read_time()
654 	acpi_tad_rt_to_tm(&rt, tm);  in acpi_tad_rtc_read_time()
664 	struct acpi_tad_rt rt;  in acpi_tad_rtc_set_alarm()  local
677 		ret = __acpi_tad_get_real_time(dev, &rt);  in acpi_tad_rtc_set_alarm()
681 		acpi_tad_rt_to_tm(&rt, &tm_now);  in acpi_tad_rtc_set_alarm()
713 	struct acpi_tad_rt rt;  in acpi_tad_rtc_read_alarm()  local
720 	ret = __acpi_tad_get_real_time(dev, &rt);  in acpi_tad_rtc_read_alarm()
724 	acpi_tad_rt_to_tm(&rt, &tm_now);  in acpi_tad_rtc_read_alarm()