Refactor mc146818_does_rtc_work() so that it uses mc146818_avoid_UIP().
It is enough to call mc146818_avoid_UIP() with no callback.
Signed-off-by: Mateusz Jończyk <mat.jonczyk@o2.pl>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211210200131.153887-8-mat.jonczyk@o2.pl
*/
bool mc146818_does_rtc_work(void)
{
- int i;
- unsigned char val;
- unsigned long flags;
-
- for (i = 0; i < 10; i++) {
- spin_lock_irqsave(&rtc_lock, flags);
- val = CMOS_READ(RTC_FREQ_SELECT);
- spin_unlock_irqrestore(&rtc_lock, flags);
-
- if ((val & RTC_UIP) == 0)
- return true;
-
- mdelay(1);
- }
-
- return false;
+ return mc146818_avoid_UIP(NULL, NULL);
}
EXPORT_SYMBOL_GPL(mc146818_does_rtc_work);