drivers/rtc: remove IRQF_DISABLED

Since commit e58aa3d2d0cc ("genirq: run irq handlers with interrupts
disabled") we run all interrupt handlers with interrupts disabled and we
even check and yell when an interrupt handler returns with interrupts
enabled - see commit b738a50a2026 ("genirq: warn when handler enables
interrupts").

So now this flag is a NOOP and can be removed.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 6ac55fd..e55a763 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -666,7 +666,7 @@
 	if (rtc->carry_irq <= 0) {
 		/* register shared periodic/carry/alarm irq */
 		ret = request_irq(rtc->periodic_irq, sh_rtc_shared,
-				  IRQF_DISABLED, "sh-rtc", rtc);
+				  0, "sh-rtc", rtc);
 		if (unlikely(ret)) {
 			dev_err(&pdev->dev,
 				"request IRQ failed with %d, IRQ %d\n", ret,
@@ -676,7 +676,7 @@
 	} else {
 		/* register periodic/carry/alarm irqs */
 		ret = request_irq(rtc->periodic_irq, sh_rtc_periodic,
-				  IRQF_DISABLED, "sh-rtc period", rtc);
+				  0, "sh-rtc period", rtc);
 		if (unlikely(ret)) {
 			dev_err(&pdev->dev,
 				"request period IRQ failed with %d, IRQ %d\n",
@@ -685,7 +685,7 @@
 		}
 
 		ret = request_irq(rtc->carry_irq, sh_rtc_interrupt,
-				  IRQF_DISABLED, "sh-rtc carry", rtc);
+				  0, "sh-rtc carry", rtc);
 		if (unlikely(ret)) {
 			dev_err(&pdev->dev,
 				"request carry IRQ failed with %d, IRQ %d\n",
@@ -695,7 +695,7 @@
 		}
 
 		ret = request_irq(rtc->alarm_irq, sh_rtc_alarm,
-				  IRQF_DISABLED, "sh-rtc alarm", rtc);
+				  0, "sh-rtc alarm", rtc);
 		if (unlikely(ret)) {
 			dev_err(&pdev->dev,
 				"request alarm IRQ failed with %d, IRQ %d\n",