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drivers/rtc/rtc-pl031.c: remove RTC timer interrupt handling 

Remove RTT interrupt handling, since PIE mode interrupts are now better
emulated in generic code via an hrtimer we have no need for this, and
there is no codepath in the driver that enables these periodic interrupts
anyway.

Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Mattias Wallin <mattias.wallin@stericsson.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Rajkumar Kasirajan 2012-05-29 15:07:40 -07:00 committed by Linus Torvalds
parent e862e7c4ee
commit ac2dee5984
1 changed files with 3 additions and 11 deletions
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14
drivers/rtc/rtc-pl031.c
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@ -220,17 +220,9 @@ static irqreturn_t pl031_interrupt(int irq, void *dev_id)
unsigned long events = 0;
rtcmis = readl(ldata->base + RTC_MIS);
if (rtcmis) {
writel(rtcmis, ldata->base + RTC_ICR);
if (rtcmis & RTC_BIT_AI)
events |= (RTC_AF | RTC_IRQF);
/* Timer interrupt is only available in ST variants */
if ((rtcmis & RTC_BIT_PI) &&
(ldata->hw_designer == AMBA_VENDOR_ST))
events |= (RTC_PF | RTC_IRQF);
if (rtcmis & RTC_BIT_AI) {
writel(RTC_BIT_AI, ldata->base + RTC_ICR);
events |= (RTC_AF | RTC_IRQF);
rtc_update_irq(ldata->rtc, 1, events);
return IRQ_HANDLED;