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authorRajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>2012-05-30 02:07:40 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-30 03:22:34 +0400
commitac2dee5984bc78c8ff1893142f7322320d2baf05 (patch)
treed4664023befbc9509f1e9ebe10efe0a2fddbbe57 /drivers
parente862e7c4ee52c2d1a0af37a8c3a2bda079042b06 (diff)
downloadlinux-ac2dee5984bc78c8ff1893142f7322320d2baf05.tar.xz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/rtc/rtc-pl031.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index f027c063fb20..cc0533994f6e 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -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;