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authorRajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>2012-05-29 15:07:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-29 16:22:34 -0700
commitac2dee5984bc78c8ff1893142f7322320d2baf05 (patch)
treed4664023befbc9509f1e9ebe10efe0a2fddbbe57 /drivers/rtc/rtc-pl031.c
parente862e7c4ee52c2d1a0af37a8c3a2bda079042b06 (diff)
downloadop-kernel-dev-ac2dee5984bc78c8ff1893142f7322320d2baf05.zip
op-kernel-dev-ac2dee5984bc78c8ff1893142f7322320d2baf05.tar.gz
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/rtc/rtc-pl031.c')
-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 f027c06..cc05339 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;
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