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[2/2] RTC: pl031: removed RTC timer interrupt handling.

Message ID 1336987021-19062-1-git-send-email-linus.walleij@stericsson.com
State Accepted
Headers show

Commit Message

Linus Walleij May 14, 2012, 9:17 a.m. UTC 
From: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>

Removed 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.

Cc: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Rajkumar Kasirajan <rajkumar.kasirajan@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 drivers/rtc/rtc-pl031.c |   14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)
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Patch

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;