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>
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@ -220,17 +220,9 @@ static irqreturn_t pl031_interrupt(int irq, void *dev_id)
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unsigned long events = 0;
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rtcmis = readl(ldata->base + RTC_MIS);
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if (rtcmis) {
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writel(rtcmis, ldata->base + RTC_ICR);
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if (rtcmis & RTC_BIT_AI)
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if (rtcmis & RTC_BIT_AI) {
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writel(RTC_BIT_AI, ldata->base + RTC_ICR);
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events |= (RTC_AF | RTC_IRQF);
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/* Timer interrupt is only available in ST variants */
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if ((rtcmis & RTC_BIT_PI) &&
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(ldata->hw_designer == AMBA_VENDOR_ST))
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events |= (RTC_PF | RTC_IRQF);
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rtc_update_irq(ldata->rtc, 1, events);
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return IRQ_HANDLED;
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