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MIPS: IP32: Fix hang on shutdown in power button interrupt handler. 

The hang was caused by the use of disable_irq() from the interrupt handler
itself.  Fixed by the use of disable_irq_nosync().  The issue was
triggered by:

    commit 3aa551c9b4
    Author: Thomas Gleixner <tglx@linutronix.de>
    Date:   Mon Mar 23 18:28:15 2009 +0100

        genirq: add threaded interrupt handler support

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Andrew Randrianasulu 2009-05-14 11:29:27 -07:00 committed by Ralf Baechle
parent 279e677faa
commit 950312ce22
1 changed files with 1 additions and 1 deletions
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arch/mips/sgi-ip32/ip32-reset.c
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@ -145,7 +145,7 @@ static irqreturn_t ip32_rtc_int(int irq, void *dev_id)
"%s: RTC IRQ without RTC_IRQF\n", __func__);
}
/* Wait until interrupt goes away */
disable_irq(MACEISA_RTC_IRQ);
disable_irq_nosync(MACEISA_RTC_IRQ);
init_timer(&debounce_timer);
debounce_timer.function = debounce;
debounce_timer.expires = jiffies + 50;