[PATCH] IP32 power button fix for 2.6.30

[Andrew Randrianasulu <randrik_a@yahoo.com>]

I think i run into same sort of problem, as described here:

http://lkml.org/lkml/2009/4/16/24
http://lkml.org/lkml/2009/4/14/94

(in my case it was hang after pressing O2's power button)

this patch fixes it:

----

diff --git a/arch/mips/sgi-ip32/ip32-reset.c b/arch/mips/sgi-ip32/ip32-reset.c
index b6cab08..667da93 100644
--- a/arch/mips/sgi-ip32/ip32-reset.c
+++ b/arch/mips/sgi-ip32/ip32-reset.c
@@ -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;

----

tested with 2.6.30-rc5 mainline (linux-mips.org tree was also affected)