[PATCH] pxa270 rtc wakeup event fix

From: marek.vasut@gmail.com (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] pxa270 rtc wakeup event fix
Date: Fri, 8 Apr 2011 21:36:52 +0200	[thread overview]
Message-ID: <201104082136.52297.marek.vasut@gmail.com> (raw)
In-Reply-To: <4D9F3AE4.2040101@gmail.com>

On Friday 08 April 2011 18:42:12 Nick Bane wrote:
> This fixes the failure to register the IRQ_RTCAlrm alarm as a wakeup event.
> It is misinterpreted as a gpio irq not a PWER bitmask.
> 
> Nick Bane

CCing Haojian and Eric.

> 
> Index: linux-2.6.38/arch/arm/mach-pxa/pxa27x.c
> ===================================================================

Please use git format-patch

Thanks, cheers

> --- linux-2.6.38.orig/arch/arm/mach-pxa/pxa27x.c    2011-04-07
> 21:07:54.000000000 +0100
> +++ linux-2.6.38/arch/arm/mach-pxa/pxa27x.c    2011-04-07
> 21:08:40.000000000 +0100
> @@ -341,6 +341,11 @@
>   static inline void pxa27x_init_pm(void) {}
>   #endif
> 
> +static int is_gpio_irq(int irq)
> +{
> +    return (irq == IRQ_GPIO0) || (irq == IRQ_GPIO1) || (irq >=
> PXA_GPIO_IRQ_BASE);
> +}
> +
>   /* PXA27x:  Various gpios can issue wakeup events.  This logic only
>    * handles the simple cases, not the WEMUX2 and WEMUX3 options
>    */
> @@ -349,7 +354,7 @@
>       int gpio = IRQ_TO_GPIO(d->irq);
>       uint32_t mask;
> 
> -    if (gpio >= 0 && gpio < 128)
> +    if (is_gpio_irq(d->irq) && gpio >= 0 && gpio < 128)
>           return gpio_set_wake(gpio, on);
> 
>       if (d->irq == IRQ_KEYPAD)
> 
> 
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