linux-kernel - Re: [PATCH 3/3] twl4030: enable wakeup on twl4030 IRQ.

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Date:	Thu, 26 Apr 2012 13:39:32 -0700
From:	Kevin Hilman <khilman@...com>
To:	NeilBrown <neilb@...e.de>
Cc:	Tony Lindgren <tony@...mide.com>,
	Russell King <linux@....linux.org.uk>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-omap@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org
Subject: Re: [PATCH 3/3] twl4030: enable wakeup on twl4030 IRQ.

NeilBrown <neilb@...e.de> writes:

> Most of the interrupts that come through this line should trigger
> wakeups:
>   power button
>   RTC alarm
>   power available
>   usb plug/unplug
>
> so mark the interrupt as a wakeup interrupt.
> This is particularly important for when the interrupt arrives during
> the late suspend phase.  Without this setting it will be ignored.
>
> Signed-off-by: NeilBrown <neilb@...e.de>

Acked-by: Kevin Hilman <khilman@...com>


> ---
>
>  drivers/mfd/twl4030-irq.c |    1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
> index 5d656e8..ad733d7 100644
> --- a/drivers/mfd/twl4030-irq.c
> +++ b/drivers/mfd/twl4030-irq.c
> @@ -757,6 +757,7 @@ int twl4030_init_irq(struct device *dev, int irq_num)
>  		dev_err(dev, "could not claim irq%d: %d\n", irq_num, status);
>  		goto fail_rqirq;
>  	}
> +	enable_irq_wake(irq_num);
>  
>  	return irq_base;
>  fail_rqirq:
>
>
> --
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