linux-kernel - Re: [PATCH] mfd: arizona: Propagate irq

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Date:	Mon, 1 Sep 2014 16:48:57 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Cc:	sameo@...ux.intel.com, patches@...nsource.wolfsonmicro.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: arizona: Propagate irq_wake through to parent IRQ

On Mon, 01 Sep 2014, Charles Keepax wrote:

> If one of the internal Arizona IRQs is set as a wake source this needs
> to be propogated back to the actual IRQ line that the Arizona device is
> attached to.
> 
> Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
> ---
>  drivers/mfd/arizona-irq.c |    8 ++++++++
>  1 files changed, 8 insertions(+), 0 deletions(-)
> 
> Hi,
> 
> Just thought I would resend this one on its own as it is a good
> bug fix and didn't need to depend on the other extra callbacks patch.
> And it would be good to get it in whilst I work on the IRQ stuff.
> 
> Thanks,
> Charles

Applied, thanks.

> diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c
> index 9133d51..5e2f450 100644
> --- a/drivers/mfd/arizona-irq.c
> +++ b/drivers/mfd/arizona-irq.c
> @@ -152,10 +152,18 @@ static void arizona_irq_disable(struct irq_data *data)
>  {
>  }
>  
> +static int arizona_irq_set_wake(struct irq_data *data, unsigned int on)
> +{
> +	struct arizona *arizona = irq_data_get_irq_chip_data(data);
> +
> +	return irq_set_irq_wake(arizona->irq, on);
> +}
> +
>  static struct irq_chip arizona_irq_chip = {
>  	.name			= "arizona",
>  	.irq_disable		= arizona_irq_disable,
>  	.irq_enable		= arizona_irq_enable,
> +	.irq_set_wake		= arizona_irq_set_wake,
>  };
>  
>  static int arizona_irq_map(struct irq_domain *h, unsigned int virq,

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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