linux-kernel - Re: [PATCH 3/8] mfd: wm831x-auxadc: Pass the IRQF

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Message-ID: <20150609075527.GI2982@x1>
Date:	Tue, 9 Jun 2015 08:55:27 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Fabio Estevam <festevam@...il.com>
Cc:	Julia.Lawall@...6.fr, linux-kernel@...r.kernel.org,
	Fabio Estevam <fabio.estevam@...escale.com>
Subject: Re: [PATCH 3/8] mfd: wm831x-auxadc: Pass the IRQF_ONESHOT flag

On Sat, 16 May 2015, Fabio Estevam wrote:

> From: Fabio Estevam <fabio.estevam@...escale.com>
> 
> Since commit 1c6c69525b40eb76de8adf039409722015927dc3 ("genirq: Reject
> bogus threaded irq requests") threaded IRQs without a primary handler
> need to be requested with IRQF_ONESHOT, otherwise the request will fail.
> 
> So pass the IRQF_ONESHOT flag in this case.
> 
> The semantic patch that makes this change is available
> in scripts/coccinelle/misc/irqf_oneshot.cocci.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>
> ---
>  drivers/mfd/wm831x-auxadc.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Applied, thanks.

> diff --git a/drivers/mfd/wm831x-auxadc.c b/drivers/mfd/wm831x-auxadc.c
> index 6ee3018..fd789d2 100644
> --- a/drivers/mfd/wm831x-auxadc.c
> +++ b/drivers/mfd/wm831x-auxadc.c
> @@ -285,7 +285,8 @@ void wm831x_auxadc_init(struct wm831x *wm831x)
>  
>  		ret = request_threaded_irq(wm831x_irq(wm831x,
>  						      WM831X_IRQ_AUXADC_DATA),
> -					   NULL, wm831x_auxadc_irq, 0,
> +					   NULL, wm831x_auxadc_irq,
> +					   IRQF_ONESHOT,
>  					   "auxadc", wm831x);
>  		if (ret < 0) {
>  			dev_err(wm831x->dev, "AUXADC IRQ request failed: %d\n",

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