linux-kernel - Re: [PATCH 1/8] mfd: twl4030-irq: Pass the IRQF

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Message-ID: <20150609075452.GG2982@x1>
Date:	Tue, 9 Jun 2015 08:54:52 +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 1/8] mfd: twl4030-irq: 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/twl4030-irq.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

> diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
> index 1b772ef..a3fa7f4 100644
> --- a/drivers/mfd/twl4030-irq.c
> +++ b/drivers/mfd/twl4030-irq.c
> @@ -674,7 +674,7 @@ int twl4030_sih_setup(struct device *dev, int module, int irq_base)
>  	irq_set_handler_data(irq, agent);
>  	agent->irq_name = kasprintf(GFP_KERNEL, "twl4030_%s", sih->name);
>  	status = request_threaded_irq(irq, NULL, handle_twl4030_sih,
> -				      IRQF_EARLY_RESUME,
> +				      IRQF_EARLY_RESUME | IRQF_ONESHOT,
>  				      agent->irq_name ?: sih->name, NULL);
>  
>  	dev_info(dev, "%s (irq %d) chaining IRQs %d..%d\n", sih->name,

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