linux-kernel - Re: [PATCH 8/8] mfd: si476x-i2c: Pass the IRQF

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Message-ID: <20150609075631.GN2982@x1>
Date:	Tue, 9 Jun 2015 08:56:31 +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 8/8] mfd: si476x-i2c: 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/si476x-i2c.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Applied, thanks.

> diff --git a/drivers/mfd/si476x-i2c.c b/drivers/mfd/si476x-i2c.c
> index 7f87c62..e3deb46 100644
> --- a/drivers/mfd/si476x-i2c.c
> +++ b/drivers/mfd/si476x-i2c.c
> @@ -777,7 +777,8 @@ static int si476x_core_probe(struct i2c_client *client,
>  		rval = devm_request_threaded_irq(&client->dev,
>  						 client->irq, NULL,
>  						 si476x_core_interrupt,
> -						 IRQF_TRIGGER_FALLING,
> +						 IRQF_TRIGGER_FALLING |
> +						 IRQF_ONESHOT,
>  						 client->name, core);
>  		if (rval < 0) {
>  			dev_err(&client->dev, "Could not request IRQ %d\n",

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