linux-kernel - Re: [PATCH v2] extcon: usb-gpio: use flags argument of devm_gpiod

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Date:	Wed, 20 May 2015 10:33:18 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	MyungJoo Ham <myungjoo.ham@...sung.com>,
	Roger Quadros <rogerq@...com>, Felipe Balbi <balbi@...com>,
	kernel@...gutronix.de, Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] extcon: usb-gpio: use flags argument of devm_gpiod_get
 to set direction

Hi Uwe,

You must send the extcon patch to the linux-kernel@...r.kernel.org.

On 05/19/2015 09:18 PM, Uwe Kleine-König wrote:
> Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions)
> which appeared in v3.17-rc1, the gpiod_get* functions take an additional
> parameter that allows to specify direction and initial value for output.
> 
> Without this patch there is no call to gpiod_direction_input but the
> gpio is used for irq reporting and for that the line should be in input
> mode.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
> ---
> 
> Notes:
>     Changes since (implicit) v1, sent with
>     Message-Id: 1432020518-19389-1-git-send-email-u.kleine-koenig@...gutronix.de:
>     
>      - drop Fixes:
>      - make it actually compile
> 
>  drivers/extcon/extcon-usb-gpio.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/extcon/extcon-usb-gpio.c b/drivers/extcon/extcon-usb-gpio.c
> index e45d1f13f445..df7f3f32e325 100644
> --- a/drivers/extcon/extcon-usb-gpio.c
> +++ b/drivers/extcon/extcon-usb-gpio.c
> @@ -113,7 +113,7 @@ static int usb_extcon_probe(struct platform_device *pdev)
>  		return -ENOMEM;
>  
>  	info->dev = dev;
> -	info->id_gpiod = devm_gpiod_get(&pdev->dev, "id");
> +	info->id_gpiod = devm_gpiod_get(&pdev->dev, "id", GPIOD_IN);
>  	if (IS_ERR(info->id_gpiod)) {
>  		dev_err(dev, "failed to get ID GPIO\n");
>  		return PTR_ERR(info->id_gpiod);
> 

Applied it.

Thanks,
Chanwoo Choi
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