linux-kernel - Re: [PATCH] extcon: Move extcon_get_edev_by

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Date:	Wed, 06 Jul 2016 09:06:26 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Stephen Boyd <stephen.boyd@...aro.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] extcon: Move extcon_get_edev_by_phandle() errors to dbg
 level

Hi Stephen,

On 2016년 07월 06일 03:57, Stephen Boyd wrote:
> Sometimes drivers may call this API and expect it to fail because
> the extcon they're looking for is optional. Let's move these
> prints to debug level so it doesn't look like there's a problem
> when there isn't one.
> 
> Signed-off-by: Stephen Boyd <stephen.boyd@...aro.org>
> ---
>  drivers/extcon/extcon.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
> index 161acb826334..984f50d5297c 100644
> --- a/drivers/extcon/extcon.c
> +++ b/drivers/extcon/extcon.c
> @@ -1096,13 +1096,13 @@ struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, int index)
>  		return ERR_PTR(-EINVAL);
>  
>  	if (!dev->of_node) {
> -		dev_err(dev, "device does not have a device node entry\n");
> +		dev_dbg(dev, "device does not have a device node entry\n");
>  		return ERR_PTR(-EINVAL);
>  	}
>  
>  	node = of_parse_phandle(dev->of_node, "extcon", index);
>  	if (!node) {
> -		dev_err(dev, "failed to get phandle in %s node\n",
> +		dev_dbg(dev, "failed to get phandle in %s node\n",
>  			dev->of_node->full_name);
>  		return ERR_PTR(-ENODEV);
>  	}
> 

Applied it.

Thanks,
Chanwoo Choi