Re: [PATCH 38/50] pinctrl: digicolor: Use devm_pinctrl_register() for pinctrl registration

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Hi Laxman Dewangan,

On Wed, Feb 24, 2016 at 06:46:03PM +0530, Laxman Dewangan wrote:
> Use devm_pinctrl_register() for pin control registration and clean
> error path.
> 
> Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
> Cc: Baruch Siach <baruch@xxxxxxxxxx>
> ---
>  drivers/pinctrl/pinctrl-digicolor.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/pinctrl/pinctrl-digicolor.c b/drivers/pinctrl/pinctrl-digicolor.c
> index f1343d6..c18014d 100644
> --- a/drivers/pinctrl/pinctrl-digicolor.c
> +++ b/drivers/pinctrl/pinctrl-digicolor.c
> @@ -326,17 +326,15 @@ static int dc_pinctrl_probe(struct platform_device *pdev)
>  
>  	pmap->dev = &pdev->dev;
>  
> -	pmap->pctl = pinctrl_register(pctl_desc, &pdev->dev, pmap);
> +	pmap->pctl = devm_pinctrl_register(&pdev->dev, pctl_desc, pmap);
>  	if (IS_ERR(pmap->pctl)) {
>  		dev_err(&pdev->dev, "pinctrl driver registration failed\n");
>  		return PTR_ERR(pmap->pctl);
>  	}
>  
>  	ret = dc_gpiochip_add(pmap, pdev->dev.of_node);
> -	if (ret < 0) {
> -		pinctrl_unregister(pmap->pctl);
> +	if (ret < 0)
>  		return ret;
> -	}
>  
>  	return 0;

Please simplify even more to just:

   return dc_gpiochip_add(pmap, pdev->dev.of_node);

and remove the no longer used 'ret' variable.

Thanks,
baruch

-- 
     http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
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