Re: [PATCH 2/2] pinctrl: mvebu: make pdma clock on dove mandatory

[Baruch Siach]

Hi Sebastian,

On Mon, Nov 26, 2012 at 10:20:34AM +0100, Sebastian Hesselbarth wrote:

[...]

> diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c 
> b/drivers/pinctrl/mvebu/pinctrl-dove.c
> index 40c9c3e..90f257d 100644
> --- a/drivers/pinctrl/mvebu/pinctrl-dove.c
> +++ b/drivers/pinctrl/mvebu/pinctrl-dove.c
> @@ -595,8 +595,11 @@ static int __devinit dove_pinctrl_probe(struct platform_device *pdev)
>  	 * grab clk to make sure it is ticking.
>  	 */
>  	clk = devm_clk_get(&pdev->dev, NULL);
> -	if (!IS_ERR(clk))
> -		clk_prepare_enable(clk);
> +	if (IS_ERR(clk)) {
> +		dev_err(&pdev->dev, "Unable to get pdma clock");
> +		return -ENODEV;

Why not propagate the error up using PTR_RET(clk)?

baruch

> +	}
> +	clk_prepare_enable(clk);
>  
>  	return mvebu_pinctrl_probe(pdev);
>  }

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