Re: [PATCH v1] PM / devfreq: exynos-nocp : Handle return value of clk_prepare_enable

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Hi Arvind,

On 2017년 05월 19일 19:50, Arvind Yadav wrote:
> clk_prepare_enable() can fail here and we must check its return value.
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
> ---
>  drivers/devfreq/event/exynos-nocp.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/devfreq/event/exynos-nocp.c b/drivers/devfreq/event/exynos-nocp.c
> index 5c3e7b1..f6e7956 100644
> --- a/drivers/devfreq/event/exynos-nocp.c
> +++ b/drivers/devfreq/event/exynos-nocp.c
> @@ -267,7 +267,11 @@ static int exynos_nocp_probe(struct platform_device *pdev)
>  	}
>  	platform_set_drvdata(pdev, nocp);
>  
> -	clk_prepare_enable(nocp->clk);
> +	ret = clk_prepare_enable(nocp->clk);
> +	if (ret) {
> +		dev_err(&pdev->dev, "failed to prepare ppmu clock\n");
> +		return ret;
> +	}

I already replied from the similar patch. Thanks.

>  
>  	pr_info("exynos-nocp: new NoC Probe device registered: %s\n",
>  			dev_name(dev));
> 


-- 
Best Regards,
Chanwoo Choi
Samsung Electronics
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