Re: [resend PATCH v6 05/12] media: mtk-mdp: Check return value of of_clk_get

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Hi Matthias,

On 7/12/19 23:47, matthias.bgg@xxxxxxxxxx wrote:
> From: Matthias Brugger <mbrugger@xxxxxxxx>
> 
> Check the return value of of_clk_get and print an error
> message if not EPROBE_DEFER.
> 
> Signed-off-by: Matthias Brugger <mbrugger@xxxxxxxx>
> ---
>  drivers/media/platform/mtk-mdp/mtk_mdp_comp.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
> index 9afe8161a8c0..4e2fc1337b80 100644
> --- a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
> +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.c
> @@ -110,6 +110,12 @@ int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
>  
>  	for (i = 0; i < ARRAY_SIZE(comp->clk); i++) {
>  		comp->clk[i] = of_clk_get(node, i);
> +		if (IS_ERR(comp->clk[i])i) {

Oops                                    ^

> +			if (PTR_ERR(comp->clk[i] != -EPROBE_DEFER)

and missing closing )

> +					dev_err(dev, "Failed to get clock\n");

Like the previous patch I think that the clk core will print a message if the
clock is not found and you can just this redundand dev_err.

> +
> +			return PTR_ERR(comp->clk[i]);
> +		}
>  
>  		/* Only RDMA needs two clocks */
>  		if (comp->type != MTK_MDP_RDMA)
> 



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