Re: [PATCH v1 2/5] [media] mtk-mdp: handle vb2_dma_contig_set_max_seg_size errors during probe

[Enric Balletbo Serra]

Hi Eizan,

Thank you for your patch.

Missatge de Eizan Miyamoto <eizan@xxxxxxxxxxxx> del dia dt., 5 de maig
2020 a les 6:01:
>
> This is a cleanup to better handle errors during MDP probe.
>
> Signed-off-by: eizan@xxxxxxxxxxxx
> Signed-off-by: Eizan Miyamoto <eizan@xxxxxxxxxx>

Same comment as the first patch. You should probably fix your configuration.

> ---
>
>  drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
> index aeaed2cf4458..c20ac7681c6f 100644
> --- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
> +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
> @@ -193,13 +193,19 @@ static int mtk_mdp_probe(struct platform_device *pdev)
>
>         platform_set_drvdata(pdev, mdp);
>
> -       vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
> +       ret = vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
> +       if (ret) {
> +               dev_err(&pdev->dev, "Failed to set vb2 dma mag seg size\n");
> +               goto err_set_max_seg_size;

You don't need to introduce a new label, just goto err_m2m_register



> +       }
>
>         pm_runtime_enable(dev);
>         dev_dbg(dev, "mdp-%d registered successfully\n", mdp->id);
>
>         return 0;
>
> +err_set_max_seg_size:
> +
>  err_m2m_register:
>         v4l2_device_unregister(&mdp->v4l2_dev);
>
> --
> 2.26.2.526.g744177e7f7-goog
>
>
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