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Date:   Wed, 6 May 2020 17:22:19 +0200
From:   Enric Balletbo Serra <eballetbo@...il.com>
To:     Eizan Miyamoto <eizan@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Minghsiu Tsai <minghsiu.tsai@...iatek.com>,
        Houlong Wei <houlong.wei@...iatek.com>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-media@...r.kernel.org
Subject: Re: [PATCH v2 2/5] [media] mtk-mdp: handle vb2_dma_contig_set_max_seg_size
 errors during probe

Hi Eizan,

Thank you for your patch.

Missatge de Eizan Miyamoto <eizan@...omium.org> del dia dc., 6 de maig
2020 a les 7:51:
>
> This is a cleanup to better handle errors during MDP probe.
>
> Signed-off-by: eizan@...omium.org

As I commented on the first patch you should drop the above line.

> Signed-off-by: Eizan Miyamoto <eizan@...omium.org>

Other than that:

Reviewed-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>

> ---
>
> Changes in v1:
> - remove unnecessary error handling labels in favor of err_m2m_register
>
>  drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 6 +++++-
>  1 file changed, 5 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..9b24b8d46eb7 100644
> --- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
> +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
> @@ -193,7 +193,11 @@ 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_m2m_register;
> +       }
>
>         pm_runtime_enable(dev);
>         dev_dbg(dev, "mdp-%d registered successfully\n", mdp->id);
> --
> 2.26.2.526.g744177e7f7-goog
>
>
> _______________________________________________
> Linux-mediatek mailing list
> Linux-mediatek@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-mediatek

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