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From:   Enric Balletbo Serra <eballetbo@gmail.com>
Date:   Wed, 6 May 2020 17:24:55 +0200
Message-ID: <CAFqH_531xmZDTCdF2=rHP7fu5=9w_CiOafHQKpcmjNwYBK+gnA@mail.gmail.com>
Subject: Re: [PATCH v2 3/5] [media] mtk-mdp: handle vpu_wdt_reg_handler()
 errors during probe
To:     Eizan Miyamoto <eizan@chromium.org>
Cc:     LKML <linux-kernel@vger.kernel.org>,
        Andrew-CT Chen <andrew-ct.chen@mediatek.com>,
        Minghsiu Tsai <minghsiu.tsai@mediatek.com>,
        Houlong Wei <houlong.wei@mediatek.com>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@lists.infradead.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        linux-media@vger.kernel.org
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Sender: linux-kernel-owner@vger.kernel.org
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Hi Eizan,

Thank you for your patch.

Missatge de Eizan Miyamoto <eizan@chromium.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@chromium.org

ditto, remove the above line.

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

Other than that:

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

>
> Changes in v1:
> - remove unnecessary error handling labels in favor of err_m2m_register
>
>  drivers/media/platform/mtk-mdp/mtk_mdp_core.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
> index 9b24b8d46eb7..17d155219ba2 100644
> --- a/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
> +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_core.c
> @@ -188,8 +188,12 @@ static int mtk_mdp_probe(struct platform_device *pdev)
>         }
>
>         mdp->vpu_dev = vpu_get_plat_device(pdev);
> -       vpu_wdt_reg_handler(mdp->vpu_dev, mtk_mdp_reset_handler, mdp,
> -                           VPU_RST_MDP);
> +       ret = vpu_wdt_reg_handler(mdp->vpu_dev, mtk_mdp_reset_handler, mdp,
> +                                 VPU_RST_MDP);
> +       if (ret) {
> +               dev_err(&pdev->dev, "Failed to register reset handler\n");
> +               goto err_m2m_register;
> +       }
>
>         platform_set_drvdata(pdev, mdp);
>
> --
> 2.26.2.526.g744177e7f7-goog
>
>
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