linux-kernel - Re: [PATCH v3, 01/15] media: mtk-vcodec: Get numbers of register bases from DT

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Message-ID: <CA+Px+wUXmpT6TBOvD9J6ircLQ_X5D=bByOotfk+L7U+sXev3nQ@mail.gmail.com>
Date:   Fri, 30 Jul 2021 17:31:51 +0800
From:   Tzung-Bi Shih <tzungbi@...gle.com>
To:     Yunfei Dong <Yunfei.Dong@...iatek.com>
Cc:     Alexandre Courbot <acourbot@...omium.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Tzung-Bi Shih <tzungbi@...omium.org>,
        Tiffany Lin <tiffany.lin@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Tomasz Figa <tfiga@...gle.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Fritz Koenig <frkoenig@...omium.org>,
        Irui Wang <irui.wang@...iatek.com>,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        srv_heupstream@...iatek.com, linux-mediatek@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v3, 01/15] media: mtk-vcodec: Get numbers of register
 bases from DT

On Tue, Jul 27, 2021 at 06:10:37PM +0800, Yunfei Dong wrote:
> +static int mtk_vcodec_get_reg_bases(struct mtk_vcodec_dev *dev)
> +{
> +     struct platform_device *pdev = dev->plat_dev;
> +     int reg_num, i, ret = 0;
ret don't need to be initialized.

> +     for (i = 0; i < reg_num; i++) {
> +             dev->reg_base[i] = devm_platform_ioremap_resource(pdev, i);
> +             if (IS_ERR((__force void *)dev->reg_base[i])) {
> +                     return PTR_ERR((__force void *)dev->reg_base[i]);
> +             }
{ } can be removed.