linux-kernel - Re: [PATCH 2/4] soc: mediatek: mmsys: Use devm_platform_ioremap

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Date:   Wed, 7 Oct 2020 07:21:33 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        Collabora Kernel ML <kernel@...labora.com>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Nicolas Boichat <drinkcat@...omium.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>
Subject: Re: [PATCH 2/4] soc: mediatek: mmsys: Use devm_platform_ioremap_resource()

Enric Balletbo i Serra <enric.balletbo@...labora.com> 於 2020年10月7日 週三 上午3:33寫道：
>
> For the common platform_get_resource()+devm_platform_ioremap() combination,
> there is a helper, so use it and make the code a bit more compact.

Reviewed-by: Chun-Kuang Hu <chunkuang.hu@...iatek.com>

>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> ---
>
>  drivers/soc/mediatek/mtk-mmsys.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> index 36ad66bb221b..18f93979e14a 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> @@ -306,15 +306,12 @@ static int mtk_mmsys_probe(struct platform_device *pdev)
>         struct platform_device *clks;
>         struct platform_device *drm;
>         void __iomem *config_regs;
> -       struct resource *mem;
>         int ret;
>
> -       mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -       config_regs = devm_ioremap_resource(dev, mem);
> +       config_regs = devm_platform_ioremap_resource(pdev, 0);
>         if (IS_ERR(config_regs)) {
>                 ret = PTR_ERR(config_regs);
> -               dev_err(dev, "Failed to ioremap mmsys-config resource: %d\n",
> -                       ret);
> +               dev_err(dev, "Failed to ioremap mmsys registers: %d\n", ret);
>                 return ret;
>         }
>
> --
> 2.28.0
>