linux-kernel - Re: [PATCH] mediatek/clk-mt8173-apmixedsys: convert to devm_platform_ioremap

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Date:   Thu, 13 Apr 2023 11:40:22 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Hao Ge <gehao@...inos.cn>, matthias.bgg@...il.com,
        mturquette@...libre.com
Cc:     gehao@...inos.cn, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] mediatek/clk-mt8173-apmixedsys: convert to devm_platform_ioremap_resource

Quoting Hao Ge (2023-04-13 02:01:28)
> diff --git a/drivers/clk/mediatek/clk-mt8173-apmixedsys.c b/drivers/clk/mediatek/clk-mt8173-apmixedsys.c
> index a56c5845d07a..fe386bf8225d 100644
> --- a/drivers/clk/mediatek/clk-mt8173-apmixedsys.c
> +++ b/drivers/clk/mediatek/clk-mt8173-apmixedsys.c
> @@ -90,7 +90,7 @@ static int clk_mt8173_apmixed_probe(struct platform_device *pdev)
>         struct clk_hw *hw;
>         int r;
>  
> -       base = of_iomap(node, 0);
> +       base = devm_platform_ioremap_resource(pdev, 0);
>         if (!base)

This needs to be updated.

>                 return PTR_ERR(base);

And PTR_ERR(NULL) is 0, which is wrong.