linux-kernel - Re: [PATCH v2] pmdomain: mediatek: Use devm_platform_ioremap_resource() in init

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Message-ID: <CAPDyKFrVgHKXrps5wB3yhOK6JFdBeW8zzYHcQJC1RVs8PXJgOw@mail.gmail.com>
Date: Tue, 6 Feb 2024 15:55:24 +0100
From: Ulf Hansson <ulf.hansson@...aro.org>
To: Markus Elfring <Markus.Elfring@....de>
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>, linux-mediatek@...ts.infradead.org, 
	linux-arm-kernel@...ts.infradead.org, linux-pm@...r.kernel.org, 
	kernel-janitors@...r.kernel.org, 
	Angelo Gioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
	Heiko Stübner <heiko@...ech.de>, 
	Jernej Skrabec <jernej.skrabec@...il.com>, Matthias Brugger <matthias.bgg@...il.com>, 
	Rob Herring <robh@...nel.org>, LKML <linux-kernel@...r.kernel.org>, 
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: Re: [PATCH v2] pmdomain: mediatek: Use devm_platform_ioremap_resource()
 in init_scp()

On Tue, 6 Feb 2024 at 10:21, Markus Elfring <Markus.Elfring@....de> wrote:
>
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Tue, 6 Feb 2024 10:05:34 +0100
> Subject: [PATCH v2] pmdomain: mediatek: Use devm_platform_ioremap_resource() in init_scp()
>
> A wrapper function is available since the commit 7945f929f1a77a1c8887a97ca07f87626858ff42
> ("drivers: provide devm_platform_ioremap_resource()").
>
> * Thus reuse existing functionality instead of keeping duplicate source code.
>
> * Delete a local variable which became unnecessary with this refactoring.
>
>
> This issue was transformed by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>

Applied for next, thanks!

Kind regards
Uffe


> ---
>
> v2:
> The transformation pattern was adjusted based on advices by known contributors.
>
> Examples:
> * Doug Anderson
> * Geert Uytterhoeven
> * Robin Murphy
>
>
>  drivers/pmdomain/mediatek/mtk-scpsys.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/pmdomain/mediatek/mtk-scpsys.c b/drivers/pmdomain/mediatek/mtk-scpsys.c
> index b374d01fdac7..59a7a8c261ed 100644
> --- a/drivers/pmdomain/mediatek/mtk-scpsys.c
> +++ b/drivers/pmdomain/mediatek/mtk-scpsys.c
> @@ -425,7 +425,6 @@ static struct scp *init_scp(struct platform_device *pdev,
>                         bool bus_prot_reg_update)
>  {
>         struct genpd_onecell_data *pd_data;
> -       struct resource *res;
>         int i, j;
>         struct scp *scp;
>         struct clk *clk[CLK_MAX];
> @@ -441,8 +440,7 @@ static struct scp *init_scp(struct platform_device *pdev,
>
>         scp->dev = &pdev->dev;
>
> -       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -       scp->base = devm_ioremap_resource(&pdev->dev, res);
> +       scp->base = devm_platform_ioremap_resource(pdev, 0);
>         if (IS_ERR(scp->base))
>                 return ERR_CAST(scp->base);
>
> --
> 2.43.0
>