linux-kernel - Re: [PATCH 2/2] soc: amlogic: meson-clk-measure: Make use of the helper function devm_platform_ioremap

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Date:   Wed, 8 Sep 2021 09:47:57 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Cai Huoqing <caihuoqing@...du.com>
Cc:     Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] soc: amlogic: meson-clk-measure: Make use of the
 helper function devm_platform_ioremap_resource()

On 08/09/2021 09:15, Cai Huoqing wrote:
> Use the devm_platform_ioremap_resource() helper instead of
> calling platform_get_resource() and devm_ioremap_resource()
> separately
> 
> Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
> ---
>  drivers/soc/amlogic/meson-clk-measure.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/soc/amlogic/meson-clk-measure.c b/drivers/soc/amlogic/meson-clk-measure.c
> index 6dd190270123..3f3039600357 100644
> --- a/drivers/soc/amlogic/meson-clk-measure.c
> +++ b/drivers/soc/amlogic/meson-clk-measure.c
> @@ -606,7 +606,6 @@ static int meson_msr_probe(struct platform_device *pdev)
>  {
>  	const struct meson_msr_id *match_data;
>  	struct meson_msr *priv;
> -	struct resource *res;
>  	struct dentry *root, *clks;
>  	void __iomem *base;
>  	int i;
> @@ -624,8 +623,7 @@ static int meson_msr_probe(struct platform_device *pdev)
>  
>  	memcpy(priv->msr_table, match_data, sizeof(priv->msr_table));
>  
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	base = devm_ioremap_resource(&pdev->dev, res);
> +	base = devm_platform_ioremap_resource(pdev, 0);
>  	if (IS_ERR(base))
>  		return PTR_ERR(base);
>  
> 

Reviewed-by: Neil Armstrong <narmstrong@...libre.com>