linux-kernel - Re: [PATCH] clk: imx: use devm_platform_ioremap

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Message-ID: <dcc9270b-6764-1a39-5953-896851bc601b@codeaurora.org>
Date:   Mon, 1 Apr 2019 13:34:38 +0530
From:   Mukesh Ojha <mojha@...eaurora.org>
To:     Anson Huang <anson.huang@....com>,
        "mturquette@...libre.com" <mturquette@...libre.com>,
        "sboyd@...nel.org" <sboyd@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        Aisheng Dong <aisheng.dong@....com>,
        "weiyongjun1@...wei.com" <weiyongjun1@...wei.com>,
        "robh@...nel.org" <robh@...nel.org>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc:     dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH] clk: imx: use devm_platform_ioremap_resource() to
 simplify code


On 4/1/2019 10:43 AM, Anson Huang wrote:
> Use the new helper devm_platform_ioremap_resource() which wraps the
> platform_get_resource() and devm_ioremap_resource() together, to
> simplify the code.
>
> Signed-off-by: Anson Huang <Anson.Huang@....com>
Reviewed-by: Mukesh Ojha <mojha@...eaurora.org>

Cheers,
-Mukesh

> ---
>   drivers/clk/imx/clk-imx8qxp-lpcg.c | 6 +-----
>   1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c b/drivers/clk/imx/clk-imx8qxp-lpcg.c
> index fb6edf1..c711654 100644
> --- a/drivers/clk/imx/clk-imx8qxp-lpcg.c
> +++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c
> @@ -159,7 +159,6 @@ static int imx8qxp_lpcg_clk_probe(struct platform_device *pdev)
>   	struct clk_hw_onecell_data *clk_data;
>   	const struct imx8qxp_ss_lpcg *ss_lpcg;
>   	const struct imx8qxp_lpcg_data *lpcg;
> -	struct resource *res;
>   	struct clk_hw **clks;
>   	void __iomem *base;
>   	int i;
> @@ -168,10 +167,7 @@ static int imx8qxp_lpcg_clk_probe(struct platform_device *pdev)
>   	if (!ss_lpcg)
>   		return -ENODEV;
>   
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res)
> -		return -EINVAL;
> -	base = devm_ioremap(dev, res->start, resource_size(res));
> +	base = devm_platform_ioremap_resource(pdev, 0);
>   	if (!base)
>   		return -ENOMEM;
>