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

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Date:   Mon, 1 Apr 2019 05:13:02 +0000
From:   Anson Huang <anson.huang@....com>
To:     "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: [PATCH] clk: imx: use devm_platform_ioremap_resource() to simplify
 code

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>
---
 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;
 
-- 
2.7.4