linux-kernel - [PATCH] clk: imx: imx8qxp-lpcg: use devm_platform_ioremap

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Date:   Wed, 4 Dec 2019 10:14:45 +0000
From:   Peng Fan <peng.fan@....com>
To:     "sboyd@...nel.org" <sboyd@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        Abel Vesa <abel.vesa@....com>,
        Aisheng Dong <aisheng.dong@....com>
CC:     "kernel@...gutronix.de" <kernel@...gutronix.de>,
        dl-linux-imx <linux-imx@....com>,
        "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>,
        Leonard Crestez <leonard.crestez@....com>,
        Alice Guo <alice.guo@....com>, Peng Fan <peng.fan@....com>
Subject: [PATCH] clk: imx: imx8qxp-lpcg: use devm_platform_ioremap_resource

From: Peng Fan <peng.fan@....com>

devm_platform_ioremap_resource() wraps platform_get_resource() and
devm_ioremap_resource(), we could use this API to simplify the code.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/clk/imx/clk-imx8qxp-lpcg.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/imx/clk-imx8qxp-lpcg.c b/drivers/clk/imx/clk-imx8qxp-lpcg.c
index c0aff7ca6374..3f2c2b068c73 100644
--- a/drivers/clk/imx/clk-imx8qxp-lpcg.c
+++ b/drivers/clk/imx/clk-imx8qxp-lpcg.c
@@ -164,7 +164,6 @@ 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;
@@ -173,12 +172,9 @@ 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;
+		return PTR_ERR(base);
 
 	clk_data = devm_kzalloc(&pdev->dev, struct_size(clk_data, hws,
 				ss_lpcg->num_max), GFP_KERNEL);
-- 
2.16.4