linux-kernel - [PATCH -next] w1: mxc_w1: use devm_platform_ioremap

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Message-ID: <20190802134819.9088-1-yuehaibing@huawei.com>
Date:   Fri, 2 Aug 2019 21:48:19 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <zbr@...emap.net>, <kstewart@...uxfoundation.org>,
        <tglx@...utronix.de>, <gregkh@...uxfoundation.org>,
        <rfontana@...hat.com>
CC:     <linux-kernel@...r.kernel.org>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] w1: mxc_w1: use devm_platform_ioremap_resource() to simplify code

Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/w1/masters/mxc_w1.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c
index c3b2095..1ca880e 100644
--- a/drivers/w1/masters/mxc_w1.c
+++ b/drivers/w1/masters/mxc_w1.c
@@ -92,7 +92,6 @@ static int mxc_w1_probe(struct platform_device *pdev)
 {
 	struct mxc_w1_device *mdev;
 	unsigned long clkrate;
-	struct resource *res;
 	unsigned int clkdiv;
 	int err;
 
@@ -120,8 +119,7 @@ static int mxc_w1_probe(struct platform_device *pdev)
 		dev_warn(&pdev->dev,
 			 "Incorrect time base frequency %lu Hz\n", clkrate);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	mdev->regs = devm_ioremap_resource(&pdev->dev, res);
+	mdev->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(mdev->regs)) {
 		err = PTR_ERR(mdev->regs);
 		goto out_disable_clk;
-- 
2.7.4