linux-kernel - [PATCH] rtc: mxc_v2: use devm_platform_ioremap

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Date:   Wed, 17 Jul 2019 16:12:17 +0800
From:   Anson.Huang@....com
To:     a.zummo@...ertech.it, alexandre.belloni@...tlin.com,
        linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Linux-imx@....com
Subject: [PATCH] rtc: mxc_v2: use devm_platform_ioremap_resource() to simplify code

From: Anson Huang <Anson.Huang@....com>

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/rtc/rtc-mxc_v2.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/rtc/rtc-mxc_v2.c b/drivers/rtc/rtc-mxc_v2.c
index 5b970a8..9153456 100644
--- a/drivers/rtc/rtc-mxc_v2.c
+++ b/drivers/rtc/rtc-mxc_v2.c
@@ -279,7 +279,6 @@ static int mxc_rtc_wait_for_flag(void __iomem *ioaddr, int flag)
 static int mxc_rtc_probe(struct platform_device *pdev)
 {
 	struct mxc_rtc_data *pdata;
-	struct resource *res;
 	void __iomem *ioaddr;
 	int ret = 0;
 
@@ -287,8 +286,7 @@ static int mxc_rtc_probe(struct platform_device *pdev)
 	if (!pdata)
 		return -ENOMEM;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	pdata->ioaddr = devm_ioremap_resource(&pdev->dev, res);
+	pdata->ioaddr = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(pdata->ioaddr))
 		return PTR_ERR(pdata->ioaddr);
 
-- 
2.7.4