linux-kernel - [PATCH -next] i2c: at91: Use devm_platform_get_and_ioremap

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Message-ID: <20200918082140.32258-1-bobo.shaobowang@huawei.com>
Date:   Fri, 18 Sep 2020 16:21:40 +0800
From:   Wang ShaoBo <bobo.shaobowang@...wei.com>
To:     unlisted-recipients:; (no To-header on input)
CC:     <cj.chengjian@...wei.com>, <huawei.libin@...wei.com>,
        <wsa@...-dreams.de>, <codrin.ciubotariu@...rochip.com>,
        <linux-i2c@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH -next] i2c: at91: Use devm_platform_get_and_ioremap_resource()

Make use of devm_platform_get_and_ioremap_resource() provided by
driver core platform instead of duplicated analogue.

Signed-off-by: Wang ShaoBo <bobo.shaobowang@...wei.com>
---
 drivers/i2c/busses/i2c-at91-core.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/i2c/busses/i2c-at91-core.c b/drivers/i2c/busses/i2c-at91-core.c
index e14edd236108..5b7781302852 100644
--- a/drivers/i2c/busses/i2c-at91-core.c
+++ b/drivers/i2c/busses/i2c-at91-core.c
@@ -207,19 +207,16 @@ static int at91_twi_probe(struct platform_device *pdev)
 
 	dev->dev = &pdev->dev;
 
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!mem)
-		return -ENODEV;
+	dev->base = devm_platform_get_and_ioremap_resource(pdev, 0, &mem);
+	if (IS_ERR(dev->base))
+		return PTR_ERR(dev->base);
+
 	phy_addr = mem->start;
 
 	dev->pdata = at91_twi_get_driver_data(pdev);
 	if (!dev->pdata)
 		return -ENODEV;
 
-	dev->base = devm_ioremap_resource(&pdev->dev, mem);
-	if (IS_ERR(dev->base))
-		return PTR_ERR(dev->base);
-
 	dev->irq = platform_get_irq(pdev, 0);
 	if (dev->irq < 0)
 		return dev->irq;
-- 
2.17.1