linux-kernel - [PATCH -next] gpio: creg-snps: use devm_platform_ioremap

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Message-ID: <20190906131032.22148-1-yuehaibing@huawei.com>
Date:   Fri, 6 Sep 2019 21:10:32 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <Eugeniy.Paltsev@...opsys.com>, <linus.walleij@...aro.org>,
        <bgolaszewski@...libre.com>
CC:     <linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] gpio: creg-snps: use devm_platform_ioremap_resource() to simplify code

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

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/gpio/gpio-creg-snps.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-creg-snps.c b/drivers/gpio/gpio-creg-snps.c
index 8cbc94d..ff19a8a 100644
--- a/drivers/gpio/gpio-creg-snps.c
+++ b/drivers/gpio/gpio-creg-snps.c
@@ -137,7 +137,6 @@ static int creg_gpio_probe(struct platform_device *pdev)
 	const struct of_device_id *match;
 	struct device *dev = &pdev->dev;
 	struct creg_gpio *hcg;
-	struct resource *mem;
 	u32 ngpios;
 	int ret;
 
@@ -145,8 +144,7 @@ static int creg_gpio_probe(struct platform_device *pdev)
 	if (!hcg)
 		return -ENOMEM;
 
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	hcg->regs = devm_ioremap_resource(dev, mem);
+	hcg->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(hcg->regs))
 		return PTR_ERR(hcg->regs);
 
-- 
2.7.4