linux-kernel - [PATCH -next] usb: gadget: gr_udc: use devm_platform_ioremap

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Date:   Wed, 4 Sep 2019 17:40:33 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <balbi@...nel.org>, <gregkh@...uxfoundation.org>,
        <yuehaibing@...wei.com>, <swboyd@...omium.org>
CC:     <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] usb: gadget: gr_udc: 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/usb/gadget/udc/gr_udc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c
index 7a0e9a5..c633832 100644
--- a/drivers/usb/gadget/udc/gr_udc.c
+++ b/drivers/usb/gadget/udc/gr_udc.c
@@ -2118,7 +2118,6 @@ static int gr_request_irq(struct gr_udc *dev, int irq)
 static int gr_probe(struct platform_device *pdev)
 {
 	struct gr_udc *dev;
-	struct resource *res;
 	struct gr_regs __iomem *regs;
 	int retval;
 	u32 status;
@@ -2128,8 +2127,7 @@ static int gr_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	dev->dev = &pdev->dev;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	regs = devm_ioremap_resource(dev->dev, res);
+	regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(regs))
 		return PTR_ERR(regs);
 
-- 
2.7.4