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@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190904094033.19652-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c
index 7a0e9a58c2d8403bacdcbad08939b2a4453074a8..c63383221b5aca665336f1792b69bec98185e549 100644 (file)
--- 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);