usb: gadget: r8a66597-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/20190904094738.7860-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/udc/r8a66597-udc.c b/drivers/usb/gadget/udc/r8a66597-udc.c
index 11e25a3..582a161 100644 (file)
--- a/drivers/usb/gadget/udc/r8a66597-udc.c
+++ b/drivers/usb/gadget/udc/r8a66597-udc.c
@@ -1838,7 +1838,7 @@ static int r8a66597_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
        char clk_name[8];
-       struct resource *res, *ires;
+       struct resource *ires;
        int irq;
        void __iomem *reg = NULL;
        struct r8a66597 *r8a66597 = NULL;
@@ -1846,8 +1846,7 @@ static int r8a66597_probe(struct platform_device *pdev)
        int i;
        unsigned long irq_trigger;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       reg = devm_ioremap_resource(&pdev->dev, res);
+       reg = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(reg))
                return PTR_ERR(reg);