usb: gadget: at91_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/20190904090239.23920-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/udc/at91_udc.c b/drivers/usb/gadget/udc/at91_udc.c
index 194ffb1..1b2b548 100644 (file)
--- a/drivers/usb/gadget/udc/at91_udc.c
+++ b/drivers/usb/gadget/udc/at91_udc.c
@@ -1808,7 +1808,6 @@ static int at91udc_probe(struct platform_device *pdev)
        struct device   *dev = &pdev->dev;
        struct at91_udc *udc;
        int             retval;
-       struct resource *res;
        struct at91_ep  *ep;
        int             i;
 
@@ -1839,8 +1838,7 @@ static int at91udc_probe(struct platform_device *pdev)
                        ep->is_pingpong = 1;
        }
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       udc->udp_baseaddr = devm_ioremap_resource(dev, res);
+       udc->udp_baseaddr = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(udc->udp_baseaddr))
                return PTR_ERR(udc->udp_baseaddr);