staging: emxx_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.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20191009150535.6412-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/emxx_udc/emxx_udc.c b/drivers/staging/emxx_udc/emxx_udc.c
index 147481b..9e0c19e 100644 (file)
--- a/drivers/staging/emxx_udc/emxx_udc.c
+++ b/drivers/staging/emxx_udc/emxx_udc.c
@@ -3078,7 +3078,6 @@ static int nbu2ss_drv_probe(struct platform_device *pdev)
 {
        int     status = -ENODEV;
        struct nbu2ss_udc       *udc;
-       struct resource *r;
        int irq;
        void __iomem *mmio_base;
 
@@ -3088,8 +3087,7 @@ static int nbu2ss_drv_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, udc);
 
        /* require I/O memory and IRQ to be provided as resources */
-       r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       mmio_base = devm_ioremap_resource(&pdev->dev, r);
+       mmio_base = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(mmio_base))
                return PTR_ERR(mmio_base);