net: mdio: mscc-miim: Use devm_platform_get_and_ioremap_resource()

Use devm_platform_get_and_ioremap_resource() to simplify
code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/mdio/mdio-mscc-miim.c b/drivers/net/mdio/mdio-mscc-miim.c
index b36e5ea..2d67e12 100644 (file)
--- a/drivers/net/mdio/mdio-mscc-miim.c
+++ b/drivers/net/mdio/mdio-mscc-miim.c
@@ -139,10 +139,6 @@ static int mscc_miim_probe(struct platform_device *pdev)
        struct mscc_miim_dev *dev;
        int ret;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res)
-               return -ENODEV;
-
        bus = devm_mdiobus_alloc_size(&pdev->dev, sizeof(*dev));
        if (!bus)
                return -ENOMEM;
@@ -155,7 +151,7 @@ static int mscc_miim_probe(struct platform_device *pdev)
        bus->parent = &pdev->dev;
 
        dev = bus->priv;
-       dev->regs = devm_ioremap_resource(&pdev->dev, res);
+       dev->regs = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
        if (IS_ERR(dev->regs)) {
                dev_err(&pdev->dev, "Unable to map MIIM registers\n");
                return PTR_ERR(dev->regs);