w1: mxc_w1: 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/20190802134819.9088-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c
index c3b2095ef6a97a97b6fd4870a81275d1a033118d..1ca880e01476951bb9b38702c51b651d7871b6ca 100644 (file)
--- a/drivers/w1/masters/mxc_w1.c
+++ b/drivers/w1/masters/mxc_w1.c
@@ -92,7 +92,6 @@ static int mxc_w1_probe(struct platform_device *pdev)
 {
        struct mxc_w1_device *mdev;
        unsigned long clkrate;
-       struct resource *res;
        unsigned int clkdiv;
        int err;
 
@@ -120,8 +119,7 @@ static int mxc_w1_probe(struct platform_device *pdev)
                dev_warn(&pdev->dev,
                         "Incorrect time base frequency %lu Hz\n", clkrate);
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       mdev->regs = devm_ioremap_resource(&pdev->dev, res);
+       mdev->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(mdev->regs)) {
                err = PTR_ERR(mdev->regs);
                goto out_disable_clk;