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 <[email protected]>
Signed-off-by: YueHaibing <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
YueHaibing 2019-08-02 21:48:19 +08:00 • committed by Greg Kroah-Hartman
commit b0a523fa9e

View file

@ -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;