clk: sunxi: sun6i-ar100: Make use of the helper function devm_platform_ioremap_resource()

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <[email protected]>
Signed-off-by: Maxime Ripard <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: caihuoqing1990

drivers/clk/sunxi/clk-sun6i-ar100.c

@@ -71,12 +71,10 @@ static DEFINE_SPINLOCK(sun6i_ar100_lock);
 static int sun6i_a31_ar100_clk_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
-	struct resource *r;
 	void __iomem *reg;
 	struct clk *clk;
 
-	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	reg = devm_ioremap_resource(&pdev->dev, r);
+	reg = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(reg))
 		return PTR_ERR(reg);