clk: sunxi: sun6i-apb0-gates: 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 <caihuoqing@baidu.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210907085305.5019-1-caihuoqing@baidu.com

drivers/clk/sunxi/clk-sun6i-apb0-gates.c

@@ -40,7 +40,6 @@ static int sun6i_a31_apb0_gates_clk_probe(struct platform_device *pdev)
 	const struct gates_data *data;
 	const char *clk_parent;
 	const char *clk_name;
-	struct resource *r;
 	void __iomem *reg;
 	int ngates;
 	int i;
@@ -53,8 +52,7 @@ static int sun6i_a31_apb0_gates_clk_probe(struct platform_device *pdev)
 	if (!data)
 		return -ENODEV;
 
-	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);