From: Chunyan Zhang Date: Wed, 22 May 2019 01:15:01 +0000 (+0800) Subject: clk: sprd: Switch from of_iomap() to devm_ioremap_resource() X-Git-Tag: v5.4-rc1~535^2~1^5~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=69b39d2503af55e3a2ac3130c95855ac185bb70d;p=platform%2Fkernel%2Flinux-rpi.git clk: sprd: Switch from of_iomap() to devm_ioremap_resource() devm_ioremap_resources() automatically requests resources and devm_ wrappers do better error handling and unmapping of the I/O region when needed, that would make drivers more clean and simple. Signed-off-by: Chunyan Zhang Reviewed-by: Baolin Wang Signed-off-by: Stephen Boyd --- diff --git a/drivers/clk/sprd/common.c b/drivers/clk/sprd/common.c index e038b044..9ce6909 100644 --- a/drivers/clk/sprd/common.c +++ b/drivers/clk/sprd/common.c @@ -42,6 +42,7 @@ int sprd_clk_regmap_init(struct platform_device *pdev, void __iomem *base; struct device_node *node = pdev->dev.of_node; struct regmap *regmap; + struct resource *res; if (of_find_property(node, "sprd,syscon", NULL)) { regmap = syscon_regmap_lookup_by_phandle(node, "sprd,syscon"); @@ -50,7 +51,11 @@ int sprd_clk_regmap_init(struct platform_device *pdev, return PTR_ERR(regmap); } } else { - base = of_iomap(node, 0); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); + regmap = devm_regmap_init_mmio(&pdev->dev, base, &sprdclk_regmap_config); if (IS_ERR_OR_NULL(regmap)) {