EDAC/dmc520: Use devm_platform_ioremap_resource()

platform_get_resource() and devm_ioremap_resource() are wrapped up in the
devm_platform_ioremap_resource() helper. Use the helper and get rid of the
local variable for struct resource *.
Signed-off-by: Jai Arora <jai.arora@samsung.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240618110226.97395-1-jai.arora@samsung.com

drivers/edac/dmc520_edac.c

@@ -480,7 +480,6 @@ static int dmc520_edac_probe(struct platform_device *pdev)
 	struct mem_ctl_info *mci;
 	void __iomem *reg_base;
 	u32 irq_mask_all = 0;
-	struct resource *res;
 	struct device *dev;
 	int ret, idx, irq;
 	u32 reg_val;
@@ -505,8 +504,7 @@ static int dmc520_edac_probe(struct platform_device *pdev)
 	}
 
 	/* Initialize dmc520 edac */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	reg_base = devm_ioremap_resource(dev, res);
+	reg_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(reg_base))
 		return PTR_ERR(reg_base);