diff --git a/drivers/soc/loongson/loongson2_guts.c b/drivers/soc/loongson/loongson2_guts.c
index bace4bc8e03b..d97c77a9a4a2 100644
--- a/drivers/soc/loongson/loongson2_guts.c
+++ b/drivers/soc/loongson/loongson2_guts.c
@@ -94,7 +94,6 @@ static int loongson2_guts_probe(struct platform_device *pdev)
 {
 	struct device_node *root, *np = pdev->dev.of_node;
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	const struct loongson2_soc_die_attr *soc_die;
 	const char *machine;
 	u32 svr;
@@ -106,8 +105,7 @@ static int loongson2_guts_probe(struct platform_device *pdev)
 
 	guts->little_endian = of_property_read_bool(np, "little-endian");
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	guts->regs = ioremap(res->start, res->end - res->start + 1);
+	guts->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(guts->regs))
 		return PTR_ERR(guts->regs);