diff --git a/drivers/ram/rockchip/sdram_rk3288.c b/drivers/ram/rockchip/sdram_rk3288.c
index 094ae36..a933abf 100644
--- a/drivers/ram/rockchip/sdram_rk3288.c
+++ b/drivers/ram/rockchip/sdram_rk3288.c
@@ -1015,7 +1015,7 @@
 #endif /* CONFIG_SPL_BUILD */
 
 #if CONFIG_IS_ENABLED(OF_PLATDATA)
-static int conv_of_platdata(struct udevice *dev)
+static int conv_of_plat(struct udevice *dev)
 {
 	struct rk3288_sdram_params *plat = dev_get_plat(dev);
 	struct dtd_rockchip_rk3288_dmc *of_plat = &plat->of_plat;
@@ -1028,9 +1028,8 @@
 	memcpy(&plat->base, of_plat->rockchip_sdram_params, sizeof(plat->base));
 	/* Rk3288 supports dual-channel, set default channel num to 2 */
 	plat->num_channels = 2;
-	ret = regmap_init_mem_platdata(dev, of_plat->reg,
-				       ARRAY_SIZE(of_plat->reg) / 2,
-				       &plat->map);
+	ret = regmap_init_mem_plat(dev, of_plat->reg,
+				   ARRAY_SIZE(of_plat->reg) / 2, &plat->map);
 	if (ret)
 		return ret;
 
@@ -1053,7 +1052,7 @@
 #if defined(CONFIG_TPL_BUILD) || \
 	(!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
 #if CONFIG_IS_ENABLED(OF_PLATDATA)
-	ret = conv_of_platdata(dev);
+	ret = conv_of_plat(dev);
 	if (ret)
 		return ret;
 #endif