diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
index 85a74c9ec521..a4387649ad7f 100644
--- a/drivers/remoteproc/mtk_scp.c
+++ b/drivers/remoteproc/mtk_scp.c
@@ -1027,7 +1027,7 @@ static int scp_map_memory_region(struct mtk_scp *scp)
 	int ret;
 	const struct mtk_scp_sizes_data *scp_sizes;
 
-	ret = of_reserved_mem_device_init(scp->dev);
+	ret = devm_of_reserved_mem_device_init(scp->dev);
 
 	/* reserved memory is optional. */
 	if (ret == -ENODEV) {
@@ -1060,7 +1060,6 @@ static void scp_unmap_memory_region(struct mtk_scp *scp)
 
 	dma_free_coherent(scp->dev, scp_sizes->max_dram_size, scp->cpu_addr,
 			  scp->dma_addr);
-	of_reserved_mem_device_release(scp->dev);
 }
 
 static int scp_register_ipi(struct platform_device *pdev, u32 id,