diff --git a/drivers/video/rockchip/mpp/mpp_rkvdec.c b/drivers/video/rockchip/mpp/mpp_rkvdec.c
index 3bca309aa77f..827b7fb86c9c 100644
--- a/drivers/video/rockchip/mpp/mpp_rkvdec.c
+++ b/drivers/video/rockchip/mpp/mpp_rkvdec.c
@@ -966,14 +966,14 @@ static int rkvdec_debugfs_remove(struct mpp_dev *mpp)
 static int rkvdec_debugfs_init(struct mpp_dev *mpp)
 {
 	struct rkvdec_dev *dec = to_rkvdec_dev(mpp);
-	struct device_node *np = mpp->dev->of_node;
 
 	dec->aclk_debug = 0;
 	dec->clk_core_debug = 0;
 	dec->clk_cabac_debug = 0;
 	dec->session_max_buffers_debug = 0;
 #ifdef CONFIG_DEBUG_FS
-	dec->debugfs = debugfs_create_dir(np->name, mpp->srv->debugfs);
+	dec->debugfs = debugfs_create_dir(mpp->dev->of_node->name,
+					  mpp->srv->debugfs);
 	if (IS_ERR_OR_NULL(dec->debugfs)) {
 		mpp_err("failed on open debugfs\n");
 		dec->debugfs = NULL;
diff --git a/drivers/video/rockchip/mpp/mpp_vdpu1.c b/drivers/video/rockchip/mpp/mpp_vdpu1.c
index f585a8c30364..35b000f793cc 100644
--- a/drivers/video/rockchip/mpp/mpp_vdpu1.c
+++ b/drivers/video/rockchip/mpp/mpp_vdpu1.c
@@ -441,13 +441,13 @@ static int vdpu_debugfs_remove(struct mpp_dev *mpp)
 static int vdpu_debugfs_init(struct mpp_dev *mpp)
 {
 	struct vdpu_dev *dec = to_vdpu_dev(mpp);
-	struct device_node *np = mpp->dev->of_node;
 
 	dec->aclk_debug = 0;
 	dec->session_max_buffers_debug = 0;
 
 #ifdef CONFIG_DEBUG_FS
-	dec->debugfs = debugfs_create_dir(np->name, mpp->srv->debugfs);
+	dec->debugfs = debugfs_create_dir(mpp->dev->of_node->name,
+					  mpp->srv->debugfs);
 	if (IS_ERR_OR_NULL(dec->debugfs)) {
 		mpp_err("failed on open debugfs\n");
 		dec->debugfs = NULL;
diff --git a/drivers/video/rockchip/mpp/mpp_vdpu2.c b/drivers/video/rockchip/mpp/mpp_vdpu2.c
index 1c6ba2e5d95b..d6200db3602e 100644
--- a/drivers/video/rockchip/mpp/mpp_vdpu2.c
+++ b/drivers/video/rockchip/mpp/mpp_vdpu2.c
@@ -403,12 +403,12 @@ static int vdpu_debugfs_remove(struct mpp_dev *mpp)
 static int vdpu_debugfs_init(struct mpp_dev *mpp)
 {
 	struct vdpu_dev *dec = to_vdpu_dev(mpp);
-	struct device_node *np = mpp->dev->of_node;
 
 	dec->aclk_debug = 0;
 	dec->session_max_buffers_debug = 0;
 #ifdef CONFIG_DEBUG_FS
-	dec->debugfs = debugfs_create_dir(np->name, mpp->srv->debugfs);
+	dec->debugfs = debugfs_create_dir(mpp->dev->of_node->name,
+					  mpp->srv->debugfs);
 	if (IS_ERR_OR_NULL(dec->debugfs)) {
 		mpp_err("failed on open debugfs\n");
 		dec->debugfs = NULL;
diff --git a/drivers/video/rockchip/mpp/mpp_vepu1.c b/drivers/video/rockchip/mpp/mpp_vepu1.c
index 20ef018e1797..acdacf992a4e 100644
--- a/drivers/video/rockchip/mpp/mpp_vepu1.c
+++ b/drivers/video/rockchip/mpp/mpp_vepu1.c
@@ -361,12 +361,12 @@ static int vepu_debugfs_remove(struct mpp_dev *mpp)
 static int vepu_debugfs_init(struct mpp_dev *mpp)
 {
 	struct vepu_dev *enc = to_vepu_dev(mpp);
-	struct device_node *np = mpp->dev->of_node;
 
 	enc->aclk_debug = 0;
 	enc->session_max_buffers_debug = 0;
 #ifdef CONFIG_DEBUG_FS
-	enc->debugfs = debugfs_create_dir(np->name, mpp->srv->debugfs);
+	enc->debugfs = debugfs_create_dir(mpp->dev->of_node->name,
+					  mpp->srv->debugfs);
 	if (IS_ERR_OR_NULL(enc->debugfs)) {
 		mpp_err("failed on open debugfs\n");
 		enc->debugfs = NULL;
diff --git a/drivers/video/rockchip/mpp/mpp_vepu2.c b/drivers/video/rockchip/mpp/mpp_vepu2.c
index 24785ab12b1a..d277607e893c 100644
--- a/drivers/video/rockchip/mpp/mpp_vepu2.c
+++ b/drivers/video/rockchip/mpp/mpp_vepu2.c
@@ -367,12 +367,12 @@ static int vepu_debugfs_remove(struct mpp_dev *mpp)
 static int vepu_debugfs_init(struct mpp_dev *mpp)
 {
 	struct vepu_dev *enc = to_vepu_dev(mpp);
-	struct device_node *np = mpp->dev->of_node;
 
 	enc->aclk_debug = 0;
 	enc->session_max_buffers_debug = 0;
 #ifdef CONFIG_DEBUG_FS
-	enc->debugfs = debugfs_create_dir(np->name, mpp->srv->debugfs);
+	enc->debugfs = debugfs_create_dir(mpp->dev->of_node->name,
+					  mpp->srv->debugfs);
 	if (IS_ERR_OR_NULL(enc->debugfs)) {
 		mpp_err("failed on open debugfs\n");
 		enc->debugfs = NULL;