diff --git a/drivers/devfreq/rockchip_dmc.c b/drivers/devfreq/rockchip_dmc.c
index abce67b26bfe..f6990f1df586 100644
--- a/drivers/devfreq/rockchip_dmc.c
+++ b/drivers/devfreq/rockchip_dmc.c
@@ -186,6 +186,12 @@ void rockchip_dmcfreq_lock(void)
 }
 EXPORT_SYMBOL(rockchip_dmcfreq_lock);
 
+void rockchip_dmcfreq_lock_nested(void)
+{
+	down_read_nested(&rockchip_dmcfreq_sem, SINGLE_DEPTH_NESTING);
+}
+EXPORT_SYMBOL(rockchip_dmcfreq_lock_nested);
+
 void rockchip_dmcfreq_unlock(void)
 {
 	up_read(&rockchip_dmcfreq_sem);
diff --git a/include/soc/rockchip/rockchip_dmc.h b/include/soc/rockchip/rockchip_dmc.h
index a73d30240172..b2a74003bd3c 100644
--- a/include/soc/rockchip/rockchip_dmc.h
+++ b/include/soc/rockchip/rockchip_dmc.h
@@ -33,6 +33,7 @@
 
 #ifdef CONFIG_ARM_ROCKCHIP_DMC_DEVFREQ
 void rockchip_dmcfreq_lock(void);
+void rockchip_dmcfreq_lock_nested(void);
 void rockchip_dmcfreq_unlock(void);
 int rockchip_dmcfreq_wait_complete(void);
 int rockchip_dmcfreq_vop_bandwidth_request(struct devfreq *devfreq,
@@ -46,6 +47,10 @@ static inline void rockchip_dmcfreq_lock(void)
 {
 }
 
+static inline void rockchip_dmcfreq_lock_nested(void)
+{
+}
+
 static inline void rockchip_dmcfreq_unlock(void)
 {
 }