diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c
index ff9a73585..5654c5e98 100755
--- a/drivers/firmware/tegra/bpmp.c
+++ b/drivers/firmware/tegra/bpmp.c
@@ -25,6 +25,12 @@
 #define MSG_RING	BIT(1)
 #define TAG_SZ		32
 
+static inline struct tegra_bpmp *
+mbox_client_to_bpmp(struct mbox_client *client)
+{
+	return container_of(client, struct tegra_bpmp, mbox.client);
+}
+
 static inline const struct tegra_bpmp_ops *
 channel_to_ops(struct tegra_bpmp_channel *channel)
 {