diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index 9dd02160cca9..6d515eb67ea7 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -797,7 +797,7 @@ static void mtu3_hw_exit(struct mtu3 *mtu)
 	mtu3_mem_free(mtu);
 }
 
-/**
+/*
  * we set 32-bit DMA mask by default, here check whether the controller
  * supports 36-bit DMA or not, if it does, set 36-bit DMA mask.
  */