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-rw-r--r--src/device/dcd.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/device/dcd.h b/src/device/dcd.h
index 8bfad9b72..66767c1fe 100644
--- a/src/device/dcd.h
+++ b/src/device/dcd.h
@@ -152,6 +152,7 @@ bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff,
void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr);
// clear stall, data toggle is also reset to DATA0
+// This API never calls with control endpoints, since it is auto cleared when receiving setup packet
void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr);
//--------------------------------------------------------------------+