2 files changed, 11 insertions, 0 deletions
diff --git a/src/device/dcd.h b/src/device/dcd.h
index f82b8633d..4e9cfd5d5 100644
--- a/src/device/dcd.h
+++ b/src/device/dcd.h
@@ -189,6 +189,7 @@ TU_ATTR_WEAK bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t l
 
 // Configure and enable an ISO endpoint according to descriptor
 TU_ATTR_WEAK bool dcd_edpt_iso_activate(uint8_t rhport,  tusb_desc_endpoint_t const * p_endpoint_desc);
+
 //--------------------------------------------------------------------+
 // Event API (implemented by stack)
 //--------------------------------------------------------------------+
diff --git a/src/device/usbd.c b/src/device/usbd.c
index 409a5ec10..44c2530ce 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -252,9 +252,19 @@ static inline usbd_class_driver_t const * get_driver(uint8_t drvid)
     drvid -= _app_driver_count;
   }
 
+  // when there is no built-in drivers BUILTIN_DRIVER_COUNT = 0 will cause -Wtype-limits warning
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wtype-limits"
+#endif
+
   // Built-in drivers
   if (drvid < BUILTIN_DRIVER_COUNT) return &_usbd_driver[drvid];
 
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+
   return NULL;
 }