Merge branch 'master' into fix-warnings

src/device/dcd.h

@@ -106,7 +106,14 @@ typedef struct TU_ATTR_ALIGNED(4)
 void dcd_init       (uint8_t rhport);
 
 // Interrupt Handler
+#if __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wredundant-decls"
+#endif
 void dcd_int_handler(uint8_t rhport);
+#if __GNUC__
+#pragma GCC diagnostic pop
+#endif
 
 // Enable device interrupt
 void dcd_int_enable (uint8_t rhport);