-#ifdef DISABLE_TEST_MODE
- /* "test mode" seems to have become the default in later chip
- * revs, preventing double buffering (and invalidating docs).
- * this EXPERIMENT enables it for bulk endpoints by tweaking
- * undefined/reserved register bits (that other drivers clear).
- * Belcarra code comments noted this usage.
- */
- if (fifo_mode & 1) { /* IN endpoints */
- UDC_RES1 |= USIR0_IR1|USIR0_IR6;
- UDC_RES2 |= USIR1_IR11;
- }
- if (fifo_mode & 2) { /* OUT endpoints */
- UDC_RES1 |= USIR0_IR2|USIR0_IR7;
- UDC_RES2 |= USIR1_IR12;
- }
-#endif
-