BD_SOT            221 drivers/usb/gadget/udc/bdc/bdc.h #define MARK_CHAIN_BD	(BD_CHAIN|BD_EOT|BD_SOT)
BD_SOT            453 drivers/usb/gadget/udc/bdc/bdc_ep.c 			dword3 |= BD_SOT|BD_SBF|(tfs<<BD_TFS_SHIFT);