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);