Symbol: BD_SOT
drivers/usb/gadget/udc/bdc/bdc.h
221
#define MARK_CHAIN_BD (BD_CHAIN|BD_EOT|BD_SOT)
drivers/usb/gadget/udc/bdc/bdc_ep.c
452
dword3 |= BD_SOT|BD_SBF|(tfs<<BD_TFS_SHIFT);