Symbol: UFTDI_PIPE_BUSY
usr/src/uts/common/io/usb/clients/usbser/usbftdi/uftdi_dsd.c
1823
uf->uf_bulkin_state = UFTDI_PIPE_BUSY;
usr/src/uts/common/io/usb/clients/usbser/usbftdi/uftdi_dsd.c
1910
uf->uf_bulkout_state = UFTDI_PIPE_BUSY;