cnc@cnc:~/mesaflash$ ./mesaflash --device 7i92 --addr 10.10.10.10 --write 7i92_fallback.bit
Checking file... OK
  File type: Xilinx bit file
Boot sector OK
FLASH memory sectors to write: 6, max sectors in area: 16
Erasing FLASH memory sectors starting from 0x100000...
  |EEEEEE
Programming FLASH memory sectors starting from 0x100000...
  |WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW
Board configuration updated successfully.
Checking file... OK
  File type: Xilinx bit file
Boot sector OK
Verifying FLASH memory sectors starting from 0x100000...
  |VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV
Board configuration verified successfully.

You must power cycle the hardware or use the --reload command to load a new firmware.
cnc@cnc:~/mesaflash$ ./mesaflash --device 7i92 --addr 10.10.10.10 --reload
cnc@cnc:~/mesaflash$ ./mesaflash --device 7i92 --addr 10.10.10.10 --write 7i92_7i77x2.bit
Checking file... OK
  File type: Xilinx bit file
Boot sector OK
FLASH memory sectors to write: 6, max sectors in area: 16
Erasing FLASH memory sectors starting from 0x100000...
  |EEEEEE
Programming FLASH memory sectors starting from 0x100000...
  |WWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW
Board configuration updated successfully.
Checking file... OK
  File type: Xilinx bit file
Boot sector OK
Verifying FLASH memory sectors starting from 0x100000...
  |VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV
Board configuration verified successfully.

You must power cycle the hardware or use the --reload command to load a new firmware.
cnc@cnc:~/mesaflash$ ./mesaflash --device 7i92 --addr 10.10.10.10 --reload
cnc@cnc:~/mesaflash$ ./mesaflash --version
Mesaflash version 3.4.3
cnc@cnc:~/mesaflash$