tree a1ee1c768bddd8b29ec0a7f7701235a10ac6ece9
parent ba8ae03eabfd41ecba5ab8000c54666dc6b9f89e
author Pali Rohár <pali@kernel.org> 1610635595 +0100
committer Stefan Roese <sr@denx.de> 1611749571 +0100

serial: a3720: Implement pending method for output direction

To check if some output characters are waiting either in Transmitter
Holding Register or Transmitter Shift Register we need to look at
TX_EMPTY bit of UART Status Register.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>