| commit | abba9dd243b8864f19b8b2c8e09c15b5e988b632 | [log] [tgz] |
|---|---|---|
| author | Pali Rohár <pali@kernel.org> | Thu Jan 14 15:46:35 2021 +0100 |
| committer | Stefan Roese <sr@denx.de> | Wed Jan 27 13:12:51 2021 +0100 |
| tree | a1ee1c768bddd8b29ec0a7f7701235a10ac6ece9 | |
| parent | 09577aa6f530bcd3814eccca098bb15f8e061966 [diff] |
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>