tree d995b60b94ca7f7f6cfac2bf140107b35a23faa7
parent de384b44281a4485ffd79d134c09909dbe551928
author Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no> 1620649151 +0200
committer Carles Cufí <carles.cufi@nordicsemi.no> 1621261391 +0200

drivers: serial: nrf_uart: Disable uart when fifo_fill not used

Driver was failing when interrupt mode was enabled for given
instance but interrupt driven TX part was not used. In that
case uart was not disabled after sending a byte which resulted
in continuous interrupt triggering. Added check for
fifo_fill_lock which is set when uart_fifo_fill is used.

Signed-off-by: Krzysztof Chruscinski <krzysztof.chruscinski@nordicsemi.no>