tty/serial/8250: fix RS485 half-duplex RX

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When in half-duplex mode RX will be disabled before TX, but not
enabled after deactivating transmitter. This patch enables
UART_IER_RLSI and UART_IER_RDI interrupts after TX is over.

Cc: Matwey V. Kornilov <matwey@sai.msu.ru>
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Fixes: e490c9144c ("tty: Add software emulated RS485 support for 8250")
Acked-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Yegor Yefremov 2016-03-24 09:03:45 +01:00 • committed by Greg Kroah-Hartman

parent 9220ebffda

commit 0c66940d58

1 changed files with 10 additions and 1 deletions

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drivers/tty/serial/8250/8250_port.c

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