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| /openbmc/linux/drivers/tty/serial/ |
| H A D | atmel_serial.c | diff 0058f0871efe7b01c6f2b3046c68196ab73e96da Fri May 27 17:54:08 CDT 2016 Alexandre Belloni <alexandre.belloni@free-electrons.com> tty/serial: atmel: fix RS485 half duplex with DMA
When using DMA, half duplex doesn't work properly because rx is not stopped
before starting tx. Ensure we call atmel_stop_rx() in the DMA case.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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