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(parent: 637ba54) | patch
tty/serial: atmel: fix RS485 half duplex with DMA
authorAlexandre Belloni <alexandre.belloni@free-electrons.com>
Fri, 27 May 2016 22:54:08 +0000 (00:54 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 25 Jun 2016 20:40:22 +0000 (13:40 -0700)
commit0058f0871efe7b01c6f2b3046c68196ab73e96da
tree7ac82c609e931a804409d339c2262ce3e0d748dftree | snapshot
parent637ba54f6051903e1f0011b75ee36b2a29696c6dcommit | diff
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>
drivers/tty/serial/atmel_serial.c diff | blob | history
Beck SC1x5 Kernel