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(parent: e087ae6) | patch
tty/serial: atmel: fix TX path in atmel_console_write()
authorNicolas Ferre <nicolas.ferre@microchip.com>
Mon, 20 Mar 2017 15:38:57 +0000 (16:38 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 8 Apr 2017 07:30:34 +0000 (09:30 +0200)
commit1f1c9e29651df61516b028c58632124b345ec85b
treeeb7258766d7c183009cf9e8e84b58c9f8fbbbb95tree | snapshot
parente087ae68e87b8187666ceac1c13ed50273fcd1e6commit | diff
tty/serial: atmel: fix TX path in atmel_console_write()

commit 497e1e16f45c70574dc9922c7f75c642c2162119 upstream.

A side effect of 89d8232411a8 ("tty/serial: atmel_serial: BUG: stop DMA
from transmitting in stop_tx") is that the console can be called with
TX path disabled. Then the system would hang trying to push charecters
out in atmel_console_putchar().

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Fixes: 89d8232411a8 ("tty/serial: atmel_serial: BUG: stop DMA from transmitting in stop_tx")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/atmel_serial.c diff | blob | history
Domain: System / Kernel;