serial: imx: Only wakeup via RTSDEN bit if the system has RTS/CTS

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commit 38b1f0fb42 upstream.

The wakeup mechanism via RTSDEN bit relies on the system using the RTS/CTS
lines, so only allow such wakeup method when the system actually has
RTS/CTS support.

Fixes: bc85734b12 ("serial: imx: allow waking up on RTSD")
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Martin Kaiser <martin@kaiser.cx>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Fabio Estevam 2018-01-04 15:58:34 -02:00 • committed by Greg Kroah-Hartman

parent 150becd9a3

commit 68c610bf1e

1 changed files with 8 additions and 6 deletions

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drivers/tty/serial/imx.c

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