[PATCH 3/5] tty/serial: Add GPIOLIB helpers for controlling modem lines

[Yegor Yefremov]

On 25.04.2014 16:52, Richard Genoud wrote:
> This patch add some helpers to control modem lines (CTS/RTS/DSR...) via
> GPIO.
> This will be useful for many boards which have a serial controller that
> only handle CTS/RTS pins (or even just RX/TX).
> 
> Signed-off-by: Richard Genoud <richard.genoud at gmail.com>
> Acked-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>

Tested-by: Yegor Yefremov <yegorslists at googlemail.com>

Yegor