Re: [PATCH 3/3 v6] tty/serial/8250: use mctrl_gpio helpers

[Mika Westerberg]

On Thu, Jun 13, 2019 at 05:45:42PM +0200, Stefan Roese wrote:
> From: Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx>
> 
> This patch permits the usage for GPIOs to control
> the CTS/RTS/DTR/DSR/DCD/RI signals.
> 
> Changed by Stefan:
> Only call mctrl_gpio_init(), if the device has no ACPI companion device
> to not break existing ACPI based systems. Also only use the mctrl_gpio_
> functions when "gpios" is available.
> 
> Use MSR / MCR <-> TIOCM wrapper functions.
> 
> Signed-off-by: Yegor Yefremov <yegorslists@xxxxxxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Stefan Roese <sr@xxxxxxx>
> Cc: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>

Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>