linux-kernel - Re: [PATCH v5 16/17] tty: serdev-ttyport: return actual baudrate from ttyport_set

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Date:   Wed, 17 May 2017 13:58:05 +0200
From:   Stefan Wahren <stefan.wahren@...e.com>
To:     Rob Herring <robh@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Mark Rutland <mark.rutland@....com>, Jiri Slaby <jslaby@...e.com>,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        Lino Sanfilippo <LinoSanfilippo@....de>,
        Jakub Kicinski <kubakici@...pl>
Subject: Re: [PATCH v5 16/17] tty: serdev-ttyport: return actual baudrate from
 ttyport_set_baudrate

Hi Greg,

Am 10.05.2017 um 10:53 schrieb Stefan Wahren:
> Instead of returning the requested baudrate, we better return the
> actual one because it isn't always the same.
>
> Signed-off-by: Stefan Wahren <stefan.wahren@...e.com>
> Acked-by: Rob Herring <robh@...nel.org>
> ---
>  drivers/tty/serdev/serdev-ttyport.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c
> index 487c88f..2cfdf34 100644
> --- a/drivers/tty/serdev/serdev-ttyport.c
> +++ b/drivers/tty/serdev/serdev-ttyport.c
> @@ -151,7 +151,7 @@ static unsigned int ttyport_set_baudrate(struct serdev_controller *ctrl, unsigne
>  
>  	/* tty_set_termios() return not checked as it is always 0 */
>  	tty_set_termios(tty, &ktermios);
> -	return speed;
> +	return ktermios.c_ospeed;
>  }
>  
>  static void ttyport_set_flow_control(struct serdev_controller *ctrl, bool enable)

there is no dependency to this series. I would be happy if this could be
applied, so i don't have to carry it for the next version.

Thanks
Stefan