linux-kernel - Re: [PATCH v4] cdc-acm: ensure that termios get set when the port is activated

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Date:	Thu, 30 Oct 2014 15:48:58 +0100
From:	Johan Hovold <johan@...nel.org>
To:	Jim Paris <jim@...n.com>
Cc:	Johan Hovold <johan@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, Oliver Neukum <oliver@...kum.org>,
	linux-kernel@...r.kernel.org,
	Peter Hurley <peter@...leysoftware.com>
Subject: Re: [PATCH v4] cdc-acm: ensure that termios get set when the port is
 activated

On Thu, Oct 30, 2014 at 10:45:38AM -0400, Jim Paris wrote:
> The driver wasn't properly configuring the hardware for the current
> termios settings under all conditions.  Ensure that termios are
> written to the device when the port is activated.
> 
> Signed-off-by: Jim Paris <jim@...n.com>
> ---
> 
> Moved prototype.

You seem to have posted the old version again.

> ---
>  drivers/usb/class/cdc-acm.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
> index e934e19f49f5..d2cd1b6d02a7 100644
> --- a/drivers/usb/class/cdc-acm.c
> +++ b/drivers/usb/class/cdc-acm.c
> @@ -58,6 +58,9 @@ static struct usb_driver acm_driver;
>  static struct tty_driver *acm_tty_driver;
>  static struct acm *acm_table[ACM_TTY_MINORS];
>  
> +static void acm_tty_set_termios(struct tty_struct *tty,
> +				struct ktermios *termios_old);
> +
>  static DEFINE_MUTEX(acm_table_lock);

Johan
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