Re: [PATCH] serial: speed setup failure reporting

From: Andrew Morton
Date: Thu Jan 10 2008 - 01:23:50 EST


On Thu, 3 Jan 2008 16:55:07 +0000 Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:

> Invalid speeds are forced to 9600. Update the code for this to encode new
> style baud rates properly.
>
> Signed-off-by: Alan Cox <alan@xxxxxxxxxx>
>
> diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.24-rc6-mm1/drivers/serial/serial_core.c linux-2.6.24-rc6-mm1/drivers/serial/serial_core.c
> --- linux.vanilla-2.6.24-rc6-mm1/drivers/serial/serial_core.c 2008-01-02 16:04:23.000000000 +0000
> +++ linux-2.6.24-rc6-mm1/drivers/serial/serial_core.c 2008-01-02 16:17:50.000000000 +0000
> @@ -372,7 +372,8 @@
> */
> termios->c_cflag &= ~CBAUD;
> if (old) {
> - termios->c_cflag |= old->c_cflag & CBAUD;
> + baud = tty_termios_baud_rate(old);
> + tty_termios_encode_baud_rate(termios, baud, baud);
> old = NULL;
> continue;
> }
> @@ -381,7 +382,7 @@
> * As a last resort, if the quotient is zero,
> * default to 9600 bps
> */
> - termios->c_cflag |= B9600;
> + tty_termios_encode_baud_rate(termios, 9600, 9600);
> }
>
> return 0;

Is this a 2.6.24 thing?
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