linux-kernel - Re: [PATCH] Fix ia64 simserial.c for Ldisc revamp

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Date:	Fri, 11 Jul 2008 09:50:31 -0400
From:	Alan Cox <alan@...hat.com>
To:	"Luck, Tony" <tony.luck@...el.com>
Cc:	"alan@...hat.com" <alan@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Fix ia64 simserial.c for Ldisc revamp

On Thu, Jul 10, 2008 at 01:46:49PM -0700, Luck, Tony wrote:
> This driver is "hidden" in arch/ia64 ... so it didn't get updated
> by the Ldisc revamp.
> 
> Signed-off-by: Tony Luck <tony.luck@...el.com>
> 
> 
> @@ -354,8 +354,8 @@ static void rs_flush_buffer(struct tty_struct *tty)
>         wake_up_interruptible(&tty->write_wait);
> 
>         if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) &&
> -           tty->ldisc.write_wakeup)
> -               (tty->ldisc.write_wakeup)(tty);
> +           tty->ldisc.ops->write_wakeup)
> +               (tty->ldisc.ops->write_wakeup)(tty);

We have a tty_wakeup method, drivers shouldn't be poking around in
tty flags any more

> -       if (tty->ldisc.flush_buffer) tty->ldisc.flush_buffer(tty);
> +       if (tty->ldisc.ops->flush_buffer) tty->ldisc.ops->flush_buffer(tty);

And we have a method for that too 8)
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