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Message-ID: <20081128135837.16a09068@lxorguk.ukuu.org.uk>
Date: Fri, 28 Nov 2008 13:58:37 +0000
From: Alan Cox <alan@...rguk.ukuu.org.uk>
To: Tilman Schmidt <tilman@...p.cc>
Cc: Rodolfo Giometti <giometti@...ux.it>, linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
David Woodhouse <dwmw2@...radead.org>,
Dave Jones <davej@...hat.com>, Sam Ravnborg <sam@...nborg.org>,
Greg KH <greg@...ah.com>,
Randy Dunlap <randy.dunlap@...cle.com>,
Kay Sievers <kay.sievers@...y.org>,
"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
Michael Kerrisk <mtk.manpages@...il.com>
Subject: Re: [PATCH] ldisc: new dcd_change() method for line disciplines.
On Fri, 28 Nov 2008 12:39:16 +0100
Tilman Schmidt <tilman@...p.cc> wrote:
> Rodolfo Giometti schrieb:
> > --- a/include/linux/tty_ldisc.h
> > +++ b/include/linux/tty_ldisc.h
> > @@ -99,11 +99,19 @@
> > * cease I/O to the tty driver. Can sleep. The driver should
> > * seek to perform this action quickly but should wait until
> > * any pending driver I/O is completed.
> > + *
> > + * void (*dcd_change)(struct uart_port *port, unsigned int status,
> > + * struct timespec *ts)
> > + *
> > + * Tells the discipline that the DCD pin has changed its status and
> > + * the relative timestamp. Pointer ts can be NULL.
> > */
>
> I don't see an actual call to that new method getting added anywhere.
> Is that planned for a later patch?
Its used in one of the later patches of the set.
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