Date: Fri, 28 Nov 2008 13:58:37 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Tilman Schmidt <tilman@imap.cc>
Cc: Rodolfo Giometti <giometti@linux.it>, linux-kernel@vger.kernel.org,
       Andrew Morton <akpm@linux-foundation.org>,
       David Woodhouse <dwmw2@infradead.org>, Dave Jones <davej@redhat.com>,
       Sam Ravnborg <sam@ravnborg.org>, Greg KH <greg@kroah.com>,
       Randy Dunlap <randy.dunlap@oracle.com>,
       Kay Sievers <kay.sievers@vrfy.org>, "H. Peter Anvin" <hpa@zytor.com>,
       Ingo Molnar <mingo@elte.hu>, Michael Kerrisk <mtk.manpages@gmail.com>
Subject: Re: [PATCH] ldisc: new dcd_change() method for line disciplines.
Message-ID: <20081128135837.16a09068@lxorguk.ukuu.org.uk>
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	<492FD864.50901@imap.cc>
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On Fri, 28 Nov 2008 12:39:16 +0100
Tilman Schmidt <tilman@imap.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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