Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758917AbYHSW6o (ORCPT ); Tue, 19 Aug 2008 18:58:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757375AbYHSW6G (ORCPT ); Tue, 19 Aug 2008 18:58:06 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:38744 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757115AbYHSW6E (ORCPT ); Tue, 19 Aug 2008 18:58:04 -0400 Date: Tue, 19 Aug 2008 23:38:57 +0100 From: Alan Cox To: Rodolfo Giometti Cc: linux-kernel@vger.kernel.org, Andrew Morton , David Woodhouse , Dave Jones , Sam Ravnborg , Greg KH , Randy Dunlap , Kay Sievers Subject: Re: [PATCH 05/10] ldisc: new dcd_change() method for line disciplines. Message-ID: <20080819233857.41b756cc@lxorguk.ukuu.org.uk> In-Reply-To: <20080819224930.GI21330@tekkaman> References: <1219182612-13814-1-git-send-email-giometti@linux.it> <1219182612-13814-2-git-send-email-giometti@linux.it> <1219182612-13814-3-git-send-email-giometti@linux.it> <1219182612-13814-4-git-send-email-giometti@linux.it> <1219182612-13814-5-git-send-email-giometti@linux.it> <1219182612-13814-6-git-send-email-giometti@linux.it> <20080819225322.69f3215d@lxorguk.ukuu.org.uk> <20080819224930.GI21330@tekkaman> X-Mailer: Claws Mail 3.5.0 (GTK+ 2.12.11; x86_64-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1123 Lines: 28 On Wed, 20 Aug 2008 00:49:31 +0200 Rodolfo Giometti wrote: > On Tue, Aug 19, 2008 at 10:53:22PM +0100, Alan Cox wrote: > > > + * 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. > > > */ > > > > uart_port is a specific property of a few random types of interface, pass > > a tty struct up. Otherwise looks fine. Might one day expand it to a more > > generic change type and pass info on what changed but thats a future > > mystery. > > How can I get the struct uart_port pointer starting from struct > tty_struct one? A tty may not even have a uart structure. Why do you need to know the interrupt (if such a concept even exists for the given tty) ? Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/