From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755881Ab2EEO5h (ORCPT ); Sat, 5 May 2012 10:57:37 -0400 Received: from mail-pz0-f45.google.com ([209.85.210.45]:62920 "EHLO mail-pz0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755571Ab2EEO5f (ORCPT ); Sat, 5 May 2012 10:57:35 -0400 Date: Sat, 5 May 2012 07:57:32 -0700 From: Greg KH To: Alan Cox Cc: Preston Fick , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, preston.fick@silabs.com, "linux-arm-kernel@lists.arm.linux.org.uk" Subject: Re: [PATCH] usb: cp210x: Added support for GPIO (CP2103/4/5) Message-ID: <20120505145732.GA27577@kroah.com> References: <1335817637-2862-1-git-send-email-preston.fick@silabs.com> <20120503213456.77c55c51@pyramind.ukuu.org.uk> <20120505003208.GA30718@kroah.com> <20120505120137.11a45c86@pyramind.ukuu.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120505120137.11a45c86@pyramind.ukuu.org.uk> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, May 05, 2012 at 12:01:37PM +0100, Alan Cox wrote: > > Will the new ldisc mess with the tty stuff to prevent "normal" serial > > data and line settings from being handled properly? If not, that all > > looks very good to me, thanks for working this out. > > It'll have no effect on that. What it will do is provide a way for things > like ISO7816 ldiscs to use the extra pins (as they can call from the > ldisc into the gpio layer) and to know the mapping of the extra control > wires, which varies by device. Ok, that sounds good to me.