Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752775Ab2HaK4M (ORCPT ); Fri, 31 Aug 2012 06:56:12 -0400 Received: from lxorguk.ukuu.org.uk ([81.2.110.251]:39164 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752470Ab2HaKzt convert rfc822-to-8bit (ORCPT ); Fri, 31 Aug 2012 06:55:49 -0400 Date: Fri, 31 Aug 2012 11:59:39 +0100 From: Alan Cox To: Russell King - ARM Linux Cc: Matthieu CASTET , "arnd@arndb.de" , "gregkh@suse.de" , "sboyd@codeaurora.org" , "linux-kernel@vger.kernel.org" , Matthieu CASTET , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH] hvc_dcc : add support to armv4 and armv5 core Message-ID: <20120831115939.23fd4a08@pyramind.ukuu.org.uk> In-Reply-To: <20120831103351.GE18957@n2100.arm.linux.org.uk> References: <1346404916-27616-1-git-send-email-castet.matthieu@free.fr> <20120831110444.25d9b9fe@pyramind.ukuu.org.uk> <504091F0.1090703@parrot.com> <20120831103351.GE18957@n2100.arm.linux.org.uk> X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.8; x86_64-redhat-linux-gnu) Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAFVBMVEWysKsSBQMIAwIZCwj///8wIhxoRDXH9QHCAAABeUlEQVQ4jaXTvW7DIBAAYCQTzz2hdq+rdg494ZmBeE5KYHZjm/d/hJ6NfzBJpp5kRb5PHJwvMPMk2L9As5Y9AmYRBL+HAyJKeOU5aHRhsAAvORQ+UEgAvgddj/lwAXndw2laEDqA4x6KEBhjYRCg9tBFCOuJFxg2OKegbWjbsRTk8PPhKPD7HcRxB7cqhgBRp9Dcqs+B8v4CQvFdqeot3Kov6hBUn0AJitrzY+sgUuiA8i0r7+B3AfqKcN6t8M6HtqQ+AOoELCikgQSbgabKaJW3kn5lBs47JSGDhhLKDUh1UMipwwinMYPTBuIBjEclSaGZUk9hDlTb5sUTYN2SFFQuPe4Gox1X0FZOufjgBiV1Vls7b+GvK3SU4wfmcGo9rPPQzgIabfj4TYQo15k3bTHX9RIw/kniir5YbtJF4jkFG+dsDK1IgE413zAthU/vR2HVMmFUPIHTvF6jWCpFaGw/A3qWgnbxpSm9MSmY5b3pM1gvNc/gQfwBsGwF0VCtxZgAAAAASUVORK5CYII= Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1312 Lines: 34 On Fri, 31 Aug 2012 11:33:51 +0100 Russell King - ARM Linux wrote: > On Fri, Aug 31, 2012 at 12:29:04PM +0200, Matthieu CASTET wrote: > > Alan Cox a ?crit : > > > On Fri, 31 Aug 2012 11:21:56 +0200 > > > Matthieu CASTET wrote: > > > > > >> Signed-off-by: Matthieu Castet > > >> --- > > >> drivers/tty/hvc/hvc_dcc.c | 34 ++++++++++++++++++++++++++++++++++ > > >> 1 file changed, 34 insertions(+) > > > > > > This is a step in the wrong direction. This should all be runtime handled > > > > > > NAK. > > > > > > > AFAIK you can't build a arm kernel that support arm6/armv7 and armv5. > > And I am not sure it will be possible one day. > > There are no plans to ever make it possible; there are too many significant > differences between ARMv4, v5 architectures and ARMv6,v7 architectures > to warrant making this runtime selectable. Then bury this crap in platform files please not in the drivers/tty layer code. Make it a platform driver provided callback or something. 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/