From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755512AbaIZONb (ORCPT ); Fri, 26 Sep 2014 10:13:31 -0400 Received: from top.free-electrons.com ([176.31.233.9]:34831 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754412AbaIZON3 (ORCPT ); Fri, 26 Sep 2014 10:13:29 -0400 Date: Fri, 26 Sep 2014 16:13:27 +0200 From: Alexandre Belloni To: Paul Bolle Cc: Nicolas Ferre , Jean-Christophe Plagniol-Villard , Boris Brezillon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCHv3 2/7] ARM: at91: introduce basic SAMA5D4 support Message-ID: <20140926141326.GB4408@piout.net> References: <1410797759-18675-1-git-send-email-alexandre.belloni@free-electrons.com> <1410797759-18675-3-git-send-email-alexandre.belloni@free-electrons.com> <1411732023.7866.15.camel@x220> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1411732023.7866.15.camel@x220> 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 26/09/2014 at 13:47:03 +0200, Paul Bolle wrote : > On Mon, 2014-09-15 at 18:15 +0200, Alexandre Belloni wrote: > > From: Nicolas Ferre > > > > Signed-off-by: Nicolas Ferre > > This landed in next-20140926, as commit 2dc850b62e5b ("ARM: at91: > introduce basic SAMA5D4 support"). > > > diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug > > index b11ad54f8d17..7b44db208f10 100644 > > --- a/arch/arm/Kconfig.debug > > +++ b/arch/arm/Kconfig.debug > > @@ -101,6 +101,10 @@ choice > > bool "Kernel low-level debugging on 9263 and 9g45" > > depends on HAVE_AT91_DBGU1 > > > > + config AT91_DEBUG_LL_DBGU2 > > + bool "Kernel low-level debugging on sama5d4" > > + depends on HAVE_AT91_DBGU2 > > + > > Why is this Kconfig symbol needed? Nothing in next-20140926 uses it. Are > future users perhaps queued somewhere (say, in commits that didn't > survive today's rather lively linux-next merges)? > There is no user because it conflicts with the previous one that is selected by default by the sama5_defconfig. This is for early print and it means that you can get earlyprintk either for sama5d3 or sama5d4. My guess is that it will never be included in any defconfig. -- Alexandre Belloni, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com