From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752418AbbCJJmR (ORCPT ); Tue, 10 Mar 2015 05:42:17 -0400 Received: from down.free-electrons.com ([37.187.137.238]:35349 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751630AbbCJJmL (ORCPT ); Tue, 10 Mar 2015 05:42:11 -0400 Date: Tue, 10 Mar 2015 10:42:09 +0100 From: Alexandre Belloni To: Arnd Bergmann Cc: linux-arm-kernel@lists.infradead.org, Brian Norris , Andrew Victor , Nicolas Ferre , linux-kernel@vger.kernel.org, Jean-Christophe Plagniol-Villard Subject: Re: [PATCH] ARM: at91: force CPU selection Message-ID: <20150310094209.GD9188@piout.net> References: <1425970798-14015-1-git-send-email-computersforpeace@gmail.com> <2216832.iXiqHye8YX@wuerfel> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2216832.iXiqHye8YX@wuerfel> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/03/2015 at 10:02:15 +0100, Arnd Bergmann wrote : > On Monday 09 March 2015 23:59:58 Brian Norris wrote: > > @@ -114,6 +114,12 @@ config SOC_AT91SAM9 > > AT91SAM9XE > > endif # SOC_SAM_V4_V5 > > > > +config MACH_AT91_AUTO > > + def_bool y > > + depends on !SOC_AT91SAM9 && !SOC_SAMA5D4 > > + select SOC_SAMA5D3 if SOC_SAM_V7 > > + select SOC_AT91RM9200 if SOC_SAM_V4_V5 > > + > > comment "AT91 Feature Selections" > > > > config AT91_SLOW_CLOCK > > Hi Brian, > > I actually added a bunch of these in other places, but have stopped > doing so because Russell didn't like them, and I tend to follow > his argument now that it's actually pretty confusing. > > In case of at91, we can do better now, once we have multiplatform > enabled, and we can simply remove the SOC_SAM_V7 and SOC_SAM_V4_V5 > symbols entirely (if Alexandre's patch doesn't already do that). > I didn't remove it to keep the sub menus SOC_SAM_V7 -> SOC_SAMA5D4 and SOC_SAMA5D3, SOC_SAM_V4_V5 -> SOC_AT91SAM9 and SOC_AT91RM9200. But I can also expose SOC_AT91RM9200, SOC_AT91SAM9, SOC_SAMA5D3 and SOC_SAMA5D4 instead of SOC_SAM_V7 and SOC_SAM_V4_V5 and remove them. > With multiplatform enabled, you no longer have to select a particular > SoC, because we always get the default selection and the kernel > will build without any one of them being enabled. > Indeed, with multiplatform, the kernel will compile without any of those being selected. -- Alexandre Belloni, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com