From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75DB3C43334 for ; Thu, 6 Sep 2018 10:05:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2526A206BA for ; Thu, 6 Sep 2018 10:05:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2526A206BA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728679AbeIFOkP (ORCPT ); Thu, 6 Sep 2018 10:40:15 -0400 Received: from foss.arm.com ([217.140.101.70]:42472 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728645AbeIFOkP (ORCPT ); Thu, 6 Sep 2018 10:40:15 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id AF24115B2; Thu, 6 Sep 2018 03:05:32 -0700 (PDT) Received: from edgewater-inn.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 7F9793F575; Thu, 6 Sep 2018 03:05:32 -0700 (PDT) Received: by edgewater-inn.cambridge.arm.com (Postfix, from userid 1000) id 3E5EB1AE358D; Thu, 6 Sep 2018 11:05:47 +0100 (BST) Date: Thu, 6 Sep 2018 11:05:47 +0100 From: Will Deacon To: Rob Herring Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Masahiro Yamada , Michal Marek , Vineet Gupta , Russell King , Catalin Marinas , Yoshinori Sato , Michal Simek , Ralf Baechle , Paul Burton , James Hogan , Ley Foon Tan , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Chris Zankel , Max Filippov , linux-kbuild@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, uclinux-h8-devel@lists.sourceforge.jp, linux-mips@linux-mips.org, nios2-dev@lists.rocketboards.org, linuxppc-dev@lists.ozlabs.org, linux-xtensa@linux-xtensa.org Subject: Re: [PATCH v2 6/9] kbuild: consolidate Devicetree dtb build rules Message-ID: <20180906100546.GJ3592@arm.com> References: <20180905235327.5996-1-robh@kernel.org> <20180905235327.5996-7-robh@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180905235327.5996-7-robh@kernel.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 05, 2018 at 06:53:24PM -0500, Rob Herring wrote: > There is nothing arch specific about building dtb files other than their > location under /arch/*/boot/dts/. Keeping each arch aligned is a pain. > The dependencies and supported targets are all slightly different. > Also, a cross-compiler for each arch is needed, but really the host > compiler preprocessor is perfectly fine for building dtbs. Move the > build rules to a common location and remove the arch specific ones. This > is done in a single step to avoid warnings about overriding rules. > > The build dependencies had been a mixture of 'scripts' and/or 'prepare'. > These pull in several dependencies some of which need a target compiler > (specifically devicetable-offsets.h) and aren't needed to build dtbs. > All that is really needed is dtc, so adjust the dependencies to only be > dtc. > > This change enables support 'dtbs_install' on some arches which were > missing the target. > > Cc: Masahiro Yamada > Cc: Michal Marek > Cc: Vineet Gupta > Cc: Russell King > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Yoshinori Sato > Cc: Michal Simek > Cc: Ralf Baechle > Cc: Paul Burton > Cc: James Hogan > Cc: Ley Foon Tan > Cc: Benjamin Herrenschmidt > Cc: Paul Mackerras > Cc: Michael Ellerman > Cc: Chris Zankel > Cc: Max Filippov > Cc: linux-kbuild@vger.kernel.org > Cc: linux-snps-arc@lists.infradead.org > Cc: linux-arm-kernel@lists.infradead.org > Cc: uclinux-h8-devel@lists.sourceforge.jp > Cc: linux-mips@linux-mips.org > Cc: nios2-dev@lists.rocketboards.org > Cc: linuxppc-dev@lists.ozlabs.org > Cc: linux-xtensa@linux-xtensa.org > Signed-off-by: Rob Herring > --- > Please ack so I can take the whole series via the DT tree. For arm64: Acked-by: Will Deacon Will