From patchwork Thu Apr 7 11:05:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 12805052 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E960C433EF for ; Thu, 7 Apr 2022 11:06:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229480AbiDGLIS (ORCPT ); Thu, 7 Apr 2022 07:08:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41906 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236456AbiDGLHi (ORCPT ); Thu, 7 Apr 2022 07:07:38 -0400 Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 400401A392 for ; Thu, 7 Apr 2022 04:05:37 -0700 (PDT) Received: from tr.lan (ip-89-176-112-137.net.upcbroadband.cz [89.176.112.137]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 9F68F83515; Thu, 7 Apr 2022 13:05:35 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1649329535; bh=8C7PAMjAVLXORQO89qd1AmpwvIjkU1CDrI8EKtR18xo=; h=From:To:Cc:Subject:Date:From; b=g7qtj5z9l4MXdyArXB5A3OXJ3cCZ9fkZPt8TJkpISitTL/v+Woj5PV5pWXhDfH5Zs vDoVThkcC2RGdklbgfIGM0qyzElo4plRYKijcoWCx/KNEtyhsXRE5Aj8Jl5kJ+yqjL RWFgoVqFk+Luh+ThU/EQC5QWBen/wChmCcHV2MToaMOjGL+NaLOxzHSfMxfPgTLN6O FeYmMPh8tplqUZkdqhe87VNN1qAz2QyiqBTGhfPP8R2i8VU63yt8W3aq+GGD00/wuy LWtiFL5a63qYwBdeMInNjxkNp/DDYMb8LM/SjJ9/uPtvPcq64h5jwcJ67eK0Ry53kp LPtBq56EmxRQA== From: Marek Vasut To: linux-kbuild@vger.kernel.org Cc: Marek Vasut , Masahiro Yamada Subject: [RFC][PATCH] kbuild: Generate symbols for DTO application in DTBs Date: Thu, 7 Apr 2022 13:05:22 +0200 Message-Id: <20220407110522.122393-1-marex@denx.de> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org Emit symbols section in DTBs to permit symbol resolution when applying DTOs. Signed-off-by: Marek Vasut Cc: Masahiro Yamada --- NOTE: I am sending this as RFC, because I suspect there is a better way how to pass extra flags to DTC during kernel build ? Maybe from shell environment somehow ? Or maybe b7e70391a5451 ("arm64: tegra: Enable device-tree overlay support") is the way to go about this ? --- arch/arm/boot/dts/Makefile | 3 +++ arch/arm64/boot/dts/Makefile | 3 +++ 2 files changed, 6 insertions(+) diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 252353fb4e3b3..2d50302d077dd 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -1,4 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 + +DTC_FLAGS += -@ + dtb-$(CONFIG_ARCH_ALPINE) += \ alpine-db.dtb dtb-$(CONFIG_MACH_ARTPEC6) += \ diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index 1ba04e31a4387..f7b3c86517a0e 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile @@ -1,4 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 + +DTC_FLAGS += -@ + subdir-y += actions subdir-y += allwinner subdir-y += altera