From patchwork Wed Oct 13 14:52:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Luca Fancellu X-Patchwork-Id: 12556099 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 04A8EC433EF for ; Wed, 13 Oct 2021 14:52:34 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B7EE76109E for ; Wed, 13 Oct 2021 14:52:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org B7EE76109E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.208605.364795 (Exim 4.92) (envelope-from ) id 1mafcH-0005nN-Pb; Wed, 13 Oct 2021 14:52:25 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 208605.364795; Wed, 13 Oct 2021 14:52:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mafcH-0005nG-LB; Wed, 13 Oct 2021 14:52:25 +0000 Received: by outflank-mailman (input) for mailman id 208605; Wed, 13 Oct 2021 14:52:24 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1mafcG-0005n4-Rv for xen-devel@lists.xenproject.org; Wed, 13 Oct 2021 14:52:24 +0000 Received: from foss.arm.com (unknown [217.140.110.172]) by us1-rack-iad1.inumbo.com (Halon) with ESMTP id df58f88a-674a-4e9c-870f-c1e3967f021c; Wed, 13 Oct 2021 14:52:23 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 76BC5D6E; Wed, 13 Oct 2021 07:52:23 -0700 (PDT) Received: from e125770.cambridge.arm.com (e125770.cambridge.arm.com [10.1.195.16]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 915683F694; Wed, 13 Oct 2021 07:52:22 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: df58f88a-674a-4e9c-870f-c1e3967f021c From: Luca Fancellu To: xen-devel@lists.xenproject.org Cc: bertrand.marquis@arm.com, wei.chen@arm.com, Stefano Stabellini , Julien Grall , Volodymyr Babchuk Subject: [PATCH v2] arm/docs: Clarify legacy DT bindings on UEFI Date: Wed, 13 Oct 2021 15:52:02 +0100 Message-Id: <20211013145202.53070-1-luca.fancellu@arm.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Since the introduction of UEFI boot for Xen, the legacy compatible strings were not supported and the stub code was checking only the presence of “multiboot,module” to require the Xen UEFI configuration file or not. The documentation was not updated to specify that behavior. Add a phrase to docs/misc/arm/device-tree/booting.txt to clarify it. Signed-off-by: Luca Fancellu Acked-by: Julien Grall --- Changes in v2: - dropped redundant wording in docs/misc/arm/device-tree/booting.txt - Add more details to the commit message --- docs/misc/arm/device-tree/booting.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/docs/misc/arm/device-tree/booting.txt b/docs/misc/arm/device-tree/booting.txt index c6a775f4e8..71895663a4 100644 --- a/docs/misc/arm/device-tree/booting.txt +++ b/docs/misc/arm/device-tree/booting.txt @@ -51,6 +51,8 @@ Each node contains the following properties: Xen 4.4 supported a different set of legacy compatible strings which remain supported such that systems supporting both 4.4 and later can use a single DTB. + However when booting Xen using UEFI, the legacy compatible + strings are not supported. - "xen,multiboot-module" equivalent to "multiboot,module" - "xen,linux-zimage" equivalent to "multiboot,kernel"