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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E035AC54EE9 for ; Sun, 25 Sep 2022 14:52:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230509AbiIYOwt (ORCPT ); Sun, 25 Sep 2022 10:52:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52888 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229608AbiIYOws (ORCPT ); Sun, 25 Sep 2022 10:52:48 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC1202BB1B; Sun, 25 Sep 2022 07:52:46 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 04FBF614FB; Sun, 25 Sep 2022 14:52:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6A26DC433D6; Sun, 25 Sep 2022 14:52:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1664117565; bh=3kjYfysKz0E8NVkgZIWBHMbIcjSTrZQrXVoy9GUlif8=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=nI/VUGvhS/o/0MoeXJdOb84mSz2LESLsTM1Tig6MHcizuxlO0q1pVXxkvsWxIYxSQ V/FyZhUlXsB7E5BN7Kc/dQtiBi8fWYzrzLi4S3fiJ9WxOFCNAm9ux7QXKcsVgTfOro j15qy1eLbO0IEJy1UloCtUnNniXuRUhPP8HkUkAu7xPk8Rw5N2K53PQwytnbC6Rew6 P0XsR598O46wt7DAmBq5QpSoRnpEHe3ZlTxyXuRrFeoEmRgrgXWnQ+8ag4MsQfrYqJ VmWLI5Gpc0gXG7XRBVs+48Lymilzz7YLHHc0etp+E0vNPJ4H+xGqCRtcuqw4xtNSGi WDVKHZYVqVywA== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1ocSzr-00CTtI-7A; Sun, 25 Sep 2022 15:52:43 +0100 Date: Sun, 25 Sep 2022 10:52:39 -0400 Message-ID: <86bkr38q14.wl-maz@kernel.org> From: Marc Zyngier To: Jean-Philippe Brucker Cc: mark.rutland@arm.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Krzysztof Kozlowski Subject: Re: [PATCH v2] dt-bindings: timer: arm,arch_timer: Allow dual compatible string In-Reply-To: <20220922161149.371565-1-jean-philippe@linaro.org> References: <20220922161149.371565-1-jean-philippe@linaro.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: jean-philippe@linaro.org, mark.rutland@arm.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, krzysztof.kozlowski@linaro.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Thu, 22 Sep 2022 12:11:50 -0400, Jean-Philippe Brucker wrote: > > Since the Armv7 and Armv8 architected timers are compatible, it is valid > to expose a devicetree node with compatible string "arm,armv8-timer" > followed by "arm,armv7-timer". For example a 32-bit guest running on a > 64-bit machine may look for the v7 string even though the hardware is v8. > VMMs such as QEMU and kvmtool have been using this compatible string for > some time. Clean up the compatible list a little and add the dual > option. > > Acked-by: Krzysztof Kozlowski > Signed-off-by: Jean-Philippe Brucker Acked-by: Marc Zyngier M. -- Without deviation from the norm, progress is not possible.