From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dy1-f180.google.com (mail-dy1-f180.google.com [74.125.82.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D79E52F12AF for ; Tue, 28 Apr 2026 22:15:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.180 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777414561; cv=none; b=Hvkc/WnB00YLGYHOfK8N4ImlueH3YJwjLlMYbj5wbfj5fBnKCeFmj0MkgQSU4ycr1sQew8CoA/iAsmv4QkC6qaMKWRaFa2KMhc9XUdEloL3aACwqgDJRWV7OCysO9J1jTjkfj544O871HwbUt2kn1WWi5qZEDdQoKg+B9QJyj60= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777414561; c=relaxed/simple; bh=YRXa3SqUBnSgR/YtBhUZuZAmwoEQPel0vDrvl4dz9MA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=R7kjZah38E9WQZ7WbuWixEj96YsZv03lMPV7sgdFckdvBdE8yOoxWfviTEXlK99GiUFLTxOhvAoPYt+Q0KvI8VQLjscVBWDD6boPJxpFrbBevS0MkbYx+CaHSkAI9YkmuXrUOXT8SXGvb4/lxFbtipKyj8ynwhuCT0GRVzASWwU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=d+Y0enTr; arc=none smtp.client-ip=74.125.82.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="d+Y0enTr" Received: by mail-dy1-f180.google.com with SMTP id 5a478bee46e88-2e221a71e19so12019713eec.0 for ; Tue, 28 Apr 2026 15:15:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1777414559; x=1778019359; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=IRuOpUnKlyxobyVU18RBjJjL20LQKeUc7Tn5BEfMoeM=; b=d+Y0enTrpOWWO4xe6U18GjzzSoS5d9ADQxWLx11uyITMLza3yHptDlg2sE56m8dVYy 317JgmmSPSDR7cKxiClEijzpIBcWaCGgtktww5s9izwLd5o+5QgZCHaoWR9vVxxS/38L PoBaaYo9p32j6CN00g6p2Cq4ctKqOJDZODjPA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777414559; x=1778019359; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=IRuOpUnKlyxobyVU18RBjJjL20LQKeUc7Tn5BEfMoeM=; b=HRtJjX0dJ8VUxVZVSSj5GpxO4Pi0sIouusUd8gBG2LkI3Bjz3PO8o/xPwyyAoEAzX/ geHBwblYZOzbWNWtHttNBIhgJzQOpm1ZhV0QRQxP76ygkNpt2Zam4k0ill9dOqE/S0EJ xNlj3CdOSaKMK3Ur4986mzT0zo1LSNftR+j9l59Brhuwi/8I7H8W+9hHgmdBhQz7vURX fSk0gGIVWFXPgfANF0gnVVwU75mqcDI0lTXRRqLiNss5b5URD0O9P9jDbmXUhOKZ7Gzc r6EIjW6U1El8sA1nPQET1YFwyvPiI3k0BZsBTOXXZhKpt5q29vD7bc+ZUhRb7vpl4Y+T YdcA== X-Forwarded-Encrypted: i=1; AFNElJ9TnhkZte9rFzOuFrIUGOfqya9Ba3xVhjBN06YiyWVGExmbp+CVsUEgqRs9es82QrkXSJfjsMxFNcqO/avg@vger.kernel.org X-Gm-Message-State: AOJu0YxMVB/mtu9mDtbeaUBk7DpX/ayxYaZX/b9Y6bd2LVHHILQHbe4o R252+fZ9Fz3Y8VOrxs1N3aPRU8KF8hf6l7oMS17Z/Knu5D398P1QchRbot9GNZVq3A== X-Gm-Gg: AeBDieuimHHFmFjoafCojhAt5MetLJ1JWX+KANEOQekIsd0RFhKRktQ2smNZBEbXk5A SRzfc43bJnXAt6eMqgexm3ZoWfAE9CE6E2gho1yUh4+Cex0DzVGdl9G5VWP97ULVaKvdltnPmzs DbhxOjrA+UKUpkgrstfElBO7nJ1tHCwGS4JIlilhAQYew3WccDXxRvGlPJrVAfqkBp7Ix9qEweX nGTbtdovZh0tlfVv81Le5l8vosN2kdh3ZeV0Jj41fJcaNZpJl+i9IwIeY0M+GVQXOLUaxy84roE uJNZeR5n1lMeS96aAfCzjYEnRS5GnEg2s8DYzfG4wcUX89bNAlrhTjlm5h/iDSOTmJprlVgzWVN M1gUSnSHD0YsMR5p+7dKWvYrsTWGU8X7yVRjY/u7zVtlhRSnx6GkNRK8Bc6KszYF65JC2zDMV8B QrXGU/L1DKXOKRWksXhy+WBSn9JoDyudy7RZ7eMDDH0PagXR6z3mRgGnnEbBZ0OK3sEo0rQfuy X-Received: by 2002:a05:7301:fa10:b0:2ed:75d:fe40 with SMTP id 5a478bee46e88-2ed0a084038mr2613645eec.15.1777414558981; Tue, 28 Apr 2026 15:15:58 -0700 (PDT) Received: from localhost ([2a00:79e0:2e7c:8:4ff5:9607:c7e5:48f3]) by smtp.gmail.com with UTF8SMTPSA id 5a478bee46e88-2ed1c070523sm162156eec.19.2026.04.28.15.15.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 28 Apr 2026 15:15:58 -0700 (PDT) Date: Tue, 28 Apr 2026 15:15:55 -0700 From: Brian Norris To: Julius Werner Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter , Heiko Stuebner , Matthias Brugger , AngeloGioacchino Del Regno , Bjorn Andersson , Konrad Dybcio , devicetree@vger.kernel.org, Doug Anderson , linux-arm-kernel@lists.infradead.org, Tzung-Bi Shih , chrome-platform@lists.linux.dev, linux-rockchip@lists.infradead.org, Alim Akhtar , cros-qcom-dts-watchers@chromium.org, linux-arm-msm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/7] dts: Add /firmware/#{address,size}-cells to Chromium-based DTs Message-ID: References: <20260428200712.2660635-1-briannorris@chromium.org> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Tue, Apr 28, 2026 at 02:43:21PM -0700, Julius Werner wrote: > > I reviewed Depthcharge code history and found that this problematic > > bootloader behavior dates back to at least 2014, with the Tegra/Nyan > > device. Older devices may have similar DTB structures, but I'm not sure > > if they have the same address-cells problems. In any case, these changes > > shouldn't hurt even if a device was not affected. > > I can confirm that Nyan was the first Arm device shipping with > depthcharge. Note that the Exynos devices are all older and shipped > with an old fork of U-Boot that probably handled this very differently > (I believe they had `/firmware/chromeos` but not `/firmware/coreboot`, > so they wouldn't have had a `reg` node and should need no `ranges`). OK, so that makes patch 4 unnecessary: [PATCH 4/7] ARM: dts: samsung: Add #{address,size}-cells to Chromium-based /firmware If I respin this, I can drop it. Or if it otherwise looks good, presumably folks can just skip patch 4. Thanks, Brian