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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> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260428_151600_287274_564C5B72 X-CRM114-Status: GOOD ( 16.87 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org 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 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip