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[2001:14ba:a085:4d00::8a5]) by smtp.gmail.com with ESMTPSA id dt17-20020a0565122a9100b004cb061887b5sm1257258lfb.126.2023.01.08.14.20.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 08 Jan 2023 14:20:55 -0800 (PST) Message-ID: Date: Mon, 9 Jan 2023 00:20:55 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: [PATCH 3/4] dt-bindings: arm: qcom,ids: Add a bunch of older SoCs Content-Language: en-GB To: Rob Herring , Stephan Gerhold Cc: Bjorn Andersson , Andy Gross , Konrad Dybcio , Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org References: <20230104115348.25046-1-stephan@gerhold.net> <20230104115348.25046-4-stephan@gerhold.net> <20230108214052.GA313089-robh@kernel.org> From: Dmitry Baryshkov In-Reply-To: <20230108214052.GA313089-robh@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 08/01/2023 23:40, Rob Herring wrote: > On Wed, Jan 04, 2023 at 12:53:47PM +0100, Stephan Gerhold wrote: >> Sync the SoC IDs in qcom,ids.h with relevant entries from Qualcomm's LK >> bootloader [1] that is used for almost all older Qualcomm SoCs. >> >> Several of these are already supported, e.g.: >> - MSM8960 -> APQ8060, MSM8260, ... >> - MSM8976 -> APQ8076 >> - MSM8956 -> APQ8056 >> Others are currently being worked on, e.g.: >> - MSM8909(W) -> APQ8009(W), MSM8905, MSM8209, ... >> - MSM8939 -> MSM8239, ... >> >> And even all remaining ones added are close enough to what is already >> supported so that future support is realistic (if someone steps up to >> do the work). >> >> Add all of them at once to avoid having to add them one by one in the >> future. This will also benefit other projects making use of the same >> dt-bindings, e.g. bootloaders where adding support for all these SoCs >> is a bit easier than on Linux. > > The promise was in accepting the properties upstream is we'd only be > adding these for bootloaders with dtbs that we can't otherwise update or > change. Do all of those meet this criteria? Seems unlikely. Most of Qualcomm platforms come with the signed bootloader, so it is impossible to change it without vendor keys. This might sound bad for you, but I fear that this list would include most of the platforms until Qualcomm agrees to rework kernel-bootloader-dtb interaction. -- With best wishes Dmitry