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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b87099fcef6sm1353880466b.22.2026.01.15.02.19.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 Jan 2026 02:19:49 -0800 (PST) Message-ID: <59ae6b16-7866-413a-a1d2-4a735024c108@oss.qualcomm.com> Date: Thu, 15 Jan 2026 11:19:47 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] dt-bindings: arm: cpus: Deprecate Qualcomm generic compatibles To: Krzysztof Kozlowski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lorenzo Pieralisi , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Bjorn Andersson , Konrad Dybcio , linux-arm-msm@vger.kernel.org References: <20260115083503.43796-2-krzysztof.kozlowski@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260115083503.43796-2-krzysztof.kozlowski@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=NvncssdJ c=1 sm=1 tr=0 ts=6968bf47 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=7CQSdrXTAAAA:8 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=HDgntgnsfx8HdXrLBxsA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 a=a-qgeE7W1pNrGK8U0ZQC:22 X-Proofpoint-ORIG-GUID: fTYzv2Uj3Q9uHMbsZnN6L8YBUUzRa1um X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE1MDA3MyBTYWx0ZWRfX0DVviQdKAoEV 7WDkd6Q2DgtD1/Z0HJdDuVt/8hSjoNgf3Sd39n16F50/JmrsZOvbBvU756XouFe3oQMVOsK1nVF 0zoNlTw0K/7A6wRa4CMNfgDSOq8Z+OW/1pDtUfLOtd5S5aYxYxPgihcQccd6gdtwl4vvWR2sywz m4BpgoqI/hvRN4XsjcvNHB6b1bjzN47xK6DuGwQ3B7MvQv5KXZyBxDJK3z8UdoP1uVL3c1DXKXT MML+Ayk5+lkTKIguNjCBf74Q6ca7i/18ydxt6ECOnlw3HGBcIZYzBwtozgOZ6HCwi0EDbV0pKI/ kBOnYFtzH+gKTgAs9ibLwG3+sB/VgDxhZb0IScPvopx+GTn+9Zq58c/S12jM856EpMuVrBvSg4T DitoXV9tLqpYVUNY5zoBT7FKGV6MiNFbVpSQewnK+b8x4jQIopMXd/U+ljwtjCbc92IdtE9uTd+ rSWlCAmFaJMi6zBoEUw== X-Proofpoint-GUID: fTYzv2Uj3Q9uHMbsZnN6L8YBUUzRa1um X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-15_03,2026-01-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 phishscore=0 suspectscore=0 bulkscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601150073 On 1/15/26 9:35 AM, Krzysztof Kozlowski wrote: > Move four compatibles for Qualcomm Krait, Kryo, Oryon and Scorpion > custom CPU cores out of the enum into separate one with deprecated: true > annotation, because these are too generic names. > > These are names of the families and there are significant differences > within individual processors, e.g. Kryo6xx can based on architectures > from Cortex-X2, A710, A510 to A78 and probably more. > > Just like other vendor processors are differentiated, also Qualcomm CPUs > should come with specific compatibles. > > Cc: Bjorn Andersson > Cc: Konrad Dybcio > Cc: linux-arm-msm@vger.kernel.org > Signed-off-by: Krzysztof Kozlowski > --- [...] > - - arm,armv8 # Only for s/w models I'm still bitter about this one existing $ rg '"arm,armv8"' arch -l | sort arch/arm64/boot/dts/arm/foundation-v8.dtsi This makes some sense (see [1]) arch/arm64/boot/dts/arm/fvp-base-revc.dts arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts These seem to be spawned with a specific virtualized Cortex type arch/arm64/boot/dts/nvidia/tegra264.dtsi :( [1] https://developer.arm.com/documentation/100961/1130/Foundation-Platform-introduction/Platform-overview/Processor-models-in-the-Foundation-Platform?lang=en Konrad