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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-327bf13f4bdsm12571709eec.20.2026.08.19.21.50.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Aug 2026 21:50:19 -0700 (PDT) Message-ID: Date: Thu, 20 Aug 2026 10:20:13 +0530 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 1/8] dt-bindings: embedded-controller: qcom,hamoa-crd-ec: Add qcom,tsens To: Konrad Dybcio , Sibi Sankar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Hans de Goede , =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= , Bryan O'Donoghue , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org References: <20260728-ec_add_more_commands-v1-0-771abd65ee1a@oss.qualcomm.com> <20260728-ec_add_more_commands-v1-1-771abd65ee1a@oss.qualcomm.com> <01a90313-8cab-4502-92ed-761834763f8b@oss.qualcomm.com> <282e3d1a-17d3-4fe6-8435-ac6241f69eb8@oss.qualcomm.com> <1146dacb-ca5d-4ee6-b7df-e731bbcb56fc@oss.qualcomm.com> Content-Language: en-US From: Anvesh Jain P In-Reply-To: <1146dacb-ca5d-4ee6-b7df-e731bbcb56fc@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=UIrt2ify c=1 sm=1 tr=0 ts=6a86878e cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=ZTAHBudFxCM7PCH5DQwA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODIwMDAzMiBTYWx0ZWRfX8NyitEJH5Ga6 KcJCVWubHgM9tPVsNxtnGbomE5JhYMAFziVfAMJ3c4/TEGXA6ipDS6UGMeSmDtIT83B1wInWm8m pakgGLVa/ACJ9DxVlFdSTylfhnfPcwREKayuBRx62TUgxxP6CPS7XgCMF9+r2o1IiZ7pNwSQj5M UEYIgMmPkiyT+7w3fk/RRTN6o6slCi5iJFuiIxAbOrWHx+idzLxcpk7/sA8W0f2XvINWYjIB8uV kiltILMk2QFiS9C36vjQkkW0q4TR9jNPaLZKY6Lb3YB8UCMyu+8TEby5E8kKnW/eHYdoO4KZ9e/ CysHuOaozFUwzL85sNY5MsNd9k5mX3MAnbxGFPbVSYmYbxfuly6SydAMmJTr1yCZlWL8TTR5HHM Na7yKRQ7ZaWntp+BQpaGGnZlAq4gNwB1HDgX18+875gefllt7yls6Mme1IcRgRerU2CX5k5eurV ucKWf3Juc5girwS7+DQ== X-Proofpoint-Spam-Info: AW1haW4tMjYwODIwMDAzMiBTYWx0ZWRfXzhEkz7S5dVTN K8h5a0Svo+1Fi9cOS58l+L1QO5fCJJYmQ2NAohn1U5TVm0x6VcqA3bFooD5yTbog1hkXQWSkRl5 Kx+8M6YsILoX7HnRiN+ugBHwBHDksUM= X-Proofpoint-ORIG-GUID: jsaepU_QllKNdFX4BxMxi8nbT5jNR3lp X-Proofpoint-GUID: jsaepU_QllKNdFX4BxMxi8nbT5jNR3lp X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-19_06,2026-08-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 impostorscore=0 spamscore=0 priorityscore=1501 clxscore=1015 phishscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608200032 On 8/19/2026 10:08 PM, Konrad Dybcio wrote: >>>> Each tsens provider has more physical sensors (16) than the count used >>>> here. The leading N we take exactly matches the number of sensors >>>> already wired to board thermal-zones for other purposes (CPU clusters, >>>> GPU, camera, etc.) on that provider — e.g. on hamoa, tsens2 has 11 such >>>> zones and tsens3 has 15, matching qcom,tsens = <&tsens2 11>, <&tsens3 >>>> 15>;. The remaining sensor IDs aren't referenced by any thermal-zone on >>>> this platform, so there's no per-purpose reading to include in the SoC >>>> Tj average. >>> What you said is true >>> >>> It also doesn't answer the question why that isn't the case >>> >>> Konrad >> What I meant is, the driver looks up a thermal zone for each sensor id, >> and skips the ones that don't have a zone in DT. Sensor ids past 11/15 >> on this board don't have a zone assigned, so there's nothing to read there. > You can keep repeating what you said and I can keep repeating you're not > answering the question "why do we only choose to read the data from > certain sensors and ignore others" > > Konrad We only read sensors that are physically wired into the board's thermal zones, those actually measure relevant parts of the SoC. The rest aren't connected to anything, so we are ignoring those. This is what I am trying to say. -- Best Regards, Anvesh