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Fri, 03 Jul 2026 03:31:20 -0700 (PDT) X-Received: by 2002:a17:902:da89:b0:2c9:e6d7:fbb4 with SMTP id d9443c01a7336-2ca7e85a856mr102662705ad.31.1783074680012; Fri, 03 Jul 2026 03:31:20 -0700 (PDT) Received: from [10.217.199.117] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2cad71328d8sm7377295ad.29.2026.07.03.03.31.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 03 Jul 2026 03:31:19 -0700 (PDT) Message-ID: Date: Fri, 3 Jul 2026 16:01:13 +0530 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 01/10] dt-bindings: firmware: qcom: tmd: add TMD device type constants To: Krzysztof Kozlowski Cc: Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Daniel Lezcano , Amit Kucheria , Manivannan Sadhasivam , Konrad Dybcio , Kees Cook , "Gustavo A. R. Silva" , cros-qcom-dts-watchers@chromium.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-hardening@vger.kernel.org, Manaf Meethalavalappu Pallikunhi References: <20260703-qmi-tmd-v4-0-3882189c1f83@oss.qualcomm.com> <20260703-qmi-tmd-v4-1-3882189c1f83@oss.qualcomm.com> <20260703-bizarre-abiding-spoonbill-dcc142@quoll> Content-Language: en-US From: Gaurav Kohli In-Reply-To: <20260703-bizarre-abiding-spoonbill-dcc142@quoll> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: D3WIpWsoL51HEquDTd39KZ0EAKxe7pa4 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAzMDEwMSBTYWx0ZWRfX6WHgyhGZOqi2 EAgj2hn4CwY/av4rnKQ7bXLM0ZuLaURjo8d6TvplWKePB/ZglZSFPy9FwfXEoBRcnalWmvL9v4L vW7REDCvCVfsXvWagBLTgl+g5Pxt9lk= X-Authority-Analysis: v=2.4 cv=a6QAM0SF c=1 sm=1 tr=0 ts=6a478f79 cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=Ac_jkr_iY3tVM05H0rEA:9 a=QEXdDO2ut3YA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAzMDEwMSBTYWx0ZWRfX1dvAe/oYhao6 mWcji+ohlNrDZDoZY0TPyQuA46BEvQ9AF95VEOwoKCQjWVGkrXumzGWzNpb2ewuyRKiZWd7HZyu dL8M4ZEryIp3aklcAcOOZ1/iAtbZmd+Gv58Z31WrM19xuoamdtA+FZXupM1N3nEQA7wMjP463pd ahbp8iPJmVEah9kQr198plf7f00oehwmqlT7ORVDBIV71ZjRKgaWr69ui01ZJGFgJQ6hPnfe2j1 yVxzv91Kajig6eDYmot1mBF8Avq4/bisuxwjHiC0ZVXsmq1HlDKH+QCbn3I0QsF8NRDHj5IpQtz TEi2huxeQixxFF3BsNb7XODi3cBpkrA1TpsnSFG4MTdEmiDgEHL3eAOyR0huNlLSWPbMoXuoPH/ Y05RZdGJR74ChVM03w/nO+V5s+dJOGmnS/bTQYgVdndZeHKTpZ7QUtARsccxn1PrVExLBzKz/UA cTp0LVHwquhg0IrGLbQ== X-Proofpoint-ORIG-GUID: D3WIpWsoL51HEquDTd39KZ0EAKxe7pa4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-03_02,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 impostorscore=0 phishscore=0 spamscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607030101 On 7/3/2026 1:22 PM, Krzysztof Kozlowski wrote: > On Fri, Jul 03, 2026 at 10:33:04AM +0530, Gaurav Kohli wrote: >> Add Device Tree binding constants for Qualcomm Thermal Mitigation >> Device (TMD) types used by remoteproc-backed thermal cooling devices. >> >> Qualcomm remote processors expose thermal mitigation endpoints >> through QMI. These endpoints can be registered with the thermal >> framework via the `#cooling-cells` property on the remoteproc node. >> >> The QMI TMD protocol identifies devices using string names (for example, >> "pa", "modem", and "cdsp_sw"), while the DT cooling-device binding with >> `#cooling-cells = <3>` requires numeric device id in the form: >> >> <&phandle device_id min_state max_state> >> >> Define common TMD device index constants shared across currently >> supported platforms. If a future target requires a different mapping, >> additional target-specific constants can be introduced while preserving >> existing DT ABI. >> >> Signed-off-by: Gaurav Kohli >> --- >> MAINTAINERS | 1 + >> include/dt-bindings/firmware/qcom,qmi-tmd.h | 20 ++++++++++++++++++++ > > Why is it put into firmware? What part of firmware are you describing? > To me it looks like thermal thing and even you wrote: Thermal Mitigation Device Ack, it looks better under thermal. Will move to include/dt-bindings/thermal/qcom,qmi-tmd.h in the next version. > > Best regards, > Krzysztof >