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Wed, 22 Apr 2026 10:43:41 -0700 (PDT) Received: from mai.box.freepro.com ([2a05:6e02:1041:c10:ae20:597c:99b8:d161]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488fb7a051dsm142511965e9.18.2026.04.22.10.43.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Apr 2026 10:43:39 -0700 (PDT) From: Daniel Lezcano To: rafael@kernel.org, daniel.lezcano@kernel.org Cc: gaurav.kohli@oss.qualcomm.com, Zhang Rui , Lukasz Luba , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lucas Stach , Russell King , Christian Gmeiner , David Airlie , Simona Vetter , Guenter Roeck , Joel Stanley , Andrew Jeffery , =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , Benson Leung , =?UTF-8?q?Pali=20Roh=C3=A1r?= , Avi Fishman , Tomer Maimon , Tali Perry , Patrick Venture , Nancy Yuen , Benjamin Fair , Heiko Stuebner , Thierry Reding , Jonathan Hunter , Bjorn Andersson , Konrad Dybcio , Amit Daniel Kachhap , Viresh Kumar , Neil Armstrong , Amit Kucheria , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org Subject: [PATCH v2 10/12] thermal/of: Pass the of_index and add a function to register with an index Date: Wed, 22 Apr 2026 19:42:59 +0200 Message-ID: <20260422174305.2899095-11-daniel.lezcano@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260422174305.2899095-1-daniel.lezcano@oss.qualcomm.com> References: <20260422174305.2899095-1-daniel.lezcano@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: NtEYjepVbkviqNMdh-vJqug7c5nButBx X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIyMDE3MSBTYWx0ZWRfXz8hqyBCRcQ22 Xx2NWMlfg8+8PPWVwkhgOoX3DghHXKHOqh2LmSWei7T7Ue1vLPN/CZb835nueMvxBkNfMhGTIdF hD38IQPdtrw0F3Bs1HGvMt5vtWQF4P60BxrLFLdw7ZtZ6YWSkmlftCNziF5Cc7TOIMUBlkhlyq7 ljIC1SMia97UA9EJqx0EXwglre6WYG3VR6qSoK67yeI684cwNRUBZBMVbr9E76PrBXNb+gOa6Ms 1QgTT1VLBZcyplgcZqviv9uaz9hWYEa6AsYl+p6C9/qkm4EJnqDBJjhv2aQDU+liG6gaM9QujF7 grMmbEDfMQasroUECymbuJAxf1Vqaj5Z84EfEcuwAZkFcZzUo/UoRgYqyIpdMj/OAmxRBfPCvqg L8uWzTLLuCTyxVcXN6kmS0++yBXTLTKCzVqgf/haxGHGBujMqIRHJ4vt+I/wFL+oMCQ1rFG3Ubw 64VyBBiDJIH5z+Ucnpg== X-Authority-Analysis: v=2.4 cv=PsOjqQM3 c=1 sm=1 tr=0 ts=69e908cf cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=V4iKOSeYOELjiAWC:21 a=xqWC_Br6kY4A:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=KHKEB8RYcew9Qe18FDUA:9 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-GUID: NtEYjepVbkviqNMdh-vJqug7c5nButBx X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-22_02,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 suspectscore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 bulkscore=0 malwarescore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604220171 Introduce a new function devm_thermal_of_cooling_device_register() which will register a cooling device and its id. Signed-off-by: Daniel Lezcano --- drivers/thermal/thermal_of.c | 70 ++++++++++++++++++++++++++---------- include/linux/thermal.h | 13 +++++++ 2 files changed, 64 insertions(+), 19 deletions(-) diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c index a9319ff81d1d..d0d6d6b82d5a 100644 --- a/drivers/thermal/thermal_of.c +++ b/drivers/thermal/thermal_of.c @@ -551,6 +551,56 @@ static void thermal_cooling_device_release(struct device *dev, void *res) thermal_cooling_device_unregister(*(struct thermal_cooling_device **)res); } +static struct thermal_cooling_device * +__devm_thermal_of_cooling_device_register(struct device *dev, struct device_node *np, + int of_index, const char *type, void *devdata, + const struct thermal_cooling_device_ops *ops) +{ + struct thermal_cooling_device **ptr, *tcd; + + ptr = devres_alloc(thermal_cooling_device_release, sizeof(*ptr), + GFP_KERNEL); + if (!ptr) + return ERR_PTR(-ENOMEM); + + tcd = thermal_of_cooling_device_register(np, of_index, type, devdata, ops); + if (IS_ERR(tcd)) { + devres_free(ptr); + return tcd; + } + + *ptr = tcd; + devres_add(dev, ptr); + + return tcd; +} + +/** + * devm_thermal_of_cooling_device_register() - register an OF thermal cooling device + * @dev: a valid struct device pointer of a sensor device. + * @of_index: a cooling device index in the cooling controller + * @type: the thermal cooling device type. + * @devdata: device private data. + * @ops: standard thermal cooling devices callbacks. + * + * This function will register a cooling device with device tree node reference. + * This interface function adds a new thermal cooling device (fan/processor/...) + * to /sys/class/thermal/ folder as cooling_device[0-*]. It tries to bind itself + * to all the thermal zone devices registered at the same time. + * + * Return: a pointer to the created struct thermal_cooling_device or an + * ERR_PTR. Caller must check return value with IS_ERR*() helpers. + */ +struct thermal_cooling_device * +devm_thermal_of_cooling_device_register(struct device *dev, int of_index, + const char *type, void *devdata, + const struct thermal_cooling_device_ops *ops) +{ + return __devm_thermal_of_cooling_device_register(dev, dev->of_node, of_index, + type, devdata, ops); +} +EXPORT_SYMBOL_GPL(devm_thermal_of_cooling_device_register); + /** * devm_thermal_of_child_cooling_device_register() - register an OF thermal cooling * device @@ -577,24 +627,6 @@ devm_thermal_of_child_cooling_device_register(struct device *dev, const char *type, void *devdata, const struct thermal_cooling_device_ops *ops) { - struct thermal_cooling_device **ptr, *tcd; - - ptr = devres_alloc(thermal_cooling_device_release, sizeof(*ptr), - GFP_KERNEL); - if (!ptr) - return ERR_PTR(-ENOMEM); - - tcd = thermal_of_cooling_device_register(np, 0, type, devdata, ops); - if (IS_ERR(tcd)) { - devres_free(ptr); - return tcd; - } - - *ptr = tcd; - devres_add(dev, ptr); - - thermal_cooling_device_init_complete(tcd); - - return tcd; + return __devm_thermal_of_cooling_device_register(dev, np, 0, type, devdata, ops); } EXPORT_SYMBOL_GPL(devm_thermal_of_child_cooling_device_register); diff --git a/include/linux/thermal.h b/include/linux/thermal.h index 070dcf7f77b6..55ac0390da8d 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -206,6 +206,11 @@ thermal_of_cooling_device_register(struct device_node *np, int of_index, const char *type, void *data, const struct thermal_cooling_device_ops *ops); +struct thermal_cooling_device * +devm_thermal_of_cooling_device_register(struct device *dev, int of_index, + const char *type, void *devdata, + const struct thermal_cooling_device_ops *ops); + struct thermal_cooling_device * devm_thermal_of_child_cooling_device_register(struct device *dev, struct device_node *np, @@ -233,6 +238,14 @@ thermal_of_cooling_device_register(struct device_node *np, int of_index, return ERR_PTR(-ENODEV); } +static inline struct thermal_cooling_device * +devm_thermal_of_cooling_device_register(struct device *dev, int of_index, + const char *type, void *devdata, + const struct thermal_cooling_device_ops *ops) +{ + return ERR_PTR(-ENODEV); +} + static inline struct thermal_cooling_device * devm_thermal_of_child_cooling_device_register(struct device *dev, struct device_node *np, -- 2.43.0