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Sun, 19 Apr 2026 11:22:56 -0700 (PDT) Received: from mai.box.freepro.com ([2a05:6e02:1041:c10:ae20:597c:99b8:d161]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43fe4e59f97sm25723070f8f.37.2026.04.19.11.22.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 19 Apr 2026 11:22:55 -0700 (PDT) From: Daniel Lezcano To: rafael@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, Daniel Lezcano Subject: [PATCH v1 12/14] thermal/of: Pass the of_index and add a function to register with an index Date: Sun, 19 Apr 2026 20:21:56 +0200 Message-ID: <20260419182203.4083985-13-daniel.lezcano@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260419182203.4083985-1-daniel.lezcano@oss.qualcomm.com> References: <20260419182203.4083985-1-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: _z3Th_OcAKXBe4Wmu-Y-KWWXgHmm4MFL X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE5MDE5NyBTYWx0ZWRfX2egdq9FmIjH8 orNDLNTO11FYZR+Zhoqs0GW4CNTpX6H9TLc7YyXDDtbtLgKO69CWZ9ULHmjjHyE60NDE2/gZLcM Hf8TYvg6INxNTBrcrA36uCBxo6HABAz08sOb2kb+4HI/FNwLQ/mlwUGpMMte7Ksuk1pV/90KGTv wa/Fku+9h4+3EPOunxHw/LuyY9wjmyw3lUsnQj9KdP+XYWf4uxh0S5u+BJXaodPRfV3aJPRkEmH MgQeFH66eLZh6KNMaG81QpyH5hpFzLXGSqRUjB9n7CoqxLtqiR1bcSHdVfke9vBZFAloWCsMrC6 UdL5u3gEi3kGU2hy2RJgeZAp5vC70GrOCbYoX/A2orfWPMG454m4z2eGZ4Rr6oRtQG+YASnqnNT IQIkbgz/x5Csgsg2u/sSZPhaXbTa7bTDSap3A2F/ziX6iYLGCM3ZFp66eo/xNSTaHlPCC3VYcP+ bQiGFMojbRm03PNe+zQ== X-Proofpoint-GUID: _z3Th_OcAKXBe4Wmu-Y-KWWXgHmm4MFL X-Authority-Analysis: v=2.4 cv=RoX16imK c=1 sm=1 tr=0 ts=69e51d81 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=V4iKOSeYOELjiAWC:21 a=xqWC_Br6kY4A:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=KHKEB8RYcew9Qe18FDUA:9 a=uxP6HrT_eTzRwkO_Te1X:22 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=2026-04-19_05,2026-04-17_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 adultscore=0 spamscore=0 phishscore=0 clxscore=1015 bulkscore=0 lowpriorityscore=0 suspectscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604190197 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 | 68 +++++++++++++++++++++++++++--------- include/linux/thermal.h | 13 +++++++ 2 files changed, 64 insertions(+), 17 deletions(-) diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c index a728da1f4e56..d9bd7dc01e19 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 @@ -574,22 +624,6 @@ 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); - - 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 9813f02db088..b7e5496f3e78 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