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([2a05:6e02:1041:c10:8d9e:b00d:491:1503]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48e25828cd1sm5814797f8f.22.2026.10.21.07.47.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 Oct 2026 07:47:32 -0700 (PDT) Message-ID: Date: Wed, 21 Oct 2026 16:47:31 +0200 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] thermal: Share THERMAL_NO_LIMIT between kernel and DT bindings To: "Rafael J. Wysocki (Intel)" Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, rui.zhang@intel.com, lukasz.luba@arm.com, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261021134243.35103-1-daniel.lezcano@oss.qualcomm.com> Content-Language: en-US From: Daniel Lezcano In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=d4JgWhjE c=1 sm=1 tr=0 ts=6ad8d087 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=1H47zwKHx6KseS8sNJwA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIxMDA1OCBTYWx0ZWRfXw9K94DfWGtzi s2k4IwJvSCaRepxsNdBjanirO21aDpziIVmbXGQPhm+mc040+CSaA6WaLU+ZJLbfoumfT8d2xF7 lhaqkNZqaMedaHxTD6cABb+wNdtLvOk= X-Proofpoint-GUID: CYlBJ4rPzesKLe9E0An15iXx1q3qq5t0 X-Proofpoint-ORIG-GUID: CYlBJ4rPzesKLe9E0An15iXx1q3qq5t0 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIxMDA1OCBTYWx0ZWRfX78cVutPJOeoy TV6LXfubSdJLRSJuI+W2t2gqggx1z01oen6lVWl4cge1sqMPvmb+3y+rRDzEbs+JOghtpLqILKQ fkk51sLu8HNlC9I4ugum8ZjZiBA7WuPQNFdtJmPnF8XlmaUCdG+K6vWM3GxZ2ZG0tl/49WtmDkc ZDP3NdBHnCSSFWa/oSPO8GoaQErUI4UBUWUGtLCrqWWGE/rpI9OyuNkl0IGgjW22fMyXyEmYRfn ApcCEVJpJ8XWnIR0tRDL0SLcnrKNuxkySuz+xG2V9ayIR/+jPuWouAeWpDPbgO/lEp5fCqYcUxb Uz4S6xDtNC4RhRqRaSIc59jINbFW/uQEM6VjFpRCPRBPpaxw663eLiF6FgJnqyD0jycr3HNKeJL 3yrb1B/nRV/Nmz4Dlb5H6wFk2ipMZ9/v4Kp/4OkYM8SyoAvC8B1EbfqDexRfKTWesLRodU49/jE 2bypfZ+h9Z/+yKfnc/A== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-21_04,2026-10-21_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 spamscore=0 malwarescore=0 priorityscore=1501 adultscore=0 impostorscore=0 bulkscore=0 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610210058 On 10/21/26 15:48, Rafael J. Wysocki (Intel) wrote: > On Wed, Oct 21, 2026 at 3:43 PM Daniel Lezcano > wrote: >> >> THERMAL_NO_LIMIT is defined separately in the thermal core and the DT >> bindings, using different expressions for the same no-limit sentinel. >> >> Define it as 0xffffffff in the DT bindings header and include that >> header from linux/thermal.h. Remove the duplicate kernel definition so >> both interfaces use the same unsigned 32-bit value while preserving >> the existing DT encoding. >> >> Signed-off-by: Daniel Lezcano > > But THERMAL_NO_LIMIT is also used by the core on systems without DT, > so why is defining it in DT bindings not confusing? Yes, you are right. I missed ACPI relies on the THERMAL_NO_LIMIT default for the cooling spec