From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6249EC5AC67 for ; Fri, 7 Aug 2026 02:34:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ndFmLvtglCbgUdpFBjfySPC0n0eZtwY946Lp1MLj3Lo=; b=LdXZCaXHFcJGF2djCXXdVp7kWL lZ9Cx17yImcffuLt1gz6AWOUazG46T31sv4b25JapZeHBX2B5uGCfTCSD1VeQRXKndIexHCLUerGt wnmYEmOhy46TiMkz0bfcu6H8B8ZXZiXi7fFBj58L7mw/Pkw5qO3HGSiaBS1Z3mfLUbSv9q5CQSSJL asHKfdLs66sSq8/HBhp0PGIN6tZ2/rw+qHgWWLpdhu7ddY1Wc5w3mNhcUReGu8z2XbTLZj6SyEPse 7JTQLsakfkDz0uH4Tpbf7e97r8J1jAMWXxfw2F8uUH5bxHD6hPMo+3IDQgPrrKOd2j1BLsvUEVMPg zbn4uYlg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wsAPk-00000006zSB-39tZ; Fri, 07 Aug 2026 02:34:28 +0000 Received: from mx0b-0031df01.pphosted.com ([205.220.180.131]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wsAPi-00000006zRK-1jux for linux-arm-kernel@lists.infradead.org; Fri, 07 Aug 2026 02:34:27 +0000 Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6770GwlM3829443 for ; Fri, 7 Aug 2026 02:34:25 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= ndFmLvtglCbgUdpFBjfySPC0n0eZtwY946Lp1MLj3Lo=; b=AoVUPr/KMBCJWVge qjJSDEs1VQYikwckSmo7dfD9rW9exsurvTREmlIY/goqwA3EpvD6QjXkEEbNFLf+ IVCkf62Zcl6gCQGgLwbivuGOQ6g+tUElaqeAt9H3ihgavJ8m1eu5eguyJTOyGBPC RIE7H2c8mDtuceV+a/Bqv26NgznSEsxSmsC5ngZwBZ92keCGplQfZwvXsL6k1ZBd gQ7KnvSjvFetFxuB7ulCTyFVfvFX8x/wyTgzT0J8zer/hWV3+VRxSmQM9RuuU1M9 mSBWDF6Rjq9NsadiuAtO61EjskxftmFLDPBict7DeqZJb3OGRuwd2RTvPAXw2lkx hQILAg== Received: from mail-qt1-f200.google.com (mail-qt1-f200.google.com [209.85.160.200]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4fvy6gsw8c-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Fri, 07 Aug 2026 02:34:25 +0000 (GMT) Received: by mail-qt1-f200.google.com with SMTP id d75a77b69052e-5174a23afcbso31390131cf.3 for ; Thu, 06 Aug 2026 19:34:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1786070065; x=1786674865; darn=lists.infradead.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=ndFmLvtglCbgUdpFBjfySPC0n0eZtwY946Lp1MLj3Lo=; b=JOYU5hchrPYV/7UvUOniWiNv/fpKHzezuEgDYqIn0MNP0g41q8GMyOeTwqw0Cw35dy GkEJ/gQoyERR4N2ixWzNpD6xyTOoxh+deS1DfCpio+YN1exYdMP6SAAbLc17wzysdV9z 4Vm7qbxmkehtDIs2uqCWTZzdwLLTrIfsgxYb19do+pev7ZxfRe8tK2pRaOafwMOm02IH vP89xjy9gDi/sLvKvGx6uIwBrYYHOKOWmHubTOPSSUvnWnTQZyld2S2zYFR5qt/eDwh1 /tXviRzdXXvKeEC4yD2MND/hlhZQpsRT1sfrr8E+SUuqnsT6TEAtDh+8ejH9vvUYNXH9 GvPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786070065; x=1786674865; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=ndFmLvtglCbgUdpFBjfySPC0n0eZtwY946Lp1MLj3Lo=; b=YkTtX77cTGhv11N/F02xU48uxLmOqcI7cIqwAlmFCyACa/wPPM1bfZ/i/XxWlCfI7C h4e2q4qF34h0ZRilMSwCD30we0Vv7n9T+uayTToId/Gl66OZH8t+tPURExFi3LbStC/e NDNwN8dLiMJUGoJZSSiuC712/hd8zXbmlZ4no/heTja3ColYz99H608fi/Ux5TFwkEiy XaKVgdZCrGGAzKzXvtaXjfyTBmNElQno8W5/uwPSgP3LY/v2qNAZAC03UKLeYwd9iaSm +aTPZr0EDngimTPEhM8C0MYU7W0TD44xxmOeKu6xeQRCSz4wrxHgzGnpXCVUuFXdmcjS d2Yw== X-Forwarded-Encrypted: i=1; AHgh+RqQJUVsOKG/q2d136nibuwPdI+qzO9txTV9tBK0Ov2vOMkJVQ8A3BCjTaaapperTt+MI0JW5w6wYUyi9X1Hu1pd@lists.infradead.org X-Gm-Message-State: AOJu0YzBsrxbM9KH6LDW3hnB4a+0+OABnt2y1wRGOY/01bjZE2y5jDZ5 AQIYzde7is5w3wtVUcLvx77f540Agwuq5FzqrR8dz/7V0HM3bANIcfQsBRPG5JMHKapa78SKLCc vLJ1FJwUuJTnkOKds8IWWQ/GwoZLin15kItKpvblmyGVo3mpbfaQ7ytcWA8sobeI3iCssQ9hoLJ ellQ== X-Gm-Gg: AR+sD10ZPXSlDrEa7FS3onFx26AC4wMN1qYaPr1dIPgrj1pFtwSl5AnkNzxpnuqauwU Pncag/JWdCKYE5ZUmnmoSDP7fGouOS02thG8eqo+t9hRxusHzD66ArsztxO6RqVyYrgmFaSDg9Z XaMSyhUYd7gArpLOR2KUbiECRphCGs/aqIA2xX+feiQuyC1h4aAGbVMwV/pJsXIDxtt+/g7Hol0 Acue8RCjWWItdbgJcxSbKjykdGdEZgW8MmAybz1cx6qx5m4P1xSGAsNeABCWpOkki+X++5im0xJ heyyFrMas+nKPMC8JM5Fr2KwT850vkpn8fwYeI82c00RA9T019fjKbi+J8pBMDkduV6m0JXh0rv ts6O/tA+cdA3aJ1VN/4yyTwFBAdAGp0Yj3NphWOL5CBaOKQ== X-Received: by 2002:ac8:5c8b:0:b0:51c:1f97:e860 with SMTP id d75a77b69052e-52d18e1a675mr1913651cf.3.1786070064616; Thu, 06 Aug 2026 19:34:24 -0700 (PDT) X-Received: by 2002:ac8:5c8b:0:b0:51c:1f97:e860 with SMTP id d75a77b69052e-52d18e1a675mr1913241cf.3.1786070064134; Thu, 06 Aug 2026 19:34:24 -0700 (PDT) Received: from [192.168.2.1] (146725694.box.freepro.com. [130.180.211.218]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4995427a4dcsm113421675e9.11.2026.08.06.19.34.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 06 Aug 2026 19:34:21 -0700 (PDT) Message-ID: <64e146aa-4907-495d-b394-7cecb1727816@oss.qualcomm.com> Date: Fri, 7 Aug 2026 04:34:11 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 4/6] thermal: khadas-mcu-fan: Add fan config from platform data Add regulator support To: linux-kernel-dev@aliel.fr, Neil Armstrong , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andi Shyti , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Beniamino Galvani , "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Liam Girdwood , Mark Brown Cc: linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, mfd@lists.linux.dev References: <20260805-add-mcu-fan-khadas-vim4-v9-0-75df78710b9e@aliel.fr> <20260805-add-mcu-fan-khadas-vim4-v9-4-75df78710b9e@aliel.fr> Content-Language: en-US From: Daniel Lezcano In-Reply-To: <20260805-add-mcu-fan-khadas-vim4-v9-4-75df78710b9e@aliel.fr> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=frDsol4f c=1 sm=1 tr=0 ts=6a754431 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=uw/3876vWhRnNVL35W6mqQ==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=KKAkSRfTAAAA:8 a=YaFGZCiNkOP6CsGDcAoA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-GUID: a7QxK27D7g-TA8La783Z30nAjg86imb9 X-Proofpoint-ORIG-GUID: a7QxK27D7g-TA8La783Z30nAjg86imb9 X-Proofpoint-Spam-Info: AW1haW4tMjYwODA3MDAxNSBTYWx0ZWRfX6SHYAurcb8o6 bJXq+SI4gh4xjPUPyZigJRdW9sJ8BttvER7hN1EuMDRVsxFjLqAP4noYATQvx2GuzT6egJZM13w q9NCOJYvezP8XDzYxyLFSU7Rz1PQA5A= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA3MDAxNSBTYWx0ZWRfX9zoyIO9ii9L6 M5S7vLvPY1IwKlxFemDmQhmk1ZtPHpWLKx+K1buFdkETboWyZS9r582/5GsmON8mD9pUAnazn45 C+7SpUPg3qQIpQaj2pISGY6bPWKuEttNIWPbkF+1c773ssrIwvk0TmxgoilLDHQoJSmEGTm8Tax 6OPiRwo3oLpQy0yoyNq3MuzrzPC4Jsg2Cl6Uh27sxwNaPcV10ULzNmTayD2ugolGY2Te5/ezCKd LmOCpWmPViFStQYKtPs0R1QELoV3KkHVe5sL/vIjyzXmUpOfxzZQC0CG4zbQcWkZLD/A2/DZUg+ P2FgCorpRZIH3MqdLYj+a/3xO5HyMp+cQbrleschjv/S/iORPSW2oAdwCrRZUrkNpJ6MBuusRjw 3J1dAVfVom+0+44j/dQSm3WDAse6moG/Q7Z+5L3ySoj5hdvRB3Iz/d5DC2zlP8NltD9dMLg9vdF 4xorlszEoBug2dbp+Cw== 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=2026-08-07_01,2026-08-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 clxscore=1015 suspectscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608070015 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260806_193426_560726_F13FF0C8 X-CRM114-Status: GOOD ( 12.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 8/5/26 10:06, Ronald Claveau via B4 Relay wrote: > From: Ronald Claveau > > Replace the hardcoded MAX_LEVEL constant and fan register > with values read from platform_data (fan_reg, levels[] and nlevels), > as new MCUs need different values. > > The cooling device's state is stored as an index into levels[], > and khadas_mcu_fan_set_level() writes levels[state] to fan_reg, > rather than writing the raw state value as before. > > Optionally acquire and enable a "fan" regulator supply > at probe time and on resume, > so boards that gate fan power through a regulator are handled. > > Reviewed-by: Neil Armstrong > Signed-off-by: Ronald Claveau > --- * Through which tree this patch should go ? (assuming there is a dependency on other patches) * How this will behave with 100 levels with the step wise governor ? For a 100ms passive delay and 100 states, it will take 10s before reaching the full speed