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 1A67BC5DF94 for ; Mon, 24 Aug 2026 14:58:36 +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=7yMYGRsSAF5SF9le8WlaBTBssyzRoC8qWApQAK5q9q0=; b=UqmSQbrxZ8zu64esrkkglgM2XN 5Tl9LwX23orW7ktXcIYNu4JpVA+Pi+6gNepekmFMwshnR6TW50sVceWmgjNVvgjxIcEL4tB19J7tq PFGNa5FB6+4G89CLsgNW12hI4bdTTZjkpWFs+O/kv16a8V6Ezyi1NGrukItFuqCvaX4DYHBCdBrEw W6fjmjAGIb1xRMY7q39RajPaq3TQjGDweC793qqJapFav92qrVm9YS+nKJb8LU7cHl/9Kf6AiNB7w zXNUpIiNXVGwm8FB3ANOaIBjOsFJ+oDEsYoNO3eCQdW7Mz//XZPzW7WuK89K7sHgEs1jk+gLovUA5 a+Km8mCA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wyW83-0000000GqT3-0ifF; Mon, 24 Aug 2026 14:58:27 +0000 Received: from mx0a-0031df01.pphosted.com ([205.220.168.131]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wyW80-0000000GqSb-3UNf for linux-arm-kernel@lists.infradead.org; Mon, 24 Aug 2026 14:58:25 +0000 Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 67OCvB5a2481295 for ; Mon, 24 Aug 2026 14:58:24 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= 7yMYGRsSAF5SF9le8WlaBTBssyzRoC8qWApQAK5q9q0=; b=hhYN+khCexrhNx7F hcjOxeBDx6yzO9fGZ2FoohKEcthI95fq4Qfj/0meUoSBcsYJQ8kdxKUoOMPAcgQp tkh8rhNwNMplykSjFvQ3CjvhnCyosVt/rHHmJfL7rApeP1bdrikr5jJi/N8NZUIc iAZb5/SocjoG1uIKO6q1M1lgfcp9ItNFV2F2MZE9nbXWvRBqwz0QJSnZ4cEv+zjs RhrHR1nNozoUOVlYXvcI92TzJBqLWt2W8ogBbLl6SGUMPLzX3FkEWSrZ8EsA2IdO BdQ8np/5F1WammAerUy6VS87ItnPfp0mvD7QbqDWDA0tbvdVwKdDYFgcMf96Zme1 e9LH2A== Received: from mail-qt1-f197.google.com (mail-qt1-f197.google.com [209.85.160.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4g8kdshc5x-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 24 Aug 2026 14:58:24 +0000 (GMT) Received: by mail-qt1-f197.google.com with SMTP id d75a77b69052e-51c9e97b626so6320601cf.1 for ; Mon, 24 Aug 2026 07:58:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1787583503; x=1788188303; 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=7yMYGRsSAF5SF9le8WlaBTBssyzRoC8qWApQAK5q9q0=; b=U3mJpYIO8/jTkNAQr8JeQQVbGl+k7v2lZZzMM4BtlocSl6rWHH7TuHfIR+zd2Mrt5a QVnsZH7MD8aMpnVbDzNMRYXJATrwBrRgV85U/SMRK9oiVDs7xhrj1VC8HTW8r+WoSYZo 0GiLDVmyaErnfGHMB9EmxPGfnML59nJFBa5zqvNyqMrH9UQ0+7dEyikeWka0dLa0vWf7 fkEPks+XjUd89EDgm/A6mlrO+iYDp2orQa5i0oftJ2xweAtx/aQ9DfmqcL7iTGLsuiNl CJAGrSmd9F/w5DUCKjGE/e8D/+2PlRI3jfSTFcqU5myRY6XrY54hb3YNiutw7S/wlgeQ sWbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787583503; x=1788188303; 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=7yMYGRsSAF5SF9le8WlaBTBssyzRoC8qWApQAK5q9q0=; b=LmhFgCe5ifrePESvWqPjxsMWMhlhysLcFaghkBfULznR2zpoV7q/UAnybocsfDuI23 23sAlcoX00fKGq/+owV8gQCcra7zjesKP/3Y0AAHmbJMlrX6x1IAkGa+sDsAn5B9IUYI fmSqefc9zxAQvspUngbz1ni4Dg7DP6u2MqvgzRhZptx2DnOFMok4P8TLVzdbE5PkXGbM IFJa3vW9LXRn5dSfvbxJCkyHnxuQpLcgwQFU0X621R+cz5KNgNbabVk38VIdMj39UCvJ 9DJnOUWgxEXenkTArj2HiXFYf0hoU1sxzvi0ufzJczsqfe7H3h+Zv/juzmQlU1pqoUtK oQIQ== X-Forwarded-Encrypted: i=1; AHgh+Rp0w3PfG7fpN1CwhktVW1SmefukCuiIibMEvs6ovJpEjR+nOHLjBx2kcydf/zMRIc5amoKJht1HAmI5UqX9HdUS@lists.infradead.org X-Gm-Message-State: AFuF++lEvhMxf4/oQSutEhZ8iuhsULh74/gkBrl7nL/xlXLInIygHCzh BwzefifnGyfiMqWF3gpk8nUPwYZmS72yOrxiWzrWVVT21APOAQM8lopJ8wnhtS6MVwO4vX56u15 NZcdiKiaUixj2eXJ5mDNG+2c/ZJmBlNvbFDOo96Y1UfCiQUzBrZWGwVZZ2FK+OKhVQtsIJpRtdy PKgg== X-Gm-Gg: AR+sD10JMQ4qnIeOxt62y1OpIabZTMFgZamh2uU6RaGz7PDMCPBmZSGHJHOudzBNA/m UsYYTidkxj5EhLklYRPQCTGYAQkv/Y62lRXWqYHtSU+mJZkt7dV7oeJpQUXDhnwEZ/AE1T8g8X7 b+tMiVFwWhiGlWgpVekyH9rXm/7OS3geRyZtIjJEUPMTKth40+6l6yxixbW1c9cSYL27nBfKrpC DHAHOtoCgGkNZLG7LhAkPAPW5BaK5YGX6aOEfJqgV6QRQ5a8LSSxIG7Kbl4e7icn8JbeyTcVCXw +gLBA4P5EmzLr6oucz8t8t5UyRnngQeJXTGfW4QW1zFj4IJEqiRsA/BaQh/2Lk+e9Z8ywaMJTUz fOszySlaPuWhvgI5gIoYVZpfa X-Received: by 2002:a05:622a:34e:b0:52b:4ec6:52c1 with SMTP id d75a77b69052e-52df59fbd50mr211834361cf.3.1787583503275; Mon, 24 Aug 2026 07:58:23 -0700 (PDT) X-Received: by 2002:a05:622a:34e:b0:52b:4ec6:52c1 with SMTP id d75a77b69052e-52df59fbd50mr211833791cf.3.1787583502825; Mon, 24 Aug 2026 07:58:22 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c249629a901sm1453437466b.25.2026.08.24.07.58.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Aug 2026 07:58:21 -0700 (PDT) Message-ID: <5d2504be-0691-4174-9d98-7759205718cd@oss.qualcomm.com> Date: Mon, 24 Aug 2026 16:58:18 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/7] soc: qcom: geni-se: Add helper to set SE clock rate via OPP To: Praveen Talari , Sudeep Holla , Cristian Marussi , Ulf Hansson , Bjorn Andersson , Konrad Dybcio , Greg Kroah-Hartman , Jiri Slaby , Mark Brown , Viken Dadhaniya , Andi Shyti Cc: mukesh.savaliya@oss.qualcomm.com, chandana.chiluveru@oss.qualcomm.com, arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-serial@vger.kernel.org, linux-spi@vger.kernel.org, linux-i2c@vger.kernel.org References: <20260805-derive_clk_perf_tbl_from_perf_domain_opp_table-v1-0-61171ab1cdce@oss.qualcomm.com> <20260805-derive_clk_perf_tbl_from_perf_domain_opp_table-v1-3-61171ab1cdce@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260805-derive_clk_perf_tbl_from_perf_domain_opp_table-v1-3-61171ab1cdce@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwODI0MDEyNiBTYWx0ZWRfX74d9MUFlPcHk nZGce/NtXsfnll0IU1q91IsqBzafOVzWVJtj29R1edIYyuFV4Vhj6oqtIV8ipo2cZ4a4IAiOPyK +oo03HuuqpQIwA+wyeD0Ev8uw7zQHy0= X-Proofpoint-ORIG-GUID: AugfaFvZ4XMwYe5ZH3PEzrJVyANvCA2Y X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI0MDEyNiBTYWx0ZWRfX5IJu5QKmx7LS 0Dxzv+TxD7orf/uaEc+TeL0dUrPk8MacCaAytocEpPD0mLCLoRdAD2cBTw6UC/A9H3AjH+ueLnf wOg978gNXuUZ+y1gB0wEbrNi3A4W/S+7gUHR0i/vmsW+NK0ICXJMZlJ3HTI6seRMzBjmX1uJOW0 YTzcQbycqk03/anIjZgpq5oMdZdd+CXBsy2PqJFWakWBboTnK8ei6Yz/CmhSoxb5MWaHOa4Q6bs 58XwetDdqRGGsd3KC+RsaqfE1MTJHCtsnhdnOWmySxHkl+bbqwKdFGxERWreVncenJW3UoWjiaA 0JPnDwIu3wVjo/bzh/TouhvoEuOrRucJnV6FbEw1Ov2wUFqluMON9Txn57bECXPdtp/XkUqem0s Hdj8DzB980rtPWY0/CE+y+LM8+Azh03rIaVdmyCRWj9hDF4iqUM3hOsjbyY/+v/tblOasp82rMN fB8I3yAEI8uPNQjC0Fg== X-Proofpoint-GUID: AugfaFvZ4XMwYe5ZH3PEzrJVyANvCA2Y X-Authority-Analysis: v=2.4 cv=d8DFDxjE c=1 sm=1 tr=0 ts=6a8c5c10 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=ieDA_EM_2LYBYmKFcIMA:9 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 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=2026-08-24_04,2026-08-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 priorityscore=1501 malwarescore=0 spamscore=0 phishscore=0 clxscore=1015 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608240126 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260824_075824_914668_F63D6773 X-CRM114-Status: GOOD ( 17.21 ) 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 8/4/26 9:57 PM, Praveen Talari wrote: > GENI protocol drivers need a common way to scale the SE source clock > through the OPP framework. However, the device that owns the OPP table > differs depending on how the SE resources are managed. For Linux clock > managed platforms, the OPP table is associated with the SE device, > whereas on firmware-managed platforms it is associated with the > performance power-domain device. This requires protocol drivers to be > aware of the underlying resource management model when requesting > frequency changes. [...] > +/** > + * geni_se_set_rate() - Set the SE source clock rate via the OPP framework. > + * @se: Pointer to the struct geni_se instance. > + * @freq: The source clock frequency to set. > + * > + * Applies the given frequency through dev_pm_opp_set_rate(), targeting the > + * perf domain device when the SE has power domains attached (firmware > + * managed path), or se->dev otherwise (Linux clock managed path). > + * > + * Return: 0 on success, or a negative error code on failure. > + */ > +int geni_se_set_rate(struct geni_se *se, unsigned long freq) > +{ > + struct device *perf_dev = se->dev; > + > + if (se->pd_list && se->pd_list->pd_devs[DOMAIN_IDX_PERF]) The latter will always be true if the former is Konrad > + perf_dev = se->pd_list->pd_devs[DOMAIN_IDX_PERF]; > + > + return se->has_opp ? dev_pm_opp_set_rate(perf_dev, freq) : 0;