From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D0B7A3B2FD4 for ; Mon, 29 Jun 2026 10:24:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782728694; cv=none; b=O/ZMJuRqVBJfH+HfG3p5iB8434UH04LJwrGdzsQSKG8r8tAJkzdEx5Bt9P7RIVmWbuD8jkPGj8NACx72TYpIK2VR5jCCxcQyW0b979tRdaF61gzj9FHXOqUviVSPAhPEs9c8yNJ9Gt95+tFhuIXpJK8FQ3j4OaUSX8vG8x6Qh/s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782728694; c=relaxed/simple; bh=gx6Hc+xwDO6+Tr9b3IiC7MpXO14GpZ80jXnsZw3dv9E=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=V9xFvLjjOdRPHDCnR4JnKNy0HISLG6RN/7JMPomX13lgUJX27yqqkazFF0t2P+15WJ4e2MzLnM8mgxFlMrBgYsGpG0XvA/dNYr6G5bua9pU84RSM1DA5oPo1/t07dKouCjrkf+YVcfDnYePAgQ8F/WY6RIMXNxZYl4AjBOsQzV4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=mpZs+7PK; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=kW2GzBCR; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="mpZs+7PK"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="kW2GzBCR" Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 65T6r52s2076419 for ; Mon, 29 Jun 2026 10:24:53 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= l1Fbhotj1M3nPhbbjSPmKC0CX6nRcaFEC/MDtEsul2o=; b=mpZs+7PKc3Ubkqzc 7uY8WYPtje7SgmtgutoA1jnVTJvqqiEy2UG8IgA+JsjQbA1QFHoxpk4FNWtEfcR1 jDF+u4lU6t2FhqvT9sKEi1ZxEpWIyRaGV334w1C8AXzL8rC4wDS6ngj/sNuyxEME X6huopiWCmvHhw9LVWeE/vttniqQ4szGKWFBm9FPQVNqEM6cl9bB/UNCIFQo0AOJ GUWJVaRo/AlJFvK/qu8/uFk6lFypZvcvgsaphu2jD8B8I0IGN58VWN6rSoKwbzlR OMJx/HhucffyV2ebF2txoJnh+nVftvc/klPtwVSkcGPrewXFuOmBoUFDDhuC159A Xgx75A== Received: from mail-pf1-f197.google.com (mail-pf1-f197.google.com [209.85.210.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4f3kp7gvrp-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 29 Jun 2026 10:24:53 +0000 (GMT) Received: by mail-pf1-f197.google.com with SMTP id d2e1a72fcca58-8478947e047so467793b3a.3 for ; Mon, 29 Jun 2026 03:24:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1782728692; x=1783333492; darn=vger.kernel.org; h=content-transfer-encoding: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; bh=l1Fbhotj1M3nPhbbjSPmKC0CX6nRcaFEC/MDtEsul2o=; b=kW2GzBCRpy/7ACSQjmSIpoEITbuqhK+uKidzxGkwHshyCe2WjuCO1uGPMYWzXHXNGX kwH7uYiLe5lJKU1DEIlUHjTci/ph4jO/RvlE5NJ6iLj8nxeJx1OXE16KvjTPEqxXhAax /u5mJwgyoTJAR0CrD7L2gnEqY19Dd5waaqGuK7b9BgNw8fYkcw2AIGf52jj0szRv7Ofl Q1gvbQS1coKAC2UjoI4d8wx/d6T9bz+X7n5pguXyQkejDWb7RTQLoH+Wf4CD7pQXjnZq gqXF+3BNiRsOvtfGBLLkFoYUFGbVV0epPAVcXARkbVkvrXUEc0HKs9QcXnEQmI2mkwsl fgUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782728692; x=1783333492; h=content-transfer-encoding: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; bh=l1Fbhotj1M3nPhbbjSPmKC0CX6nRcaFEC/MDtEsul2o=; b=KlsFMlwwhCiFKfb7fK5gTm9n96x3TfXtXxKbxbvMcfH2Qt91PfGgIEf3rSlZ8nYZDl rzWgHZJ3uMqT32VXDefYplB4TRG1KivyAuvgjlFYXHKQ35MLYqMO9PztZM42MqWhwArM V+sypQrLGjRFihr5C1BblYuol6XRIXz9Ltts7ExvuZtKbmgu9Klf0H8tIGz5aw3ivyuy A9KNvDHqWPOcsZHNGYH/bq0ha7FzzCc+H82ESVnoKggs2lTCEVlnV/WH3/5LDh9IoKwT u6wjLR0Kw8Yhdm7MjuogFmdAk+VMXPrenHx0/AKSwNYECOI3xQrBVY9L0qmPBDrqREbQ Y6Ng== X-Forwarded-Encrypted: i=1; AHgh+Roi+pguapOBMCbT6cVtwE3PH5chs8rePypuk2+xdzthtughbujd4grTrnc2lOkhtciBQkJFVXG+3JBOAUQ=@vger.kernel.org X-Gm-Message-State: AOJu0Ywo0eAvVI96odR2/6hUpM4LoIyKwa4/Z1DCSourZ9Vdd1jtAGaC YmkpHTaDeubne2iW6uCiGqf3loKLyeGDGMzcqDhuwWrcQn33hZWeMf+VNsflOrub/F2uTgQxRpR O5XDlvctI1lbE5kks06rgSNicW4OYlcvMSMVYxdnla316utT1hFL+nqpUfHnMnpexc/o= X-Gm-Gg: AfdE7cmjNu74usZtqGfu8RzeZrIXZnSc9DR6gbk7rMAbU+wcwAprIA9FJ/+cFdGHyoC IOO/EQs+umfBwJP3SAMhjujfnNw8ijrNrB2UOwUjaAV7UXxSct7F0IOlkA5YOH2OAbOdtSUSTqX RRydXPXUFWIvuhOfu7lTIYVdZxWllK4xjc9DU4QkcxwH5iSU+6OQxLl3DoHme+K8WSXQGhSsJJZ IIvEnp0njCKtth6/Kvn9QOoV5VZLGW1XOBDEHgLH4tel2z2zmQHCEdyvpGSZ2IqzBS5DFDI1Lu/ FhR7ju4cWPqKA//ejxYHNRbyLPTZrZNVNzhwbEQPLGp71/gBNjiT4oJ/h/w1Mk7tem856yc9BMJ ukmAUxguB4O2ZMWXYBXWgu1w8SDPNqj4AM5jUeM1uA9E= X-Received: by 2002:a05:6a00:8c11:b0:842:672e:7b5d with SMTP id d2e1a72fcca58-845b39f9acdmr15279462b3a.17.1782728692425; Mon, 29 Jun 2026 03:24:52 -0700 (PDT) X-Received: by 2002:a05:6a00:8c11:b0:842:672e:7b5d with SMTP id d2e1a72fcca58-845b39f9acdmr15279454b3a.17.1782728691963; Mon, 29 Jun 2026 03:24:51 -0700 (PDT) Received: from [10.217.222.146] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8477594750esm2435981b3a.21.2026.06.29.03.24.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 29 Jun 2026 03:24:51 -0700 (PDT) Message-ID: <86321e30-2bee-41bb-9d63-d0e6ab4154db@oss.qualcomm.com> Date: Mon, 29 Jun 2026 15:54:44 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v11 5/6] arm64: dts: qcom: monaco: Add OPP-table for ICE UFS and ICE eMMC nodes To: Konrad Dybcio , Abhinaba Rakshit Cc: Bjorn Andersson , Konrad Dybcio , Manivannan Sadhasivam , "James E.J. Bottomley" , "Martin K. Petersen" , Adrian Hunter , Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neeraj Soni , Harshal Dev , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, linux-mmc@vger.kernel.org, devicetree@vger.kernel.org References: <20260609-enable-ice-clock-scaling-v11-0-1cebc8b3275b@oss.qualcomm.com> <20260609-enable-ice-clock-scaling-v11-5-1cebc8b3275b@oss.qualcomm.com> Content-Language: en-US From: Kuldeep Singh In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNjI5MDA4NCBTYWx0ZWRfXxazRDIoBHuGt 2NZkEb0Rw46lXiuhS7ogfz1LN2yJf0lsSNmKetz7GYptWHP1d512ygZdGU/2QmgsAgUD1yMGfoO UXuunsH/xpJ4LKvGrIbALoEUdwhc+HM= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjI5MDA4NCBTYWx0ZWRfXxKrzKbQanjNe dj1Xw0Rr7tblTRxRcxUNzJuAnAr3v+Z0ao9fIppvTdSST3jYSBFAIdMOSeqjx6IlUh/FiVvz3ru 9dqIk6U7k2ONxLtD33DL9wwri/Ng1gXw8rchgyAxJolfMKNrgh2Or4YJ9kOJtDvM2G//DFRrGr1 6FQp1HkKlSAKOKDXOC+YfHoIjl572xxPlosGcPAjv2iwU15tHGoOLNdRkdJeGFqSU12poVy1r9C EN+7Yja/ThU6acX8bx08lrHb3gCRrbkCZYRXqunihG/R2FnsOoCGeYIB7VYBMRHciHj07fDcIQa 7JCalcytE7ho6Yz2lHhmD4jxJXNItajXw75eP8trX2J4yFLYJ3PGFN4+2a6dAPPJRKKT9g6MIDI bidCkvtz39x52n51ytdN+veH8dhO3Hfcmsk9jX4Cfix1SAO4KR5psQQi/lddjOzMJ8DMbytCxuU kRMEFdmwgh+9gVLGnHQ== X-Proofpoint-ORIG-GUID: -ULrUTDQSuldJJ2jJ-4kpVgj73NmIM-i X-Authority-Analysis: v=2.4 cv=MZJcfZ/f c=1 sm=1 tr=0 ts=6a4247f5 cx=c_pps a=rEQLjTOiSrHUhVqRoksmgQ==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=nI5agbhGWDarof4E6psA:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=2VI0MkxyNR6bbpdq8BZq:22 X-Proofpoint-GUID: -ULrUTDQSuldJJ2jJ-4kpVgj73NmIM-i X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-29_02,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 clxscore=1015 phishscore=0 bulkscore=0 impostorscore=0 spamscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606290084 >>> Since 75 MHz and 201.6 Mhz require the same power level, is the former >>> OPP any useful? >> >> Yes, both use the same power requirements. However recommended by the ICE team, >> the DT should include all opp/freq supported by the hardware. > > Is there any reason at all where the OS would prefer the lower OPP? > > I think you at one point mentioned some dependency vs the storage > controller's clock frequency I think Abhinaba captured all possible frequencies(even lowest ones) as what the hardware currently describes. It's upto storage controller running frequency and let it scale ice clocks to higher/lower to it's max capabilities. Describing hardware based information also avoid revisiting DTs at later moment. -- Regards Kuldeep