From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=205.220.180.131 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792503842; b=HtTcTL71V+KI9zvzSx6zyXnATtyuB84xNiWMyJoPUcvWGquYjiLkKWnTgM7zADL1IOQg LxSdD4o93oRoz0NqtHT76lunoGHckTtYUeQ2+IP0fTJ+a/m+5fsrJBTjfaOEMEdeAOZyX fdDPtAjHeS1w2MzHNIvksCGBjlpreErL+3YnzR+quyIl16krvnUlAB1FgDLTlmGV/KJ71 F2tpbEVzvDRoAGpoFTTUfj1rq66Vo7/pexH1lp1TjxthgVaSZriAx2+iDmwwUKUCSYinB pRlOzUHu1gTlFdM+ehzSEicN9FUbDZxk/W5TcfzUQ7/TBcPpO0f1GL2JXuahDmxrFPw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792503842; h=DMARC-Filter:Received:DKIM-Signature:Received:Received: DKIM-Signature:X-Google-DKIM-Signature:X-Forwarded-Encrypted: X-Gm-Message-State:X-Gm-Gg:X-Received:X-Received:Received:Message-ID: Date:MIME-Version:User-Agent:Subject:To:Cc:References: Content-Language:From:In-Reply-To:Content-Type: Content-Transfer-Encoding:X-Authority-Analysis:X-Proofpoint-ORIG-GUID: X-Proofpoint-GUID:X-Proofpoint-Spam-Details-Enc: X-Proofpoint-Spam-Info:X-Proofpoint-Virus-Version: X-Proofpoint-Spam-Details; bh=90cPQy1RXUCyd0qA/++VQhZjEso+RPuRMyVzvI/5W+4=; b=DxPAiMDYqqkdYuCU8u+suk3dsA4Va3at375xHSW5bLqFBmM1QdRvqtyDVRHaa2aznfTz ZkN4DUQoE9dnubPFjO4LU0Q6VPejWvjzw+Yj9Rhw5S1fmcqeYEaq+LbQ/u7BZUHkEFmMv rGorAWcUwuvxdO39JU1TQb4dSSpGx19ZBXNs3AZ+q0Pe/amVAOwXjPGVY7LQNjfVK9fSp UXd7OvILQchYrRm6N7THOHKG94oaEXjj27NJmyWEVSb0z0KgbjG/t+Wt6aBpOOPT3+hhm zAflNUuH1pA2zkUdPj8uAIzHHttSfuYQjvWoJMLuzaD66jkTyc57bMLnU1ufDmarLXw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=JpwEQU38; dkim=pass header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=AvI3hUCR; arc=none smtp.remote-ip=205.220.180.131 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E71A6606F46A for ; Tue, 20 Oct 2026 13:44:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org E71A6606F46A 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, unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=JpwEQU38; dkim=pass (2048-bit key, unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=AvI3hUCR Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 69KDDp5X2305717 for ; Tue, 20 Oct 2026 13:44:01 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= 90cPQy1RXUCyd0qA/++VQhZjEso+RPuRMyVzvI/5W+4=; b=JpwEQU3882d+dIg8 ktMu/sJh9xwbtTmoE4Rvhr7dsQ32fpyggNlA//15UwZd19H1RfvQ7BKXHCUMQqGY 6RbCbtJDFo9gA85KYtsVkYnUvNsNRtwyshYmgvxVvVeSCBT3k3qmQUxHBI0nL5Tn zuxT3HThECAQsniXfUqtG2LXHIZADsQNO3siSb2PoPi5KcxBjawbLKwrAF2vZQG1 lPW0Q7RILtqOuvj+9kWp9oBec4Y1oQS1OVMyQj2cIIeQqdI/FtT6A3GCl5wZjt8t bBkD9Fwn8141R+Q0qqR1dICdFKs2fDTZan8BJxpvvfKQtHClJsvXKtMlDNglpfzx Nyj9RQ== Received: from mail-qt1-f198.google.com (mail-qt1-f198.google.com [209.85.160.198]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4hdw5pjqym-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 20 Oct 2026 13:44:00 +0000 (GMT) Received: by mail-qt1-f198.google.com with SMTP id d75a77b69052e-530cd3dff25so4037141cf.0 for ; Tue, 20 Oct 2026 06:44:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1792503840; x=1793108640; darn=vger.kernel.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=90cPQy1RXUCyd0qA/++VQhZjEso+RPuRMyVzvI/5W+4=; b=AvI3hUCRr7cAp1J0PdSuCd/SJKlyeWUy58WOZbzwiClL+vLVjBnBUWX7B22qHWPWaj tDw6G4CXiLmBZz4IZRHO082ert8T8jAUPTPhuEKdHJ5IiPHvlgEJrjWSHtMzkLGaSbFQ PwOTpYDuUGjfU9fXZMAfeNCjhx6rlFTab4Xb4FPXVq9Gv0aYx5rIp5e3uzQda4lCbael 6gE/IeooyYLmlIkZdfX3wV814sw9s2K4GOF6e+9S8hzQOuSBT6JzsIvGNtIkWsL7zf6y dtC0eBZRzwo+kerTbLHUlZCbciyr+hhd2FVUyiKYImrvhq93yag2db1rI+sN4cLmjOcP Jdiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792503840; x=1793108640; 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=90cPQy1RXUCyd0qA/++VQhZjEso+RPuRMyVzvI/5W+4=; b=w4YQuMgrv784hXYyeYwYUe2hHDpezlvUOH/QpqdRdX46qmwi2grO3uA+L0xGgypzVE s0sghASuDZv1+sTHlm6uFcd6UD1f6JZDZBBTjFKd0A+A8G6tUJPdVrMBj5rjPaCIKq0u K36qQ1A+1BlF8n4W+1CiSpGvq6rJGgjNW8W+FxgAkgvCHCCLcxaV6HieNEk9FgM+WuEx t7bzaqMDiWXi/rx35j7WdzowZ6QUDIbUKI5j8MOVN6R4H2SiKkCyg287asJ6uc0tMJJ9 6yKqikpGjvtvsVuHWQOA+Zhurx3FQ7OIGqqhuNonE9XMyub+foWj9o/NQgRCSzFmd5Sq xPDw== X-Forwarded-Encrypted: i=1; AKwUvByPiBrR3UZDHrmDsWhul8HErrapcOTwoUkD7pMRcNUoonn5iSUgV35CfApDT4r7gGlb7BI1uGL8B4oBsjc=@vger.kernel.org X-Gm-Message-State: AFq9FYLB+ypWwwIXHw8uBdCsaNUzlXc7n74GanCXWkQK6EQ81uwqbj8J ZW+4RuvrrNa+8kN8ROja0C9piDtMA2I58QLTLnd+aOrnwsRLTa7C+7E911AQhQt8W8k0pP/xDNU TxL+EoWm24+QY+6lLX2ftGLahb/aa5oIbVTjUHAbVBxqvtTDJzFDYQs2SGxux5J5sguA= X-Gm-Gg: AYBFou0ByKqkp4b8ZzZKKMaM9elldUc727qOiR2n8Da/lCI+qI449wgeSBpPFMEAq02 gKt1Bv0sUQFLDHOIEW+A6nq7vsTNwDIOPC1Ykm4oABvm9cdFG7vvG5m5vGdlbJ3PuCk5lL0xiJB BnEOrTX4/fv+KZyW7n2P8/9iU0U8Pejfoa/btGUYQS6NwKy/xEBftuSSFcUDJ3BcztiEVmN9XVN cB5yUg6JApYYTzm7rZzTIyG6CBfmND7qq0QjDaIf33eI72otDXBBSQYqCSaGlxhlXAKQR+mNVb9 hJr5+PGidm+uaTFKh9RQsU9CGZrEVE4XhaX3LoQ68hF8298TBdc3lCnOgDssSmUnqZ8tiph7JVv 86BkEuKYjGcwKhtVpywZnMA== X-Received: by 2002:a05:620a:800b:b0:939:eb09:4458 with SMTP id af79cd13be357-93f29ce0b63mr2180701285a.3.1792503840135; Tue, 20 Oct 2026 06:44:00 -0700 (PDT) X-Received: by 2002:a05:620a:800b:b0:939:eb09:4458 with SMTP id af79cd13be357-93f29ce0b63mr2180695485a.3.1792503839596; Tue, 20 Oct 2026 06:43:59 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b38a1337d2sm5441811a12.1.2026.10.20.06.43.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 20 Oct 2026 06:43:58 -0700 (PDT) Message-ID: <11891012-6a4e-4d7c-8155-cd8266e00bc8@oss.qualcomm.com> Date: Tue, 20 Oct 2026 15:43:56 +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 v1] arm64: dts: qcom: kaanapali: Split cluster power domains To: Xin Liu , andersson@kernel.org, konradybcio@kernel.org, abelvesa@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, tingwei.zhang@oss.qualcomm.com, jie.gan@oss.qualcomm.com References: <20261020063721.2306679-1-xin.liu@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261020063721.2306679-1-xin.liu@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=a7WlZkSF c=1 sm=1 tr=0 ts=6ad77020 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=0piBkx7tkWQQxamy7twA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-ORIG-GUID: uAAimOgT3pJX38m4AgBCadQ_NszyJ-B_ X-Proofpoint-GUID: uAAimOgT3pJX38m4AgBCadQ_NszyJ-B_ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIwMDA1NCBTYWx0ZWRfX1Sdl/FqJmSDu jCrxTaAb1jpJ4YrPRoRVX2LD+SUUOfrV0xPciRnaEMrFmWVTu/99mOicSJqlj4KbTtIbuKwFAel A50plfJ09DcAKfG3EcATM42m4qhkaECV72t9T0nrXmO/iYSbqg05DAl2nHK1hG0RNlvfwPh5jKr 6afWLCCrolb0l05fmaVjDX0m2A+rsyx+FlhkBI4Ps3x30EyZNTZbcevT3ssobMH5GiCUkewuAT/ 3DLCcOp2C2gY6gQDmnSluw+8lVEEyAn7aHkjOo0gHq0PF6LoM2EKoraNHtogtpNO8C42g3wIJBr TNnsL8GWYQ+gnVk6t08m+mErjGthn3GoTNbF+ECyoGRgqHMO8EAOYuqI3KrgE8cz6URhdGcJTwt sdgu8r7Llru2WbW4/p6PCAqGJznV3HkIVJqWAGPOpkU1/VwBcb7V2k+xNIQi0Y3Uj+79mbk7j5c iMEWwr4bvrSR5r9aQfA== X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIwMDA1NCBTYWx0ZWRfXzZ/Dm+jkztR8 /Py3PaXq4jvcxzRMZU4ccsN4edVp+LDfTX5+qQ3QOQKags9aBt3YfOWDequxC1cyrQDA+6JkXqp PoO3yzp2Fr3QjUSQT+2QTmuub9yn6HM= 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=2026-10-20_02,2026-10-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 phishscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 adultscore=0 suspectscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610200054 On 10/20/26 8:37 AM, Xin Liu wrote: > KNP has two CPU clusters (cluster0: cpu0-cpu5, cluster1: cpu6-cpu7), > but both share a single cluster_pd. Even though their domain-idle-state > configurations are identical, sharing one power-domain node means the > kernel's PSCI domain idle refcounting merges both clusters together, > preventing either cluster from entering idle independently. > > Split cluster_pd into cluster0_pd and cluster1_pd so each cluster is > tracked separately by the PSCI domain idle logic. > > Link: https://lore.kernel.org/linux-arm-msm/1ee9b624-4580-4650-8e48-d517ce9eee3d@oss.qualcomm.com/ > Signed-off-by: Xin Liu > --- Reported-by: Konrad Dybcio Reviewed-by: Konrad Dybcio Konrad