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(h-178-174-189-39.A498.priv.bahnhof.se. [178.174.189.39]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c243c4ac06asm94124666b.33.2026.08.19.08.15.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Aug 2026 08:15:11 -0700 (PDT) From: Ulf Hansson To: Sudeep Holla , "Rafael J . Wysocki" , Daniel Lezcano , linux-pm@vger.kernel.org Cc: Lorenzo Pieralisi , Christian Loehle , Maulik Shah , Yuanfang Zhang , Suzuki K Poulose , Ulf Hansson , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Ulf Hansson Subject: [RFC PATCH 0/3] pmdomain/cpuidle-psci: Fix behaviours for CPU PM domains Date: Wed, 19 Aug 2026 17:14:50 +0200 Message-ID: <20260819151457.256959-1-ulf.hansson@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: 3h_Bysn64mRhYW2RaZLFGh0oFr1Qoshf X-Authority-Analysis: v=2.4 cv=EaL4hvmC c=1 sm=1 tr=0 ts=6a85c883 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=h7aNHqOhPKB91FvYUefsSA==:17 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=yh3ps83G6N8KMOvRL6AA:9 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE5MDExOCBTYWx0ZWRfXyCXGZ+4cjMRC 3kJ5ZCTaQADAz5+ObE5LTvE2QpHJVHDTlE33dM8aXw3vNIWz4YUHT/eyMw9t34EP9dX1AdcGzOj xHwS7vqpYOTAkl7+KoBIOPJ2B334GpTaIlLKUIy2s76ImHYrSTjBP95KAJJ7VFJ+PTLrRbBedNF MPpux25FfCogNUEbBNMyE3FPDfNPdoBqp3kutrgBe90SZ7R2w8usBBIGfwURb122wVbYhkigBSM jW8f+y3IXbbPKT/x5mWBlcnyQTzNUFTLIKjdCByift1PKfJKoqRlK9LJPTBI5XdPhE0IogWfmm1 BtcOm1KxplviePFUjrUJk8QupvGoYgUr6g/KhXHuvsgjdNpP2NMpBfPftpIeTDJfhC+XGhf6n1w TvjFgix+O8wV4R/QmTAh2iJ8y3YWs9Q0FFdQENt+edw2ED03WLRKl0HxCv/7oHCppJYwv1J5T9d YP6UYWUAYhA5bONotgg== X-Proofpoint-Spam-Info: AW1haW4tMjYwODE5MDExOCBTYWx0ZWRfX3GG/p2kzUC8+ Z5Ei78vWCf13Yw7m99wuetrM1OfSTe7d/PXmxSkbPPD1LZr+hPFvJDZ3kdZtdI98+yyWJP7mu0M aeJq0HqOdI5D56jQo3XovqDyHYjLJsM= X-Proofpoint-ORIG-GUID: 3h_Bysn64mRhYW2RaZLFGh0oFr1Qoshf 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=2026-08-19_04,2026-08-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 adultscore=0 suspectscore=0 spamscore=0 phishscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608190118 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260819_081516_167992_B7F86DEE X-CRM114-Status: GOOD ( 15.08 ) 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 From: Ulf Hansson This series fixes a couple of different, but highly related problems, when dealing with CPU PM domains. More details are available in the commit messages for each patch. Note that, this series is a follow up to fix problems that have been pointed out in a series [1] from Yuanfang Zhang (Qcom), to add support for new components for the arm coresight subsystem. Note also that it's RFC, as I expect that it needs some more testing/tuning before it's ready. Kind regards Uffe [1] [PATCH v2 00/12] coresight: Add CPU cluster funnel/replicator/tmc support https://lore.kernel.org/all/20251218-cpu_cluster_component_pm-v2-0-2335a6ae62a0@oss.qualcomm.com/#r Ulf Hansson (3): pmdomain: core: Allow a non-CPU device in a CPU PM domain to do power on pmdomain: core: Add a genpd config to support unknown initial status cpuidle: psci: Initialize the PM domains in powered off state for OSI drivers/cpuidle/cpuidle-psci-domain.c | 5 +- drivers/pmdomain/core.c | 86 +++++++++++++++++++++++++-- include/linux/pm_domain.h | 9 +++ 3 files changed, 92 insertions(+), 8 deletions(-) -- 2.43.0