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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 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=fv3sol4f c=1 sm=1 tr=0 ts=6a85c883 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=h7aNHqOhPKB91FvYUefsSA==:17 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=yh3ps83G6N8KMOvRL6AA:9 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-GUID: GyY7zSGEptICYCYNwpi87Tq4T2IEtkCQ X-Proofpoint-ORIG-GUID: GyY7zSGEptICYCYNwpi87Tq4T2IEtkCQ X-Proofpoint-Spam-Info: AW1haW4tMjYwODE5MDExOCBTYWx0ZWRfX1/zQL+SE6mF3 nRWZ/ETMLzo2At4/56eDyupnqCpEWB2iy7OZdE2nFMySZDzaYjN7UxHfMFLvkpdrZS+AWTTf78K Zr6PWgGTQbXyuU9B1jwN+egaVG45UWA= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE5MDExOCBTYWx0ZWRfX7Br/vk5b8pcQ QU1R9NtE6jjrbKMUPEFjecbySr2Ra22YG1AreRaa54LW4hgF4J6hSnY748kE7ARzhd9w152hKIi bOUDPDwWQcbmsM6IaHPxamFh0UWFuesPQFl7hSzSkm/7zYNmFRdIaDTu7mZb2Zv7W+EglO2iRcu +pR+EhPb/rHWQbT+mRflc6GLA5pc7m7YOZ3sfpRpNqrD95PbUhRogwFLcOtCOBISQccR16SGzbH 0URxCIqB6QxbXhCkYwYXn2dWAnQUW18U0uppJltB5wAxYij8LvPhD0KNrSD+KuLdkwA5FeWz9QI O5xo5ZNF1bixo7K+JpYtFoXq96p7mo8cUblW2dq0jSA1EjdFZ0CQHU/x89URn7qdtW2LjcSum1D iAV6ntTMzSuzQpw0ruM877jqEmX68+89tNoD4dfs1RlEAmjlCPw6BEPgeCy53BSz9bBGQw6iQYk EM1qN6rHB6J4gh/Fw8w== 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 phishscore=0 bulkscore=0 spamscore=0 adultscore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 malwarescore=0 priorityscore=1501 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608190118 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