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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-c260d5cfaa2sm456120066b.59.2026.09.07.04.17.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Sep 2026 04:17:08 -0700 (PDT) From: Ulf Hansson To: Sudeep Holla , "Rafael J . Wysocki" , Daniel Lezcano , linux-pm@vger.kernel.org Cc: Dhruva Gole , Abel Vesa , Lorenzo Pieralisi , Christian Loehle , Maulik Shah , Yuanfang Zhang , Sneh Mankad , Suzuki K Poulose , Ulf Hansson , linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Ulf Hansson Subject: [PATCH v3 0/5] pmdomain/cpuidle-psci: Fix behaviours for CPU PM domains Date: Mon, 7 Sep 2026 13:16:50 +0200 Message-ID: <20260907111659.263324-1-ulf.hansson@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: VNzt27wzMFYL3uiB28JwP5beuwx2s_0G X-Proofpoint-ORIG-GUID: VNzt27wzMFYL3uiB28JwP5beuwx2s_0G X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA3MDEyNCBTYWx0ZWRfX9zgAqLDaH4/x uFDcRVOdEgwbus5Vu7SFqgehnJp/ZG6jsq45dxEMezZ+iMIE/TSTrAmC77wgVp5DnW1CWlcPGfc Unw5OXhcPvo6QlsyuZcHxUTFwH4sIr0= X-Authority-Analysis: v=2.4 cv=LseiDHdc c=1 sm=1 tr=0 ts=6a9e9d37 cx=c_pps a=ULNsgckmlI/WJG3HAyAuOQ==:117 a=h7aNHqOhPKB91FvYUefsSA==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=yh3ps83G6N8KMOvRL6AA:9 a=1WsBpfsz9X-RYQiigVTh:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA3MDEyNCBTYWx0ZWRfXwSeai9yNnoPR cIYA8xz8QnH1XvjOCKLQsQmFmow+SAcWQnRX57Bv9KDsJxlHOOb5MqeUAOj5WRt2uK5ORqdZeiB 3EWC5qP9P9wTdVZ6o/OrU8Cll1FCHVWKrJEQ9FbrCbkdlq5gqkeG4Op3VY9DyAGu+FU74iKa9+R fmC4Z7YT+zFa178MtpI1518rfXUmGDZMNwm0aXa3X8HngpuBdFpUqLa2XXgPOXKR7W2koSS9i3g EPyS0hPYFcm6LXlrqiODpsb3aM0yOVfH1UxZKsUBqTxwlP47X+qe4U9ECgYBziXHVcSu77ogEuT foBTndYbmr33w8nR6Qzj1JBHHeT8rQLE5tUtTjAXgyDk0aTLZpZwyi/F4j0qaMMvvq1PgC7NftN j3lCjXmExd+jafhx+Vo5g1qbc526m5ILXygyo78Asb2NMiz57+HE3nGQHzrdhInaxwj7CxGjgS8 E0l2rFhJdScbZX570dw== 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=2026-09-07_03,2026-09-07_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 suspectscore=0 adultscore=0 bulkscore=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-2609070124 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. Changes in v3: - Minor updates to patch1 and patch2. - Added tested/reviewed-by tags. Changes in v2: - Dropped the RFC. - See updates in the changelog for each patch. 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 (5): pmdomain: core: Rename genpd_status_on() 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 cpuidle: psci: Move initialization a bit earlier in the boot sequence drivers/cpuidle/cpuidle-psci-domain.c | 5 +- drivers/cpuidle/cpuidle-psci.c | 2 +- drivers/pmdomain/core.c | 112 +++++++++++++++++++++----- include/linux/pm_domain.h | 9 +++ 4 files changed, 106 insertions(+), 22 deletions(-) -- 2.43.0