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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-c296608480esm468632666b.36.2026.09.14.08.01.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Sep 2026 08:01:52 -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 v4 0/5] pmdomain/cpuidle-psci: Fix behaviours for CPU PM domains Date: Mon, 14 Sep 2026 17:01:36 +0200 Message-ID: <20260914150146.187622-1-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-Proofpoint-ORIG-GUID: wfOikFUYkCfrTEzd8URDXXskz465bc6x X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE0MDIxNSBTYWx0ZWRfXywU0BJgd44Rr oTr7hSA2ehzEfyJhDFoYSeGLuX9QEOnKNL60AvK7kNiuWoVw3q6rm7eCc6kdWmfvOG5lAOMKYZV joqP2wplEXLFywdU2KK4HCQk6BFX0Bk= X-Proofpoint-GUID: wfOikFUYkCfrTEzd8URDXXskz465bc6x X-Authority-Analysis: v=2.4 cv=ftpJ914f c=1 sm=1 tr=0 ts=6aa80c62 cx=c_pps a=DUEm7b3gzWu7BqY5nP7+9g==:117 a=h7aNHqOhPKB91FvYUefsSA==:17 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=yh3ps83G6N8KMOvRL6AA:9 a=-aSRE8QhW-JAV6biHavz:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE0MDIxNSBTYWx0ZWRfX32SHVBMFkKDe yuRZHXvPdj3DTQBoktz+gKwhex6yZCQVD7Dd+Xnz+rm+F+IO+fi/jPH9GIxjYGKt760H5YBv7Ie 0+C5KxJLTY2Nl/T2EzYnhYi/iO84vPAvC+g/XqyFoye1vGa9GLX2pA79qJBjytRyWG6mJNeH/Bx 2CKPiIgP9B7xy8Yl+ywcNpOgckJjyYGXf6o1x8EUwvNP/LUtPgokn7LWr4aaC+ar6YlEGzaaxTE 45ZlsCGekrnpLAQhzn4+uomDqHlumq6kmJVqB/kpyE7K+N91MdvPUkMzikHFtFIJFQQWE88dOX5 dt6MtRf0LdeJiK8n1AgMnwPHnmb78WVaIhUmww4M1c6ASW4CKBSFxUCGlV3wkkH6CsPjcsG4AvP Hr57JybUb+bk6mfBSVC4w8IGMftzSm+Eu+O+vDFt+B+7QnrnWbRvQApR7ioZI3/GacpmLJAZ4PU qNKUNkv1RvKYpSy0V/Q== 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=2026-09-14_03,2026-09-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1015 phishscore=0 adultscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609140215 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 v4: - Updates to patch2 and patch4. - Added tested/reviewed-by tags. 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 | 7 +- drivers/cpuidle/cpuidle-psci.c | 2 +- drivers/pmdomain/core.c | 112 +++++++++++++++++++++----- include/linux/pm_domain.h | 9 +++ 4 files changed, 106 insertions(+), 24 deletions(-) -- 2.43.0