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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39b08cacbb0sm4905284a91.13.2026.09.03.04.12.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 03 Sep 2026 04:12:12 -0700 (PDT) Message-ID: <60b12a54-e930-44d6-854c-0d76eabc50af@oss.qualcomm.com> Date: Thu, 3 Sep 2026 19:12:07 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/5] pmdomain/cpuidle-psci: Fix behaviours for CPU PM domains To: Ulf Hansson , Sudeep Holla , "Rafael J . Wysocki" , Daniel Lezcano , linux-pm@vger.kernel.org Cc: Abel Vesa , Lorenzo Pieralisi , Christian Loehle , Maulik Shah , Sneh Mankad , Suzuki K Poulose , linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Ulf Hansson References: <20260901111441.122436-1-ulf.hansson@oss.qualcomm.com> From: Yuanfang Zhang In-Reply-To: <20260901111441.122436-1-ulf.hansson@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=H4/rBeYi c=1 sm=1 tr=0 ts=6a99560e cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=QURvCu9eW4BULfhiHY0A:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-GUID: e9EwCgEcQyaHB_vJWvjyyknokUNdKu-Q X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAzMDA5NyBTYWx0ZWRfXxCyc/Xa9ueuP zgGGjUlYv8+6tKNFrydvx2C5TJlGvAUhWZHVR9F/WfMRKwn/3rYG2O1dog1cNeMnEe/1UuoeeCD Tl7nTHafUaqoSWNYIBwAi+f8GYDUKkOrV4Ph8q2spnfvUaDnURJjWrs9/MtNyJfxvdYkM8qSgCd afbrswMUXy2M81O2V/YrWhF9eWr91vr6JN8ykNMR0huzif3ys9dK3Di66t7CRCYHP1fWYTnko3L u5rnsOuLoS43EaXbUJWFsUQP2iLDyaOW0XQbXgPMC4MNeLBOBD7pcOU9f76ETn32d5Me/xsV+4c x5xYsmh4teKGJdsACp+zdMMWWHcNyxA4/ehB4GtlExVpeBhCfPTnrpO9/kvsiAK0gyN9omi8rsT P1Ntf9Nl61Q2Vz8iXUfl6RbOPzrJkebcUsSEZVaS6uQaYkuVYtWwdkt0KygD85IaWcMGsvTtgYp 6E6hrUGmZodlJzJ26ng== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAzMDA5NyBTYWx0ZWRfX0NHRN0QX0ClT hGPPH1Z46ivrdfeBmUa9gMJB+hV6By3o6vcijLSDRuQNWjRCRyVz7btB/AVMP1J4LTU6C0cB1eF 3qci1kTevNd332XcPXeyAiMKnK2ymYI= X-Proofpoint-ORIG-GUID: e9EwCgEcQyaHB_vJWvjyyknokUNdKu-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=2026-09-03_03,2026-09-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 bulkscore=0 clxscore=1015 malwarescore=0 spamscore=0 phishscore=0 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609030097 Tested-by: Yuanfang Zhang On 9/1/2026 7:14 PM, Ulf Hansson wrote: > 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 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 | 111 +++++++++++++++++++++----- > include/linux/pm_domain.h | 9 +++ > 4 files changed, 106 insertions(+), 21 deletions(-) >