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Wed, 14 Oct 2026 07:21:00 -0700 (PDT) X-Received: by 2002:a05:6122:4a0f:20b0:5ce:bde0:9b53 with SMTP id 71dfb90a1353d-5e91f49ed42mr3157584e0c.3.1791987659925; Wed, 14 Oct 2026 07:20:59 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b20388ad72sm1182036a12.24.2026.10.14.07.20.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 14 Oct 2026 07:20:57 -0700 (PDT) Message-ID: Date: Wed, 14 Oct 2026 16:20:54 +0200 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 RFC 11/16] clk: qcom: gdsc: Make GDSC parenting optional To: Dmitry Baryshkov , Konrad Dybcio Cc: Stephen Boyd , Brian Masney , Jerome Brunet , Viresh Kumar , Nishanth Menon , "Rafael J. Wysocki" , Pavel Machek , Len Brown , Greg Kroah-Hartman , Danilo Krummrich , Johan Hovold , Ulf Hansson , Bjorn Andersson , Abel Vesa , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Neil Armstrong , Mike Tipton , Taniya Das , linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, driver-core@lists.linux.dev, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org References: <20261014-topic-qc_clk_dvfs-v1-0-3041b788e9f7@oss.qualcomm.com> <20261014-topic-qc_clk_dvfs-v1-11-3041b788e9f7@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: mq9xtSZ6kL3H5wWZquU6BpoS69cO1qds X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE0MDA1NyBTYWx0ZWRfX0hmIfy0VsO6Q hU6wzjUiWj/kZPRmWvt0APjAzk9kFemzl+lSpbNo+BCQdCH25dj0SGo/lngim+P3moRvzOEBSqp +ETF1KTbSgPkSg9Lg0MF0ZS7tUzKNoVXI47aqMAs1W52Vo5uD/gxf8WqECzobbAG5/fRqzQAsyr 3UXnpCDMRBEmm+j8KQ/NJrjPLQ0C2lF/VuQU1rZEVMKs+UjTA9mMgwx1xIFrx3NJb/mHKN2r7bw GbElIgEzvpVQerm41ketARJsScQz9gy/JnlOkUcd6bJJtviEwnRUln2A9PWrBnzKU+dBKuicppX vmzhokAVh+yFnMBPaFF/j6AYNo30L1YsAUoJNYvGgcZjavoBpPFek5+gETHbXx0mo57f5Old2o1 wJScGvcahzLbSgObFttV3hrdvxdtdEmhh2DkLAv9p8lnRZ/+i0icbUZ9brvq3GVbhWGv0uzjqjC tA6a0vkPxxolrRZn4WQ== X-Authority-Analysis: v=2.4 cv=ErZHPicA c=1 sm=1 tr=0 ts=6acf8fcd cx=c_pps a=wuOIiItHwq1biOnFUQQHKA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=NbljYO6N7a6c2dGYBmcA:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=XD7yVLdPMpWraOa8Un9W:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE0MDA1NyBTYWx0ZWRfX62TmLpvstoC7 p1suwxk0vwoignofIsHdwZzIe6UufMBWeiptD8jaFUDle7GgBcaa5by8UMuDlYb64JyU4nDg5bp hs5mXdoCEr/me7cme5LYdfgFYWNas+U= X-Proofpoint-GUID: mq9xtSZ6kL3H5wWZquU6BpoS69cO1qds 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=2026-10-13_01,2026-10-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 malwarescore=0 bulkscore=0 impostorscore=0 adultscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610140057 On 10/14/26 4:17 PM, Dmitry Baryshkov wrote: > On Wed, Oct 14, 2026 at 02:19:11PM +0200, Konrad Dybcio wrote: >> From: Konrad Dybcio >> >> Clock controller power-domain attachments currently become parents of all >> top-level GDSCs exported by that controller. This conflates resources >> needed to access or operate the controller with actual power-collapse >> hierarchy. >> >> Allow callers of gdsc_register() to suppress parents inferred from the >> controller device and its attached domain list. > > I think, each GDSC has a parent (in the hardware). If we don't represent > it in practice, we likely need to fix that. The next patch allows setting a precise set of parents instead. Perhaps this commit message could be improved. Konrad