From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: Konrad Dybcio <konradybcio@kernel.org>,
Stephen Boyd <sboyd@kernel.org>,
Brian Masney <bmasney+clk@redhat.com>,
Jerome Brunet <jbrunet+clk@baylibre.com>,
Viresh Kumar <vireshk@kernel.org>, Nishanth Menon <nm@ti.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Pavel Machek <pavel@kernel.org>, Len Brown <lenb@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Danilo Krummrich <dakr@kernel.org>,
Johan Hovold <johan@kernel.org>, Ulf Hansson <ulfh@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Abel Vesa <abelvesa@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Mike Tipton <mike.tipton@oss.qualcomm.com>,
Taniya Das <taniya.das@oss.qualcomm.com>,
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
Subject: Re: [PATCH RFC 11/16] clk: qcom: gdsc: Make GDSC parenting optional
Date: Wed, 14 Oct 2026 16:36:34 +0200 [thread overview]
Message-ID: <a8bdf3fc-7da9-4017-b61a-5b4f605ae0a4@oss.qualcomm.com> (raw)
In-Reply-To: <543k7ybncixqqdzyxhb3mnal4k5ethrsmutrho5yo4vcgxiddt@a5hisvaogznj>
On 10/14/26 4:34 PM, Dmitry Baryshkov wrote:
> On Wed, Oct 14, 2026 at 04:20:54PM +0200, Konrad Dybcio wrote:
>> 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 <konrad.dybcio@oss.qualcomm.com>
>>>>
>>>> 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.
>
> Or the commits needs to be squashed / reverted. I really don't think
> that we should have a parent-less GDSC.
FWIW this commit alone is a NOP.
Konrad
next prev parent reply other threads:[~2026-10-14 14:36 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-14 12:19 [RFC PATCH 00/16] Centralize the ownership of power rail votes for Qualcomm clocks Konrad Dybcio
2026-10-14 12:19 ` [PATCH RFC 01/16] clk: Propagate rate programming failures Konrad Dybcio
2026-10-14 13:25 ` Dmitry Baryshkov
2026-10-14 12:19 ` [PATCH RFC 02/16] clk: Acquire resources for clock transitions Konrad Dybcio
2026-10-14 12:19 ` [PATCH RFC 03/16] OPP: Retry failed default single-clock transitions Konrad Dybcio
2026-10-14 13:35 ` Dmitry Baryshkov
2026-10-14 16:14 ` Konrad Dybcio
2026-10-14 16:32 ` Dmitry Baryshkov
2026-10-14 12:19 ` [PATCH RFC 04/16] pmdomain: core: Support named indexed virtual attachments Konrad Dybcio
2026-10-14 12:19 ` [PATCH RFC 05/16] pmdomain: core: Support subdomains without pstate propagation Konrad Dybcio
2026-10-14 12:19 ` [PATCH RFC 06/16] pmdomain: core: Support indexed power-domain attachment lists Konrad Dybcio
2026-10-14 12:19 ` [PATCH RFC 07/16] clk: qcom: Add clock-owned GenPD DVFS aggregation Konrad Dybcio
2026-10-14 14:36 ` Dmitry Baryshkov
2026-10-14 15:26 ` Konrad Dybcio
2026-10-14 16:30 ` Dmitry Baryshkov
2026-10-14 16:45 ` Konrad Dybcio
2026-10-14 17:31 ` Dmitry Baryshkov
2026-10-15 8:08 ` Konrad Dybcio
2026-10-14 12:19 ` [PATCH RFC 08/16] clk: qcom: dvfs: Add debugfs Konrad Dybcio
2026-10-14 12:19 ` [PATCH RFC 09/16] clk: qcom: clk-alpha-pll: Add DVFS (un)prepare Konrad Dybcio
2026-10-14 12:19 ` [PATCH RFC 10/16] clk: qcom: clk-alpha-pll: Vote for the PLL calibration frequency Konrad Dybcio
2026-10-14 12:19 ` [PATCH RFC 11/16] clk: qcom: gdsc: Make GDSC parenting optional Konrad Dybcio
2026-10-14 14:17 ` Dmitry Baryshkov
2026-10-14 14:20 ` Konrad Dybcio
2026-10-14 14:34 ` Dmitry Baryshkov
2026-10-14 14:36 ` Konrad Dybcio [this message]
2026-10-14 12:19 ` [PATCH RFC 12/16] clk: qcom: gdsc: Link required power domains Konrad Dybcio
2026-10-14 12:19 ` [PATCH DNM RFC 13/16] arm64: dts: qcom: sm8650: Describe clock controller power rails Konrad Dybcio
2026-10-14 14:19 ` Dmitry Baryshkov
2026-10-14 14:20 ` Konrad Dybcio
2026-10-14 14:33 ` Dmitry Baryshkov
2026-10-14 14:36 ` Konrad Dybcio
2026-10-14 15:01 ` Dmitry Baryshkov
2026-10-14 15:23 ` Konrad Dybcio
2026-10-14 12:19 ` [PATCH DNM RFC 14/16] clk: qcom: Enable clk-dvfs on SM8650 Konrad Dybcio
2026-10-14 14:40 ` Dmitry Baryshkov
2026-10-14 15:22 ` Konrad Dybcio
2026-10-14 16:35 ` Dmitry Baryshkov
2026-10-14 16:42 ` Konrad Dybcio
2026-10-14 12:19 ` [PATCH DNM RFC 15/16] arm64: dts: qcom: sm8650: Drop required-opps Konrad Dybcio
2026-10-14 14:23 ` Dmitry Baryshkov
2026-10-14 14:33 ` Konrad Dybcio
2026-10-14 12:19 ` [PATCH DNM RFC 16/16] pmdomain: qcom: rpmhpd: Stop forwarding MMCX pstate to CX Konrad Dybcio
2026-10-14 14:37 ` [RFC PATCH 00/16] Centralize the ownership of power rail votes for Qualcomm clocks Dmitry Baryshkov
2026-10-14 16:19 ` Konrad Dybcio
2026-10-15 10:57 ` Taniya Das
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