From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
To: Ulf Hansson <ulf.hansson@linaro.org>,
Saravana Kannan <saravanak@google.com>,
Stephen Boyd <sboyd@kernel.org>,
linux-pm@vger.kernel.org
Cc: "Rafael J . Wysocki" <rafael@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Michael Grzeschik <m.grzeschik@pengutronix.de>,
Bjorn Andersson <andersson@kernel.org>,
Abel Vesa <abel.vesa@linaro.org>, Peng Fan <peng.fan@oss.nxp.com>,
Johan Hovold <johan@kernel.org>,
Maulik Shah <maulik.shah@oss.qualcomm.com>,
Michal Simek <michal.simek@amd.com>,
Konrad Dybcio <konradybcio@kernel.org>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 00/21] pmdomain: Add generic ->sync_state() support to genpd
Date: Thu, 12 Jun 2025 09:09:54 +0300 [thread overview]
Message-ID: <4a682199-1da1-404b-addf-f0afa65d4c08@ideasonboard.com> (raw)
In-Reply-To: <20250523134025.75130-1-ulf.hansson@linaro.org>
On 23/05/2025 16:39, Ulf Hansson wrote:
> Changes in v2:
> - Well, quite a lot as I discovered various problems when doing
> additional testing of corner-case. I suggest re-review from scratch,
> even if I decided to keep some reviewed-by tags.
> - Added patches to allow some drivers that needs to align or opt-out
> from the new common behaviour in genpd.
>
> If a PM domain (genpd) is powered-on during boot, there is probably a good
> reason for it. Therefore it's known to be a bad idea to allow such genpd to be
> powered-off before all of its consumer devices have been probed. This series
> intends to fix this problem.
>
> We have been discussing these issues at LKML and at various Linux-conferences
> in the past. I have therefore tried to include the people I can recall being
> involved, but I may have forgotten some (my apologies), feel free to loop them
> in.
>
> I have tested this with QEMU with a bunch of local test-drivers and DT nodes.
> Let me know if you want me to share this code too.
>
> Please help review and test!
> Finally, a big thanks to Saravana for all the support!
For TI AM62A and Xilinx ZynqMP ZCU106:
Tested-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Tomi
next prev parent reply other threads:[~2025-06-12 6:10 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-23 13:39 Ulf Hansson
2025-05-23 13:39 ` [PATCH v2 01/21] pmdomain: core: Use of_fwnode_handle() Ulf Hansson
2025-06-11 6:07 ` Dhruva Gole
2025-05-23 13:39 ` [PATCH v2 02/21] pmdomain: core: Add a bus and a driver for genpd providers Ulf Hansson
2025-06-03 0:23 ` Saravana Kannan
2025-06-03 10:28 ` Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 03/21] pmdomain: core: Add the genpd->dev to the genpd provider bus Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 04/21] pmdomain: core: Export a common ->sync_state() helper for genpd providers Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 05/21] pmdomain: core: Prepare to add the common ->sync_state() support Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 06/21] soc/tegra: pmc: Opt-out from genpd's " Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 07/21] cpuidle: psci: " Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 08/21] cpuidle: riscv-sbi: " Ulf Hansson
2025-08-10 21:12 ` patchwork-bot+linux-riscv
2025-05-23 13:40 ` [PATCH v2 09/21] pmdomain: qcom: rpmhpd: Use of_genpd_sync_state() Ulf Hansson
2025-05-23 19:42 ` Konrad Dybcio
2025-05-26 10:12 ` Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 10/21] " Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 11/21] firmware/pmdomain: xilinx: Move ->sync_state() support to firmware driver Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 12/21] firmware: xilinx: Don't share zynqmp_pm_init_finalize() Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 13/21] firmware: xilinx: Use of_genpd_sync_state() Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 14/21] driver core: Export get_dev_from_fwnode() Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 15/21] pmdomain: core: Add common ->sync_state() support for genpd providers Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 16/21] driver core: Add dev_set_drv_sync_state() Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 17/21] pmdomain: core: Default to use of_genpd_sync_state() for genpd providers Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 18/21] pmdomain: core: Leave powered-on genpds on until late_initcall_sync Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 19/21] pmdomain: core: Leave powered-on genpds on until sync_state Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 20/21] cpuidle: psci: Drop redundant sync_state support Ulf Hansson
2025-05-23 13:40 ` [PATCH v2 21/21] cpuidle: riscv-sbi: " Ulf Hansson
2025-06-03 14:20 ` [PATCH v2 00/21] pmdomain: Add generic ->sync_state() support to genpd Hiago De Franco
2025-06-12 6:09 ` Tomi Valkeinen [this message]
2025-06-13 10:33 ` Tomi Valkeinen
2025-06-19 11:40 ` Ulf Hansson
2025-06-23 14:20 ` Ulf Hansson
2025-06-23 15:06 ` Geert Uytterhoeven
2025-06-24 12:10 ` Geert Uytterhoeven
2025-06-24 15:29 ` Ulf Hansson
2025-06-30 9:31 ` Geert Uytterhoeven
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