Re: [PATCH v2 0/6] regulator: pca9450: register restart handlers

From: Lee Jones
Date: Fri Aug 18 2023 - 12:13:14 EST


On Wed, 09 Aug 2023, Benjamin Bara wrote:

> Hi!
>
> This series implements two restart handler registrations for the pca9450
> (6/6). As the pca9450 supports both, cold and warm resets, and there
> exist at least one other PMIC implementation which also implements a
> warm and a cold reset (tps65219), 1-5/6 should simplify/clarify the
> distinction process between warm/soft and cold/hard resets/restarts.
> Instead of deciding in the handler, this should be done during
> registration. The series is a follow-up to Dmitry's feedback, regarding
> checking the reboot_mode in the handler [1].
>
> As the cold handler queue is executed before the warm handler queue
> (when the reboot_mode is not changed/specified), cold handlers are
> implicitly executed with a higher prio and therefore the default
> registration can be used.
>
> This series is based on linux-next and 6/6 depends on [2].
>
> Thanks & best regards,
> Benjamin
>
> [1] https://lore.kernel.org/all/7eddaf8c-ab04-7670-fc45-15f0fce5eff2@xxxxxxxxxxxxx/
> [2] https://lore.kernel.org/all/20230327-tegra-pmic-reboot-v7-3-18699d5dcd76@xxxxxxxxxxx/
>
> ---
> Changes in v2:
> - rebase to next-20230809
> - improve commit messages
> - use helper (with implicit priority) instead of explicit priority
> - fallback to warm handler if hard/cold requested but failed
> - Link to v1: https://lore.kernel.org/r/20230727-pca9450-reboot-v1-0-c8edb27bf404@xxxxxxxxxxx
>
> ---
> Benjamin Bara (6):
> kernel/reboot: distinguish between cold and warm
> mfd: rk8xx: Specify restart mode
> soc/tegra: pmc: Specify restart mode
> mfd: tps65219: Specify restart mode
> kernel/reboot: remove generic restart mode
> regulator: pca9450: register restart handlers

What are they interdependencies between them all?

Should they all be applied at once?

> drivers/mfd/rk8xx-core.c | 6 +--
> drivers/mfd/tps65219.c | 17 +++++--
> drivers/regulator/pca9450-regulator.c | 59 ++++++++++++++++++++++++
> drivers/soc/tegra/pmc.c | 2 +-
> include/linux/reboot.h | 23 +++++++---
> include/linux/regulator/pca9450.h | 7 +++
> kernel/reboot.c | 84 +++++++++++++++++++++++++++++------
> 7 files changed, 170 insertions(+), 28 deletions(-)
> ---
> base-commit: 21ef7b1e17d039053edaeaf41142423810572741
> change-id: 20230724-pca9450-reboot-0b32218fc7a2
>
> Best regards,
> --
> Benjamin Bara <benjamin.bara@xxxxxxxxxxx>
>

--
Lee Jones [李琼斯]