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Message-ID: <20240531102409.GB1005600@google.com>
Date: Fri, 31 May 2024 11:24:52 +0100
From: Lee Jones <lee@...nel.org>
To: Karel Balej <balejk@...fyz.cz>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
Duje Mihanović <duje.mihanovic@...le.hr>,
~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org
Subject: Re: [PATCH v6 2/5] mfd: add driver for Marvell 88PM886 PMIC
On Sat, 04 May 2024, Karel Balej wrote:
> Marvell 88PM886 is a PMIC which provides various functions such as
> onkey, battery, charger and regulators. It is found for instance in the
> samsung,coreprimevelte smartphone with which this was tested. Implement
> basic support to allow for the use of regulators and onkey.
>
> Signed-off-by: Karel Balej <balejk@...fyz.cz>
> ---
>
> Notes:
> v6:
> - Address Lee's comments:
> - Don't break long line in the power off handler.
> - Set PLATFORM_DEVID_NONE. This should be safe with respect to
> collisions since there are no known devices with more than one of
> these PMICs, plus given their general purpose nature it is unlikely
> that there would ever be. Also include the corresponding header.
> - Move all defines to the header.
> - Give the base page's maximum register its real name.
> - Set irq_base to 0.
> v5:
> - Address Mark's feedback:
> - Move regmap config back out of the header and rename it. Also lower
> its maximum register based on what's actually used in the downstream
> code.
> RFC v4:
> - Use MFD_CELL_* macros.
> - Address Lee's feedback:
> - Do not define regmap_config.val_bits and .reg_bits.
> - Drop everything regulator related except mfd_cell (regmap
> initialization, IDs enum etc.). Drop pm886_initialize_subregmaps.
> - Do not store regmap pointers as an array as there is now only one
> regmap. Also drop the corresponding enum.
> - Move regmap_config to the header as it is needed in the regulators
> driver.
> - pm886_chip.whoami -> chip_id
> - Reword chip ID mismatch error message and print the ID as
> hexadecimal.
> - Fix includes in include/linux/88pm886.h.
> - Drop the pm886_irq_number enum and define the (for the moment) only
> IRQ explicitly.
> - Have only one MFD cell for all regulators as they are now registered
> all at once in the regulators driver.
> - Reword commit message.
> - Make device table static and remove comma after the sentinel to signal
> that nothing should come after it.
> RFC v3:
> - Drop onkey cell .of_compatible.
> - Rename LDO page offset and regmap to REGULATORS.
> RFC v2:
> - Remove some abstraction.
> - Sort includes alphabetically and add linux/of.h.
> - Depend on OF, remove of_match_ptr and add MODULE_DEVICE_TABLE.
> - Use more temporaries and break long lines.
> - Do not initialize ret in probe.
> - Use the wakeup-source DT property.
> - Rename ret to err.
> - Address Lee's comments:
> - Drop patched in presets for base regmap and related defines.
> - Use full sentences in comments.
> - Remove IRQ comment.
> - Define regmap_config member values.
> - Rename data to sys_off_data.
> - Add _PMIC suffix to Kconfig.
> - Use dev_err_probe.
> - Do not store irq_data.
> - s/WHOAMI/CHIP_ID
> - Drop LINUX part of include guard name.
> - Merge in the regulator series modifications in order to have more
> devices and modify the commit message accordingly. Changes with
> respect to the original regulator series patches:
> - ret -> err
> - Add temporary for dev in pm88x_initialize_subregmaps.
> - Drop of_compatible for the regulators.
> - Do not duplicate LDO regmap for bucks.
> - Rewrite commit message.
>
> drivers/mfd/88pm886.c | 148 ++++++++++++++++++++++++++++++++++++
> drivers/mfd/Kconfig | 12 +++
> drivers/mfd/Makefile | 1 +
> include/linux/mfd/88pm886.h | 69 +++++++++++++++++
> 4 files changed, 230 insertions(+)
> create mode 100644 drivers/mfd/88pm886.c
> create mode 100644 include/linux/mfd/88pm886.h
I don't see any more issues.
Are you planning on seeing to Mark's review comments?
--
Lee Jones [李琼斯]
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