Re: [PATCH v6 2/5] mfd: add driver for Marvell 88PM886 PMIC

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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@xxxxxxxxx>
> ---
> 
> 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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