Re: [not urgent] ROHM PMIC/Charger IC driver maintenance.

[Sebastian Reichel]

Hi,

On Mon, May 18, 2020 at 07:38:25AM +0000, Vaittinen, Matti wrote:
> Hello All,
> 
> In short - I consider adding myself in MAINTAINERs for the ROHM IC
> drivers I've authored. I would like to get your opinion as subsystem
> maintainers on the area where these driver belong. If you don't care -
> then no need to read further :) If you do read, then I would appreciate
> hearing about your expectations regarding reviews, ACKs etc.
> 
> Longer story, I have contributed drivers for ROHM PMICs
> BD71837/BD71847/BD71850, BD70528, BD71828/BD71878 and ROHM charger IC
> BD99954. I did also refactor the linear_ranges code out of the
> regulator framework. Now I am working on with another PMIC driver
> (regulators/watchdog) which I hope to end up in upstream at autumn
> after the proper testing. There is also some pieces in regmap-irq which
> I have added.
> 
> I would like to participate in reviewing work for patches to these
> drivers (and perhaps the linear_ranges) and possibly set up some test
> jobs where I can run some tests involving some of the PMICs. I hope
> this helps the community too.
> 
> I would also benefit from being informed when a fix is sent to one of
> these areas as I am anyways paid to be hosting some out-of-tree
> additions to these drivers. So my git tree would benefit from getting
> the odd fixes upstream is getting. Reviewing mails would serve as a
> heads up for me.
> 
> Thus I consider adding few entries to MAINTAINERs in order to be
> getting the patches for review/test. What I don't consider doing is
> integrating the patches in "official Linux" - Eg. all patches should
> still go upstream via your trees.
> 
> What kind of participation would you expect/appreciate from me if I
> added myself in MAINTAINERS for these drivers I authored? Any
> objections to that? (I don't really know how MAINTAINERs entries should
> be added - and I didn't [easily] find up-to-date explanation to that).
> For where I can be of help - I believe I am technically competent for
> reviewing C-code. I am not competent for reviewing all styling details
> - and I am not too useful what comes to YAML - this syntax is still
> really alien to me. Yet I think I have some insight to things the DT
> yaml is describing (meaning ROHM HW) :)
> 
> I add below the list of files / subsystem.
> 
> Regulator:
> bd70528-regulator.c
> bd71828-regulator.c
> bd718x7-regulator.c
> rohm-regulator.c
> (lib/linear_ranges.c
> lib/test_linear_ranges.c?
> include/linux/linear_range.h - Who should maintain these?)
> 
> Power-supply:
> bd70528-charger.c
> bd71827-power.c
> bd99954-charger.c
> bd99954-charger.h
> 
> MFD:
> rohm-bd70528.c
> rohm-bd71828.c
> rohm-bd718x7.c
> include/linux/mfd/rohm-shared.h
> include/linux/mfd/rohm-bd71828.h
> include/linux/mfd/rohm-bd70528.h
> include/linux/mfd/rohm-generic.h
> include/linux/mfd/rohm-bd718x7.h
> 
> GPIO:
> gpio-bd70528.c
> gpio-bd71828.c
> 
> RTC:
> rtc-bd70528.c
> 
> Watchdog:
> bd70528_wdt.c
> 
> Clk:
> clk-bd718x7.c
> 
> DT:
> Documentation/devicetree/bindings/power/supply/rohm,bd99954.yaml
> Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.yaml
> Documentation/devicetree/bindings/mfd/rohm,bd71847-pmic.yaml
> Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.yaml
> Documentation/devicetree/bindings/regulator/rohm,bd71847-regulator.yaml
> Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml
> Documentation/devicetree/bindings/leds/rohm,bd71828-leds.yaml
> Documentation/devicetree/bindings/regulator/rohm,bd71828-regulator.yaml
> Documentation/devicetree/bindings/mfd/rohm,bd70528-pmic.txt
> Documentation/devicetree/bindings/regulator/rohm,bd70528-regulator.txt
> 
> Best Regards
> 	Matti Vaittinen

I suggest to just send something like this entry adapted to the ROHM
drivers:

------------------------------------------------------------
TI BQ27XXX POWER SUPPLY DRIVER
R:      Andrew F. Davis <afd@xxxxxx>
F:      drivers/power/supply/bq27xxx_battery.c
F:      drivers/power/supply/bq27xxx_battery_i2c.c
F:      include/linux/power/bq27xxx_battery.h
------------------------------------------------------------

It will result in get_maintainer.pl to output this:

$ ./scripts/get_maintainer.pl -f drivers/power/supply/bq27xxx_battery.c
"Andrew F. Davis" <afd@xxxxxx> (reviewer:TI BQ27XXX POWER SUPPLY DRIVER)
"Pali Rohár" <pali@xxxxxxxxxx> (reviewer:NOKIA N900 POWER SUPPLY DRIVERS)
Sebastian Reichel <sre@xxxxxxxxxx> (maintainer:POWER SUPPLY CLASS/SUBSYSTEM and DRIVERS)
linux-pm@xxxxxxxxxxxxxxx (open list:POWER SUPPLY CLASS/SUBSYSTEM and DRIVERS)
linux-kernel@xxxxxxxxxxxxxxx (open list)

For drivers with a dedicated reviewer I wait some time for their
feedback.

For the DT YAML bindings you don't need to do anything:

https://lore.kernel.org/lkml/e85006456d9dbae55286c67ac5263668a72f5b58.1588022228.git.joe@xxxxxxxxxxx/

-- Sebastian

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