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SubjectRe: [PATCH v4 2/7] power: bq27x00_battery: Renaming for consistency
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On 09/15/2015 03:32 AM, Laurentiu Palcu wrote:
> On Mon, Sep 14, 2015 at 04:26:08PM -0500, Andrew F. Davis wrote:
>> Rename functions that are used by multiple devices. New devices
>> have been added and the function names and driver name are no longer
>> general enough for the functionality they provide.
>>
>> Signed-off-by: Andrew F. Davis <afd@ti.com>
>> ---
>> MAINTAINERS | 4 +-
>> arch/arm/configs/omap2plus_defconfig | 2 +-
>> arch/unicore32/Kconfig | 2 +-
>> drivers/power/Kconfig | 22 +-
>> drivers/power/Makefile | 2 +-
>> .../power/{bq27x00_battery.c => bq27xxx_battery.c} | 333 +++++++++++----------
>
> 1000 chips! That's how many potential chips is this driver supposed to
> support, after the rename, with little or no modifications.Is it even
> possible to guarantee that all future chips, starting with 'bq27' in
> their naming scheme, are register compatible?
>

After this series we support three times as many chips, and almost none
of them follow the 27x00 naming (only the bq27000 and bq27200 ever did).

Also almost *none* of the new chips added are register compatible, that's
why this series moves register mapping to a table, but they all perform the
same task (fuel gauging) in almost the same way so it works well.

> Call me conservative, but when I see driver names/renames containing
> wildcards, I get chills down my spine. I can probably get over single
> digit wildcards but 3 digit wildcards is a little too much. :)
>

Perhaps just bq27x :)

> I can't help but wonder what will one have to do if one single newly
> released bq27xxx chip is completely different... :/
>

If someday they make a part that is so different it doesn't fit in this
driver then it can be the oddball with its own named driver file.

Regards,
Andrew

> laurentiu
>
>


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