Re: [PATCH 0/4] mfd: Intel SoC Power Management IC

[Lee Jones]

> > I'm missing the build files patch.  Can you ensure I was on the
> > distribution list please?  Also, what's the reason for splitting the
> > files out instead of having one single driver?
> 
> The same PMIC may be attached multiple ways, and multiple different PMIC
> types may be attached.
> 
> So for example on the Baytrail/T platforms (ASUS T100 etc) you have
> crystal cove via i2c, but a vendor could use a different PMIC - and there
> will of course always be new PMIC devices coming along.
> 
> Equally on a Z2760 or similar (eg the Lenovo tablet 2) you may well have
> the same PMIC attached to the system control unit. While there's nobody
> afaik trying to sync the Android trees for Clovertrail+ with upstream at
> this point I know there are external to Intel folks working on it for fun
> and we need to allow for that.

Fair enough, I'll bow to your knowledge.  I was just looking at the
current driver and saw the lack of, for instance, intel_soc_pmic_spi.c
which would have warranted separate core/i2c/spi components.  Also the
Kconfig configuration doesn't allow for individual compilation of each
of the source files, which drew me to the conclusion that these could
in fact be centralised.
-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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