Re: [PATCH v3 1/1] i2c: add ACPI support for I2C mux ports

[Dustin Byford]

On Wed Oct 21 11:12, Mika Westerberg wrote:
> On Tue, Oct 20, 2015 at 10:49:59AM -0700, Dustin Byford wrote:
> > I considered it, but I thought a default that fairly closely matches the
> > old behavior was more convenient.
> > 
> > On the other hand, leaving it up to the controllers makes it all very
> > explicit and perhaps simpler to reason about.
> > 
> > 
> > I could be convinced either way.  But, if we move it to the controller
> > drivers, which ones need the change?
> > 
> > grep -i acpi drivers/i2c/busses/i2c*
> > 
> > shows 18 drivers that might care.
> 
> I'm quite confident the designware I2C is enough for now. Intel uses it
> for all SoCs with LPSS and I think AMD has the same block for their I2C
> solution.

I certainly care about i801, ismt, and isch.  Doesn't this affect any
i2c controller with clients that may be enumerated through ACPI?

		--Dustin
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