[PATCHv8 00/23]I2C big cleanup

[Felipe Balbi]

Hi,

On Thu, Sep 13, 2012 at 11:04:42AM -0700, Kevin Hilman wrote:
> Kevin Hilman <khilman at deeprootsystems.com> writes:
> 
> > Kevin Hilman <khilman at deeprootsystems.com> writes:
> >
> [...]
> 
> >> Sorry to be late to the party (again), but still catching up after some
> >> time off.
> >>
> >> Unfortunately, this series causes PM regressions on several OMAP
> >> platforms.  I hope we can hold off on this until those issues are
> >> addressed.
> >
> > I tracked the regression down to [PATCHv8 21/22] (see reply there.)
> >
> > Since this series is already merged, I suggest that the problem patch be
> > reverted, at least for v3.7 and until the problem is better understood
> > and tested.
> >
> > With that patch reverted, all my PM tests are passing.  Feel free to
> > add:
> 
> OK, the i2c series is off the hook.
> 
> Felipe and I spent a little time tracking this down.  Felipe suggested
> that there might be a driver with periodic i2c activity keeping I2C
> awake, and thus preventing CORE retention.  He was right.

FYI, the original idea came from Shubhro. We agreed that would be the
only way i2c would be prevented from idling.

-- 
balbi
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