Hi, On Thu, Sep 13, 2012 at 11:04:42AM -0700, Kevin Hilman wrote: > Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx> writes: > > > Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx> 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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