On Mon, Mar 13, 2017 at 11:25:10PM +0100, Hans de Goede wrote: > Cherrytrail devices use the dw i2c-bus with uid 7 to access their PMIC. > Even if the i2c-bus to the PMIC is not shared with the SoC's P-Unit > and i2c-designware-baytrail.c thus does not set the pm_disabled flag, > we still need to disable pm so that ACPI PMIC opregions can access the > PMIC during late-suspend and early-resume. > > This fixes errors like these blocking suspend: > > i2c_designware 808622C1:06: timeout waiting for bus ready > ACPI Exception: AE_ERROR, Returned by Handler for [UserDefinedRegion] > acpi 80860F14:02: Failed to change power state to D3hot > PM: late suspend of devices failed > > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > Acked-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx> Applied to for-next, thanks!
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