Re: S0ix failure due to "clk: x86: Do not gate clocks enabled by the firmware"

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On Sat, Sep 23, 2017 at 12:09:32AM +0200, Rafael J. Wysocki wrote:
> On Friday, September 22, 2017 10:04:53 AM CEST Johannes Stezenbach wrote:
> > In conclusion the BIOS bug is that it enables these clocks at boot,
> > and the correct quirk is to make clk-pmc-atom.c disable them during init,
> > but leave the _PRx handling for the used clocks (CLK3) to ACPI.
> > 
> > Right?
> 
> Well, depending.  The BIOS may need them for something, we just don't know.
> 
> But if the above works, that would be the cleanest way I suppose.

I had a previous quirk patch attached to
https://bugzilla.kernel.org/show_bug.cgi?id=193891
which disables the SATA controller.  I decided to
do the clk quirk on top of it and sending both as RFC.

I test with v4.14-rc2 + sound/topic/dollar-cove-ti-4.13-v5
+ sound/topic/soc-cx2072x-4.13 + your v4 i2c: designware
patches + some more out of tree patches that allow me to enter S0ix.

Thanks,
Johannes
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