Re: [BISECTED] tpm CLKRUN breaks PS/2 keyboard and touchpad on Braswell system

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On Mon, Dec 18, 2017 at 01:29:01PM +0100, Javier Martinez Canillas wrote:
> On 12/18/2017 01:22 PM, Javier Martinez Canillas wrote:
> 
> [snip]
> 
> > 
> > James,
> > 
> > Can you please test the following (untested) patch on top of the other two
> > mentioned patches to see if it makes a difference for you?
> > 
> 
> I should had tried to at least compile the patch :)

I think this is backwards..

If CLKRUN_EN is on (eg power management is NOT enabled on LPC) then
TPM shouldn't do anything at all.

If CLKRUN_EN is off, then it should try to turn it on/off to save
power.

Perhaps the best work around is to just delete the turning off of
CLKRUN_EN ? Uses more power but keeps the clock running which should
keep both TPM and superio happy.

Jason



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