https://bugzilla.kernel.org/show_bug.cgi?id=215770

--- Comment #9 from Kai-Heng Feng (kai.heng.f...@canonical.com) ---
(In reply to Mario Limonciello (AMD) from comment #8)
> Thanks.  It was a bit of a long shot that this helped this design, but that
> commit does fix some IRQ1 related problems on other designs.
> 
> I'll send up this patch for the extra debugging message separately for
> Rafael to take a look at, I think it's useful for issues like this.

Yes this will be quite useful.

> 
> I still do think this issue at it's core is a platform firmware issue not a
> kernel issue.  One of 3 things to me:
> 1) Either the EC asserting i8042

Or maybe it's from IO-APIC? The EC folks guaranteed that i8042 doesn't raise
the IRQ. 

> 2) The polarity is wrong for IRQ1 (like I mentioned for that coreboot design
> in AMD gitlab issue).

If polarity is wrong, the keyboard won't work at all. So I don' think it's the
case here.

> 3) Some other source in this design asserting IRQ1 that is not EC.
I think AMD Taipei is trying to find the root cause here.

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