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Date:   Tue, 19 Dec 2017 13:20:51 -0700
From:   Jason Gunthorpe <>
To:     Jarkko Sakkinen <>
Cc:     "Shaikh, Azhar" <>,
        Javier Martinez Canillas <>,
        James Ettle <>,
        "" <>,
        "" <>,
        "" <>
Subject: Re: [BISECTED] tpm CLKRUN breaks PS/2 keyboard and touchpad on
 Braswell system

On Tue, Dec 19, 2017 at 03:04:32PM +0200, Jarkko Sakkinen wrote:

> > That makes it a BIOS bug, not a chipset bug, and we shouldn't be
> > trying to fix it like this in Linux.
> > 
> > Based on the original discussion I always thought this was an Intel
> > chipset bug and applies to all cases.
> It would not be first time when some BIOS issues are circumvented in the
> kernel.

Yes, but we don't circumvent BIOS bugs by detecting the chipset type,
we look for the buggy BIOS.


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