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Re: Regression in 5.16.3 with mt7921e

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On Sun, Jan 30, 2022 at 1:28 AM Greg KH <greg@xxxxxxxxx> wrote:
>
> On Sat, Jan 29, 2022 at 01:05:50PM -0600, Felipe Contreras wrote:
> > Hello,
> >
> > I've always had trouble with this driver in my Asus Zephyrus laptop,
> > but I was able to use it eventually, that's until 5.16.3 landed.
> >
> > This version completely broke it. I'm unable to bring the interface
> > up, no matter what I try.
> >
> > Before, sometimes I was able to make the chip work by suspending the
> > laptop, but in 5.16.3 the machine doesn't wake up (which is probably
> > another issue).
> >
> > Reverting back to 5.16.2 makes it work.
> >
> > Let me know if you need more information, or if you would like me to
> > bisect the issue.
>
> Using 'git bisect' would be best, so we know what commit exactly causes
> the problems.

I know, but it has been a while since I've created a decent config
file to build a kernel.

Either way, I pushed forward and the commit is a38b94c43943.

Upstream commit 547224024579 introduced a regression that was fixed by
the next commit 680a2ead741a, but the second commit was never merged
to stable.

I've sent the second commit to fix the regression.

-- 
Felipe Contreras



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