Re: REGRESSION: Renesas USB host broken after commit d143825baf15

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Wed, Jul 21, 2021 at 09:20:38AM +0200, Takashi Iwai wrote:
> On Wed, 21 Jul 2021 01:29:22 +0200,
> Moritz Fischer wrote:
> > 
> > Hi Takashi,
> > 
> > On Wed, Jul 21, 2021 at 01:06:29AM +0200, Takashi Iwai wrote:
> > > Hi,
> > > 
> > > the recent patch landed in 5.13.2 stable tree from the upstream commit
> > > d143825baf15 ("usb: renesas-xhci: Fix handling of unknown ROM state")
> > > seems causing a regression on a few machines, as reported on openSUSE
> > > Bugzilla:
> > >   https://bugzilla.opensuse.org/show_bug.cgi?id=1188485
> > >   https://bugzilla.opensuse.org/show_bug.cgi?id=1188515
> > > 
> > > Reverting it on top of 5.13.3 fixed the problem, so it's likely the
> > > cause.  Could you guys take a look?
> > 
> > I've sent out a revert patch.
> > 
> > https://lore.kernel.org/linux-usb/20210719070519.41114-1-mdf@kernel.org/T/#u
> > 
> > I think the driver has more problems but I'll tackle that in a follow up
> > patch, lets get this unbricked, first.
> 
> OK, thank you for the information!

I've reverted this now, will get it to Linus for 5.14-rc3, sorry about
that.

thanks,

greg k-h