linux-kernel - Re: REGRESSION: Renesas USB host broken after commit d143825baf15

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Message-ID: <s5h1r7snneh.wl-tiwai@suse.de>
Date:   Wed, 21 Jul 2021 09:20:38 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Moritz Fischer <moritz.fischer.private@...il.com>
Cc:     Takashi Iwai <tiwai@...e.de>, Moritz Fischer <mdf@...nel.org>,
        Vinod Koul <vkoul@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: REGRESSION: Renesas USB host broken after commit d143825baf15

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!


Takashi