bug: usb: gadget: FSL_UDC_CORE Corrupted request list leads to unrecoverable loop.

[Joakim Tjernlund]

On Thu, 2021-12-02 at 20:35 +0000, Leo Li wrote:
> 
> > -----Original Message-----
> > From: Joakim Tjernlund <Joakim.Tjernlund at infinera.com>
> > Sent: Wednesday, December 1, 2021 8:19 AM
> > To: regressions at leemhuis.info; Leo Li <leoyang.li at nxp.com>;
> > Eugene_Bordenkircher at selinc.com; linux-usb at vger.kernel.org; linuxppc-
> > dev at lists.ozlabs.org
> > Cc: gregkh at linuxfoundation.org; balbi at kernel.org
> > Subject: Re: bug: usb: gadget: FSL_UDC_CORE Corrupted request list leads to
> > unrecoverable loop.
> > 
> > On Tue, 2021-11-30 at 12:56 +0100, Joakim Tjernlund wrote:
> > > On Mon, 2021-11-29 at 23:48 +0000, Eugene Bordenkircher wrote:
> > > > Agreed,
> > > > 
> > > > We are happy pick up the torch on this, but I'd like to try and hear from
> > Joakim first before we do.  The patch set is his, so I'd like to give him the
> > opportunity.  I think he's the only one that can add a truly proper description
> > as well because he mentioned that this includes a "few more fixes" than just
> > the one we ran into.  I'd rather hear from him than try to reverse engineer
> > what was being addressed.
> > > > 
> > > > Joakim, if you are still watching the thread, would you like to take a stab
> > at it?  If I don't hear from you in a couple days, we'll pick up the torch and do
> > what we can.
> > > > 
> > > 
> > > I am far away from this now and still on 4.19. I don't mind if you tweak
> > tweak the patches for better "upstreamability"
> > 
> > Even better would be to migrate to the chipidea driver, I am told just a few
> > tweaks are needed but this is probably something NXP should do as they
> > have access to other SOC's using chipidea.
> 
> I agree with this direction but the problem was with bandwidth.  As this controller was only used on legacy platforms, it is harder to justify new effort on it now.
> 

Legacy? All PPC is legacy and not supported now? 

  Jocke