On Thu, 2021-12-02 at 20:35 +0000, Leo Li wrote: > > > -----Original Message----- > > From: Joakim Tjernlund <Joakim.Tjernlund@xxxxxxxxxxxx> > > Sent: Wednesday, December 1, 2021 8:19 AM > > To: regressions@xxxxxxxxxxxxx; Leo Li <leoyang.li@xxxxxxx>; > > Eugene_Bordenkircher@xxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx; linuxppc- > > dev@xxxxxxxxxxxxxxxx > > Cc: gregkh@xxxxxxxxxxxxxxxxxxx; balbi@xxxxxxxxxx > > 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