> -----Original Message----- > From: Joakim Tjernlund <Joakim.Tjernlund@xxxxxxxxxxxx> > Sent: Thursday, December 2, 2021 4:45 PM > 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 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? I'm not saying that they are not supported, but they are in maintenance only mode. Regards, Leo