On Sat, May 07, 2022 at 05:18:02PM +0200, Merlijn Wajer wrote: > Hi Tom, Pali, > > On 25/07/2021 15:43, Tom Rini wrote: > > On Sun, Jul 25, 2021 at 12:40:13PM +0200, Merlijn Wajer wrote: > > > Hi Tom, > > > > > > On 13/07/2021 22:33, Tom Rini wrote: > > > > Hey all, > > > > > > > > So, the DM_USB migration deadline issue has been addressed by the series > > > > here: > > > > https://patchwork.ozlabs.org/project/uboot/list/?series=252793&state=* > > > > which splits out host and gadget support from the CONFIG_USB symbol > > > > itself. The migration deadline was for host support, and as noted, N900 > > > > is gadget only. That particular issue is resolved. > > > > > > Thanks a lot for doing that! > > > > > > > But investigating that issue lead me to figure out some other problems, > > > > that I do need someone to say how will be addressed. Now that the other > > > > board removal series has been applied, and then with: > > > > https://patchwork.ozlabs.org/project/uboot/patch/20210708014348.4010-1-tr...@konsulko.com/ > > > > also applied (for which the maintainer is happy to take), this brings > > > > N900 as the last and only user of the "old" musb driver (the "new" musb > > > > driver is now almost 9 years old) and also the last and only user of the > > > > usbtty driver. > > > > > > > > I suspect that moving to the "new" MUSB driver, for gadget only, and > > > > with that enabling DM_USB_GADGET should be a mechanical affair, so long > > > > as you can fit within the space constraints of the platform. I'm not > > > > immediately sure how hard it will be to update usbtty.c to modern gadget > > > > APIs. If there are size problems, then, well, we need solutions > > > > proposed (it's possible that some of the usb-uclass.c code is host-only > > > > and needs moving, but that likely won't stop gadget from needing it for > > > > gadget related information, to bring up a specific example). > > > > > > > > It's also likely that the MUSB support needs a little further > > > > clean-up for supporting building as gadget-only when there's some common > > > > code under a host-only check. > > > > > > > > What I would like is for someone to step forward and say they'll pick up > > > > this work. Is there an immediate deadline? No. I don't think that > > > > would be helpful. I'm not going to dictate how long it takes for > > > > someone to do the work, that's for the person doing the work to say how > > > > long they think it'll take. > > > > > > I have a nokia serial device for the N900, which makes debugging > > > significantly easier. I have some experience with u-boot (not that much > > > with u-boot on omap though), but I imagine that Ivaylo and/or Pali can > > > help me if I run into problems. So I'll try to pick this up. > > > > > > As for a time frame, I imagine I should be able to find some time for > > > this in the next couple of months. > > > > A couple of months sounds great, thanks! > > It's been a bit longer than that, but I am starting with it today. It > shouldn't take too long at this point. Sorry for the delay.
OK, thanks for the update. -- Tom
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