Hi Greg, > On Sat, Jul 24, 2021 at 03:41:42PM +0200, Petr Vorel wrote: > > > Why is this even a driver at all, it looks like you can write a small > > > userspace program using libusb to do everything it does, right? What > > > exactly is this driver needed for? > > I'm sorry for not providing more info at the beginning. This is a driver for > > host computer (i.e. developers laptop) used by LiveSuit tool [2] to flash Images > > to the NAND of Allwinner devices. LiveSuit itself [3] is unfortunately provided > > only in binary form. The only open source code with GPL v2 license is awusb > > driver. Thus I thought I could ease my life with upstreaming at least the > > kernel driver. But maybe it's not a good idea. I'm using LiveSuit for flashing > > Allwinner A31, but it requires quite old distro due libqtgui4. Maybe sunxi folks > > use something newer nowadays, but I haven't found anything in their wiki. > Ah, that's not going to be good then. Really, this doesn't seem to need > to be a driver at all, and the ioctls are really strange so we would > need to change them anyway before it could be merged. But with no > access to userspace code, that will be quite difficult, so I would push > back on allwinner and have them work on resolving this. Understand, it makes sense. Thanks for your time! @Sunxi community: am I missing something? Using LiveSuit with old distro chroot and Xephyr with out-of-tree module isn't fun :(. Kind regards, Petr > thanks, > greg k-h
