[U-Boot] [PATCH v1 0/5] various fixes mainly for colibri_t20

[Marcel Ziswiler]

On Mon, 2016-09-12 at 12:13 -0600, Stephen Warren wrote:
> On 09/09/2016 10:10 AM, Marcel Ziswiler wrote:
> > 
> > This series addresses various issues as seen on Colibri T20. Please
> > note that for successful Ethernet operation not only on Colibri T20
> > but also on Colibri T30 the following patch will still need
> > applying
> > as well:
> > 
> > [PATCH] net: asix: Fix ASIX 88772B with driver model
> > 
> > https://www.mail-archive.com/u-boot@lists.denx.de/msg221455.html
> > 
> > Please further note that USB gadget operation on T20 currently
> > still
> > gives me headaches and despite me comparing the U-Boot sources with
> > the Linux driver and trying varous things I am still getting the
> > following upon connecting a T20 target device to a host machine:
> > 
> > [70291.779549] usb 2-3.4.2.7: new high-speed USB device number 29
> > using
> >  xhci_hcd
> > [70291.779677] usb 2-3.4.2.7: Device not responding to setup
> > address.
> > [70291.980783] usb 2-3.4.2.7: Device not responding to setup
> > address.
> > [70292.181466] usb 2-3.4.2.7: device not accepting address 29,
> > error
> >  -71
> > [70292.181507] usb 2-3.4.2-port7: unable to enumerate USB device
> > 
> > Any feedback or suggestions are much appreciated.
> I'm not convinced it's a good idea to enable the feature until it's 
> reasonably robust?

Well, as mentioned before it's not like it hurts anything else really
isn't it?

My hopes were that somebody may actually help me looking into it which
this would ease. I'm not that much familiar with the nitty-gritty
details of low-level USB driver interworking plus am currently missing
any tool like a USB analyser or the like to help me understand what may
be going wrong.