[U-Boot] Failing USB devices

[Harvey Chapman]

On Aug 23, 2013, at 6:54 AM, Benoît Thébaudeau <benoit.thebaudeau at advansee.com> wrote:

> This is the kind of issue that made me create this (discarded) patch at some
> point:
> http://patchwork.ozlabs.org/patch/176527/
> 
> Can you try it? I'm not sure that it will be helpful for your specific case.
> 
> I also have this issue with some devices and mainline U-Boot. I can confirm that
> this is a device initialization delay issue because subsequent USB commands on
> the device succeed (only the single automatic U-Boot USB command that I use at
> boot time fails).

FWIW I've had a similar problem with an OMAP3 board. I run "usb start" and then immediately "usb reset" once or twice until my USB device shows up.

I'll try the suggestions here.