[U-Boot-Users] [PATCH] USB: shutdown USB before booting

[Wolfgang Denk]

In message <200807101502.14543.sr at denx.de> you wrote:
> 
> Yes, I remember hearing of this problem. I thought it was already fixed. Seems 
> not to be the case. Please find a comment below.

I thought so, too. But Martin Krause's patch somehow got stuck in the
gearbox.

> By implementing this usb_stop() in do_bootm() you prevent this problem in many 
> cases (e.g. Linux booting). But unfortunately not in all cases. For 
> example "bootelf" or "bootvx" are not fixed.

You are right.

> Can't this be solved in a different way. By calling usb_stop each time after 
> an USB command completes. IIRC, this is how it is done in the U-Boot network 
> implementation too.
> 
> What do you think?

I pulled in the current patch so we reduce  the  problem  as  far  as
possible; any better implementation is welcome.

Best regards,

Wolfgang Denk

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