Re: RFC: Platform data for onboard USB assets

Mark Brown
2011-03-11T16:53:29Z

On Fri, Mar 11, 2011 at 11:45:20AM -0500, Alan Stern wrote:

> Or to put it another way... With external, hot-plugged USB devices,
> there is no need to know "how it is wired". The fact that it is on a
> USB bus is the only information necessary. Why does anyone need to
> know more than this for on-board USB devices?

Examples I'm aware of include things like power control beyond what the
USB spec does and not programming device identification or configuration
information that would normally be initialised by the hardware, relying
on the AP to program it at runtime.