what does CMD_SET_BOOT2_VER ?

[David Woodhouse]

On Thu, 2007-12-06 at 08:50 -0800, Javier Cardona wrote:
> Dan,
> 
> On 12/6/07, Dan Williams <dcbw at redhat.com> wrote:
> > This patch came in during all the
> > wireless suspend/resume stuff, not sure what the overall importance of
> > the patch really is any more though given that it wasn't the real
> > problem.
> 
> My recollection is that on resume there is a partial enumeration.  If
> all the USB enumeration parameters match (including the boot2 version,
> in bcdDevice) it is assumed that the enumerated device was supended
> and state will be restored.  If there is a mismatch, the device will
> be reset and fully enumerated.
> That's based on conversations with Marcelo.  I have not check that the
> usb host controller still does this.

Ah, that makes a certain amount of sense. Still, seems to make
absolutely no sense to have the host remember the version and give it
_back_ to the device. Couldn't the runtime firmware have found it for
itself?

-- 
dwmw2