On Wed 2 Jan 2008 13:47, David Brownell pondered:
> On Wednesday 02 January 2008, Robin Getz wrote:
> > From: Robin Getz <rgetz@xxxxxxxxxxxxxxxxxxxx>
> >
> > Allow embedded developers to turn support for USB Hubs off even if
> > they have a full root hub. This saves the overhead (RAM and Flash size).
>
> ISTR that it won't save very much code though ... the Linux USB
> stack structures all its enumeration logic around hubs.
Today, there is an USB (Host), USB_GADGET and USB_OTG (which depends on USB &&
USB_GADGET).
This just enables cutting more code out, with out having to have USB_GADGET &
USB_OTG enabled. When I checked - that is where most of the savings came
from.
-Robin
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