linux-kernel - Re: [linux-usb-devel] [PATCH] : Allow embedded developers USB options normally reserved for OTG

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Message-Id: <200801022203.04991.rgetz@blackfin.uclinux.org>
Date:	Wed, 2 Jan 2008 22:03:04 -0500
From:	Robin Getz <rgetz@...ckfin.uclinux.org>
To:	"David Brownell" <david-b@...bell.net>
Cc:	linux-usb-devel@...ts.sourceforge.net, gregkh@...e.de,
	linux-kernel@...r.kernel.org
Subject: Re: [linux-usb-devel] [PATCH] : Allow embedded developers USB options normally reserved for OTG

On Wed 2 Jan 2008 13:47, David Brownell pondered:
> On Wednesday 02 January 2008, Robin Getz wrote:
> > From: Robin Getz <rgetz@...ckfin.uclinux.org>
> > 
> > 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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