CFR: usb switchover patches

[Joe Marcus Clarke]

On Thu, 2009-02-19 at 19:37 -0800, Andrew Thompson wrote:
> Hi,
> 
> 
> I have put together a proposed set of changes for moving USB2 to its
> permanent location. The layout has some differences to how it is right
> now so I am looking for feedback.
> 
> The changeover requires that the old usb stack be available until 8.0 is
> branched and moves it from sys/dev/usb to sys/legacy/dev/usb. The reason
> for this location is to reduce the changes in #includes (using -I
> compiler hacks). The patch doesnt show userland changes required for
> usbdevs and friends but they will be done.
> 
> Some ports will break. Any that exist solely for the old usb stack can
> be marked broken (like udesc_dump). I dont know that the fallout will be
> like for the others, maybe portmgr would be interested in doing a build
> test.
> 
> The change roughly goes
> 
>  svn move sys/dev/usb -> sys/legacy/dev/usb
>  svn move sys/dev/usb2 -> sys/dev/usb (with fixups, see below)

The headers for usb are no longer installed.  This rebreaks hal as I
attempt to build both backends.  Can you make sure the old usb headers
are also installed (/usr/include/dev/legacy/usb)?  Without this, I will
have to redo the hal build code.

Joe

> 
> 
> The patch for the build system can be viewed here,
> http://people.freebsd.org/~thompsa/usb_layout/usb_xover.diff
> 
> Now the changes... For starters the '2' will be removed from the
> filenames but furthermore I want to flatten dev/usb2/core and 
> dev/usb2/include into just dev/usb, keeping the peripheral drivers in
> their subdirs. Its hard to show with a diff so simply browse the layout
> here, http://people.freebsd.org/~thompsa/usb_layout/dev/
> 
> Please send any minor/nitpick changes to me privately, keeping any list
> replies to the overall changes.
> 
> 
> regards,
> Andrew
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