[PATCH] Freescale QUICC Engine USB Host Controller

Scott Wood scottwood at freescale.com
Fri Apr 4 02:27:22 EST 2008


On Thu, Apr 03, 2008 at 06:30:52PM +0400, Anton Vorontsov wrote:
> On Thu, Apr 03, 2008 at 03:45:47PM +0200, Laurent Pinchart wrote:
> > At first sight the driver depends on qe_lib for:
> > 
> > - muram allocation (qe_muram_alloc/free, qe_muram_offset/addr)
> 
> Yeah, I already posted a patch to deal with it, see
> http://ozlabs.org/pipermail/linuxppc-dev/2008-March/053249.html
> (btw... Scott, Timur did you have a chance to look into this?)

It looks fine to me.

> > It shouldn't be too difficult to abstract those operation in a fashion similar 
> > to the cpm_uart driver.
> 
> Yup, but we still have ucc_serial (QE) and cpm_uart (CPM1/2) drivers as
> separate matters though. ;-) I didn't look for the reasons of this split
> but I assume there are and they're strong enough.

Not really. :-)

The reason was because the work hasn't been done yet to merge the
infrastructure for CPM and QE.

-Scott



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