Re: CPM2 USB host driver

[Anton Vorontsov <avorontsov@ru.mvista.com>]

On Fri, Nov 30, 2007 at 01:30:18PM +0100, Laurent Pinchart wrote:
> On Friday 30 November 2007 12:16, Vitaly Bordug wrote:
> > On Fri, 30 Nov 2007 11:45:49 +0100
> >
> > Laurent Pinchart wrote:
> > > Hi everybody,
> > >
> > > Linux USB host support for the CPM, CPM2 and CPM2 pro is far from
> > > complete. Many people showed interest on this list (and on
> > > linuxppc-embedded) in the past, but nobody managed to complete a
> > > driver and get it merged.
> >
> > that is mainly because of its semi-software nature. However, any approach
> > would be helpful I beleive.
> 
> The CPM/CPM2 USB host controller does indeed put some pressure on the CPU. The 
> PowerQuick III family is much better in that respect as its USB host 
> controller is EHCI compliant.

I didn't yet compare with CPM/CPM2, but I wonder if PQIIPro (MPC8360E)
USB controller is similar to cpms?..

I tried to forward-port FHCI from Freescale 2.6.11 kernels. Twice.
But these efforts always stumbled over more important tasks.

-- 
Anton Vorontsov
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