On Tuesday 07 September 2004 2:17 pm, Lothar Wassmann wrote:
> Hi,
> 
> here is a kernel [2.6.8.1] patch, that converts the SL811HS chip into
> an (more or less) OHCI compatible host controller. It has been
> developed and tested on a PXA255 platform, but should be easily
> adoptable to other platforms as well. And maybe serve as a base for
> the adaptation of other non-OHCI chips.

That's an interesting idea, though I can imagine some chips
might not fit very smoothly into an OHCI-shaped hole ... :)

I think it'd need to merge after the "big endian OHCI" patches
from Dale Farnsworth (STB04xxx and MPC52xx), which got
into the queue first and which touch much of the same code.
Unfortunately that's a pretty huge patch ... so for the moment
your ohci-sl811 driver will need to stay separate.

Have you run this through all the "usbtest" code, and seen
that it behaves OK for the transfer types you support?  (And
fails cleanly for ISO.)


> It is working for several customers already with mice, memory
> stick, SD-card reader, WLAN adapter,...

That sounds really good ... it's a heck of a lot better than anyone
has reported with the previous SL811HS drivers!

- Dave


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