Blatant simple bug in Cavium SDK USB code?

[Warner Losh]

On Apr 1, 2011, at 4:18 PM, Juli Mallett wrote:

> Following up to Andrew,
> 
> On Fri, Apr 1, 2011 at 14:23, bhanuprakash bodireddy
> <bhanuprakashbodireddy at gmail.com> wrote:
>> On Fri, Apr 1, 2011 at 1:03 PM, Andrew Duane <aduane at juniper.net> wrote:
>>> 
>>> This isn't even close to the only problem I'm having. I don't make it out
>>> of cvmx_usb_initialize at all. One of two things happens:
>> 
>> We are yet to add the USB support to mainline. I have sent USB support
>> patches to Juli and she had reviewed them earlier.
>> But some of the routines are yet to be rewritten(due to other issues) and
>> hence the support is still missing.
> 
> The outstanding patches are for Octeon 2 only, so if you're using
> CN5XXX you'll have to wait for someone to fix up the SDK-based USB
> driver.  HPS did a great job on it initially, even working without
> hardware, and we managed to get it mostly working, but there were/are
> remaining issues that somebody with interest, time and hardware will
> need to solve.  My USB need has disappeared and I've been short on
> time, so it hasn't been a priority for me.  (I can't speak to CN3XXX
> as I don't have any usable CN3XXX hardware presently and it doesn't
> seem worth investing as much effort in.)

I have some here, and it is only interesting to me because it is my regression testbed...

> Oleksandr has Octeon hardware with USB, and there's a system with USB
> in the Netperf cluster (although obviously that isn't really
> convenient for USB testing, but can be used for basic controller work)
> and Alexander Kabaev has expressed an interest in USB in the past.
> There's a D-Link Ukraine developer who has done some work with the
> DWC_OTG driver from Linux for Octeon and some other boards with
> similar hardware.  Adrian Chadd should be getting Octeon hardware in
> the near future, including USB.  So there's enough people with the
> right skills and hardware out there, it's just a matter of someone
> having enough time and interest to work on it

I have gear in my garage too that could be used, but I'm ENOTIME for projects like this...

Warner

>