Re: [RFC] ARM i.MX21 Host Controller Driver

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Friday 27 March 2009, Haavard Skinnemoen wrote:
> 
> > Something you're more likely to run into is the ep0out test
> > case failure I saw.  Again, it *might* be specific to my
> > test setup ... the first (64 byte) data packet got written
> > to the peripheral, from then on it was ping/nak until the
> > request timed out and got aborted.  Specific to "test 14".
> 
> Test 14...that's the control OUT test, right? I think it used to work,

Yeah, I thought so too.


> but I guess it's one of the transfer types most likely to regress since
> many gadgets don't require such transfers.

Gadget zero, for testing; and the RNDIS/Ethernet link.
Most AVR32AP boards have Real Ethernet links.  :)


> I've been doing a bit of bare-metal USB programming on UC3 chips
> lately...I guess I should take a look and see if anything looks stupid
> in the light of that additional experience...

Those have the full-speed OTG controller that some AVR8
chips have, yes?  There might be something.  But these
two PING/NAK issues couldn't show up at full speed.

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux