Re: [linux-usb-devel] queueing URBs?

[David Brownell]

> > Wait... different answer here.... can this be done with ->next?  People
> > seem to have different opinions here.  Some say ->next is for ISO only.
> 
> That's incorrect. From Documentation/usb/URB.txt:
> 
> - URBs can be linked. After completing one URB, the next one can be
> automatically submitted. This is especially useful for ISO transfers:
> You only have read/write the data from/to the buffers in the completion 
> handler, the continuous streaming itself is transparently done by the 
> URB-machinery.
> 
> It specifically mentions ISO as a place where it useful, but it does not
> limit it to specifically ISO.

Near as I can tell, that bit of text has never been correct ...
Clearly it's wrong today, and has been so for the last year!

- Dave



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