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

[Johannes Erdfelt]

On Mon, May 21, 2001, David Brownell <[EMAIL PROTECTED]> wrote:
> > > 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!

Never been correct? Do you mean by design? Or by implementation?

JE


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