On Tue, 2007-02-27 at 13:47 -0500, Jon Smirl wrote:
> I'm not too keen on using an ASCII 'S' in the setup field to tell
> whether setup[8] is in use or not. Am I correct in thinking that
> setup[8] is always active on an URB submission and never active on a
> completion or error? 

Well, not exactly. 

The setup array is valid if setup_flag is 0 (ascii '\0').

If the data has been transferred using DMA, the setup array is active
only on certain architecture (currently i386). The same for the URB
data. 

ciao,

Paolo

 
 
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