On Mon, May 27, 2002 at 01:17:58PM +0200, Johann Deneux wrote:
> Johannes Erdfelt wrote:
> >I can only see 2 reasons for putting it into the HCD: OHCI and EHCI
> >handle it implicitily and for speed.
> >
> >There is a strong desire to keep bulk fast, but I can't come up with a
> >reason for control to be faster.
> >
> 
> It depends on what you mean by fast. I am trying to write a driver for a 
> device that needs control messages to be sent often (every 0.1s or 0.01s 
> or so).

This is not a very hard-to-meet requirement. One control URB every 2-4
frames (1ms) should be doable without any queueing.
-- 
         Georg Acher, [EMAIL PROTECTED]         
         http://www.in.tum.de/~acher/
          "Oh no, not again !" The bowl of petunias          

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