Am Mittwoch, 21. Juli 2004 18:17 schrieb Matthew Dharm:
> The only idea I had was to force URBs to be allocated in a manner such that
> they are associated with a device (and thus, by implication, with a
> particular controller and it's DMA pool). �Then, we can make any
> allocations that the core or HCD might need at that time.
>
> This would complicate URB management for higher-level drivers. �But really,
> what driver right now has a pool of URBs which are shared among multiple
> devices? �I just don't see this as a large hurdle....
>
> Comments?
You are right. We've discussed it. You'd have to set the maximum buffer
an URB can transmit at allocation time. It would have more benefits, even
in unlikely places like usb_kill_urb().
Yet it is a major rewrite and we decided that it's 2.7 matter.
Regards
Oliver
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