On 7/5/06, Alan Stern <[EMAIL PROTECTED]> wrote: > I'm hampered by lack of detailed knowledge of the driver. However it > seems to me that those two calls should affect the schedule (cheap) and > not the budget (expensive).
Oh, hmm. That's actually not a bad idea. Some part of me is saying 'duh'. OK, that's the way it should be done, but in a later-stage patch as it will complicate chopping the patch into patchlets. > That's right. Note what you said: the URB is resubmitted by core/hub.c. A fair cop. > > > ehci-hcd doesn't schedule endpoints; it schedules QHs. > > > > Effectively the same thing. An INTR endpoint maps to one and only one > > QH in the schedule. > > Yes, they are in a one-to-one relation. That doesn't make them the same > thing. Precision of expression is important when discussing complicated > topics. English will always be somewhat imprecise and what i said really could only have meant one thing. Still, you're more right and I was more wrong. > Go back and re-read what you yourself wrote above: the URB is resubmitted > by core/hub.c. Not by ehci-hcd. Quite right; I also stated clearly when I realized I was confused and I corrected myself, but the argument continued. > The way to avoid excess computation is to have intr_deschedule() and > periodic_qh_schedule() do less work. There's no need to tear down and > rebuild a scheduler budget when there's not going to be any net change. I agree that's the best thing to do, at least for now. Monty Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
