Messages in this thread | | | Date | Tue, 13 May 2003 11:11:20 -0700 | From | Greg KH <> | Subject | Re: 2.5.69 Interrupt Latency |
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On Tue, May 13, 2003 at 11:09:13AM -0700, Greg KH wrote: > On Tue, May 13, 2003 at 08:01:01AM -0500, Paul Fulghum wrote: > > On Tue, 2003-05-13 at 12:30, Greg KH wrote: > > > On Tue, May 13, 2003 at 10:35:07AM -0500, Paul Fulghum wrote: > > > > On Tue, 2003-05-13 at 10:26, Alan Stern wrote: > > > > > > > > > Putting in a sanity check for the global suspend state will be very easy. > > > > > But I would like to point out that this "global suspend" does not refer to > > > > > the entire system, only the USB bus. > > > > > > > > That is a problem then, because the delay can still > > > > occur during normal system operation. > > > > > > Ok, can you try the attached patch and see if it causes your latency > > > problem to go away? > > > > I applied the patch plus a couple of printk statements, > > and the wakeup_hc() is being continuously called > > as well as actually executing the delay. > > Is the suspend_hc() function ever getting called by anyone in that > driver?
Ok, nevermind, I see where it would be getting called under normal operation...
Hm, I don't really know. Johannes, any thoughts?
thanks,
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