On Sun, 2003-08-24 at 21:30, David Brownell wrote:
> Benjamin Herrenschmidt wrote:
> > OK, here we go. Enclosed is my current patch that changes some of the
> > PowerMac specific stuff in a more logical way and get rid of
> > ohci->sleeping (I didn't get rid of ohci->disabled yet).
> > 
> > So far, suspend & resume with no device plugged works, BUT, once
> > resumed, I get an irq storm of about 200000 irqs/sec on each of
> > my 2 OHCIs, which slows down the machine dramatically until I
> > rmmod & insmod the driver. I haven't yet investigated what interrupt
> > the HCI is trying to send yet nor did I try with USB devices plugged.
> 
> Any chance of splitting out the "remove ohci->sleeping" bits
> by themselves?  If you don't, I'll want to do that.

np. I didn't really intent to submit this as a candidate patch, more
as a way for you to comment on the direction I'm going.

> There seemed to be some oddnesses in there, like returning IRQ_NONE
> before looking at the IRQ.

Sure, there is still cleanup needed and more thinking. I've been
pretty busy with other things this week end, I'll try to find more
time to work on this (and figure out what irq is really getting
in and stucking me after wakeup).

Ben.




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