Re: [patch] ohci1394: don't leave interrupts enabled during suspend/resume

[Robert Hancock]

Stefan Richter wrote:
> Robert Hancock wrote:
> > Stefan Richter wrote:
> > >     reg_write(ohci, OHCI1394_IntMaskClear, 0xffffffff);
> > >
> > > in ohci1394's .suspend() switches interrupts off.
> > Presumably it should.. but the fact remains that if free_irq helps
> > anything, then the device must be generating interrupts for some reason,
>
> Or another device:
> http://www.gossamer-threads.com/lists/linux/kernel/896053
>
> Questions for Frans, quoting tglx:
> Do you have CONFIG_NET_POLL_CONTROLLER enabled in your .config?  If yes,
> can you please disable it and check whether the problem persists?

Hmm, that case sounds like disable_irq on an MSI device redirecting the 
interrupts to the legacy INTx interrupt instead of actually disabling 
them? If this is what's happening here, then that's the bug..
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