On Tue, 2006-10-24 at 13:41 +0200, Stefan Richter wrote:
> Benjamin Herrenschmidt wrote:
> > Well, the question is wether we want to make the whole machine suspend
> > fail because there is a 1394 chip that doesn't do PCI PM in or not...
> >
> > I can send patches "fixing" it both ways (just ignoring the result from
> > pci_set_power_state in general, or just ignoring that result on Apple
> > cells).
>
> Yes, what would be the correct way to do this? And if it the latter
> option, should that be implemented in ohci1394 or in pci_set_power_state?
>
> grep says that almost nobody checks the return code of
> pci_set_power_state. But e.g. usb/core/hcd-pci.c does...
Yes, and I think that's bogus too ...
> (Side note: The sole function that ohci1394's suspend and resume hooks
> fulfill right now in mainline is to change power consumption of the
> chip. The IEEE 1394 stack as a whole does not survive suspend + resume
> yet. A still incomplete solution is in linux1394-2.6.git.)
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