Benjamin Herrenschmidt wrote:
> Minor nit: Should the warning be preceeded by a message ? The reason is,
> right now, all we get is a backtrace, it doesn't actually tell you which
> device or driver caused it which makes it pretty pointless.
>
> I think you should add a printk(KERN_ERR... just before that which gives
> those informations along with a little blurb along the lines of "driver
> changed device state without saving config space state").
That is actually already included in the patch (through drv->suspend):
> - if (WARN_ON_ONCE(pci_dev->current_state != PCI_D0))
> + if (pci_dev->current_state != PCI_D0
> + && pci_dev->current_state != PCI_UNKNOWN) {
> + WARN_ONCE(pci_dev->current_state != prev,
> + "PCI PM: Device state not saved by %pF\n",
> + drv->suspend);
Cheers,
FJP
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