On Sat, Nov 01, 2014 at 01:45:47AM +0100, Rafael J. Wysocki wrote:
> On Monday, October 20, 2014 11:04:46 AM Krzysztof Kozlowski wrote:
> > @@ -198,8 +217,10 @@ static int amba_probe(struct device *dev)
> > pm_runtime_enable(dev);
> >
> > ret = pcdrv->probe(pcdev, id);
> > - if (ret == 0)
> > + if (ret == 0) {
> > + pcdev->irq_safe = pm_runtime_is_irq_safe(dev);
>
> This looks racy.
>
> Is it guaranteed that runtime PM callbacks won't be run for the device
> after pcdrv->probe() has returned and before setting pcdev->irq_safe?
> If not, inconsistent behavior may ensue.
You are absolutely correct. So that knocks that idea on its head.
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