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SubjectRe: arm qemu boot failures in -next due to 'PM / Domains: add setter for dev.pm_domain'
On Mon, Jan 11, 2016 at 10:55:00AM -0800, Tony Lindgren wrote:
> * Guenter Roeck <linux@roeck-us.net> [160111 09:51]:
> > Hi,
> >
> > I see 6 out of 24 arm qemu tests failing in next-20160111. Bisect points
> > to commit 989561de9b51 ("PM / Domains: add setter for dev.pm_domain").
> > Failures are silent - there is no output on the console.
> > Affected tests are
> >
> > arm:beagle:multi_v7_defconfig:omap3-beagle
> > arm:beaglexm:multi_v7_defconfig:omap3-beagle-xm
> > arm:overo:multi_v7_defconfig:omap3-overo-tobi
> > arm:beagle:omap2plus_defconfig:omap3-beagle
> > arm:beaglexm:omap2plus_defconfig:omap3-beagle-xm
> > arm:overo:omap2plus_defconfig:omap3-overo-tobi
> >
> > For details please see the 'next' column at http://server.roeck-us.net:8010/builders.
> >
> > Reverting the offending commit fixes the problems.
> >
> > Please let me know if there is anything I can do to help tracking down the problem.
>
> The following fixes the booting, but I wonder if it's a

Yes, it does.

Tested-by: Guenter Roeck <linux@roeck-us.net>

> proper fix?
>
That I don't know.

Guenter

> --- a/drivers/base/power/common.c
> +++ b/drivers/base/power/common.c
> @@ -145,9 +145,10 @@ void dev_pm_domain_set(struct device *dev, struct dev_pm_domain *pd)
> {
> if (dev->pm_domain == pd)
> return;
> -
> - WARN(device_is_bound(dev),
> - "PM domains can only be changed for unbound devices\n");
> + if (device_is_registered(dev)) {
> + WARN(device_is_bound(dev),
> + "PM domains can only be changed for unbound devices\n");
> + }
> dev->pm_domain = pd;
> device_pm_check_callbacks(dev);
> }

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