Thread (10 messages) 10 messages, 5 authors, 2016-01-12

arm qemu boot failures in -next due to 'PM / Domains: add setter for dev.pm_domain'

flat view

From: linux@roeck-us.net (Guenter Roeck)
Date: 2016-01-11 20:04:55
Also in: linux-omap, linux-pm, lkml

On Mon, Jan 11, 2016 at 10:55:00AM -0800, Tony Lindgren wrote:
* Guenter Roeck [off-list ref] [160111 09:51]:
quoted
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
quoted hunk ↗ jump to hunk
--- 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);
 }
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help