On 10 November 2015 at 10:33, Daniel Kurtz <djkurtz@xxxxxxxxxxxx> wrote: [snip] > > The problem appears to be that: > * On boot, platform_drv_probe() calls dev_pm_domain_attach() before > drv->probe(); thus, it calls dev_pm_domain_attach() while the device > is unbound. > > * However, for a platform_device, the reboot path calls > device_shutdown(), but not __device_release_driver(): > device_shutdown() > dev->driver->shutdown => platform_drv_shutdown() > dev_pm_domain_detach() > dev->pm_domain->detach() => genpd_dev_pm_detach() > pm_genpd_remove_device() > dev_pm_domain_set(dev, NULL); > > So, for a platform_device in a genpd power domain with .shutdown > installed, platform_drv_shutdown() calls dev_pm_domain_detach() while > the device is still bound, which triggers the WARN(). Hi Rafael, Alan and Ulf, do you have any suggestion about this? I don't really understand why the device is detached from the domain on shutdown. Thanks, Tomeu > Thanks, > -Dan > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
