svn commit: r208898 - head/sys/kern
Alexander Motin
mav at FreeBSD.org
Mon Jun 7 18:47:54 UTC 2010
Author: mav
Date: Mon Jun 7 18:47:53 2010
New Revision: 208898
URL: http://svn.freebsd.org/changeset/base/208898
Log:
Call BUS_PROBE_NOMATCH() when device detached due to driver unload.
This allows bus to power-down device when driver unloaded on-flight.
Modified:
head/sys/kern/subr_bus.c
Modified: head/sys/kern/subr_bus.c
==============================================================================
--- head/sys/kern/subr_bus.c Mon Jun 7 18:29:10 2010 (r208897)
+++ head/sys/kern/subr_bus.c Mon Jun 7 18:47:53 2010 (r208898)
@@ -1166,6 +1166,9 @@ devclass_delete_driver(devclass_t buscla
if ((error = device_detach(dev)) != 0)
return (error);
device_set_driver(dev, NULL);
+ BUS_PROBE_NOMATCH(dev->parent, dev);
+ devnomatch(dev);
+ dev->flags |= DF_DONENOMATCH;
}
}
}
@@ -2660,6 +2663,7 @@ device_attach(device_t dev)
}
device_sysctl_update(dev);
dev->state = DS_ATTACHED;
+ dev->flags &= ~DF_DONENOMATCH;
devadded(dev);
return (0);
}
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