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Date:      Fri, 11 Mar 2011 15:34:07 +0000 (UTC)
From:      John Baldwin <jhb@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org
Subject:   svn commit: r219493 - stable/8/sys/kern
Message-ID:  <201103111534.p2BFY7DI084319@svn.freebsd.org>

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Author: jhb
Date: Fri Mar 11 15:34:06 2011
New Revision: 219493
URL: http://svn.freebsd.org/changeset/base/219493

Log:
  MFC 208898:
  Call BUS_PROBE_NOMATCH() when device detached due to driver unload.
  This allows bus to power-down device when driver unloaded on-flight.

Modified:
  stable/8/sys/kern/subr_bus.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)

Modified: stable/8/sys/kern/subr_bus.c
==============================================================================
--- stable/8/sys/kern/subr_bus.c	Fri Mar 11 15:14:40 2011	(r219492)
+++ stable/8/sys/kern/subr_bus.c	Fri Mar 11 15:34:06 2011	(r219493)
@@ -1180,6 +1180,9 @@ 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;
 			}
 		}
 	}
@@ -2674,6 +2677,7 @@ 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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