1 files changed, 9 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
index 36bf454ba855..349ecf26ce10 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci
+++ b/Documentation/ABI/testing/sysfs-bus-pci
@@ -74,6 +74,15 @@ Description:
                 hot-remove the PCI device and any of its children.
                 Depends on CONFIG_HOTPLUG.
 
+What:           /sys/bus/pci/devices/.../pci_bus/.../rescan
+Date:           May 2011
+Contact:        Linux PCI developers <linux-pci@vger.kernel.org>
+Description:
+                Writing a non-zero value to this attribute will
+                force a rescan of the bus and all child buses,
+                and re-discover devices removed earlier from this
+                part of the device tree.  Depends on CONFIG_HOTPLUG.
+
 What:           /sys/bus/pci/devices/.../rescan
 Date:           January 2009
 Contact:        Linux PCI developers <linux-pci@vger.kernel.org>