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-rw-r--r--Documentation/ABI/testing/sysfs-bus-mdio10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-mdio b/Documentation/ABI/testing/sysfs-bus-mdio
index 2133afd0b06..491baaf4285 100644
--- a/Documentation/ABI/testing/sysfs-bus-mdio
+++ b/Documentation/ABI/testing/sysfs-bus-mdio
@@ -17,3 +17,13 @@ Description:
Ethernet driver during bus enumeration, encoded in string.
This interface mode is used to configure the Ethernet MAC with the
appropriate mode for its data lines to the PHY hardware.
+
+What: /sys/bus/mdio_bus/devices/.../phy_has_fixups
+Date: February 2014
+KernelVersion: 3.15
+Contact: netdev@vger.kernel.org
+Description:
+ This attribute contains the boolean value whether a given PHY
+ device has had any "fixup" workaround running on it, encoded as
+ a boolean. This information is provided to help troubleshooting
+ PHY configurations.