1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/phy.h b/include/linux/phy.h
index ca4a83c4c537..891f27f9137e 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -100,6 +100,13 @@ struct mii_bus {
         struct mutex mdio_lock;
 
         struct device *parent;
+        enum {
+                MDIOBUS_ALLOCATED = 1,
+                MDIOBUS_REGISTERED,
+                MDIOBUS_UNREGISTERED,
+                MDIOBUS_RELEASED,
+        } state;
+        struct device dev;
 
         /* list of all PHYs on bus */
         struct phy_device *phy_map[PHY_MAX_ADDR];
@@ -113,6 +120,7 @@ struct mii_bus {
          */
         int *irq;
 };
+#define to_mii_bus(d) container_of(d, struct mii_bus, dev)
 
 #define PHY_INTERRUPT_DISABLED  0x0
 #define PHY_INTERRUPT_ENABLED   0x80000000