OpenWrt – Rev 1

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--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -674,6 +674,9 @@ void phy_detach(struct phy_device *phyde
 {
        int i;
 
+       if (phydev->drv && phydev->drv->detach)
+               phydev->drv->detach(phydev);
+
        if (phydev->bus->dev.driver)
                module_put(phydev->bus->dev.driver->owner);
 
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -498,6 +498,12 @@ struct phy_driver {
         */
        int (*did_interrupt)(struct phy_device *phydev);
 
+       /*
+        * Called before an ethernet device is detached
+        * from the PHY.
+        */
+       void (*detach)(struct phy_device *phydev);
+
        /* Clears up any memory if needed */
        void (*remove)(struct phy_device *phydev);