1 files changed, 18 insertions, 0 deletions

diff --git a/include/linux/phy.h b/include/linux/phy.h
index 68041446c450..ed39956b5613 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -545,6 +545,24 @@ struct phy_driver {
          */
         void (*link_change_notify)(struct phy_device *dev);
 
+        /* A function provided by a phy specific driver to override the
+         * the PHY driver framework support for reading a MMD register
+         * from the PHY. If not supported, return -1. This function is
+         * optional for PHY specific drivers, if not provided then the
+         * default MMD read function is used by the PHY framework.
+         */
+        int (*read_mmd_indirect)(struct phy_device *dev, int ptrad,
+                                 int devnum, int regnum);
+
+        /* A function provided by a phy specific driver to override the
+         * the PHY driver framework support for writing a MMD register
+         * from the PHY. This function is optional for PHY specific drivers,
+         * if not provided then the default MMD read function is used by
+         * the PHY framework.
+         */
+        void (*write_mmd_indirect)(struct phy_device *dev, int ptrad,
+                                   int devnum, int regnum, u32 val);
+
         struct device_driver driver;
 };
 #define to_phy_driver(d) container_of(d, struct phy_driver, driver)