net: phy: xilinx_gmii2rgmii: Define readext and writeext routines

This patch defines writeext and readext routines and hooks
them for xilinx gmii2rgmii phy driver. These routines will
invokes corresponding external phy routines if defined.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c
index 19d8d4d8207e1930b78ce5cc031494a053bec180..681ebe3a7fd2c47bfd4fdc9fdc459159598494bf 100644 (file)
--- a/drivers/net/phy/xilinx_gmii2rgmii.c
+++ b/drivers/net/phy/xilinx_gmii2rgmii.c
@@ -26,6 +26,32 @@ static int xilinxgmiitorgmii_config(struct phy_device *phydev)
        return 0;
 }
 
+static int xilinxgmiitorgmii_extread(struct phy_device *phydev, int addr,
+                                    int devaddr, int regnum)
+{
+       struct phy_device *ext_phydev = phydev->priv;
+
+       debug("%s\n", __func__);
+       if (ext_phydev->drv->readext)
+               ext_phydev->drv->readext(ext_phydev, addr, devaddr, regnum);
+
+       return 0;
+}
+
+static int xilinxgmiitorgmii_extwrite(struct phy_device *phydev, int addr,
+                                     int devaddr, int regnum, u16 val)
+
+{
+       struct phy_device *ext_phydev = phydev->priv;
+
+       debug("%s\n", __func__);
+       if (ext_phydev->drv->writeext)
+               ext_phydev->drv->writeext(ext_phydev, addr, devaddr, regnum,
+                                         val);
+
+       return 0;
+}
+
 static int xilinxgmiitorgmii_startup(struct phy_device *phydev)
 {
        u16 val = 0;
@@ -103,6 +129,8 @@ static struct phy_driver gmii2rgmii_driver = {
        .probe = xilinxgmiitorgmii_probe,
        .config = xilinxgmiitorgmii_config,
        .startup = xilinxgmiitorgmii_startup,
+       .writeext = xilinxgmiitorgmii_extwrite,
+       .readext = xilinxgmiitorgmii_extread,
 };
 
 int phy_xilinx_gmii2rgmii_init(void)