From: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Date: Sat, 16 Mar 2019 12:21:24 +0000 (+0530)
Subject: net: phy: xilinx_gmii2rgmii: Define readext and writeext routines
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bf09e558d11a6dbdf095fd6b54d5660960ef9269;p=thirdparty%2Fu-boot.git

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 19d8d4d8207..681ebe3a7fd 100644
--- 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)