amd-xgbe-phy: Use the proper auto-negotiation XNP registers

When receiving and processing extended next pages the base registers
were used instead of the XNP registers. Update the code to use the
device XNP and link partner XNP registers.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/phy/amd-xgbe-phy.c b/drivers/net/phy/amd-xgbe-phy.c
index 7207f36..e2074c7 100644 (file)
--- a/drivers/net/phy/amd-xgbe-phy.c
+++ b/drivers/net/phy/amd-xgbe-phy.c
@@ -122,6 +122,10 @@ MODULE_DESCRIPTION("AMD 10GbE (amd-xgbe) PHY driver");
 #define MDIO_AN_XNP                    0x0016
 #endif
 
+#ifndef MDIO_AN_LPX
+#define MDIO_AN_LPX                    0x0019
+#endif
+
 #ifndef MDIO_AN_INTMASK
 #define MDIO_AN_INTMASK                        0x8001
 #endif
@@ -779,11 +783,11 @@ static enum amd_xgbe_phy_an amd_xgbe_an_rx_xnp(struct phy_device *phydev,
        int ad_reg, lp_reg;
 
        /* Check Extended Next Page support */
-       ad_reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE);
+       ad_reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_XNP);
        if (ad_reg < 0)
                return AMD_XGBE_AN_ERROR;
 
-       lp_reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_LPA);
+       lp_reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_LPX);
        if (lp_reg < 0)
                return AMD_XGBE_AN_ERROR;