+static int marvell_set_polarity(struct phy_device *phydev, int polarity)
+{
+ int reg;
+ int err;
+ int val;
+
+ /* get the current settings */
+ reg = phy_read(phydev, MII_M1011_PHY_SCR);
+ if (reg < 0)
+ return reg;
+
+ val = reg;
+ val &= ~MII_M1011_PHY_SCR_AUTO_CROSS;
+ switch (polarity) {
+ case ETH_TP_MDI:
+ val |= MII_M1011_PHY_SCR_MDI;
+ break;
+ case ETH_TP_MDI_X:
+ val |= MII_M1011_PHY_SCR_MDI_X;
+ break;
+ case ETH_TP_MDI_AUTO:
+ case ETH_TP_MDI_INVALID:
+ default:
+ val |= MII_M1011_PHY_SCR_AUTO_CROSS;
+ break;
+ }
+
+ if (val != reg) {
+ /* Set the new polarity value in the register */
+ err = phy_write(phydev, MII_M1011_PHY_SCR, val);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+