switch (plat_dat->mac_interface) {
        case PHY_INTERFACE_MODE_MII:
                val = SYSCFG_PMCR_ETH_SEL_MII;
-               pr_debug("SYSCFG init : PHY_INTERFACE_MODE_MII\n");
                break;
        case PHY_INTERFACE_MODE_GMII:
                val = SYSCFG_PMCR_ETH_SEL_GMII;
                if (dwmac->enable_eth_ck)
                        val |= SYSCFG_PMCR_ETH_CLK_SEL;
-               pr_debug("SYSCFG init : PHY_INTERFACE_MODE_GMII\n");
                break;
        case PHY_INTERFACE_MODE_RMII:
                val = SYSCFG_PMCR_ETH_SEL_RMII;
                if (dwmac->enable_eth_ck)
                        val |= SYSCFG_PMCR_ETH_REF_CLK_SEL;
-               pr_debug("SYSCFG init : PHY_INTERFACE_MODE_RMII\n");
                break;
        case PHY_INTERFACE_MODE_RGMII:
        case PHY_INTERFACE_MODE_RGMII_ID:
                val = SYSCFG_PMCR_ETH_SEL_RGMII;
                if (dwmac->enable_eth_ck)
                        val |= SYSCFG_PMCR_ETH_CLK_SEL;
-               pr_debug("SYSCFG init : PHY_INTERFACE_MODE_RGMII\n");
                break;
        default:
-               pr_debug("SYSCFG init :  Do not manage %d interface\n",
-                        plat_dat->mac_interface);
+               dev_err(dwmac->dev, "Mode %s not supported",
+                       phy_modes(plat_dat->mac_interface));
                /* Do not manage others interfaces */
                return -EINVAL;
        }
 
+       dev_dbg(dwmac->dev, "Mode %s", phy_modes(plat_dat->mac_interface));
+
        /* Need to update PMCCLRR (clear register) */
        regmap_write(dwmac->regmap, reg + SYSCFG_PMCCLRR_OFFSET,
                     dwmac->ops->syscfg_eth_mask);
        switch (plat_dat->mac_interface) {
        case PHY_INTERFACE_MODE_MII:
                val = SYSCFG_MCU_ETH_SEL_MII;
-               pr_debug("SYSCFG init : PHY_INTERFACE_MODE_MII\n");
                break;
        case PHY_INTERFACE_MODE_RMII:
                val = SYSCFG_MCU_ETH_SEL_RMII;
-               pr_debug("SYSCFG init : PHY_INTERFACE_MODE_RMII\n");
                break;
        default:
-               pr_debug("SYSCFG init :  Do not manage %d interface\n",
-                        plat_dat->mac_interface);
+               dev_err(dwmac->dev, "Mode %s not supported",
+                       phy_modes(plat_dat->mac_interface));
                /* Do not manage others interfaces */
                return -EINVAL;
        }
 
+       dev_dbg(dwmac->dev, "Mode %s", phy_modes(plat_dat->mac_interface));
+
        return regmap_update_bits(dwmac->regmap, reg,
                                 dwmac->ops->syscfg_eth_mask, val << 23);
 }