+--- a/drivers/net/phy/ar8216.c
++++ b/drivers/net/phy/ar8216.c
+@@ -563,10 +563,227 @@ ar8216_config_aneg(struct phy_device *ph
+ return 0;
+ }
+
++#define ar8216_dbg(fmt, args...) printk(KERN_DEBUG "ar8216: " fmt, ## args)
++
++static inline const char *ctrl_state_str(u32 ctrl)
++{
++ switch (ctrl & AR8216_PORT_CTRL_STATE) {
++ case AR8216_PORT_STATE_DISABLED:
++ return "disabled";
++ case AR8216_PORT_STATE_BLOCK:
++ return "block";
++ case AR8216_PORT_STATE_LISTEN:
++ return "listen";
++ case AR8216_PORT_STATE_LEARN:
++ return "learn";
++ case AR8216_PORT_STATE_FORWARD:
++ return "forward";
++ default:
++ break;
++ }
++
++ return "????";
++}
++
++static inline const char *ctrl_vlanmode_str(u32 ctrl)
++{
++ u32 vlan_mode;
++
++ vlan_mode = (ctrl & AR8216_PORT_CTRL_VLAN_MODE) >>
++ AR8216_PORT_CTRL_VLAN_MODE_S;
++ switch (vlan_mode) {
++ case AR8216_OUT_KEEP:
++ return "keep";
++ case AR8216_OUT_STRIP_VLAN:
++ return "strip vlan";
++ case AR8216_OUT_ADD_VLAN:
++ return "add_vlan";
++ default:
++ break;
++ }
++
++ return "????";
++}
++
++static inline const char *vlan_vlanmode_str(u32 vlan)
++{
++ u32 vlan_mode;
++
++ vlan_mode = (vlan & AR8216_PORT_VLAN_MODE) >>
++ AR8216_PORT_VLAN_MODE_S;
++ switch (vlan_mode) {
++ case AR8216_IN_PORT_ONLY:
++ return "port only";
++ case AR8216_IN_PORT_FALLBACK:
++ return "port fallback";
++ case AR8216_IN_VLAN_ONLY:
++ return "VLAN only";
++ case AR8216_IN_SECURE:
++ return "secure";
++ default:
++ break;
++ }
++
++ return "????";
++}
++
++static void
++ar8216_dump_regs(struct ar8216_priv *ap)
++{
++ unsigned int i;
++ u32 t;
++
++ t = ar8216_mii_read(ap, AR8216_REG_CTRL);
++ ar8216_dbg("CTRL\t\t: %08x\n", t);
++ ar8216_dbg(" version\t: %u\n", (t & 0xff00) >> 8);
++ ar8216_dbg(" revision\t: %u\n", (t & 0xff));
++
++ ar8216_dbg("POWER_ON\t: %08x\n",
++ ar8216_mii_read(ap, 0x04));
++ ar8216_dbg("INT\t\t: %08x\n",
++ ar8216_mii_read(ap, 0x10));
++ ar8216_dbg("INT_MASK\t: %08x\n",
++ ar8216_mii_read(ap, 0x14));
++ ar8216_dbg("MAC_ADDR0\t: %08x\n",
++ ar8216_mii_read(ap, 0x20));
++ ar8216_dbg("MAC_ADDR1\t: %08x\n",
++ ar8216_mii_read(ap, 0x24));
++ ar8216_dbg("FLOOD_MASK\t: %08x\n",
++ ar8216_mii_read(ap, 0x2c));
++
++ t = ar8216_mii_read(ap, AR8216_REG_GLOBAL_CTRL);
++ ar8216_dbg("GLOBAL_CTRL\t: %08x\n", t);
++ ar8216_dbg(" mtu\t\t: %lu\n", t & AR8216_GCTRL_MTU);
++
++ ar8216_dbg("FLOW_CONTROL0\t: %08x\n",
++ ar8216_mii_read(ap, 0x34));
++ ar8216_dbg("FLOW_CONTROL1\t: %08x\n",
++ ar8216_mii_read(ap, 0x38));
++ ar8216_dbg("QM_CONTROL\t: %08x\n",
++ ar8216_mii_read(ap, 0x3c));
++ ar8216_dbg("VLAN_TABLE0\t: %08x\n",
++ ar8216_mii_read(ap, AR8216_REG_VTU));
++ ar8216_dbg("VLAN_TABLE1\t: %08x\n",
++ ar8216_mii_read(ap, AR8216_REG_VTU_DATA));
++ ar8216_dbg("ADDR_TABLE0\t: %08x\n",
++ ar8216_mii_read(ap, AR8216_REG_ATU));
++ ar8216_dbg("ADDR_TABLE1\t: %08x\n",
++ ar8216_mii_read(ap, AR8216_REG_ATU_DATA));
++ ar8216_dbg("ADDR_TABLE2\t: %08x\n",
++ ar8216_mii_read(ap, 0x58));
++ ar8216_dbg("ADDR_CTRL\t: %08x\n",
++ ar8216_mii_read(ap, 0x5c));
++ ar8216_dbg("IP_PRIO0\t: %08x\n",
++ ar8216_mii_read(ap, 0x60));
++ ar8216_dbg("IP_PRIO1\t: %08x\n",
++ ar8216_mii_read(ap, 0x64));
++ ar8216_dbg("IP_PRIO2\t: %08x\n",
++ ar8216_mii_read(ap, 0x68));
++ ar8216_dbg("IP_PRIO3\t: %08x\n",
++ ar8216_mii_read(ap, 0x6c));
++ ar8216_dbg("TAG_PRIO\t: %08x\n",
++ ar8216_mii_read(ap, 0x70));
++ ar8216_dbg("SERVICE_TAG\t: %08x\n",
++ ar8216_mii_read(ap, 0x74));
++ ar8216_dbg("CPU_PORT\t: %08x\n",
++ ar8216_mii_read(ap, 0x78));
++ ar8216_dbg("MIB_FUNC\t: %08x\n",
++ ar8216_mii_read(ap, 0x80));
++ ar8216_dbg("MDIO\t\t: %08x\n",
++ ar8216_mii_read(ap, 0x98));
++ ar8216_dbg("LED0\t\t: %08x\n",
++ ar8216_mii_read(ap, 0xb0));
++ ar8216_dbg("LED1\t\t: %08x\n",
++ ar8216_mii_read(ap, 0xb4));
++ ar8216_dbg("LED2\t\t: %08x\n",
++ ar8216_mii_read(ap, 0xb8));
++
++ for (i = 0; i < 6; i++) {
++ u32 reg = 0x100 * (i + 1);
++
++ t = ar8216_mii_read(ap, AR8216_REG_PORT_STATUS(i));
++ ar8216_dbg("PORT%d_STATUS\t: %08x\n", i, t);
++ ar8216_dbg(" speed\t\t: %s\n",
++ (t & AR8216_PORT_STATUS_SPEED) ? "100" : "10");
++ ar8216_dbg(" speed error\t: %s\n",
++ (t & AR8216_PORT_STATUS_SPEED_ERR) ? "yes" : "no");
++ ar8216_dbg(" txmac\t\t: %d\n",
++ (t & AR8216_PORT_STATUS_TXMAC) ? 1 : 0);
++ ar8216_dbg(" rxmac\t\t: %d\n",
++ (t & AR8216_PORT_STATUS_RXMAC) ? 1 : 0);
++ ar8216_dbg(" tx_flow\t: %s\n",
++ (t & AR8216_PORT_STATUS_TXFLOW) ? "on" : "off");
++ ar8216_dbg(" rx_flow\t: %s\n",
++ (t & AR8216_PORT_STATUS_RXFLOW) ? "on" : "off");
++ ar8216_dbg(" duplex\t: %s\n",
++ (t & AR8216_PORT_STATUS_DUPLEX) ? "full" : "half");
++ ar8216_dbg(" link\t\t: %s\n",
++ (t & AR8216_PORT_STATUS_LINK_UP) ? "up" : "down");
++ ar8216_dbg(" auto\t\t: %s\n",
++ (t & AR8216_PORT_STATUS_LINK_AUTO) ? "on" : "off");
++ ar8216_dbg(" pause\t\t: %s\n",
++ (t & AR8216_PORT_STATUS_LINK_PAUSE) ? "on" : "off");
++
++ t = ar8216_mii_read(ap, AR8216_REG_PORT_CTRL(i));
++ ar8216_dbg("PORT%d_CTRL\t: %08x\n", i, t);
++ ar8216_dbg(" state\t\t: %s\n", ctrl_state_str(t));
++ ar8216_dbg(" learn lock\t: %s\n",
++ (t & AR8216_PORT_CTRL_LEARN_LOCK) ? "on" : "off");
++ ar8216_dbg(" vlan_mode\t: %s\n", ctrl_vlanmode_str(t));
++ ar8216_dbg(" igmp_snoop\t: %s\n",
++ (t & AR8216_PORT_CTRL_IGMP_SNOOP) ? "on" : "off");
++ ar8216_dbg(" header\t: %s\n",
++ (t & AR8216_PORT_CTRL_HEADER) ? "on" : "off");
++ ar8216_dbg(" mac_loop\t: %s\n",
++ (t & AR8216_PORT_CTRL_MAC_LOOP) ? "on" : "off");
++ ar8216_dbg(" single_vlan\t: %s\n",
++ (t & AR8216_PORT_CTRL_SINGLE_VLAN) ? "on" : "off");
++ ar8216_dbg(" mirror tx\t: %s\n",
++ (t & AR8216_PORT_CTRL_MIRROR_TX) ? "on" : "off");
++ ar8216_dbg(" mirror rx\t: %s\n",
++ (t & AR8216_PORT_CTRL_MIRROR_RX) ? "on" : "off");
++
++ t = ar8216_mii_read(ap, AR8216_REG_PORT_VLAN(i));
++ ar8216_dbg("PORT%d_VLAN\t: %08x\n", i, t);
++ ar8216_dbg(" default id\t: %lu\n",
++ (t & AR8216_PORT_VLAN_DEFAULT_ID));
++ ar8216_dbg(" dest ports\t: %s%s%s%s%s%s\n",
++ (t & 0x010000) ? "0 " : "",
++ (t & 0x020000) ? "1 " : "",
++ (t & 0x040000) ? "2 " : "",
++ (t & 0x080000) ? "3 " : "",
++ (t & 0x100000) ? "4 " : "",
++ (t & 0x200000) ? "5 " : "");
++ ar8216_dbg(" tx priority\t: %s\n",
++ (t & AR8216_PORT_VLAN_TX_PRIO) ? "on" : "off");
++ ar8216_dbg(" port priority\t: %lu\n",
++ (t & AR8216_PORT_VLAN_PRIORITY) >>
++ AR8216_PORT_VLAN_PRIORITY_S);
++ ar8216_dbg(" ingress mode\t: %s\n", vlan_vlanmode_str(t));
++
++ t = ar8216_mii_read(ap, AR8216_REG_PORT_RATE(i));
++ ar8216_dbg("PORT%d_RATE0\t: %08x\n", i, t);
++
++ ar8216_dbg("PORT%d_PRIO\t: %08x\n", i,
++ ar8216_mii_read(ap, AR8216_REG_PORT_PRIO(i)));
++ ar8216_dbg("PORT%d_STORM\t: %08x\n", i,
++ ar8216_mii_read(ap, reg + 0x14));
++ ar8216_dbg("PORT%d_QUEUE\t: %08x\n", i,
++ ar8216_mii_read(ap, reg + 0x18));
++ ar8216_dbg("PORT%d_RATE1\t: %08x\n", i,
++ ar8216_mii_read(ap, reg + 0x1c));
++ ar8216_dbg("PORT%d_RATE2\t: %08x\n", i,
++ ar8216_mii_read(ap, reg + 0x20));
++ ar8216_dbg("PORT%d_RATE3\t: %08x\n", i,
++ ar8216_mii_read(ap, reg + 0x24));
++ }
++}
++
+ static int
+ ar8216_probe(struct phy_device *pdev)
+ {
+ struct ar8216_priv priv;
++ static int regs_dumped;
+
+ u8 id, rev;
+ u32 val;
+@@ -575,9 +792,14 @@ ar8216_probe(struct phy_device *pdev)
+ val = ar8216_mii_read(&priv, AR8216_REG_CTRL);
+ rev = val & 0xff;
+ id = (val >> 8) & 0xff;
+- if ((id != 1) || (rev != 1))
++ if ((id != 1) || (rev != 1 && rev != 2))
+ return -ENODEV;
+
++ if (!regs_dumped) {
++ ar8216_dump_regs(&priv);
++ regs_dumped++;
++ }
++
+ return 0;
+ }
+
+--- a/drivers/net/phy/ar8216.h
++++ b/drivers/net/phy/ar8216.h
+@@ -27,7 +27,7 @@
+ #define AR8216_CTRL_RESET BIT(31)
+
+ #define AR8216_REG_GLOBAL_CTRL 0x0030
+-#define AR8216_GCTRL_MTU BITS(0, 10)
++#define AR8216_GCTRL_MTU BITS(0, 12)
+
+ #define AR8216_REG_VTU 0x0040
+ #define AR8216_VTU_OP BITS(0, 3)