ixgbe: correct CS4223/7 PHY identification
Previous method was unreliable. Use a different register to
differentiate between the SKUs.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
index 5aa2c3c..b0cac96 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
@@ -84,8 +84,9 @@
#define IXGBE_CS4227_GLOBAL_ID_LSB 0
#define IXGBE_CS4227_GLOBAL_ID_MSB 1
#define IXGBE_CS4227_SCRATCH 2
-#define IXGBE_CS4223_PHY_ID 0x7003 /* Quad port */
-#define IXGBE_CS4227_PHY_ID 0x3003 /* Dual port */
+#define IXGBE_CS4227_EFUSE_PDF_SKU 0x19F
+#define IXGBE_CS4223_SKU_ID 0x0010 /* Quad port */
+#define IXGBE_CS4227_SKU_ID 0x0014 /* Dual port */
#define IXGBE_CS4227_RESET_PENDING 0x1357
#define IXGBE_CS4227_RESET_COMPLETE 0x5AA5
#define IXGBE_CS4227_RETRIES 15
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index 50aaa2b..32b35ef 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -1807,16 +1807,16 @@ ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw, ixgbe_link_speed speed,
if (hw->phy.mdio.prtad == MDIO_PRTAD_NONE)
return IXGBE_ERR_PHY_ADDR_INVALID;
- /* Get external PHY device id */
- ret_val = hw->phy.ops.read_reg(hw, IXGBE_CS4227_GLOBAL_ID_MSB,
- IXGBE_MDIO_ZERO_DEV_TYPE, ®_phy_ext);
+ /* Get external PHY SKU id */
+ ret_val = hw->phy.ops.read_reg(hw, IXGBE_CS4227_EFUSE_PDF_SKU,
+ IXGBE_MDIO_ZERO_DEV_TYPE, ®_phy_ext);
if (ret_val)
return ret_val;
/* When configuring quad port CS4223, the MAC instance is part
* of the slice offset.
*/
- if (reg_phy_ext == IXGBE_CS4223_PHY_ID)
+ if (reg_phy_ext == IXGBE_CS4223_SKU_ID)
slice_offset = (hw->bus.lan_id +
(hw->bus.instance_id << 1)) << 12;
else