net/ixgbe/base: add debug traces

[dpdk.git] / drivers / net / ixgbe / base / ixgbe_phy.c

diff --git a/drivers/net/ixgbe/base/ixgbe_phy.c b/drivers/net/ixgbe/base/ixgbe_phy.c
index e0d7125..c953805 100644 (file)
--- a/drivers/net/ixgbe/base/ixgbe_phy.c
+++ b/drivers/net/ixgbe/base/ixgbe_phy.c
@@ -291,8 +291,11 @@ static bool ixgbe_probe_phy(struct ixgbe_hw *hw, u16 phy_addr)
 {
        u16 ext_ability = 0;
 
-       if (!ixgbe_validate_phy_addr(hw, phy_addr))
+       if (!ixgbe_validate_phy_addr(hw, phy_addr)) {
+               DEBUGOUT1("Unable to validate PHY address 0x%04X\n",
+                       phy_addr);
                return false;
+       }
 
        if (ixgbe_get_phy_id(hw))
                return false;
@@ -411,6 +414,8 @@ bool ixgbe_validate_phy_addr(struct ixgbe_hw *hw, u32 phy_addr)
        if (phy_id != 0xFFFF && phy_id != 0x0)
                valid = true;
 
+       DEBUGOUT1("PHY ID HIGH is 0x%04X\n", phy_id);
+
        return valid;
 }
 
@@ -439,6 +444,9 @@ s32 ixgbe_get_phy_id(struct ixgbe_hw *hw)
                hw->phy.id |= (u32)(phy_id_low & IXGBE_PHY_REVISION_MASK);
                hw->phy.revision = (u32)(phy_id_low & ~IXGBE_PHY_REVISION_MASK);
        }
+       DEBUGOUT2("PHY_ID_HIGH 0x%04X, PHY_ID_LOW 0x%04X\n",
+                 phy_id_high, phy_id_low);
+
        return status;
 }
 
@@ -570,7 +578,7 @@ out:
  *  @phy_data: Pointer to read data from PHY register
  **/
 s32 ixgbe_read_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type,
-                      u16 *phy_data)
+                          u16 *phy_data)
 {
        u32 i, data, command;
 
@@ -592,12 +600,13 @@ s32 ixgbe_read_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type,
 
                command = IXGBE_READ_REG(hw, IXGBE_MSCA);
                if ((command & IXGBE_MSCA_MDI_COMMAND) == 0)
-                               break;
+                       break;
        }
 
 
        if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) {
                ERROR_REPORT1(IXGBE_ERROR_POLLING, "PHY address command did not complete.\n");
+               DEBUGOUT("PHY address command did not complete, returning IXGBE_ERR_PHY\n");
                return IXGBE_ERR_PHY;
        }
 
@@ -627,6 +636,7 @@ s32 ixgbe_read_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type,
 
        if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) {
                ERROR_REPORT1(IXGBE_ERROR_POLLING, "PHY read command didn't complete\n");
+               DEBUGOUT("PHY read command didn't complete, returning IXGBE_ERR_PHY\n");
                return IXGBE_ERR_PHY;
        }