ixgbe: clear RNBC only for 82598

RNBC (0x03FC0) is only for 82598 and has different meaning
on newer HW. Make sure to only clear it for 82598.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 90a04e2471df..91986afe969d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -225,8 +225,9 @@ s32 ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw)
         IXGBE_READ_REG(hw, IXGBE_GORCH);
         IXGBE_READ_REG(hw, IXGBE_GOTCL);
         IXGBE_READ_REG(hw, IXGBE_GOTCH);
-        for (i = 0; i < 8; i++)
-                IXGBE_READ_REG(hw, IXGBE_RNBC(i));
+        if (hw->mac.type == ixgbe_mac_82598EB)
+                for (i = 0; i < 8; i++)
+                        IXGBE_READ_REG(hw, IXGBE_RNBC(i));
         IXGBE_READ_REG(hw, IXGBE_RUC);
         IXGBE_READ_REG(hw, IXGBE_RFC);
         IXGBE_READ_REG(hw, IXGBE_ROC);