ixgbe: refactor common start_hw code for 82599 and x540

Factored out the common start_hw code into a new function
ixgbe_start_hw_gen2() so that it can be used by x540 and 82599.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Acked-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Evan Swanson <evan.swanson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/drivers/net/ixgbe/ixgbe_common.c b/drivers/net/ixgbe/ixgbe_common.c
index bcd952916eb2..c66fd957578c 100644
--- a/drivers/net/ixgbe/ixgbe_common.c
+++ b/drivers/net/ixgbe/ixgbe_common.c
@@ -96,6 +96,30 @@ s32 ixgbe_start_hw_generic(struct ixgbe_hw *hw)
 }
 
 /**
+ *  ixgbe_start_hw_gen2 - Init sequence for common device family
+ *  @hw: pointer to hw structure
+ *
+ * Performs the init sequence common to the second generation
+ * of 10 GbE devices.
+ * Devices in the second generation:
+ *     82599
+ *     X540
+ **/
+s32 ixgbe_start_hw_gen2(struct ixgbe_hw *hw)
+{
+        u32 i;
+
+        /* Clear the rate limiters */
+        for (i = 0; i < hw->mac.max_tx_queues; i++) {
+                IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, i);
+                IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, 0);
+        }
+        IXGBE_WRITE_FLUSH(hw);
+
+        return 0;
+}
+
+/**
  *  ixgbe_init_hw_generic - Generic hardware initialization
  *  @hw: pointer to hardware structure
  *