netdev - [net-next 07/18] ixgbe: Add reset for X550 device

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Date:	Tue,  9 Jun 2015 18:10:18 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	Don Skidmore <donald.c.skidmore@...el.com>, netdev@...r.kernel.org,
	nhorman@...hat.com, sassmann@...hat.com, jogreene@...hat.com,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 07/18] ixgbe: Add reset for X550 device

From: Don Skidmore <donald.c.skidmore@...el.com>

This patch adds a PHY reset function ixgbe_reset_phy_t_X550em. Which
allows devices that have LASI support in enable their interrupt.

Signed-off-by: Don Skidmore <donald.c.skidmore@...el.com>
Tested-by: Krishneil Singh <krishneil.k.singh@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index 3ca0777..a48134e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -1385,6 +1385,22 @@ static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw)
 	return ixgbe_setup_ixfi_x550em(hw, &force_speed);
 }
 
+/** ixgbe_reset_phy_t_X550em - Performs X557 PHY reset and enables LASI
+ *  @hw: pointer to hardware structure
+ **/
+static s32 ixgbe_reset_phy_t_X550em(struct ixgbe_hw *hw)
+{
+	s32 status;
+
+	status = ixgbe_reset_phy_generic(hw);
+
+	if (status)
+		return status;
+
+	/* Configure Link Status Alarm and Temperature Threshold interrupts */
+	return ixgbe_enable_lasi_ext_t_x550em(hw);
+}
+
 /** ixgbe_init_phy_ops_X550em - PHY/SFP specific init
  *  @hw: pointer to hardware structure
  *
@@ -1454,6 +1470,7 @@ static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
 		}
 
 		phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em;
+		phy->ops.reset = ixgbe_reset_phy_t_X550em;
 		break;
 	default:
 		break;
-- 
2.4.2

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