igb: update the approach taken to acquiring and releasing the phy lock

The current approach is just using a ?: type mechanism to set the phy
locking bit.  This if fine for now but limits us to only 2.  Switch to a
nested if statement for future compatiblity with more than 2 phys.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index 5604b3e08f35..65b900028bca 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -240,9 +240,10 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
  **/
 static s32 igb_acquire_phy_82575(struct e1000_hw *hw)
 {
-        u16 mask;
+        u16 mask = E1000_SWFW_PHY0_SM;
 
-        mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM;
+        if (hw->bus.func == E1000_FUNC_1)
+                mask = E1000_SWFW_PHY1_SM;
 
         return igb_acquire_swfw_sync_82575(hw, mask);
 }
@@ -256,9 +257,11 @@ static s32 igb_acquire_phy_82575(struct e1000_hw *hw)
  **/
 static void igb_release_phy_82575(struct e1000_hw *hw)
 {
-        u16 mask;
+        u16 mask = E1000_SWFW_PHY0_SM;
+
+        if (hw->bus.func == E1000_FUNC_1)
+                mask = E1000_SWFW_PHY1_SM;
 
-        mask = hw->bus.func ? E1000_SWFW_PHY1_SM : E1000_SWFW_PHY0_SM;
         igb_release_swfw_sync_82575(hw, mask);
 }