bnx2x: PHY lock list

Some dual port PHY require HW lock since they are used by both interfaces
(different driver instances). Since this list is getting longer, update a
parameter at load time instead of calculating it on runtime

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 12 insertions, 11 deletions

diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index d66be72d832..12d2d0bd9a4 100644
--- a/drivers/net/bnx2x.h
+++ b/drivers/net/bnx2x.h
@@ -570,6 +570,7 @@ struct bnx2x_port {
 
         /* used to synchronize phy accesses */
         struct mutex            phy_mutex;
+        int                     need_hw_lock;
 
         u32                     port_stx;
 
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 5acbd98778b..2ee480b4b77 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -1816,22 +1816,16 @@ static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
 /* HW Lock for shared dual port PHYs */
 static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
 {
-        u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
-
         mutex_lock(&bp->port.phy_mutex);
 
-        if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
-            (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
-                bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
+        if (bp->port.need_hw_lock)
+                bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_MDIO);
 }
 
 static void bnx2x_release_phy_lock(struct bnx2x *bp)
 {
-        u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
-
-        if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
-            (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
-                bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
+        if (bp->port.need_hw_lock)
+                bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_MDIO);
 
         mutex_unlock(&bp->port.phy_mutex);
 }
@@ -5705,6 +5699,12 @@ static int bnx2x_init_common(struct bnx2x *bp)
         }
 
         switch (XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config)) {
+        case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
+        case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
+        case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
+                bp->port.need_hw_lock = 1;
+                break;
+
         case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
                 /* Fan failure is indicated by SPIO 5 */
                 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h
index 520bf695864..5cfeac96ea6 100644
--- a/drivers/net/bnx2x_reg.h
+++ b/drivers/net/bnx2x_reg.h
@@ -5228,8 +5228,8 @@
 #define MISC_REGISTERS_SPIO_OUTPUT_LOW                           0
 #define MISC_REGISTERS_SPIO_SET_POS                              8
 #define HW_LOCK_MAX_RESOURCE_VALUE                               31
-#define HW_LOCK_RESOURCE_8072_MDIO                               0
 #define HW_LOCK_RESOURCE_GPIO                                    1
+#define HW_LOCK_RESOURCE_MDIO                                    0
 #define HW_LOCK_RESOURCE_PORT0_ATT_MASK                          3
 #define HW_LOCK_RESOURCE_SPIO                                    2
 #define HW_LOCK_RESOURCE_UNDI                                    5