From 46c6a67495b3ec76204db800fc8d60a260f91cfe Mon Sep 17 00:00:00 2001
From: Eilon Greenstein <eilong@broadcom.com>
Date: Thu, 12 Feb 2009 08:36:58 +0000
Subject: [PATCH] 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>
---
drivers/net/bnx2x.h | 1 +
drivers/net/bnx2x_main.c | 20 ++++++++++----------
drivers/net/bnx2x_reg.h | 2 +-
3 files changed, 12 insertions(+), 11 deletions(-)
diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h
index d66be72d8321..12d2d0bd9a42 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 5acbd98778b8..2ee480b4b77c 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 520bf695864e..5cfeac96ea69 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
--
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