OSDN Git Service

bnx2x: Fix link down in 57712 following LFA
authorYaniv Rosner <yanivr@broadcom.com>
Wed, 31 Oct 2012 05:46:53 +0000 (05:46 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 1 Nov 2012 15:31:52 +0000 (11:31 -0400)
In case of link flap avoidance between PXE boot and bnx2x, set the appropriate
PHY DEVAD even if LFA kicks in.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c

index 290e12a..f2436ea 100644 (file)
@@ -3295,6 +3295,21 @@ static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
               DEFAULT_PHY_DEV_ADDR);
 }
 
+static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy,
+                                    struct link_params *params,
+                                    u32 action)
+{
+       struct bnx2x *bp = params->bp;
+       switch (action) {
+       case PHY_INIT:
+               /* Set correct devad */
+               REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0);
+               REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
+                      phy->def_md_devad);
+               break;
+       }
+}
+
 static void bnx2x_xgxs_deassert(struct link_params *params)
 {
        struct bnx2x *bp = params->bp;
@@ -3309,10 +3324,8 @@ static void bnx2x_xgxs_deassert(struct link_params *params)
        REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
        udelay(500);
        REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
-
-       REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0);
-       REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
-              params->phy[INT_PHY].def_md_devad);
+       bnx2x_xgxs_specific_func(&params->phy[INT_PHY], params,
+                                PHY_INIT);
 }
 
 static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
@@ -10999,7 +11012,7 @@ static struct bnx2x_phy phy_xgxs = {
        .format_fw_ver  = (format_fw_ver_t)NULL,
        .hw_reset       = (hw_reset_t)NULL,
        .set_link_led   = (set_link_led_t)NULL,
-       .phy_specific_func = (phy_specific_func_t)NULL
+       .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func
 };
 static struct bnx2x_phy phy_warpcore = {
        .type           = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,