bnx2x: Fix link issue with DAC over 578xx

Fix no-link issue on BCM578xx when direct attached cable is connected since Warpcore microcode restart was missing to re-read the new mode.

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

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c
index d8f6eff2d6b4..6a3fdf8ace8d 100644
--- a/drivers/net/bnx2x/bnx2x_link.c
+++ b/drivers/net/bnx2x/bnx2x_link.c
@@ -8029,6 +8029,9 @@ static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
         bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
                         MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE, &val);
 
+        /* Restart microcode to re-read the new mode */
+        bnx2x_warpcore_reset_lane(bp, phy, 1);
+        bnx2x_warpcore_reset_lane(bp, phy, 0);
 
 }