bnx2x: Fix BCM54618se invalid link indication

After resetting BCM54618se, link partner would still see link since the PHY wasn't put into low-power state.

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>
(cherry picked from commit d2059a061164120a1e44a0ca46fe08044d6d7c2d)

Signed-off-by: Joe Jin <joe.jin@oracle.com>

diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c
index cf8b8d13ab6cee6241b1f1fc2a755fe6414e6b56..5e6f3513862cf78e9c2f96f66b7b66d98ed5623f 100644 (file)
--- a/drivers/net/bnx2x/bnx2x_link.c
+++ b/drivers/net/bnx2x/bnx2x_link.c
@@ -10219,8 +10219,15 @@ static void bnx2x_54618se_link_reset(struct bnx2x_phy *phy,
        u32 cfg_pin;
        u8 port;
 
-       /* This works with E3 only, no need to check the chip
-          before determining the port. */
+       /*
+        * In case of no EPIO routed to reset the GPHY, put it
+        * in low power mode.
+        */
+       bnx2x_cl22_write(bp, phy, MDIO_PMA_REG_CTRL, 0x800);
+       /*
+        * This works with E3 only, no need to check the chip
+        * before determining the port.
+        */
        port = params->port;
        cfg_pin = (REG_RD(bp, params->shmem_base +
                        offsetof(struct shmem_region,