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>

1 files changed, 9 insertions, 2 deletions

diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c
index cf8b8d13ab6c..5e6f3513862c 100644
--- 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,