bnx2x: Change Warpcore MDIO work around mode

This patch enables the usage of simpler MDC/MDIO work-around when accessing Warpcore registers.

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, 1 deletions

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index 6523723b9d1e..4ffc75dfa10a 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -11308,7 +11308,9 @@ static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
                                        offsetof(struct shmem_region,
                         dev_info.port_feature_config[port].link_config)) &
                           PORT_FEATURE_CONNECTED_SWITCH_MASK);
-        chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
+        chip_id = (REG_RD(bp, MISC_REG_CHIP_NUM) << 16) |
+                ((REG_RD(bp, MISC_REG_CHIP_REV) & 0xf) << 12);
+
         DP(NETIF_MSG_LINK, ":chip_id = 0x%x\n", chip_id);
         if (USES_WARPCORE(bp)) {
                 u32 serdes_net_if;