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>
                                       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;