bnx2x: Do not enable CL37 BAM unless it is explicitly enabled
Enabling CL37 BAM on BCM8073 by default may lead to link issues since
not all switches support it. So enable CL37 BAM only if explicitly
selected.
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>
diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c
index 488e251..d076b91 100644
--- a/drivers/net/bnx2x/bnx2x_link.c
+++ b/drivers/net/bnx2x/bnx2x_link.c
@@ -3525,13 +3525,19 @@
DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
/* Enable CL37 BAM */
- bnx2x_cl45_read(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8073_BAM, &val);
- bnx2x_cl45_write(bp, phy,
- MDIO_AN_DEVAD,
- MDIO_AN_REG_8073_BAM, val | 1);
+ if (REG_RD(bp, params->shmem_base +
+ offsetof(struct shmem_region, dev_info.
+ port_hw_config[params->port].default_cfg)) &
+ PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
+ bnx2x_cl45_read(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8073_BAM, &val);
+ bnx2x_cl45_write(bp, phy,
+ MDIO_AN_DEVAD,
+ MDIO_AN_REG_8073_BAM, val | 1);
+ DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
+ }
if (params->loopback_mode == LOOPBACK_EXT) {
bnx2x_807x_force_10G(bp, phy);
DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");