diff options
| author | Florian Fainelli <f.fainelli@gmail.com> | 2020-02-24 15:56:32 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-02-26 16:38:23 -0800 |
| commit | 98c5f7d44fef309e692c24c6d71131ee0f0871fb (patch) | |
| tree | 46565463a1391ba4eb79f266fa4e5cc8c6b3568b | |
| parent | 574b238f64594cc0d87aad3f716ebab49fb663fa (diff) | |
| download | linux-98c5f7d44fef309e692c24c6d71131ee0f0871fb.tar.bz2 | |
net: dsa: bcm_sf2: Forcibly configure IMP port for 1Gb/sec
We are still experiencing some packet loss with the existing advanced
congestion buffering (ACB) settings with the IMP port configured for
2Gb/sec, so revert to conservative link speeds that do not produce
packet loss until this is resolved.
Fixes: 8f1880cbe8d0 ("net: dsa: bcm_sf2: Configure IMP port for 2Gb/sec")
Fixes: de34d7084edd ("net: dsa: bcm_sf2: Only 7278 supports 2Gb/sec IMP port")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/dsa/bcm_sf2.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index d1955543acd1..b0f5280a83cb 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -69,8 +69,7 @@ static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port) /* Force link status for IMP port */ reg = core_readl(priv, offset); reg |= (MII_SW_OR | LINK_STS); - if (priv->type == BCM7278_DEVICE_ID) - reg |= GMII_SPEED_UP_2G; + reg &= ~GMII_SPEED_UP_2G; core_writel(priv, reg, offset); /* Enable Broadcast, Multicast, Unicast forwarding to IMP port */ |