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| author |   Rafał Miłecki <rafal@milecki.pl> | 2021-03-10 13:51:59 +0100 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-03-10 15:22:27 -0800 |
| commit | 8373a0fe9c7160a55482effa8a3f725efd3f8434 (patch) | |
| tree | b5a3120a787512f34f1325bf9ab7bc64b9fafe2b /drivers/net/dsa/bcm_sf2.c | |
| parent | net: pxa168_eth: Fix a potential data race in pxa168_eth_remove (diff) | |
| download | linux-dev-8373a0fe9c7160a55482effa8a3f725efd3f8434.tar.xz linux-dev-8373a0fe9c7160a55482effa8a3f725efd3f8434.zip | |
net: dsa: bcm_sf2: use 2 Gbps IMP port link on BCM4908
BCM4908 uses 2 Gbps link between switch and the Ethernet interface.
Without this BCM4908 devices were able to achieve only 2 x ~895 Mb/s.
This allows handling e.g. NAT traffic with 940 Mb/s.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/bcm_sf2.c')
| -rw-r--r-- | drivers/net/dsa/bcm_sf2.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index f277df922fcd..4dedd6e0b11b 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -114,7 +114,10 @@ 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); - reg &= ~GMII_SPEED_UP_2G; + if (priv->type == BCM4908_DEVICE_ID) + reg |= GMII_SPEED_UP_2G; + else + reg &= ~GMII_SPEED_UP_2G; core_writel(priv, reg, offset); /* Enable Broadcast, Multicast, Unicast forwarding to IMP port */ |