From: Rafał Miłecki <ra...@milecki.pl>
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 <ra...@milecki.pl>
---
drivers/net/dsa/bcm_sf2.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 7583fc12a9d7..d183206c4bb4 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
*/
--
2.26.2
