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authorFlorian Fainelli <f.fainelli@gmail.com>2020-02-06 11:23:52 -0800
committerDavid S. Miller <davem@davemloft.net>2020-02-07 11:26:15 +0100
commitde34d7084edd069dac5aa010cfe32bd8c4619fa6 (patch)
treefa2c7e6a477a64f319df88c4728023cd1fdbd443 /drivers
parentdf373702bc0f8f2d83980ea441e71639fc1efcf8 (diff)
downloadlinux-de34d7084edd069dac5aa010cfe32bd8c4619fa6.tar.bz2
net: dsa: bcm_sf2: Only 7278 supports 2Gb/sec IMP port
The 7445 switch clocking profiles do not allow us to run the IMP port at 2Gb/sec in a way that it is reliable and consistent. Make sure that the setting is only applied to the 7278 family. Fixes: 8f1880cbe8d0 ("net: dsa: bcm_sf2: Configure IMP port for 2Gb/sec") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/dsa/bcm_sf2.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 3e8635311d0d..d1955543acd1 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -68,7 +68,9 @@ 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 | GMII_SPEED_UP_2G);
+ reg |= (MII_SW_OR | LINK_STS);
+ if (priv->type == BCM7278_DEVICE_ID)
+ reg |= GMII_SPEED_UP_2G;
core_writel(priv, reg, offset);
/* Enable Broadcast, Multicast, Unicast forwarding to IMP port */