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authorJose Abreu <Jose.Abreu@synopsys.com>2019-09-06 09:41:17 +0200
committerDavid S. Miller <davem@davemloft.net>2019-09-07 17:57:41 +0200
commitd9da2c87176a70b8edf39e8998deb4082c1b9e1c (patch)
treecd9a1dc88e0b8d2f49ae99aef9c8708580dab58d /drivers/net/ethernet/stmicro
parentnet: stmmac: selftests: Add Split Header test (diff)
downloadlinux-dev-d9da2c87176a70b8edf39e8998deb4082c1b9e1c.tar.xz
linux-dev-d9da2c87176a70b8edf39e8998deb4082c1b9e1c.zip
net: stmmac: Limit max speeds of XGMAC if asked to
We may have some SoCs that can't achieve XGMAC max speed. Limit it if asked to. Signed-off-by: Jose Abreu <joabreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index c3baca9f587b..686b82068142 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -831,15 +831,22 @@ static void stmmac_validate(struct phylink_config *config,
phylink_set(mask, 1000baseT_Full);
phylink_set(mask, 1000baseX_Full);
} else if (priv->plat->has_xgmac) {
- phylink_set(mac_supported, 2500baseT_Full);
- phylink_set(mac_supported, 5000baseT_Full);
- phylink_set(mac_supported, 10000baseSR_Full);
- phylink_set(mac_supported, 10000baseLR_Full);
- phylink_set(mac_supported, 10000baseER_Full);
- phylink_set(mac_supported, 10000baseLRM_Full);
- phylink_set(mac_supported, 10000baseT_Full);
- phylink_set(mac_supported, 10000baseKX4_Full);
- phylink_set(mac_supported, 10000baseKR_Full);
+ if (!max_speed || (max_speed >= 2500)) {
+ phylink_set(mac_supported, 2500baseT_Full);
+ phylink_set(mac_supported, 2500baseX_Full);
+ }
+ if (!max_speed || (max_speed >= 5000)) {
+ phylink_set(mac_supported, 5000baseT_Full);
+ }
+ if (!max_speed || (max_speed >= 10000)) {
+ phylink_set(mac_supported, 10000baseSR_Full);
+ phylink_set(mac_supported, 10000baseLR_Full);
+ phylink_set(mac_supported, 10000baseER_Full);
+ phylink_set(mac_supported, 10000baseLRM_Full);
+ phylink_set(mac_supported, 10000baseT_Full);
+ phylink_set(mac_supported, 10000baseKX4_Full);
+ phylink_set(mac_supported, 10000baseKR_Full);
+ }
}
/* Half-Duplex can only work with single queue */