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authorHeiner Kallweit <hkallweit1@gmail.com>2024-12-17 00:32:25 +0300
committerJakub Kicinski <kuba@kernel.org>2024-12-20 06:07:48 +0300
commitc9f5a5dabbf5ab53a6392d7c782d373d2c892e21 (patch)
tree418d622a3cbc1b5bc69fefb747e22d132aeb6aa8
parentb55498ff14bd14860d48dc8d2a0b6889b218c408 (diff)
downloadlinux-c9f5a5dabbf5ab53a6392d7c782d373d2c892e21.tar.xz
net: ethernet: ti: cpsw: disable PHY EEE advertisement
It seems the cpsw MAC doesn't support EEE. See e.g. the commit message of ce2899428ec0 ("ARM: dts: am335x-baltos: disable EEE for Atheros 8035 PHY"). There are cases where this causes issues if the PHY's on both sides have negotiated EEE. As a workaround EEE modes of the PHY are marked broken in DT, effectively disabling EEE advertisement. Improve this by using new function phy_disable_eee() in the MAC driver. This properly disables EEE advertisement, and allows to remove the eee-broken-xxx properties from DT. As EEE is disabled anyway, we can remove also the set_eee ethtool op. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/d08a798e-8565-422c-b2ed-121794db077f@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/ti/cpsw.c3
-rw-r--r--drivers/net/ethernet/ti/cpsw_ethtool.c12
-rw-r--r--drivers/net/ethernet/ti/cpsw_new.c3
-rw-r--r--drivers/net/ethernet/ti/cpsw_priv.h1
4 files changed, 4 insertions, 15 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 4ef8cf6ea135..1e290ee8edfd 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -635,6 +635,8 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
slave->phy = phy;
+ phy_disable_eee(slave->phy);
+
phy_attached_info(slave->phy);
phy_start(slave->phy);
@@ -1225,7 +1227,6 @@ static const struct ethtool_ops cpsw_ethtool_ops = {
.get_link_ksettings = cpsw_get_link_ksettings,
.set_link_ksettings = cpsw_set_link_ksettings,
.get_eee = cpsw_get_eee,
- .set_eee = cpsw_set_eee,
.nway_reset = cpsw_nway_reset,
.get_ringparam = cpsw_get_ringparam,
.set_ringparam = cpsw_set_ringparam,
diff --git a/drivers/net/ethernet/ti/cpsw_ethtool.c b/drivers/net/ethernet/ti/cpsw_ethtool.c
index 21d55a180ef6..bdc4db0d169c 100644
--- a/drivers/net/ethernet/ti/cpsw_ethtool.c
+++ b/drivers/net/ethernet/ti/cpsw_ethtool.c
@@ -434,18 +434,6 @@ int cpsw_get_eee(struct net_device *ndev, struct ethtool_keee *edata)
return -EOPNOTSUPP;
}
-int cpsw_set_eee(struct net_device *ndev, struct ethtool_keee *edata)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- int slave_no = cpsw_slave_index(cpsw, priv);
-
- if (cpsw->slaves[slave_no].phy)
- return phy_ethtool_set_eee(cpsw->slaves[slave_no].phy, edata);
- else
- return -EOPNOTSUPP;
-}
-
int cpsw_nway_reset(struct net_device *ndev)
{
struct cpsw_priv *priv = netdev_priv(ndev);
diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c
index a98bcc5eb566..be4d90c1cbe7 100644
--- a/drivers/net/ethernet/ti/cpsw_new.c
+++ b/drivers/net/ethernet/ti/cpsw_new.c
@@ -778,6 +778,8 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
slave->phy = phy;
+ phy_disable_eee(slave->phy);
+
phy_attached_info(slave->phy);
phy_start(slave->phy);
@@ -1209,7 +1211,6 @@ static const struct ethtool_ops cpsw_ethtool_ops = {
.get_link_ksettings = cpsw_get_link_ksettings,
.set_link_ksettings = cpsw_set_link_ksettings,
.get_eee = cpsw_get_eee,
- .set_eee = cpsw_set_eee,
.nway_reset = cpsw_nway_reset,
.get_ringparam = cpsw_get_ringparam,
.set_ringparam = cpsw_set_ringparam,
diff --git a/drivers/net/ethernet/ti/cpsw_priv.h b/drivers/net/ethernet/ti/cpsw_priv.h
index 1f448290b9f4..f2fc55d9295d 100644
--- a/drivers/net/ethernet/ti/cpsw_priv.h
+++ b/drivers/net/ethernet/ti/cpsw_priv.h
@@ -497,7 +497,6 @@ int cpsw_get_link_ksettings(struct net_device *ndev,
int cpsw_set_link_ksettings(struct net_device *ndev,
const struct ethtool_link_ksettings *ecmd);
int cpsw_get_eee(struct net_device *ndev, struct ethtool_keee *edata);
-int cpsw_set_eee(struct net_device *ndev, struct ethtool_keee *edata);
int cpsw_nway_reset(struct net_device *ndev);
void cpsw_get_ringparam(struct net_device *ndev,
struct ethtool_ringparam *ering,