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path: root/drivers/net/phy/phy-c45.c
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Diffstat (limited to 'drivers/net/phy/phy-c45.c')
-rw-r--r--drivers/net/phy/phy-c45.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index 8717c122e2f3..3813b86689d0 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c
@@ -1438,12 +1438,23 @@ int genphy_c45_ethtool_set_eee(struct phy_device *phydev,
int ret;
if (data->eee_enabled) {
- if (data->advertised)
+ if (data->advertised) {
+ __ETHTOOL_DECLARE_LINK_MODE_MASK(adv);
+
+ ethtool_convert_legacy_u32_to_link_mode(adv,
+ data->advertised);
+ linkmode_andnot(adv, adv, phydev->supported_eee);
+ if (!linkmode_empty(adv)) {
+ phydev_warn(phydev, "At least some EEE link modes are not supported.\n");
+ return -EINVAL;
+ }
+
ethtool_convert_legacy_u32_to_link_mode(phydev->advertising_eee,
data->advertised);
- else
+ } else {
linkmode_copy(phydev->advertising_eee,
phydev->supported_eee);
+ }
phydev->eee_enabled = true;
} else {