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Code

net: stmmac: trigger PCS EEE to turn off on link down

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The current implementation enable PCS EEE feature in the event of link
up, but PCS EEE feature is not disabled on link down.

This patch makes sure PCE EEE feature is disabled on link down.

Fixes: 656ed8b015 ("net: stmmac: fix EEE init issue when paired with EEE capable PHYs")
Signed-off-by: Wong Vee Khee <vee.khee.wong@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wong Vee Khee 2021-10-05 19:51:00 +08:00 committed by David S. Miller
parent 590df78bc7
commit d4aeaed80b
1 changed files with 5 additions and 1 deletions
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6
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@ -477,6 +477,10 @@ bool stmmac_eee_init(struct stmmac_priv *priv)
stmmac_lpi_entry_timer_config(priv, 0); stmmac_lpi_entry_timer_config(priv, 0);
del_timer_sync(&priv->eee_ctrl_timer); del_timer_sync(&priv->eee_ctrl_timer);
stmmac_set_eee_timer(priv, priv->hw, 0, eee_tw_timer); stmmac_set_eee_timer(priv, priv->hw, 0, eee_tw_timer);
if (priv->hw->xpcs)
xpcs_config_eee(priv->hw->xpcs,
priv->plat->mult_fact_100ns,
false);
} }
mutex_unlock(&priv->lock); mutex_unlock(&priv->lock);
return false; return false;
@ -1038,7 +1042,7 @@ static void stmmac_mac_link_down(struct phylink_config *config,
stmmac_mac_set(priv, priv->ioaddr, false); stmmac_mac_set(priv, priv->ioaddr, false);
priv->eee_active = false; priv->eee_active = false;
priv->tx_lpi_enabled = false; priv->tx_lpi_enabled = false;
stmmac_eee_init(priv); priv->eee_enabled = stmmac_eee_init(priv);
stmmac_set_eee_pls(priv, priv->hw, false); stmmac_set_eee_pls(priv, priv->hw, false);
if (priv->dma_cap.fpesel) if (priv->dma_cap.fpesel)