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stmmac: never check EEE in case of a switch is attached

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This patch is to skip the EEE initialisation when the stmmac
is using a switch (with a fixed phy support).

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Giuseppe CAVALLARO
2014-08-28 08:11:43 +02:00
committed by David S. Miller
parent 438a62b16e
commit 56b88c25c5
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@@ -275,6 +275,7 @@ static void stmmac_eee_ctrl_timer(unsigned long arg)
*/ */
bool stmmac_eee_init(struct stmmac_priv *priv) bool stmmac_eee_init(struct stmmac_priv *priv)
{ {
char *phy_bus_name = priv->plat->phy_bus_name;
bool ret = false; bool ret = false;
/* Using PCS we cannot dial with the phy registers at this stage /* Using PCS we cannot dial with the phy registers at this stage
@@ -284,6 +285,10 @@ bool stmmac_eee_init(struct stmmac_priv *priv)
(priv->pcs == STMMAC_PCS_RTBI)) (priv->pcs == STMMAC_PCS_RTBI))
goto out; goto out;
/* Never init EEE in case of a switch is attached */
if (phy_bus_name && (!strcmp(phy_bus_name, "fixed")))
goto out;
/* MAC core supports the EEE feature. */ /* MAC core supports the EEE feature. */
if (priv->dma_cap.eee) { if (priv->dma_cap.eee) {
int tx_lpi_timer = priv->tx_lpi_timer; int tx_lpi_timer = priv->tx_lpi_timer;