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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 <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Giuseppe CAVALLARO 2014-08-28 08:11:43 +02:00 • committed by David S. Miller
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)
{
char *phy_bus_name = priv->plat->phy_bus_name;
bool ret = false;
/* 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))
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. */
if (priv->dma_cap.eee) {
int tx_lpi_timer = priv->tx_lpi_timer;