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authorGiuseppe CAVALLARO <peppe.cavallaro@st.com>2014-08-28 10:11:43 +0400
committerDavid S. Miller <davem@davemloft.net>2014-09-01 09:01:06 +0400
commit56b88c25c543f1d4b1fff7f1c0267f59f53c261f (patch)
tree51cd22e050905dbd151f79eb79e44de26eeca2ce /drivers/net/ethernet/stmicro
parent438a62b16e0aeff5c4a5ab457343cebe4d7278da (diff)
downloadlinux-56b88c25c543f1d4b1fff7f1c0267f59f53c261f.tar.xz
stmmac: never check EEE in case of a switch is attached
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>
Diffstat (limited to 'drivers/net/ethernet/stmicro')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index df15f00b1246..3b8b57e3bd20 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -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;