net: fec: only enable mdio interrupt before phy device link up

Before phy device link up, we only enable FEC mdio interrupt, which
is more reasonable.

Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 85c955e4383f..8c5b15ee5ed7 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1075,7 +1075,10 @@ fec_restart(struct net_device *ndev)
                 fec_ptp_start_cyclecounter(ndev);
 
         /* Enable interrupts we wish to service */
-        writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK);
+        if (fep->link)
+                writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK);
+        else
+                writel(FEC_ENET_MII, fep->hwp + FEC_IMASK);
 
         /* Init the interrupt coalescing */
         fec_enet_itr_coal_init(ndev);