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path: root/drivers/net/ethernet/freescale/fec_main.c
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Diffstat (limited to 'drivers/net/ethernet/freescale/fec_main.c')
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 87120522ba66..4e164e6ab945 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -568,7 +568,8 @@ static int fec_enet_txq_submit_skb(struct sk_buff *skb, struct net_device *ndev)
fep->cur_tx = bdp;
/* Trigger transmission start */
- writel(0, fep->hwp + FEC_X_DES_ACTIVE);
+ if (readl(fep->hwp + FEC_X_DES_ACTIVE) == 0)
+ writel(0, fep->hwp + FEC_X_DES_ACTIVE);
return 0;
}
@@ -752,7 +753,8 @@ static int fec_enet_txq_submit_tso(struct sk_buff *skb, struct net_device *ndev)
fep->cur_tx = bdp;
/* Trigger transmission start */
- writel(0, fep->hwp + FEC_X_DES_ACTIVE);
+ if (readl(fep->hwp + FEC_X_DES_ACTIVE) == 0)
+ writel(0, fep->hwp + FEC_X_DES_ACTIVE);
return 0;