net: ethernet: ti: cpsw: simplify submit routine

As second net dev is created only in case of dual_emac mode, port
number can be figured out in simpler way. Also no need to pass
redundant ndev struct.

Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 13 deletions

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index c51f34693eae..8972bf6870ed 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1065,19 +1065,11 @@ static int cpsw_common_res_usage_state(struct cpsw_priv *priv)
         return usage_count;
 }
 
-static inline int cpsw_tx_packet_submit(struct net_device *ndev,
-                        struct cpsw_priv *priv, struct sk_buff *skb)
+static inline int cpsw_tx_packet_submit(struct cpsw_priv *priv,
+                                        struct sk_buff *skb)
 {
-        if (!priv->data.dual_emac)
-                return cpdma_chan_submit(priv->txch, skb, skb->data,
-                                  skb->len, 0);
-
-        if (ndev == cpsw_get_slave_ndev(priv, 0))
-                return cpdma_chan_submit(priv->txch, skb, skb->data,
-                                  skb->len, 1);
-        else
-                return cpdma_chan_submit(priv->txch, skb, skb->data,
-                                  skb->len, 2);
+        return cpdma_chan_submit(priv->txch, skb, skb->data, skb->len,
+                                 priv->emac_port + priv->data.dual_emac);
 }
 
 static inline void cpsw_add_dual_emac_def_ale_entries(
@@ -1406,7 +1398,7 @@ static netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb,
 
         skb_tx_timestamp(skb);
 
-        ret = cpsw_tx_packet_submit(ndev, priv, skb);
+        ret = cpsw_tx_packet_submit(priv, skb);
         if (unlikely(ret != 0)) {
                 cpsw_err(priv, tx_err, "desc submit failed\n");
                 goto fail;