[PATCH v3 05/13] net: ethernet: ti: cpsw: don't check slave num in runtime

[Ivan Khoronzhuk]

No need to check const slave num in runtime for every packet,
and ndev for slaves w/o ndev is anyway NULL. So remove redundant
check and macro.

Reviewed-by: Mugunthan V N <mugunthan...@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronz...@linaro.org>
---
 drivers/net/ethernet/ti/cpsw.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 0b6958d..cfbb1f2 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -497,9 +497,6 @@ static const struct cpsw_stats cpsw_gstrings_stats[] = {
                                        n; n--)                         \
                                (func)(slave++, ##arg);                 \
        } while (0)
-#define cpsw_get_slave_ndev(priv, __slave_no__)                                
\
-       ((__slave_no__ < priv->data.slaves) ?                           \
-               priv->slaves[__slave_no__].ndev : NULL)
 #define cpsw_get_slave_priv(priv, __slave_no__)                                
\
        (((__slave_no__ < priv->data.slaves) &&                         \
                (priv->slaves[__slave_no__].ndev)) ?                    \
@@ -510,11 +507,11 @@ static const struct cpsw_stats cpsw_gstrings_stats[] = {
                if (!priv->data.dual_emac)                              \
                        break;                                          \
                if (CPDMA_RX_SOURCE_PORT(status) == 1) {                \
-                       ndev = cpsw_get_slave_ndev(priv, 0);            \
+                       ndev = priv->slaves[0].ndev;                    \
                        priv = netdev_priv(ndev);                       \
                        skb->dev = ndev;                                \
                } else if (CPDMA_RX_SOURCE_PORT(status) == 2) {         \
-                       ndev = cpsw_get_slave_ndev(priv, 1);            \
+                       ndev = priv->slaves[1].ndev;                    \
                        priv = netdev_priv(ndev);                       \
                        skb->dev = ndev;                                \
                }                                                       \
@@ -2561,7 +2558,7 @@ static int cpsw_remove(struct platform_device *pdev)
        }
 
        if (priv->data.dual_emac)
-               unregister_netdev(cpsw_get_slave_ndev(priv, 1));
+               unregister_netdev(priv->slaves[1].ndev);
        unregister_netdev(ndev);
 
        cpsw_ale_destroy(priv->ale);
@@ -2570,7 +2567,7 @@ static int cpsw_remove(struct platform_device *pdev)
        pm_runtime_put_sync(&pdev->dev);
        pm_runtime_disable(&pdev->dev);
        if (priv->data.dual_emac)
-               free_netdev(cpsw_get_slave_ndev(priv, 1));
+               free_netdev(priv->slaves[1].ndev);
        free_netdev(ndev);
        return 0;
 }
-- 
1.9.1