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net: ethernet: ti: cpsw: don't check slave num in runtime 

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 <mugunthanvnm@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ivan Khoronzhuk 2016-08-10 02:22:36 +03:00 committed by David S. Miller
parent ef4183a1d7
commit 82b52104a3
1 changed files with 4 additions and 7 deletions
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11
drivers/net/ethernet/ti/cpsw.c
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@ -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;
}