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

From: Ivan Khoronzhuk
Date: Tue Aug 09 2016 - 19:23:40 EST


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@xxxxxx>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxxxxxx>
---
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