diff options
| author | Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> | 2017-01-19 18:58:26 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-20 12:35:10 -0500 |
| commit | fe734d0aa9e120a48999885355f08a99fcf45c77 (patch) | |
| tree | f4bdd89ae7ca9de2671b5ebfc7b2f2d839ed5870 /drivers/net | |
| parent | 03fd01ad0eead23eb79294b6fb4d71dcac493855 (diff) | |
| download | linux-fe734d0aa9e120a48999885355f08a99fcf45c77.tar.bz2 | |
net: ethernet: ti: cpsw: don't duplicate common res in rx handler
No need to duplicate the same function in rx handler to get info
if any interface is running.
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw.c | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index c681d39419b0..1f14afdddb75 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -671,6 +671,18 @@ static void cpsw_intr_disable(struct cpsw_common *cpsw) return; } +static int cpsw_get_usage_count(struct cpsw_common *cpsw) +{ + u32 i; + u32 usage_count = 0; + + for (i = 0; i < cpsw->data.slaves; i++) + if (netif_running(cpsw->slaves[i].ndev)) + usage_count++; + + return usage_count; +} + static void cpsw_tx_handler(void *token, int len, int status) { struct netdev_queue *txq; @@ -703,18 +715,10 @@ static void cpsw_rx_handler(void *token, int len, int status) cpsw_dual_emac_src_port_detect(cpsw, status, ndev, skb); if (unlikely(status < 0) || unlikely(!netif_running(ndev))) { - bool ndev_status = false; - struct cpsw_slave *slave = cpsw->slaves; - int n; - - if (cpsw->data.dual_emac) { - /* In dual emac mode check for all interfaces */ - for (n = cpsw->data.slaves; n; n--, slave++) - if (netif_running(slave->ndev)) - ndev_status = true; - } - - if (ndev_status && (status >= 0)) { + /* In dual emac mode check for all interfaces */ + if (cpsw->data.dual_emac && + cpsw_get_usage_count(cpsw) && + (status >= 0)) { /* The packet received is for the interface which * is already down and the other interface is up * and running, instead of freeing which results @@ -1234,18 +1238,6 @@ static void cpsw_get_ethtool_stats(struct net_device *ndev, } } -static int cpsw_get_usage_count(struct cpsw_common *cpsw) -{ - u32 i; - u32 usage_count = 0; - - for (i = 0; i < cpsw->data.slaves; i++) - if (netif_running(cpsw->slaves[i].ndev)) - usage_count++; - - return usage_count; -} - static inline int cpsw_tx_packet_submit(struct cpsw_priv *priv, struct sk_buff *skb, struct cpdma_chan *txch) |