net: systemport: add bcm_sysport_netif_{enable,stop}

Factor common code that either enables or disables the network
interface with the networking stack. We are going to reuse these
functions for suspend/resume callbacks.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index bbe74494c629daaf0f934b1d598d35119e4708bf..8f6ab266b1783c500407a0a737beb01f95adf90e 100644 (file)
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -1295,6 +1295,22 @@ static void topctrl_flush(struct bcm_sysport_priv *priv)
        topctrl_writel(priv, 0, TX_FLUSH_CNTL);
 }
 
+static void bcm_sysport_netif_start(struct net_device *dev)
+{
+       struct bcm_sysport_priv *priv = netdev_priv(dev);
+
+       /* Enable NAPI */
+       napi_enable(&priv->napi);
+
+       phy_start(priv->phydev);
+
+       /* Enable TX interrupts for the 32 TXQs */
+       intrl2_1_mask_clear(priv, 0xffffffff);
+
+       /* Last call before we start the real business */
+       netif_tx_start_all_queues(dev);
+}
+
 static int bcm_sysport_open(struct net_device *dev)
 {
        struct bcm_sysport_priv *priv = netdev_priv(dev);
@@ -1394,19 +1410,10 @@ static int bcm_sysport_open(struct net_device *dev)
        if (ret)
                goto out_clear_rx_int;
 
-       /* Enable NAPI */
-       napi_enable(&priv->napi);
-
        /* Turn on UniMAC TX/RX */
        umac_enable_set(priv, CMD_RX_EN | CMD_TX_EN, 1);
 
-       phy_start(priv->phydev);
-
-       /* Enable TX interrupts for the 32 TXQs */
-       intrl2_1_mask_clear(priv, 0xffffffff);
-
-       /* Last call before we start the real business */
-       netif_tx_start_all_queues(dev);
+       bcm_sysport_netif_start(dev);
 
        return 0;
 
@@ -1425,11 +1432,9 @@ out_phy_disconnect:
        return ret;
 }
 
-static int bcm_sysport_stop(struct net_device *dev)
+static void bcm_sysport_netif_stop(struct net_device *dev)
 {
        struct bcm_sysport_priv *priv = netdev_priv(dev);
-       unsigned int i;
-       int ret;
 
        /* stop all software from updating hardware */
        netif_tx_stop_all_queues(dev);
@@ -1441,6 +1446,15 @@ static int bcm_sysport_stop(struct net_device *dev)
        intrl2_0_writel(priv, 0xffffffff, INTRL2_CPU_CLEAR);
        intrl2_1_mask_set(priv, 0xffffffff);
        intrl2_1_writel(priv, 0xffffffff, INTRL2_CPU_CLEAR);
+}
+
+static int bcm_sysport_stop(struct net_device *dev)
+{
+       struct bcm_sysport_priv *priv = netdev_priv(dev);
+       unsigned int i;
+       int ret;
+
+       bcm_sysport_netif_stop(dev);
 
        /* Disable UniMAC RX */
        umac_enable_set(priv, CMD_RX_EN, 0);