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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>
hifive-unleashed-5.1
Florian Fainelli 2014-07-01 21:08:37 -07:00 committed by David S. Miller
parent 18e21b01fb
commit b02e6d9ba7
1 changed files with 27 additions and 13 deletions
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40
drivers/net/ethernet/broadcom/bcmsysport.c
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@ -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);