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nuport-mac: disable MAC RX and TX during interface close

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Fixes sporadic crashes while reconfiguring the network interface.

SVN-Revision: 33312
This commit is contained in:
Florian Fainelli 2012-09-03 10:26:01 +00:00
parent 088a126240
commit e88e20d975
1 changed files with 5 additions and 0 deletions
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5
target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
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@ -829,9 +829,14 @@ out_emac_clk:
static int nuport_mac_close(struct net_device *dev) static int nuport_mac_close(struct net_device *dev)
{ {
u32 reg;
struct nuport_mac_priv *priv = netdev_priv(dev); struct nuport_mac_priv *priv = netdev_priv(dev);
spin_lock_irq(&priv->lock); spin_lock_irq(&priv->lock);
reg = nuport_mac_readl(CTRL_REG);
reg &= ~(RX_ENABLE | TX_ENABLE);
nuport_mac_writel(reg, CTRL_REG);
napi_disable(&priv->napi); napi_disable(&priv->napi);
netif_stop_queue(dev); netif_stop_queue(dev);