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authorFlorian Fainelli <florian@openwrt.org>2012-09-03 10:26:01 +0000
committerFlorian Fainelli <florian@openwrt.org>2012-09-03 10:26:01 +0000
commita7b6531eea8816a1987e5fcb0e2c0c9c32a12680 (patch)
treef84059f58f6e1c5a561661ec2afdc1acb5be30e6 /target
parenta57015d0dc7810ae5b22e968ff2fab52c74f6487 (diff)
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[mcs814x] nuport-mac: disable MAC RX and TX during interface close
Fixes sporadic crashes while reconfiguring the network interface. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33312 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target')
-rw-r--r--target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c b/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
index b14019d578..4a42086046 100644
--- a/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
+++ b/target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c
@@ -829,9 +829,14 @@ out_emac_clk:
static int nuport_mac_close(struct net_device *dev)
{
+ u32 reg;
struct nuport_mac_priv *priv = netdev_priv(dev);
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);
netif_stop_queue(dev);