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| author | Florian Fainelli <florian@openwrt.org> | 2012-09-03 10:26:01 +0000 |
|---|---|---|
| committer | Florian Fainelli <florian@openwrt.org> | 2012-09-03 10:26:01 +0000 |
| commit | e88e20d9755e40c215f74ea5065af1fd3fd11a89 (patch) | |
| tree | 4a750f39254f86a681146c623e24be1820eaf018 | |
| parent | 088a126240afe031df25a5589f6f1f6c5a6a7d8c (diff) | |
| download | upstream-e88e20d9755e40c215f74ea5065af1fd3fd11a89.tar.gz upstream-e88e20d9755e40c215f74ea5065af1fd3fd11a89.tar.bz2 upstream-e88e20d9755e40c215f74ea5065af1fd3fd11a89.zip | |
nuport-mac: disable MAC RX and TX during interface close
Fixes sporadic crashes while reconfiguring the network interface.
SVN-Revision: 33312
| -rw-r--r-- | target/linux/mcs814x/files-3.3/drivers/net/ethernet/mcs8140/nuport_mac.c | 5 |
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); |