71 lines
1.8 KiB
Diff
71 lines
1.8 KiB
Diff
Index: linux-3.1.10/drivers/net/lantiq_etop.c
|
|
===================================================================
|
|
--- linux-3.1.10.orig/drivers/net/lantiq_etop.c 2012-02-09 10:07:01.180680919 +0100
|
|
+++ linux-3.1.10/drivers/net/lantiq_etop.c 2012-02-09 10:11:00.996691173 +0100
|
|
@@ -203,8 +203,10 @@
|
|
{
|
|
struct ltq_etop_chan *ch = container_of(napi,
|
|
struct ltq_etop_chan, napi);
|
|
+ struct ltq_etop_priv *priv = netdev_priv(ch->netdev);
|
|
int rx = 0;
|
|
int complete = 0;
|
|
+ unsigned long flags;
|
|
|
|
while ((rx < budget) && !complete) {
|
|
struct ltq_dma_desc *desc = &ch->dma.desc_base[ch->dma.desc];
|
|
@@ -218,7 +220,9 @@
|
|
}
|
|
if (complete || !rx) {
|
|
napi_complete(&ch->napi);
|
|
+ spin_lock_irqsave(&priv->lock, flags);
|
|
ltq_dma_ack_irq(&ch->dma);
|
|
+ spin_unlock_irqrestore(&priv->lock, flags);
|
|
}
|
|
return rx;
|
|
}
|
|
@@ -248,7 +252,9 @@
|
|
if (netif_tx_queue_stopped(txq))
|
|
netif_tx_start_queue(txq);
|
|
napi_complete(&ch->napi);
|
|
+ spin_lock_irqsave(&priv->lock, flags);
|
|
ltq_dma_ack_irq(&ch->dma);
|
|
+ spin_unlock_irqrestore(&priv->lock, flags);
|
|
return 1;
|
|
}
|
|
|
|
@@ -615,13 +621,17 @@
|
|
{
|
|
struct ltq_etop_priv *priv = netdev_priv(dev);
|
|
int i;
|
|
+ unsigned long flags;
|
|
|
|
for (i = 0; i < MAX_DMA_CHAN; i++) {
|
|
struct ltq_etop_chan *ch = &priv->ch[i];
|
|
|
|
if (!IS_TX(i) && (!IS_RX(i)))
|
|
continue;
|
|
+ spin_lock_irqsave(&priv->lock, flags);
|
|
ltq_dma_open(&ch->dma);
|
|
+ ltq_dma_ack_irq(&ch->dma);
|
|
+ spin_unlock_irqrestore(&priv->lock, flags);
|
|
napi_enable(&ch->napi);
|
|
}
|
|
if (priv->phydev)
|
|
@@ -635,6 +645,7 @@
|
|
{
|
|
struct ltq_etop_priv *priv = netdev_priv(dev);
|
|
int i;
|
|
+ unsigned long flags;
|
|
|
|
netif_tx_stop_all_queues(dev);
|
|
if (priv->phydev)
|
|
@@ -645,7 +656,9 @@
|
|
if (!IS_RX(i) && !IS_TX(i))
|
|
continue;
|
|
napi_disable(&ch->napi);
|
|
+ spin_lock_irqsave(&priv->lock, flags);
|
|
ltq_dma_close(&ch->dma);
|
|
+ spin_unlock_irqrestore(&priv->lock, flags);
|
|
}
|
|
return 0;
|
|
}
|