aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/gianfar.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/gianfar.c')
-rw-r--r--drivers/net/gianfar.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 3f7eab42aef..9831b3f408a 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -351,6 +351,9 @@ static int gfar_probe(struct of_device *ofdev,
/* Reset MAC layer */
gfar_write(&priv->regs->maccfg1, MACCFG1_SOFT_RESET);
+ /* We need to delay at least 3 TX clocks */
+ udelay(2);
+
tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
gfar_write(&priv->regs->maccfg1, tempval);
@@ -1281,7 +1284,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
spin_lock_irqsave(&priv->txlock, flags);
/* check if there is space to queue this packet */
- if (nr_frags > priv->num_txbdfree) {
+ if ((nr_frags+1) > priv->num_txbdfree) {
/* no space, stop the queue */
netif_stop_queue(dev);
dev->stats.tx_fifo_errors++;
@@ -1626,6 +1629,12 @@ static void gfar_schedule_cleanup(struct net_device *dev)
if (netif_rx_schedule_prep(&priv->napi)) {
gfar_write(&priv->regs->imask, IMASK_RTX_DISABLED);
__netif_rx_schedule(&priv->napi);
+ } else {
+ /*
+ * Clear IEVENT, so interrupts aren't called again
+ * because of the packets that have already arrived.
+ */
+ gfar_write(&priv->regs->ievent, IEVENT_RTX_MASK);
}
spin_unlock(&priv->rxlock);