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path: root/drivers/net/gianfar.c
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Diffstat (limited to 'drivers/net/gianfar.c')
-rw-r--r--drivers/net/gianfar.c38
1 files changed, 33 insertions, 5 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 1b8deca8b9f..9b12a13a640 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -296,6 +296,20 @@ err_out:
return err;
}
+/* Ioctl MII Interface */
+static int gfar_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+ struct gfar_private *priv = netdev_priv(dev);
+
+ if (!netif_running(dev))
+ return -EINVAL;
+
+ if (!priv->phydev)
+ return -ENODEV;
+
+ return phy_mii_ioctl(priv->phydev, if_mii(rq), cmd);
+}
+
/* Set up the ethernet device structure, private data,
* and anything else we need before we start */
static int gfar_probe(struct of_device *ofdev,
@@ -337,6 +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);
@@ -366,6 +383,7 @@ static int gfar_probe(struct of_device *ofdev,
dev->set_multicast_list = gfar_set_multi;
dev->ethtool_ops = &gfar_ethtool_ops;
+ dev->do_ioctl = gfar_ioctl;
if (priv->device_flags & FSL_GIANFAR_DEV_HAS_CSUM) {
priv->rx_csum_enable = 1;
@@ -1408,15 +1426,11 @@ static void gfar_vlan_rx_register(struct net_device *dev,
{
struct gfar_private *priv = netdev_priv(dev);
unsigned long flags;
- struct vlan_group *old_grp;
u32 tempval;
spin_lock_irqsave(&priv->rxlock, flags);
- old_grp = priv->vlgrp;
-
- if (old_grp == grp)
- return;
+ priv->vlgrp = grp;
if (grp) {
/* Enable VLAN tag insertion */
@@ -1607,10 +1621,24 @@ static int gfar_clean_tx_ring(struct net_device *dev)
static void gfar_schedule_cleanup(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&priv->txlock, flags);
+ spin_lock(&priv->rxlock);
+
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);
+ spin_unlock_irqrestore(&priv->txlock, flags);
}
/* Interrupt Handler for Transmit complete */