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70 lines
1.8 KiB
Diff
70 lines
1.8 KiB
Diff
--- a/drivers/net/ethernet/ar231x/ar231x.c
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+++ b/drivers/net/ethernet/ar231x/ar231x.c
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@@ -151,6 +151,7 @@ static int ar231x_mdiobus_write(struct m
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static int ar231x_mdiobus_reset(struct mii_bus *bus);
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static int ar231x_mdiobus_probe (struct net_device *dev);
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static void ar231x_adjust_link(struct net_device *dev);
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+static bool no_phy = false;
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#ifndef ERR
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#define ERR(fmt, args...) printk("%s: " fmt, __func__, ##args)
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@@ -300,6 +301,21 @@ int __devinit ar231x_probe(struct platfo
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mdiobus_register(sp->mii_bus);
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+ /* Workaround for Micrel switch, which is only available on
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+ * one PHY and cannot be configured through MDIO */
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+ if (!no_phy) {
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+ u32 phy_id = 0;
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+ get_phy_id(sp->mii_bus, 1, &phy_id);
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+ if (phy_id == 0x00221450)
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+ no_phy = true;
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+ }
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+ if (no_phy) {
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+ sp->link = 1;
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+ netif_carrier_on(dev);
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+ return 0;
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+ }
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+ no_phy = true;
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+
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if (ar231x_mdiobus_probe(dev) != 0) {
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printk(KERN_ERR "%s: mdiobus_probe failed\n", dev->name);
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rx_tasklet_cleanup(dev);
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@@ -356,8 +372,10 @@ static int __devexit ar231x_remove(struc
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rx_tasklet_cleanup(dev);
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ar231x_init_cleanup(dev);
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unregister_netdev(dev);
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- mdiobus_unregister(sp->mii_bus);
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- mdiobus_free(sp->mii_bus);
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+ if (sp->mii_bus) {
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+ mdiobus_unregister(sp->mii_bus);
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+ mdiobus_free(sp->mii_bus);
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+ }
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kfree(dev);
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return 0;
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}
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@@ -846,7 +864,12 @@ static int ar231x_rx_int(struct net_devi
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dev->stats.rx_bytes += skb->len;
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/* pass the packet to upper layers */
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- sp->rx(skb);
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+ if (sp->rx) {
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+ sp->rx(skb);
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+ } else {
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+ skb->protocol = eth_type_trans(skb, skb->dev);
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+ netif_rx(skb);
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+ }
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skb_new->dev = dev;
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/* 16 bit align */
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@@ -1142,6 +1165,9 @@ static int ar231x_ioctl(struct net_devic
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struct ar231x_private *sp = netdev_priv(dev);
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int ret;
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+ if (!sp->phy_dev)
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+ return -ENODEV;
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+
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switch (cmd) {
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case SIOCETHTOOL:
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