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13656378e9
Instead of defining an own virt_to_phys() use the version from the generic MIPS arch code which does the same. This fixes a compile warning. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
112 lines
2.5 KiB
Diff
112 lines
2.5 KiB
Diff
--- a/drivers/net/ethernet/atheros/ar231x/ar231x.c
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+++ b/drivers/net/ethernet/atheros/ar231x/ar231x.c
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@@ -133,6 +133,7 @@ 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;
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#ifndef ERR
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#define ERR(fmt, args...) printk("%s: " fmt, __func__, ##args)
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@@ -164,6 +165,32 @@ static const struct net_device_ops ar231
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#endif
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};
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+static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id)
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+{
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+ int phy_reg;
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+
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+ /**
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+ * Grab the bits from PHYIR1, and put them
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+ * in the upper half.
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+ */
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+ phy_reg = mdiobus_read(bus, addr, MII_PHYSID1);
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+
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+ if (phy_reg < 0)
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+ return -EIO;
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+
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+ *phy_id = (phy_reg & 0xffff) << 16;
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+
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+ /* Grab the bits from PHYIR2, and put them in the lower half */
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+ phy_reg = mdiobus_read(bus, addr, MII_PHYSID2);
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+
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+ if (phy_reg < 0)
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+ return -EIO;
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+
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+ *phy_id |= (phy_reg & 0xffff);
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+
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+ return 0;
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+}
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+
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static int ar231x_probe(struct platform_device *pdev)
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{
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struct net_device *dev;
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@@ -271,6 +298,24 @@ static int ar231x_probe(struct platform_
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mdiobus_register(sp->mii_bus);
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+ /**
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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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+ */
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+ if (!no_phy) {
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+ u32 phy_id = 0;
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+
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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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@@ -324,8 +369,10 @@ static int ar231x_remove(struct platform
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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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@@ -868,7 +915,8 @@ static int ar231x_open(struct net_device
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sp->eth_regs->mac_control |= MAC_CONTROL_RE;
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- phy_start(sp->phy_dev);
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+ if (sp->phy_dev)
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+ phy_start(sp->phy_dev);
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return 0;
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}
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@@ -949,7 +997,8 @@ static int ar231x_close(struct net_devic
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#endif
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- phy_stop(sp->phy_dev);
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+ if (sp->phy_dev)
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+ phy_stop(sp->phy_dev);
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return 0;
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}
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@@ -993,6 +1042,9 @@ static int ar231x_ioctl(struct net_devic
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{
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struct ar231x_private *sp = netdev_priv(dev);
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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 SIOCGMIIPHY:
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case SIOCGMIIREG:
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