9cc3a60b5a
This builds and boots. Because of the function pointer indirection (e.g. mtd_info's read function pointer is assigned to spiflash_read), it is difficult for me to understand where the calls are coming from (could be anywhere, conditionally pointing at spiflash versions), so I punted and used the renamed function pointers (_erase, _read, _write). If someone knows better what to do, please fix. Cleaned up other sundry kernel tracking issues like get_phy_id and __devinit,etc. [juhosg: don't switch to that yet] Signed-off-by: Russell Senior <russell@personaltelco.net> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 35727
86 lines
2.1 KiB
Diff
86 lines
2.1 KiB
Diff
--- a/drivers/net/ethernet/ar231x/ar231x.c
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+++ b/drivers/net/ethernet/ar231x/ar231x.c
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@@ -150,6 +150,7 @@ 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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@@ -182,6 +183,30 @@ 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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+ /* Grab the bits from PHYIR1, and put them
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+ * in the upper half */
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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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int ar231x_probe(struct platform_device *pdev)
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{
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struct net_device *dev;
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@@ -299,6 +324,21 @@ int ar231x_probe(struct platform_device
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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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@@ -355,8 +395,10 @@ 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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@@ -1132,6 +1174,9 @@ 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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