phylib: move to dynamic allocation of struct mii_bus
This patch introduces mdiobus_alloc() and mdiobus_free(), and
makes all mdio bus drivers use these functions to allocate their
struct mii_bus'es dynamically.
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Andy Fleming <afleming@freescale.com>
diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index 1f2b1f2..4980b12 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -424,7 +424,7 @@
*/
spinlock_t lock;
- struct mii_bus mii_bus;
+ struct mii_bus *mii_bus;
struct phy_device *phy_dev;
int duplex;
int speed;
@@ -704,13 +704,13 @@
/* find the first phy */
for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
- if (lp->mii_bus.phy_map[phy_addr]) {
+ if (lp->mii_bus->phy_map[phy_addr]) {
if (phydev) {
printk(KERN_ERR "%s: multiple PHYs found\n",
dev->name);
return -EINVAL;
}
- phydev = lp->mii_bus.phy_map[phy_addr];
+ phydev = lp->mii_bus->phy_map[phy_addr];
break;
}
}
@@ -762,23 +762,29 @@
int err;
int i;
- lp->mii_bus.name = "tc35815_mii_bus";
- lp->mii_bus.read = tc_mdio_read;
- lp->mii_bus.write = tc_mdio_write;
- snprintf(lp->mii_bus.id, MII_BUS_ID_SIZE, "%x",
- (lp->pci_dev->bus->number << 8) | lp->pci_dev->devfn);
- lp->mii_bus.priv = dev;
- lp->mii_bus.parent = &lp->pci_dev->dev;
- lp->mii_bus.irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
- if (!lp->mii_bus.irq) {
+ lp->mii_bus = mdiobus_alloc();
+ if (lp->mii_bus == NULL) {
err = -ENOMEM;
goto err_out;
}
- for (i = 0; i < PHY_MAX_ADDR; i++)
- lp->mii_bus.irq[i] = PHY_POLL;
+ lp->mii_bus->name = "tc35815_mii_bus";
+ lp->mii_bus->read = tc_mdio_read;
+ lp->mii_bus->write = tc_mdio_write;
+ snprintf(lp->mii_bus->id, MII_BUS_ID_SIZE, "%x",
+ (lp->pci_dev->bus->number << 8) | lp->pci_dev->devfn);
+ lp->mii_bus->priv = dev;
+ lp->mii_bus->parent = &lp->pci_dev->dev;
+ lp->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
+ if (!lp->mii_bus->irq) {
+ err = -ENOMEM;
+ goto err_out_free_mii_bus;
+ }
- err = mdiobus_register(&lp->mii_bus);
+ for (i = 0; i < PHY_MAX_ADDR; i++)
+ lp->mii_bus->irq[i] = PHY_POLL;
+
+ err = mdiobus_register(lp->mii_bus);
if (err)
goto err_out_free_mdio_irq;
err = tc_mii_probe(dev);
@@ -787,9 +793,11 @@
return 0;
err_out_unregister_bus:
- mdiobus_unregister(&lp->mii_bus);
+ mdiobus_unregister(lp->mii_bus);
err_out_free_mdio_irq:
- kfree(lp->mii_bus.irq);
+ kfree(lp->mii_bus->irq);
+err_out_free_mii_bus;
+ mdiobus_free(lp->mii_bus);
err_out:
return err;
}
@@ -961,8 +969,9 @@
struct tc35815_local *lp = netdev_priv(dev);
phy_disconnect(lp->phy_dev);
- mdiobus_unregister(&lp->mii_bus);
- kfree(lp->mii_bus.irq);
+ mdiobus_unregister(lp->mii_bus);
+ kfree(lp->mii_bus->irq);
+ mdiobus_free(lp->mii_bus);
unregister_netdev(dev);
free_netdev(dev);
pci_set_drvdata(pdev, NULL);