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/bfin_mac.c b/drivers/net/bfin_mac.c
index df896e2..a0d41c5 100644
--- a/drivers/net/bfin_mac.c
+++ b/drivers/net/bfin_mac.c
@@ -398,7 +398,7 @@
/* search for connect PHY device */
for (i = 0; i < PHY_MAX_ADDR; i++) {
- struct phy_device *const tmp_phydev = lp->mii_bus.phy_map[i];
+ struct phy_device *const tmp_phydev = lp->mii_bus->phy_map[i];
if (!tmp_phydev)
continue; /* no PHY here... */
@@ -1058,17 +1058,21 @@
setup_mac_addr(ndev->dev_addr);
/* MDIO bus initial */
- lp->mii_bus.priv = ndev;
- lp->mii_bus.read = mdiobus_read;
- lp->mii_bus.write = mdiobus_write;
- lp->mii_bus.reset = mdiobus_reset;
- lp->mii_bus.name = "bfin_mac_mdio";
- snprintf(lp->mii_bus.id, MII_BUS_ID_SIZE, "0");
- lp->mii_bus.irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
- for (i = 0; i < PHY_MAX_ADDR; ++i)
- lp->mii_bus.irq[i] = PHY_POLL;
+ lp->mii_bus = mdiobus_alloc();
+ if (lp->mii_bus == NULL)
+ goto out_err_mdiobus_alloc;
- rc = mdiobus_register(&lp->mii_bus);
+ lp->mii_bus->priv = ndev;
+ lp->mii_bus->read = mdiobus_read;
+ lp->mii_bus->write = mdiobus_write;
+ lp->mii_bus->reset = mdiobus_reset;
+ lp->mii_bus->name = "bfin_mac_mdio";
+ snprintf(lp->mii_bus->id, MII_BUS_ID_SIZE, "0");
+ lp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
+ for (i = 0; i < PHY_MAX_ADDR; ++i)
+ lp->mii_bus->irq[i] = PHY_POLL;
+
+ rc = mdiobus_register(lp->mii_bus);
if (rc) {
dev_err(&pdev->dev, "Cannot register MDIO bus!\n");
goto out_err_mdiobus_register;
@@ -1121,8 +1125,10 @@
free_irq(IRQ_MAC_RX, ndev);
out_err_request_irq:
out_err_mii_probe:
- mdiobus_unregister(&lp->mii_bus);
+ mdiobus_unregister(lp->mii_bus);
out_err_mdiobus_register:
+ mdiobus_free(lp->mii_bus);
+out_err_mdiobus_alloc:
peripheral_free_list(pin_req);
out_err_setup_pin_mux:
out_err_probe_mac:
@@ -1139,7 +1145,8 @@
platform_set_drvdata(pdev, NULL);
- mdiobus_unregister(&lp->mii_bus);
+ mdiobus_unregister(lp->mii_bus);
+ mdiobus_free(lp->mii_bus);
unregister_netdev(ndev);