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/macb.c b/drivers/net/macb.c
index 045361f..01f7a31 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -195,8 +195,8 @@
/* find the first phy */
for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
- if (bp->mii_bus.phy_map[phy_addr]) {
- phydev = bp->mii_bus.phy_map[phy_addr];
+ if (bp->mii_bus->phy_map[phy_addr]) {
+ phydev = bp->mii_bus->phy_map[phy_addr];
break;
}
}
@@ -244,30 +244,36 @@
/* Enable managment port */
macb_writel(bp, NCR, MACB_BIT(MPE));
- bp->mii_bus.name = "MACB_mii_bus";
- bp->mii_bus.read = &macb_mdio_read;
- bp->mii_bus.write = &macb_mdio_write;
- bp->mii_bus.reset = &macb_mdio_reset;
- snprintf(bp->mii_bus.id, MII_BUS_ID_SIZE, "%x", bp->pdev->id);
- bp->mii_bus.priv = bp;
- bp->mii_bus.parent = &bp->dev->dev;
- pdata = bp->pdev->dev.platform_data;
-
- if (pdata)
- bp->mii_bus.phy_mask = pdata->phy_mask;
-
- bp->mii_bus.irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
- if (!bp->mii_bus.irq) {
+ bp->mii_bus = mdiobus_alloc();
+ if (bp->mii_bus == NULL) {
err = -ENOMEM;
goto err_out;
}
+ bp->mii_bus->name = "MACB_mii_bus";
+ bp->mii_bus->read = &macb_mdio_read;
+ bp->mii_bus->write = &macb_mdio_write;
+ bp->mii_bus->reset = &macb_mdio_reset;
+ snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%x", bp->pdev->id);
+ bp->mii_bus->priv = bp;
+ bp->mii_bus->parent = &bp->dev->dev;
+ pdata = bp->pdev->dev.platform_data;
+
+ if (pdata)
+ bp->mii_bus->phy_mask = pdata->phy_mask;
+
+ bp->mii_bus->irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
+ if (!bp->mii_bus->irq) {
+ err = -ENOMEM;
+ goto err_out_free_mdiobus;
+ }
+
for (i = 0; i < PHY_MAX_ADDR; i++)
- bp->mii_bus.irq[i] = PHY_POLL;
+ bp->mii_bus->irq[i] = PHY_POLL;
- platform_set_drvdata(bp->dev, &bp->mii_bus);
+ platform_set_drvdata(bp->dev, bp->mii_bus);
- if (mdiobus_register(&bp->mii_bus))
+ if (mdiobus_register(bp->mii_bus))
goto err_out_free_mdio_irq;
if (macb_mii_probe(bp->dev) != 0) {
@@ -277,9 +283,11 @@
return 0;
err_out_unregister_bus:
- mdiobus_unregister(&bp->mii_bus);
+ mdiobus_unregister(bp->mii_bus);
err_out_free_mdio_irq:
- kfree(bp->mii_bus.irq);
+ kfree(bp->mii_bus->irq);
+err_out_free_mdiobus:
+ mdiobus_free(bp->mii_bus);
err_out:
return err;
}
@@ -1261,8 +1269,9 @@
bp = netdev_priv(dev);
if (bp->phy_dev)
phy_disconnect(bp->phy_dev);
- mdiobus_unregister(&bp->mii_bus);
- kfree(bp->mii_bus.irq);
+ mdiobus_unregister(bp->mii_bus);
+ kfree(bp->mii_bus->irq);
+ mdiobus_free(bp->mii_bus);
unregister_netdev(dev);
free_irq(dev->irq, dev);
iounmap(bp->regs);