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phylib: move to dynamic allocation of struct mii_bus

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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>
This commit is contained in:
Lennert Buytenhek
2008-10-08 16:29:57 -07:00
committed by David S. Miller
parent 18ee49ddb0
commit 298cf9beb9
23 changed files with 285 additions and 191 deletions
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31
drivers/net/phy/fixed.c
View File

@ -24,7 +24,7 @@
struct fixed_mdio_bus {
int irqs[PHY_MAX_ADDR];
struct mii_bus mii_bus;
struct mii_bus *mii_bus;
struct list_head phys;
};
@ -213,19 +213,27 @@ static int __init fixed_mdio_bus_init(void)
goto err_pdev;
}
snprintf(fmb->mii_bus.id, MII_BUS_ID_SIZE, "0");
fmb->mii_bus.name = "Fixed MDIO Bus";
fmb->mii_bus.parent = &pdev->dev;
fmb->mii_bus.read = &fixed_mdio_read;
fmb->mii_bus.write = &fixed_mdio_write;
fmb->mii_bus.irq = fmb->irqs;
ret = mdiobus_register(&fmb->mii_bus);
if (ret)
fmb->mii_bus = mdiobus_alloc();
if (fmb->mii_bus == NULL) {
ret = -ENOMEM;
goto err_mdiobus_reg;
}
snprintf(fmb->mii_bus->id, MII_BUS_ID_SIZE, "0");
fmb->mii_bus->name = "Fixed MDIO Bus";
fmb->mii_bus->parent = &pdev->dev;
fmb->mii_bus->read = &fixed_mdio_read;
fmb->mii_bus->write = &fixed_mdio_write;
fmb->mii_bus->irq = fmb->irqs;
ret = mdiobus_register(fmb->mii_bus);
if (ret)
goto err_mdiobus_alloc;
return 0;
err_mdiobus_alloc:
mdiobus_free(fmb->mii_bus);
err_mdiobus_reg:
platform_device_unregister(pdev);
err_pdev:
@ -238,7 +246,8 @@ static void __exit fixed_mdio_bus_exit(void)
struct fixed_mdio_bus *fmb = &platform_fmb;
struct fixed_phy *fp, *tmp;
mdiobus_unregister(&fmb->mii_bus);
mdiobus_unregister(fmb->mii_bus);
mdiobus_free(fmb->mii_bus);
platform_device_unregister(pdev);
list_for_each_entry_safe(fp, tmp, &fmb->phys, node) {