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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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51
drivers/net/cpmac.c
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@ -302,13 +302,7 @@ static int cpmac_mdio_reset(struct mii_bus *bus)
static int mii_irqs[PHY_MAX_ADDR] = { PHY_POLL, };
static struct mii_bus cpmac_mii = {
.name = "cpmac-mii",
.read = cpmac_mdio_read,
.write = cpmac_mdio_write,
.reset = cpmac_mdio_reset,
.irq = mii_irqs,
};
static struct mii_bus *cpmac_mii;
static int cpmac_config(struct net_device *dev, struct ifmap *map)
{
@ -1116,7 +1110,7 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
for (phy_id = 0; phy_id < PHY_MAX_ADDR; phy_id++) {
if (!(pdata->phy_mask & (1 << phy_id)))
continue;
if (!cpmac_mii.phy_map[phy_id])
if (!cpmac_mii->phy_map[phy_id])
continue;
break;
}
@ -1168,7 +1162,7 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
priv->msg_enable = netif_msg_init(debug_level, 0xff);
memcpy(dev->dev_addr, pdata->dev_addr, sizeof(dev->dev_addr));
priv->phy = phy_connect(dev, cpmac_mii.phy_map[phy_id]->dev.bus_id,
priv->phy = phy_connect(dev, cpmac_mii->phy_map[phy_id]->dev.bus_id,
&cpmac_adjust_link, 0, PHY_INTERFACE_MODE_MII);
if (IS_ERR(priv->phy)) {
if (netif_msg_drv(priv))
@ -1216,11 +1210,22 @@ int __devinit cpmac_init(void)
u32 mask;
int i, res;
cpmac_mii.priv = ioremap(AR7_REGS_MDIO, 256);
cpmac_mii = mdiobus_alloc();
if (cpmac_mii == NULL)
return -ENOMEM;
if (!cpmac_mii.priv) {
cpmac_mii->name = "cpmac-mii";
cpmac_mii->read = cpmac_mdio_read;
cpmac_mii->write = cpmac_mdio_write;
cpmac_mii->reset = cpmac_mdio_reset;
cpmac_mii->irq = mii_irqs;
cpmac_mii->priv = ioremap(AR7_REGS_MDIO, 256);
if (!cpmac_mii->priv) {
printk(KERN_ERR "Can't ioremap mdio registers\n");
return -ENXIO;
res = -ENXIO;
goto fail_alloc;
}
#warning FIXME: unhardcode gpio&reset bits
@ -1230,10 +1235,10 @@ int __devinit cpmac_init(void)
ar7_device_reset(AR7_RESET_BIT_CPMAC_HI);
ar7_device_reset(AR7_RESET_BIT_EPHY);
cpmac_mii.reset(&cpmac_mii);
cpmac_mii->reset(cpmac_mii);
for (i = 0; i < 300000; i++)
if ((mask = cpmac_read(cpmac_mii.priv, CPMAC_MDIO_ALIVE)))
if ((mask = cpmac_read(cpmac_mii->priv, CPMAC_MDIO_ALIVE)))
break;
else
cpu_relax();
@ -1244,10 +1249,10 @@ int __devinit cpmac_init(void)
mask = 0;
}
cpmac_mii.phy_mask = ~(mask | 0x80000000);
snprintf(cpmac_mii.id, MII_BUS_ID_SIZE, "0");
cpmac_mii->phy_mask = ~(mask | 0x80000000);
snprintf(cpmac_mii->id, MII_BUS_ID_SIZE, "0");
res = mdiobus_register(&cpmac_mii);
res = mdiobus_register(cpmac_mii);
if (res)
goto fail_mii;
@ -1258,10 +1263,13 @@ int __devinit cpmac_init(void)
return 0;
fail_cpmac:
mdiobus_unregister(&cpmac_mii);
mdiobus_unregister(cpmac_mii);
fail_mii:
iounmap(cpmac_mii.priv);
iounmap(cpmac_mii->priv);
fail_alloc:
mdiobus_free(cpmac_mii);
return res;
}
@ -1269,8 +1277,9 @@ fail_mii:
void __devexit cpmac_exit(void)
{
platform_driver_unregister(&cpmac_driver);
mdiobus_unregister(&cpmac_mii);
iounmap(cpmac_mii.priv);
mdiobus_unregister(cpmac_mii);
mdiobus_free(cpmac_mii);
iounmap(cpmac_mii->priv);
}
module_init(cpmac_init);