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authorLennert Buytenhek <buytenh@marvell.com>2008-10-08 16:29:57 -0700
committerDavid S. Miller <davem@davemloft.net>2008-10-08 16:29:57 -0700
commit298cf9beb9679522de995e249eccbd82f7c51999 (patch)
treecabbc9c696a063982aea9a24d8caa667daa33a1a /drivers/net/sb1250-mac.c
parent18ee49ddb0d242ed1d0e273038d5e4f6de7379d3 (diff)
downloadlinux-298cf9beb9679522de995e249eccbd82f7c51999.tar.bz2
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>
Diffstat (limited to 'drivers/net/sb1250-mac.c')
-rw-r--r--drivers/net/sb1250-mac.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c
index d0ee735590bb..2615d46e6e50 100644
--- a/drivers/net/sb1250-mac.c
+++ b/drivers/net/sb1250-mac.c
@@ -256,7 +256,7 @@ struct sbmac_softc {
struct net_device *sbm_dev; /* pointer to linux device */
struct napi_struct napi;
struct phy_device *phy_dev; /* the associated PHY device */
- struct mii_bus mii_bus; /* the MII bus */
+ struct mii_bus *mii_bus; /* the MII bus */
int phy_irq[PHY_MAX_ADDR];
spinlock_t sbm_lock; /* spin lock */
int sbm_devflags; /* current device flags */
@@ -2348,10 +2348,17 @@ static int sbmac_init(struct platform_device *pldev, long long base)
/* This is needed for PASS2 for Rx H/W checksum feature */
sbmac_set_iphdr_offset(sc);
+ sc->mii_bus = mdiobus_alloc();
+ if (sc->mii_bus == NULL) {
+ sbmac_uninitctx(sc);
+ return -ENOMEM;
+ }
+
err = register_netdev(dev);
if (err) {
printk(KERN_ERR "%s.%d: unable to register netdev\n",
sbmac_string, idx);
+ mdiobus_free(sc->mii_bus);
sbmac_uninitctx(sc);
return err;
}
@@ -2369,17 +2376,17 @@ static int sbmac_init(struct platform_device *pldev, long long base)
pr_info("%s: SiByte Ethernet at 0x%08Lx, address: %s\n",
dev->name, base, print_mac(mac, eaddr));
- sc->mii_bus.name = sbmac_mdio_string;
- snprintf(sc->mii_bus.id, MII_BUS_ID_SIZE, "%x", idx);
- sc->mii_bus.priv = sc;
- sc->mii_bus.read = sbmac_mii_read;
- sc->mii_bus.write = sbmac_mii_write;
- sc->mii_bus.irq = sc->phy_irq;
+ sc->mii_bus->name = sbmac_mdio_string;
+ snprintf(sc->mii_bus->id, MII_BUS_ID_SIZE, "%x", idx);
+ sc->mii_bus->priv = sc;
+ sc->mii_bus->read = sbmac_mii_read;
+ sc->mii_bus->write = sbmac_mii_write;
+ sc->mii_bus->irq = sc->phy_irq;
for (i = 0; i < PHY_MAX_ADDR; ++i)
- sc->mii_bus.irq[i] = SBMAC_PHY_INT;
+ sc->mii_bus->irq[i] = SBMAC_PHY_INT;
- sc->mii_bus.parent = &pldev->dev;
- dev_set_drvdata(&pldev->dev, &sc->mii_bus);
+ sc->mii_bus->parent = &pldev->dev;
+ dev_set_drvdata(&pldev->dev, sc->mii_bus);
return 0;
}
@@ -2410,7 +2417,7 @@ static int sbmac_open(struct net_device *dev)
/*
* Probe PHY address
*/
- err = mdiobus_register(&sc->mii_bus);
+ err = mdiobus_register(sc->mii_bus);
if (err) {
printk(KERN_ERR "%s: unable to register MDIO bus\n",
dev->name);
@@ -2447,7 +2454,7 @@ static int sbmac_open(struct net_device *dev)
return 0;
out_unregister:
- mdiobus_unregister(&sc->mii_bus);
+ mdiobus_unregister(sc->mii_bus);
out_unirq:
free_irq(dev->irq, dev);
@@ -2463,7 +2470,7 @@ static int sbmac_mii_probe(struct net_device *dev)
int i;
for (i = 0; i < PHY_MAX_ADDR; i++) {
- phy_dev = sc->mii_bus.phy_map[i];
+ phy_dev = sc->mii_bus->phy_map[i];
if (phy_dev)
break;
}
@@ -2641,7 +2648,7 @@ static int sbmac_close(struct net_device *dev)
phy_disconnect(sc->phy_dev);
sc->phy_dev = NULL;
- mdiobus_unregister(&sc->mii_bus);
+ mdiobus_unregister(sc->mii_bus);
free_irq(dev->irq, dev);
@@ -2750,6 +2757,7 @@ static int __exit sbmac_remove(struct platform_device *pldev)
unregister_netdev(dev);
sbmac_uninitctx(sc);
+ mdiobus_free(sc->mii_bus);
iounmap(sc->sbm_base);
free_netdev(dev);