diff options
Diffstat (limited to 'drivers/net/sunlance.c')
| -rw-r--r-- | drivers/net/sunlance.c | 173 |
1 files changed, 97 insertions, 76 deletions
diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c index 6381243d8d00..2c239ab63a80 100644 --- a/drivers/net/sunlance.c +++ b/drivers/net/sunlance.c @@ -266,7 +266,6 @@ struct lance_private { char *name; dma_addr_t init_block_dvma; struct net_device *dev; /* Backpointer */ - struct lance_private *next_module; struct sbus_dev *sdev; struct timer_list multicast_timer; }; @@ -298,8 +297,6 @@ int sparc_lance_debug = 2; #define LANCE_ADDR(x) ((long)(x) & ~0xff000000) -static struct lance_private *root_lance_dev; - /* Load the CSR registers */ static void load_csrs(struct lance_private *lp) { @@ -1327,9 +1324,9 @@ static struct ethtool_ops sparc_lance_ethtool_ops = { .get_link = sparc_lance_get_link, }; -static int __init sparc_lance_init(struct sbus_dev *sdev, - struct sbus_dma *ledma, - struct sbus_dev *lebuffer) +static int __init sparc_lance_probe_one(struct sbus_dev *sdev, + struct sbus_dma *ledma, + struct sbus_dev *lebuffer) { static unsigned version_printed; struct net_device *dev; @@ -1473,6 +1470,7 @@ no_link_test: lp->dev = dev; SET_MODULE_OWNER(dev); + SET_NETDEV_DEV(dev, &sdev->ofdev.dev); dev->open = &lance_open; dev->stop = &lance_close; dev->hard_start_xmit = &lance_start_xmit; @@ -1500,8 +1498,7 @@ no_link_test: goto fail; } - lp->next_module = root_lance_dev; - root_lance_dev = lp; + dev_set_drvdata(&sdev->ofdev.dev, lp); printk(KERN_INFO "%s: LANCE ", dev->name); @@ -1536,88 +1533,112 @@ static inline struct sbus_dma *find_ledma(struct sbus_dev *sdev) #include <asm/machines.h> /* Find all the lance cards on the system and initialize them */ -static int __init sparc_lance_probe(void) +static struct sbus_dev sun4_sdev; +static int __init sparc_lance_init(void) { - static struct sbus_dev sdev; - static int called; - - root_lance_dev = NULL; - - if (called) - return -ENODEV; - called++; - if ((idprom->id_machtype == (SM_SUN4|SM_4_330)) || (idprom->id_machtype == (SM_SUN4|SM_4_470))) { - memset(&sdev, 0, sizeof(sdev)); - sdev.reg_addrs[0].phys_addr = sun4_eth_physaddr; - sdev.irqs[0] = 6; - return sparc_lance_init(&sdev, NULL, NULL); + memset(&sun4_sdev, 0, sizeof(sdev)); + sun4_sdev.reg_addrs[0].phys_addr = sun4_eth_physaddr; + sun4_sdev.irqs[0] = 6; + return sparc_lance_probe_one(&sun4_sdev, NULL, NULL); } return -ENODEV; } -#else /* !CONFIG_SUN4 */ - -/* Find all the lance cards on the system and initialize them */ -static int __init sparc_lance_probe(void) +static int __exit sunlance_sun4_remove(void) { - struct sbus_bus *bus; - struct sbus_dev *sdev = NULL; - struct sbus_dma *ledma = NULL; - static int called; - int cards = 0, v; - - root_lance_dev = NULL; - - if (called) - return -ENODEV; - called++; - - for_each_sbus (bus) { - for_each_sbusdev (sdev, bus) { - if (strcmp(sdev->prom_name, "le") == 0) { - cards++; - if ((v = sparc_lance_init(sdev, NULL, NULL))) - return v; - continue; - } - if (strcmp(sdev->prom_name, "ledma") == 0) { - cards++; - ledma = find_ledma(sdev); - if ((v = sparc_lance_init(sdev->child, - ledma, NULL))) - return v; - continue; - } - if (strcmp(sdev->prom_name, "lebuffer") == 0){ - cards++; - if ((v = sparc_lance_init(sdev->child, - NULL, sdev))) - return v; - continue; - } - } /* for each sbusdev */ - } /* for each sbus */ - if (!cards) - return -ENODEV; + struct lance_private *lp = dev_get_drvdata(&sun4_sdev->dev); + struct net_device *net_dev = lp->dev; + + unregister_netdevice(net_dev); + + lance_free_hwresources(root_lance_dev); + + free_netdev(net_dev); + + dev_set_drvdata(&sun4_sdev->dev, NULL); + return 0; } -#endif /* !CONFIG_SUN4 */ -static void __exit sparc_lance_cleanup(void) +#else /* !CONFIG_SUN4 */ + +static int __devinit sunlance_sbus_probe(struct of_device *dev, const struct of_device_id *match) { - struct lance_private *lp; + struct sbus_dev *sdev = to_sbus_device(&dev->dev); + struct device_node *dp = dev->node; + int err; + + if (!strcmp(dp->name, "le")) { + err = sparc_lance_probe_one(sdev, NULL, NULL); + } else if (!strcmp(dp->name, "ledma")) { + struct sbus_dma *ledma = find_ledma(sdev); - while (root_lance_dev) { - lp = root_lance_dev->next_module; + err = sparc_lance_probe_one(sdev->child, ledma, NULL); + } else { + BUG_ON(strcmp(dp->name, "lebuffer")); - unregister_netdev(root_lance_dev->dev); - lance_free_hwresources(root_lance_dev); - free_netdev(root_lance_dev->dev); - root_lance_dev = lp; + err = sparc_lance_probe_one(sdev->child, NULL, sdev); } + + return err; +} + +static int __devexit sunlance_sbus_remove(struct of_device *dev) +{ + struct lance_private *lp = dev_get_drvdata(&dev->dev); + struct net_device *net_dev = lp->dev; + + unregister_netdevice(net_dev); + + lance_free_hwresources(lp); + + free_netdev(net_dev); + + dev_set_drvdata(&dev->dev, NULL); + + return 0; +} + +static struct of_device_id sunlance_sbus_match[] = { + { + .name = "le", + }, + { + .name = "ledma", + }, + { + .name = "lebuffer", + }, + {}, +}; + +MODULE_DEVICE_TABLE(of, sunlance_sbus_match); + +static struct of_platform_driver sunlance_sbus_driver = { + .name = "sunlance", + .match_table = sunlance_sbus_match, + .probe = sunlance_sbus_probe, + .remove = __devexit_p(sunlance_sbus_remove), +}; + + +/* Find all the lance cards on the system and initialize them */ +static int __init sparc_lance_init(void) +{ + return of_register_driver(&sunlance_sbus_driver, &sbus_bus_type); +} +#endif /* !CONFIG_SUN4 */ + +static void __exit sparc_lance_exit(void) +{ +#ifdef CONFIG_SUN4 + sunlance_sun4_remove(); +#else + of_unregister_driver(&sunlance_sbus_driver); +#endif } -module_init(sparc_lance_probe); -module_exit(sparc_lance_cleanup); +module_init(sparc_lance_init); +module_exit(sparc_lance_exit); |