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[NET] sunbmac: Convert over to new SBUS device framework.

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-06-23 18:48:04 -07:00
parent c2d81e63ce
commit 52a34c7fe4
2 changed files with 59 additions and 65 deletions
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123
drivers/net/sunbmac.c
View File

@ -72,8 +72,6 @@ MODULE_LICENSE("GPL");
#define DIRQ(x)
#endif
static struct bigmac *root_bigmac_dev;
#define DEFAULT_JAMSIZE 4 /* Toe jam */
#define QEC_RESET_TRIES 200
@ -491,7 +489,7 @@ static void bigmac_tcvr_init(struct bigmac *bp)
}
}
static int bigmac_init(struct bigmac *, int);
static int bigmac_init_hw(struct bigmac *, int);
static int try_next_permutation(struct bigmac *bp, void __iomem *tregs)
{
@ -551,7 +549,7 @@ static void bigmac_timer(unsigned long data)
if (ret == -1) {
printk(KERN_ERR "%s: Link down, cable problem?\n",
bp->dev->name);
ret = bigmac_init(bp, 0);
ret = bigmac_init_hw(bp, 0);
if (ret) {
printk(KERN_ERR "%s: Error, cannot re-init the "
"BigMAC.\n", bp->dev->name);
@ -621,7 +619,7 @@ static void bigmac_begin_auto_negotiation(struct bigmac *bp)
add_timer(&bp->bigmac_timer);
}
static int bigmac_init(struct bigmac *bp, int from_irq)
static int bigmac_init_hw(struct bigmac *bp, int from_irq)
{
void __iomem *gregs = bp->gregs;
void __iomem *cregs = bp->creg;
@ -752,7 +750,7 @@ static void bigmac_is_medium_rare(struct bigmac *bp, u32 qec_status, u32 bmac_st
}
printk(" RESET\n");
bigmac_init(bp, 1);
bigmac_init_hw(bp, 1);
}
/* BigMAC transmit complete service routines. */
@ -926,7 +924,7 @@ static int bigmac_open(struct net_device *dev)
return ret;
}
init_timer(&bp->bigmac_timer);
ret = bigmac_init(bp, 0);
ret = bigmac_init_hw(bp, 0);
if (ret)
free_irq(dev->irq, bp);
return ret;
@ -950,7 +948,7 @@ static void bigmac_tx_timeout(struct net_device *dev)
{
struct bigmac *bp = (struct bigmac *) dev->priv;
bigmac_init(bp, 0);
bigmac_init_hw(bp, 0);
netif_wake_queue(dev);
}
@ -1104,6 +1102,8 @@ static int __init bigmac_ether_init(struct sbus_dev *qec_sdev)
bp->qec_sdev = qec_sdev;
bp->bigmac_sdev = qec_sdev->child;
SET_NETDEV_DEV(dev, &bp->bigmac_sdev->ofdev.dev);
spin_lock_init(&bp->lock);
/* Verify the registers we expect, are actually there. */
@ -1226,11 +1226,7 @@ static int __init bigmac_ether_init(struct sbus_dev *qec_sdev)
goto fail_and_cleanup;
}
/* Put us into the list of instances attached for later driver
* exit.
*/
bp->next_module = root_bigmac_dev;
root_bigmac_dev = bp;
dev_set_drvdata(&bp->bigmac_sdev->ofdev.dev, bp);
printk(KERN_INFO "%s: BigMAC 100baseT Ethernet ", dev->name);
for (i = 0; i < 6; i++)
@ -1266,69 +1262,68 @@ fail_and_cleanup:
/* QEC can be the parent of either QuadEthernet or
* a BigMAC. We want the latter.
*/
static int __init bigmac_match(struct sbus_dev *sdev)
static int __devinit bigmac_sbus_probe(struct of_device *dev, const struct of_device_id *match)
{
struct sbus_dev *child = sdev->child;
struct sbus_dev *sdev = to_sbus_device(&dev->dev);
struct device_node *dp = dev->node;
if (strcmp(sdev->prom_name, "qec") != 0)
return 0;
if (!strcmp(dp->name, "be"))
sdev = sdev->parent;
if (child == NULL)
return 0;
if (strcmp(child->prom_name, "be") != 0)
return 0;
return 1;
return bigmac_ether_init(sdev);
}
static int __init bigmac_probe(void)
static int __devexit bigmac_sbus_remove(struct of_device *dev)
{
struct sbus_bus *sbus;
struct sbus_dev *sdev = NULL;
static int called;
int cards = 0, v;
struct bigmac *bp = dev_get_drvdata(&dev->dev);
struct net_device *net_dev = bp->dev;
root_bigmac_dev = NULL;
unregister_netdevice(net_dev);
if (called)
return -ENODEV;
called++;
sbus_iounmap(bp->gregs, GLOB_REG_SIZE);
sbus_iounmap(bp->creg, CREG_REG_SIZE);
sbus_iounmap(bp->bregs, BMAC_REG_SIZE);
sbus_iounmap(bp->tregs, TCVR_REG_SIZE);
sbus_free_consistent(bp->bigmac_sdev,
PAGE_SIZE,
bp->bmac_block,
bp->bblock_dvma);
free_netdev(net_dev);
dev_set_drvdata(&dev->dev, NULL);
for_each_sbus(sbus) {
for_each_sbusdev(sdev, sbus) {
if (bigmac_match(sdev)) {
cards++;
if ((v = bigmac_ether_init(sdev)))
return v;
}
}
}
if (!cards)
return -ENODEV;
return 0;
}
static void __exit bigmac_cleanup(void)
static struct of_device_id bigmac_sbus_match[] = {
{
.name = "qec",
},
{
.name = "be",
},
{},
};
MODULE_DEVICE_TABLE(of, bigmac_sbus_match);
static struct of_platform_driver bigmac_sbus_driver = {
.name = "sunbmac",
.match_table = bigmac_sbus_match,
.probe = bigmac_sbus_probe,
.remove = __devexit_p(bigmac_sbus_remove),
};
static int __init bigmac_init(void)
{
while (root_bigmac_dev) {
struct bigmac *bp = root_bigmac_dev;
struct bigmac *bp_nxt = root_bigmac_dev->next_module;
sbus_iounmap(bp->gregs, GLOB_REG_SIZE);
sbus_iounmap(bp->creg, CREG_REG_SIZE);
sbus_iounmap(bp->bregs, BMAC_REG_SIZE);
sbus_iounmap(bp->tregs, TCVR_REG_SIZE);
sbus_free_consistent(bp->bigmac_sdev,
PAGE_SIZE,
bp->bmac_block,
bp->bblock_dvma);
unregister_netdev(bp->dev);
free_netdev(bp->dev);
root_bigmac_dev = bp_nxt;
}
return of_register_driver(&bigmac_sbus_driver, &sbus_bus_type);
}
module_init(bigmac_probe);
module_exit(bigmac_cleanup);
static void __exit bigmac_exit(void)
{
of_unregister_driver(&bigmac_sbus_driver);
}
module_init(bigmac_init);
module_exit(bigmac_exit);

1
drivers/net/sunbmac.h
View File

@ -332,7 +332,6 @@ struct bigmac {
struct sbus_dev *qec_sdev;
struct sbus_dev *bigmac_sdev;
struct net_device *dev;
struct bigmac *next_module;
};
/* We use this to acquire receive skb's that we can DMA directly into. */