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Convert SGI IP22 and specific drivers to platform_device.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2007-05-11 15:48:58 +01:00
parent 129a84de23
commit df9f54084f
6 changed files with 387 additions and 202 deletions
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85
drivers/net/sgiseeq.c
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@@ -16,11 +16,13 @@
#include <linux/string.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/platform_device.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <asm/sgi/hpc3.h>
#include <asm/sgi/ip22.h>
#include <asm/sgi/seeq.h>
#include "sgiseeq.h"
@@ -92,13 +94,9 @@ struct sgiseeq_private {
struct net_device_stats stats;
struct net_device *next_module;
spinlock_t tx_lock;
};
/* A list of all installed seeq devices, for removing the driver module. */
static struct net_device *root_sgiseeq_dev;
static inline void hpc3_eth_reset(struct hpc3_ethregs *hregs)
{
hregs->reset = HPC3_ERST_CRESET | HPC3_ERST_CLRIRQ;
@@ -624,9 +622,12 @@ static inline void setup_rx_ring(struct sgiseeq_rx_desc *buf, int nbufs)
#define ALIGNED(x) ((((unsigned long)(x)) + 0xf) & ~(0xf))
static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom)
static int __init sgiseeq_probe(struct platform_device *pdev)
{
struct sgiseeq_platform_data *pd = pdev->dev.platform_data;
struct hpc3_regs *hpcregs = pd->hpc;
struct sgiseeq_init_block *sr;
unsigned int irq = pd->irq;
struct sgiseeq_private *sp;
struct net_device *dev;
int err, i;
@@ -637,6 +638,8 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom)
err = -ENOMEM;
goto err_out;
}
platform_set_drvdata(pdev, dev);
sp = netdev_priv(dev);
/* Make private data page aligned */
@@ -648,15 +651,7 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom)
}
sp->srings = sr;
#define EADDR_NVOFS 250
for (i = 0; i < 3; i++) {
unsigned short tmp = has_eeprom ?
ip22_eeprom_read(&hpcregs->eeprom, EADDR_NVOFS / 2+i) :
ip22_nvram_read(EADDR_NVOFS / 2+i);
dev->dev_addr[2 * i] = tmp >> 8;
dev->dev_addr[2 * i + 1] = tmp & 0xff;
}
memcpy(dev->dev_addr, pd->mac, ETH_ALEN);
#ifdef DEBUG
gpriv = sp;
@@ -720,9 +715,6 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom)
for (i = 0; i < 6; i++)
printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');
sp->next_module = root_sgiseeq_dev;
root_sgiseeq_dev = dev;
return 0;
err_out_free_page:
@@ -734,43 +726,42 @@ err_out:
return err;
}
static int __init sgiseeq_probe(void)
static void __exit sgiseeq_remove(struct platform_device *pdev)
{
unsigned int tmp, ret1, ret2 = 0;
struct net_device *dev = platform_get_drvdata(pdev);
struct sgiseeq_private *sp = netdev_priv(dev);
/* On board adapter on 1st HPC is always present */
ret1 = sgiseeq_init(hpc3c0, SGI_ENET_IRQ, 0);
/* Let's see if second HPC is there */
if (!(ip22_is_fullhouse()) &&
get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1]) == 0) {
sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 |
SGIMC_GIOPAR_EXP164 |
SGIMC_GIOPAR_HPC264;
hpc3c1->pbus_piocfg[0][0] = 0x3ffff;
/* interrupt/config register on Challenge S Mezz board */
hpc3c1->pbus_extregs[0][0] = 0x30;
ret2 = sgiseeq_init(hpc3c1, SGI_GIO_0_IRQ, 1);
}
return (ret1 & ret2) ? ret1 : 0;
unregister_netdev(dev);
free_page((unsigned long) sp->srings);
free_netdev(dev);
platform_set_drvdata(pdev, NULL);
}
static void __exit sgiseeq_exit(void)
{
struct net_device *next, *dev;
struct sgiseeq_private *sp;
for (dev = root_sgiseeq_dev; dev; dev = next) {
sp = (struct sgiseeq_private *) netdev_priv(dev);
next = sp->next_module;
unregister_netdev(dev);
free_page((unsigned long) sp->srings);
free_netdev(dev);
static struct platform_driver sgiseeq_driver = {
.probe = sgiseeq_probe,
.remove = __devexit_p(sgiseeq_remove),
.driver = {
.name = "sgiseeq"
}
};
static int __init sgiseeq_module_init(void)
{
if (platform_driver_register(&sgiseeq_driver)) {
printk(KERN_ERR "Driver registration failed\n");
return -ENODEV;
}
return 0;
}
module_init(sgiseeq_probe);
module_exit(sgiseeq_exit);
static void __exit sgiseeq_module_exit(void)
{
platform_driver_unregister(&sgiseeq_driver);
}
module_init(sgiseeq_module_init);
module_exit(sgiseeq_module_exit);
MODULE_DESCRIPTION("SGI Seeq 8003 driver");
MODULE_AUTHOR("Linux/MIPS Mailing List <linux-mips@linux-mips.org>");