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SubjectRe: [PATCH] fix 3c509.c for MCA drivers
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Date
>>>>> "James" == James Bottomley <James.Bottomley@steeleye.com> writes:

James> I've put the el3_probe back into Space.c for ISA only otherwise
James> the driver won't work for ISA (could someone with an ISA card
James> test this).

I've managed to finally get it to compile/work for ISA/ISA-PNP. I
checked the stuff was working properly *without* el3_probe in Space.c.
I also restored the 'ether=' functionality.

Anyway, this part of the code (ISA/ISA-PNP) is a real mess, and I wish
somebody who knows what he's doing would clean it up.

M.

===== drivers/net/3c509.c 1.25.1.5 vs 1.34 =====
--- 1.25.1.5/drivers/net/3c509.c Mon Feb 3 08:35:11 2003
+++ 1.34/drivers/net/3c509.c Sat Feb 8 17:17:14 2003
@@ -338,16 +338,6 @@
dev->watchdog_timeo = TX_TIMEOUT;
dev->do_ioctl = netdev_ioctl;

-#ifdef CONFIG_PM
- /* register power management */
- lp->pmdev = pm_register(PM_ISA_DEV, card_idx, el3_pm_callback);
- if (lp->pmdev) {
- struct pm_dev *p;
- p = lp->pmdev;
- p->data = (struct net_device *)dev;
- }
-#endif
-
return 0;
}

@@ -417,6 +407,13 @@
phys_addr[j] =
htons(read_eeprom(ioaddr, j));
if_port = read_eeprom(ioaddr, 8) >> 14;
+ if (!(dev = init_etherdev(NULL, sizeof(struct el3_private)))) {
+ release_region(ioaddr, EL3_IO_EXTENT);
+ pnp_device_detach(idev);
+ return -ENOMEM;
+ }
+
+ SET_MODULE_OWNER(dev);
pnp_cards++;
goto found;
}
@@ -497,24 +494,29 @@
}
irq = id_read_eeprom(9) >> 12;

-#if 0 /* Huh ?
- Can someone explain what is this for ? */
- if (dev) { /* Set passed-in IRQ or I/O Addr. */
- if (dev->irq > 1 && dev->irq < 16)
+ if (!(dev = init_etherdev(NULL, sizeof(struct el3_private))))
+ return -ENOMEM;
+
+ SET_MODULE_OWNER(dev);
+
+ /* Set passed-in IRQ or I/O Addr. */
+ if (dev->irq > 1 && dev->irq < 16)
irq = dev->irq;

- if (dev->base_addr) {
+ if (dev->base_addr) {
if (dev->mem_end == 0x3c509 /* Magic key */
&& dev->base_addr >= 0x200 && dev->base_addr <= 0x3e0)
- ioaddr = dev->base_addr & 0x3f0;
- else if (dev->base_addr != ioaddr)
- return -ENODEV;
- }
+ ioaddr = dev->base_addr & 0x3f0;
+ else if (dev->base_addr != ioaddr) {
+ unregister_netdev (dev);
+ return -ENODEV;
+ }
}
-#endif

- if (!request_region(ioaddr, EL3_IO_EXTENT, "3c509"))
- return -EBUSY;
+ if (!request_region(ioaddr, EL3_IO_EXTENT, "3c509")) {
+ unregister_netdev (dev);
+ return -EBUSY;
+ }

/* Set the adaptor tag so that the next card can be found. */
outb(0xd0 + ++current_tag, id_port);
@@ -524,19 +526,15 @@

EL3WINDOW(0);
if (inw(ioaddr) != 0x6d50) {
+ unregister_netdev (dev);
release_region(ioaddr, EL3_IO_EXTENT);
return -ENODEV;
}

/* Free the interrupt so that some other card can use it. */
outw(0x0f00, ioaddr + WN0_IRQ);
-
- dev = init_etherdev(NULL, sizeof(struct el3_private));
- if (dev == NULL) {
- release_region(ioaddr, EL3_IO_EXTENT);
- return -ENOMEM;
- }
- SET_MODULE_OWNER(dev);
+
+ found: /* PNP jumps here... */

memcpy(dev->dev_addr, phys_addr, sizeof(phys_addr));
dev->base_addr = ioaddr;
@@ -545,6 +543,16 @@
lp = dev->priv;
#ifdef __ISAPNP__
lp->dev = &idev->dev;
+#endif
+
+#ifdef CONFIG_PM
+ /* register power management */
+ lp->pmdev = pm_register(PM_ISA_DEV, card_idx, el3_pm_callback);
+ if (lp->pmdev) {
+ struct pm_dev *p;
+ p = lp->pmdev;
+ p->data = (struct net_device *)dev;
+ }
#endif

return el3_common_init (dev);
===== drivers/net/Space.c 1.11.1.5 vs 1.19 =====
--- 1.11.1.5/drivers/net/Space.c Mon Feb 3 08:35:11 2003
+++ 1.19/drivers/net/Space.c Sat Feb 8 17:18:21 2003
@@ -224,9 +224,6 @@
#ifdef CONFIG_EL2 /* 3c503 */
{el2_probe, 0},
#endif
-#ifdef CONFIG_EL3
- {el3_probe, 0},
-#endif
#ifdef CONFIG_HPLAN
{hp_probe, 0},
#endif
--
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