Re: 2.5.60 3c509 & net/Space.c problem

From: Andrew Morton (akpm@digeo.com)
Date: Mon Feb 10 2003 - 21:26:19 EST


Mikael Pettersson <mikpe@csd.uu.se> wrote:
>
> >From Linus' 2.5.60 announcement:
>
> >James Bottomley <james.bottomley@steeleye.com>:
> > o 3c509 fixes: correct MCA probing, add back ISA probe to Space.c
>
> This is somewhat broken. patch-2.5.60 has
>
>

I'm looking for someone to pump some bytes through this fix.

Patch from Marc Zyngier <mzyngier@freesurf.fr>

 drivers/net/3c509.c | 66 +++++++++++++++++++++++++++++-----------------------
 drivers/net/Space.c | 3 --
 2 files changed, 37 insertions(+), 32 deletions(-)

diff -puN drivers/net/3c509.c~3c509 drivers/net/3c509.c
--- 25/drivers/net/3c509.c~3c509 Mon Feb 10 17:34:37 2003
+++ 25-akpm/drivers/net/3c509.c Mon Feb 10 17:34:37 2003
@@ -338,16 +338,6 @@ static int __init el3_common_init (struc
         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 @@ static int __init el3_probe(int card_idx
                                         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 @@ no_pnp:
         }
         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 @@ no_pnp:
 
         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;
@@ -547,6 +545,16 @@ no_pnp:
         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);
 }
 
diff -puN drivers/net/Space.c~3c509 drivers/net/Space.c
--- 25/drivers/net/Space.c~3c509 Mon Feb 10 17:34:37 2003
+++ 25-akpm/drivers/net/Space.c Mon Feb 10 17:34:37 2003
@@ -224,9 +224,6 @@ static struct devprobe isa_probes[] __in
 #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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