c->in_port = c->base.virt + I2O_IN_PORT;
c->out_port = c->base.virt + I2O_OUT_PORT;
+ /* Motorola/Freescale chip does not follow spec */
+ if (pdev->vendor == PCI_VENDOR_ID_MOTOROLA && pdev->device == 0x18c0) {
+ /* Check if CPU is enabled */
+ if (be32_to_cpu(readl(c->base.virt + 0x10000)) & 0x10000000) {
+ printk(KERN_INFO "%s: MPC82XX needs CPU running to "
+ "service I2O.\n", c->name);
+ i2o_pci_free(c);
+ return -ENODEV;
+ } else {
+ c->irq_status += I2O_MOTOROLA_PORT_OFFSET;
+ c->irq_mask += I2O_MOTOROLA_PORT_OFFSET;
+ c->in_port += I2O_MOTOROLA_PORT_OFFSET;
+ c->out_port += I2O_MOTOROLA_PORT_OFFSET;
+ printk(KERN_INFO "%s: MPC82XX workarounds activated.\n",
+ c->name);
+ }
+ }
+
if (i2o_dma_alloc(dev, &c->status, 8, GFP_KERNEL)) {
i2o_pci_free(c);
return -ENOMEM;
writel(0xffffffff, c->irq_mask);
if (pdev->irq) {
- rc = request_irq(pdev->irq, i2o_pci_interrupt, SA_SHIRQ,
+ rc = request_irq(pdev->irq, i2o_pci_interrupt, IRQF_SHARED,
c->name, c);
if (rc < 0) {
printk(KERN_ERR "%s: unable to allocate interrupt %d."
struct i2o_controller *c;
int rc;
struct pci_dev *i960 = NULL;
- int pci_dev_busy = 0;
+ int enabled = pdev->is_enabled;
printk(KERN_INFO "i2o: Checking for PCI I2O controllers...\n");
return -ENODEV;
}
- if ((rc = pci_enable_device(pdev))) {
- printk(KERN_WARNING "i2o: couldn't enable device %s\n",
- pci_name(pdev));
- return rc;
- }
+ if (!enabled)
+ if ((rc = pci_enable_device(pdev))) {
+ printk(KERN_WARNING "i2o: couldn't enable device %s\n",
+ pci_name(pdev));
+ return rc;
+ }
if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
printk(KERN_WARNING "i2o: no suitable DMA found for %s\n",
pci_name(pdev));
c->pdev = pdev;
- c->device.parent = get_device(&pdev->dev);
+ c->device.parent = &pdev->dev;
/* Cards that fall apart if you hit them with large I/O loads... */
if (pdev->vendor == PCI_VENDOR_ID_NCR && pdev->device == 0x0630) {
* Expose the ship behind i960 for initialization, or it will
* failed
*/
- i960 =
- pci_find_slot(c->pdev->bus->number,
+ i960 = pci_get_slot(c->pdev->bus,
PCI_DEVFN(PCI_SLOT(c->pdev->devfn), 0));
- if (i960)
+ if (i960) {
pci_write_config_word(i960, 0x42, 0);
+ pci_dev_put(i960);
+ }
c->promise = 1;
c->limit_sectors = 1;
if ((rc = i2o_pci_alloc(c))) {
printk(KERN_ERR "%s: DMA / IO allocation for I2O controller "
- " failed\n", c->name);
- if (rc == -ENODEV)
- pci_dev_busy = 1;
+ "failed\n", c->name);
goto free_controller;
}
if ((rc = i2o_iop_add(c)))
goto uninstall;
- get_device(&c->device);
-
if (i960)
pci_write_config_word(i960, 0x42, 0x03ff);
i2o_pci_free(c);
free_controller:
- put_device(c->device.parent);
i2o_iop_free(c);
disable:
- if (!pci_dev_busy)
+ if (!enabled)
pci_disable_device(pdev);
return rc;
printk(KERN_INFO "%s: Controller removed.\n", c->name);
- put_device(c->device.parent);
put_device(&c->device);
};