#include <linux/i2o.h>
#include "core.h"
+#define OSM_DESCRIPTION "I2O-subsystem"
+
/* PCI device id table for all I2O controllers */
static struct pci_device_id __devinitdata i2o_pci_ids[] = {
{PCI_DEVICE_CLASS(PCI_CLASS_INTELLIGENT_I2O << 8, 0xffff00)},
if (c->base.virt)
iounmap(c->base.virt);
+
+ pci_release_regions(c->pdev);
}
/**
struct device *dev = &pdev->dev;
int i;
+ if (pci_request_regions(pdev, OSM_DESCRIPTION)) {
+ printk(KERN_ERR "%s: device already claimed\n", c->name);
+ return -ENODEV;
+ }
+
for (i = 0; i < 6; i++) {
/* Skip I/O spaces */
if (!(pci_resource_flags(pdev, i) & IORESOURCE_IO)) {
c->base.virt = ioremap_nocache(c->base.phys, c->base.len);
if (!c->base.virt) {
printk(KERN_ERR "%s: Unable to map controller.\n", c->name);
+ i2o_pci_free(c);
return -ENOMEM;
}
struct i2o_controller *c;
int rc;
struct pci_dev *i960 = NULL;
+ int pci_dev_busy = 0;
printk(KERN_INFO "i2o: Checking for PCI I2O controllers...\n");
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;
goto free_controller;
}
i2o_pci_free(c);
free_controller:
- i2o_iop_free(c);
put_device(c->device.parent);
+ i2o_iop_free(c);
disable:
- pci_disable_device(pdev);
+ if (!pci_dev_busy)
+ pci_disable_device(pdev);
return rc;
}