void *alignf_data)
{
int i, ret = -ENOMEM;
+ resource_size_t max = -1;
type_mask |= IORESOURCE_IO | IORESOURCE_MEM;
+ /* don't allocate too high if the pref mem doesn't support 64bit*/
+ if (!(res->flags & IORESOURCE_MEM_64))
+ max = PCIBIOS_MAX_MEM_32;
+
for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
struct resource *r = bus->resource[i];
if (!r)
/* Ok, try it out.. */
ret = allocate_resource(r, res, size,
r->start ? : min,
- -1, align,
+ max, align,
alignf, alignf_data);
if (ret == 0)
break;
list_for_each_entry(dev, &bus->devices, bus_list) {
if (dev->subordinate) {
- if (atomic_read(&dev->enable_cnt) == 0) {
+ if (!pci_is_enabled(dev)) {
retval = pci_enable_device(dev);
pci_set_master(dev);
}
* Walk the given bus, including any bridged devices
* on buses under this bus. Call the provided callback
* on each device found.
+ *
+ * We check the return of @cb each time. If it returns anything
+ * other than 0, we break out.
+ *
*/
-void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
+void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),
void *userdata)
{
struct pci_dev *dev;
struct pci_bus *bus;
struct list_head *next;
+ int retval;
bus = top;
down_read(&pci_bus_sem);
/* Run device routines with the device locked */
down(&dev->dev.sem);
- cb(dev, userdata);
+ retval = cb(dev, userdata);
up(&dev->dev.sem);
+ if (retval)
+ break;
}
up_read(&pci_bus_sem);
}