blob: 6258dc260d9f54ac4423998e8b338d4333768ef7 [file] [log] [blame]
/* Core PCI functionality used only by PCI hotplug */
#include <linux/pci.h>
#include <linux/export.h>
#include "pci.h"
int __ref pci_hp_add_bridge(struct pci_dev *dev)
{
struct pci_bus *parent = dev->bus;
int pass, busnr, start = parent->busn_res.start;
int end = parent->busn_res.end;
for (busnr = start; busnr <= end; busnr++) {
if (!pci_find_bus(pci_domain_nr(parent), busnr))
break;
}
if (busnr-- > end) {
printk(KERN_ERR "No bus number available for hot-added bridge %s\n",
pci_name(dev));
return -1;
}
for (pass = 0; pass < 2; pass++)
busnr = pci_scan_bridge(parent, dev, busnr, pass);
if (!dev->subordinate)
return -1;
return 0;
}
EXPORT_SYMBOL_GPL(pci_hp_add_bridge);