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-rw-r--r--arch/i386/pci/legacy.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/arch/i386/pci/legacy.c b/arch/i386/pci/legacy.c
deleted file mode 100644
index 5565d7016b75..000000000000
--- a/arch/i386/pci/legacy.c
+++ /dev/null
@@ -1,56 +0,0 @@
1/*
2 * legacy.c - traditional, old school PCI bus probing
3 */
4#include <linux/init.h>
5#include <linux/pci.h>
6#include "pci.h"
7
8/*
9 * Discover remaining PCI buses in case there are peer host bridges.
10 * We use the number of last PCI bus provided by the PCI BIOS.
11 */
12static void __devinit pcibios_fixup_peer_bridges(void)
13{
14 int n, devfn;
15
16 if (pcibios_last_bus <= 0 || pcibios_last_bus >= 0xff)
17 return;
18 DBG("PCI: Peer bridge fixup\n");
19
20 for (n=0; n <= pcibios_last_bus; n++) {
21 u32 l;
22 if (pci_find_bus(0, n))
23 continue;
24 for (devfn = 0; devfn < 256; devfn += 8) {
25 if (!raw_pci_ops->read(0, n, devfn, PCI_VENDOR_ID, 2, &l) &&
26 l != 0x0000 && l != 0xffff) {
27 DBG("Found device at %02x:%02x [%04x]\n", n, devfn, l);
28 printk(KERN_INFO "PCI: Discovered peer bus %02x\n", n);
29 pci_scan_bus_with_sysdata(n);
30 break;
31 }
32 }
33 }
34}
35
36static int __init pci_legacy_init(void)
37{
38 if (!raw_pci_ops) {
39 printk("PCI: System does not support PCI\n");
40 return 0;
41 }
42
43 if (pcibios_scanned++)
44 return 0;
45
46 printk("PCI: Probing PCI hardware\n");
47 pci_root_bus = pcibios_scan_root(0);
48 if (pci_root_bus)
49 pci_bus_add_devices(pci_root_bus);
50
51 pcibios_fixup_peer_bridges();
52
53 return 0;
54}
55
56subsys_initcall(pci_legacy_init);