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SubjectRe: [PATCH] PCI and sysfs fixes for 2.5.74
From
Date
ChangeSet 1.1368, 2003/07/03 15:51:59-07:00, willy@debian.org

[PATCH] PCI: arch/i386/pci/legacy.c: use raw_pci_ops
Make pcibios_fixup_peer_bridges() use raw_pci_ops directly instead of
faking pci_bus and pci_dev.


arch/i386/pci/legacy.c | 24 +++++-------------------
1 files changed, 5 insertions(+), 19 deletions(-)


diff -Nru a/arch/i386/pci/legacy.c b/arch/i386/pci/legacy.c
--- a/arch/i386/pci/legacy.c Thu Jul 3 18:16:40 2003
+++ b/arch/i386/pci/legacy.c Thu Jul 3 18:16:40 2003
@@ -11,40 +11,26 @@
*/
static void __devinit pcibios_fixup_peer_bridges(void)
{
- int n;
- struct pci_bus *bus;
- struct pci_dev *dev;
- u16 l;
+ int n, devfn;

if (pcibios_last_bus <= 0 || pcibios_last_bus >= 0xff)
return;
DBG("PCI: Peer bridge fixup\n");

- bus = kmalloc(sizeof(*bus), GFP_ATOMIC);
- dev = kmalloc(sizeof(*dev), GFP_ATOMIC);
- if (!bus || !dev) {
- printk(KERN_ERR "Out of memory in %s\n", __FUNCTION__);
- goto exit;
- }
-
for (n=0; n <= pcibios_last_bus; n++) {
+ u32 l;
if (pci_find_bus(0, n))
continue;
- bus->number = n;
- bus->ops = &pci_root_ops;
- dev->bus = bus;
- for (dev->devfn=0; dev->devfn<256; dev->devfn += 8)
- if (!pci_read_config_word(dev, PCI_VENDOR_ID, &l) &&
+ for (devfn = 0; devfn < 256; devfn += 8) {
+ if (!raw_pci_ops->read(0, n, devfn, PCI_VENDOR_ID, 2, &l) &&
l != 0x0000 && l != 0xffff) {
DBG("Found device at %02x:%02x [%04x]\n", n, dev->devfn, l);
printk(KERN_INFO "PCI: Discovered peer bus %02x\n", n);
pci_scan_bus(n, &pci_root_ops, NULL);
break;
}
+ }
}
-exit:
- kfree(dev);
- kfree(bus);
}

static int __init pci_legacy_init(void)
-
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