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Subject[PATCH for 2.6.18] [5/8] x86_64: Revert k8-bus.c northbridge access change

As Travis Betak points out it accesses the wrong northbridge subfunction
now. Switch back to the old code.

Cc: "Travis Betak" <betak@mpdtxmail.amd.com>

Signed-off-by: Andi Kleen <ak@suse.de>

---
arch/x86_64/pci/k8-bus.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)

Index: linux-2.6.18-rc2-git7/arch/x86_64/pci/k8-bus.c
===================================================================
--- linux-2.6.18-rc2-git7.orig/arch/x86_64/pci/k8-bus.c
+++ linux-2.6.18-rc2-git7/arch/x86_64/pci/k8-bus.c
@@ -2,7 +2,6 @@
#include <linux/pci.h>
#include <asm/mpspec.h>
#include <linux/cpumask.h>
-#include <asm/k8.h>

/*
* This discovers the pcibus <-> node mapping on AMD K8.
@@ -19,6 +18,7 @@
#define NR_LDT_BUS_NUMBER_REGISTERS 3
#define SECONDARY_LDT_BUS_NUMBER(dword) ((dword >> 8) & 0xFF)
#define SUBORDINATE_LDT_BUS_NUMBER(dword) ((dword >> 16) & 0xFF)
+#define PCI_DEVICE_ID_K8HTCONFIG 0x1100

/**
* fill_mp_bus_to_cpumask()
@@ -28,7 +28,8 @@
__init static int
fill_mp_bus_to_cpumask(void)
{
- int i, j, k;
+ struct pci_dev *nb_dev = NULL;
+ int i, j;
u32 ldtbus, nid;
static int lbnr[3] = {
LDT_BUS_NUMBER_REGISTER_0,
@@ -36,9 +37,8 @@ fill_mp_bus_to_cpumask(void)
LDT_BUS_NUMBER_REGISTER_2
};

- cache_k8_northbridges();
- for (k = 0; k < num_k8_northbridges; k++) {
- struct pci_dev *nb_dev = k8_northbridges[k];
+ while ((nb_dev = pci_get_device(PCI_VENDOR_ID_AMD,
+ PCI_DEVICE_ID_K8HTCONFIG, nb_dev))) {
pci_read_config_dword(nb_dev, NODE_ID_REGISTER, &nid);

for (i = 0; i < NR_LDT_BUS_NUMBER_REGISTERS; i++) {
-
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