From 97b3cf050b467dda571943ceadff5452bed04549 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@sunset.davemloft.net>
Date: Sun, 11 Mar 2007 16:42:53 -0700
Subject: [SPARC64]: Add dummy host controller to root of all PCI domains.
We fake up a dummy one in all cases because that is the simplest
thing to do and it happens to be necessary for hypervisor systems.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
arch/sparc64/kernel/pci_sabre.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
(limited to 'arch/sparc64/kernel/pci_sabre.c')
diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c
index 1bd7fc7c05e6..a2f129d29c20 100644
--- a/arch/sparc64/kernel/pci_sabre.c
+++ b/arch/sparc64/kernel/pci_sabre.c
@@ -319,6 +319,12 @@ static int __sabre_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
static int sabre_read_pci_cfg(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 *value)
{
+ struct pci_pbm_info *pbm = bus->sysdata;
+
+ if (bus == pbm->pci_bus && devfn == 0x00)
+ return pci_host_bridge_read_pci_cfg(bus, devfn, where,
+ size, value);
+
if (!bus->number && sabre_out_of_range(devfn)) {
switch (size) {
case 1:
@@ -435,6 +441,12 @@ static int __sabre_write_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
static int sabre_write_pci_cfg(struct pci_bus *bus, unsigned int devfn,
int where, int size, u32 value)
{
+ struct pci_pbm_info *pbm = bus->sysdata;
+
+ if (bus == pbm->pci_bus && devfn == 0x00)
+ return pci_host_bridge_write_pci_cfg(bus, devfn, where,
+ size, value);
+
if (bus->number)
return __sabre_write_pci_cfg(bus, devfn, where, size, value);
--
cgit