[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>
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 2e5d40a..154c032 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -118,6 +118,10 @@
u16 tmp16;
u8 tmp8;
+ if (bus_dev == pbm->pci_bus && devfn == 0x00)
+ return pci_host_bridge_read_pci_cfg(bus_dev, devfn, where,
+ size, value);
+
switch (size) {
case 1:
*value = 0xff;
@@ -171,6 +175,9 @@
unsigned char bus = bus_dev->number;
u32 *addr;
+ if (bus_dev == pbm->pci_bus && devfn == 0x00)
+ return pci_host_bridge_write_pci_cfg(bus_dev, devfn, where,
+ size, value);
addr = psycho_pci_config_mkaddr(pbm, bus, devfn, where);
if (!addr)
return PCIBIOS_SUCCESSFUL;