summaryrefslogtreecommitdiffstats
path: root/arch/sparc64/kernel/pci_sun4v.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@sunset.davemloft.net>2007-03-11 16:42:53 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-26 01:55:19 -0700
commit97b3cf050b467dda571943ceadff5452bed04549 (patch)
treec5dbb828eb40f84d6203cfd5aaa56f12c4548b71 /arch/sparc64/kernel/pci_sun4v.c
parentc6e87566ea080bbbe926c0e429fed48e6f680d93 (diff)
[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>
Diffstat (limited to 'arch/sparc64/kernel/pci_sun4v.c')
-rw-r--r--arch/sparc64/kernel/pci_sun4v.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index a8c12c1e803..52bd4563492 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -612,6 +612,9 @@ static int pci_sun4v_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
unsigned int func = PCI_FUNC(devfn);
unsigned long ret;
+ if (bus_dev == pbm->pci_bus && devfn == 0x00)
+ return pci_host_bridge_read_pci_cfg(bus_dev, devfn, where,
+ size, value);
if (pci_sun4v_out_of_range(pbm, bus, device, func)) {
ret = ~0UL;
} else {
@@ -650,6 +653,9 @@ static int pci_sun4v_write_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
unsigned int func = PCI_FUNC(devfn);
unsigned long ret;
+ if (bus_dev == pbm->pci_bus && devfn == 0x00)
+ return pci_host_bridge_write_pci_cfg(bus_dev, devfn, where,
+ size, value);
if (pci_sun4v_out_of_range(pbm, bus, device, func)) {
/* Do nothing. */
} else {