diff options
| author | David S. Miller <davem@sunset.davemloft.net> | 2007-03-11 16:42:53 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-26 01:55:19 -0700 |
| commit | 97b3cf050b467dda571943ceadff5452bed04549 (patch) | |
| tree | c5dbb828eb40f84d6203cfd5aaa56f12c4548b71 /arch/sparc64/kernel/pci_sun4v.c | |
| parent | c6e87566ea080bbbe926c0e429fed48e6f680d93 (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.c | 6 |
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 { |