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| author | David S. Miller <davem@sunset.davemloft.net> | 2007-03-12 02:42:53 +0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-26 12:55:19 +0400 |
| commit | 97b3cf050b467dda571943ceadff5452bed04549 (patch) | |
| tree | c5dbb828eb40f84d6203cfd5aaa56f12c4548b71 /arch/sparc64/kernel/pci_sabre.c | |
| parent | c6e87566ea080bbbe926c0e429fed48e6f680d93 (diff) | |
| download | linux-97b3cf050b467dda571943ceadff5452bed04549.tar.xz | |
[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_sabre.c')
| -rw-r--r-- | arch/sparc64/kernel/pci_sabre.c | 12 |
1 files changed, 12 insertions, 0 deletions
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); |