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| author | David S. Miller | 2007-03-12 00:42:53 +0100 |
|---|---|---|
| committer | David S. Miller | 2007-04-26 10:55:19 +0200 |
| commit | 97b3cf050b467dda571943ceadff5452bed04549 (patch) | |
| tree | c5dbb828eb40f84d6203cfd5aaa56f12c4548b71 /arch/sparc64/kernel/pci_schizo.c | |
| parent | [SPARC64]: Const'ify pci_iommu_ops. (diff) | |
| download | kernel-qcow2-linux-97b3cf050b467dda571943ceadff5452bed04549.tar.gz kernel-qcow2-linux-97b3cf050b467dda571943ceadff5452bed04549.tar.xz kernel-qcow2-linux-97b3cf050b467dda571943ceadff5452bed04549.zip | |
[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_schizo.c')
| -rw-r--r-- | arch/sparc64/kernel/pci_schizo.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c index f1f105af8d3c..322cdbf50eff 100644 --- a/arch/sparc64/kernel/pci_schizo.c +++ b/arch/sparc64/kernel/pci_schizo.c @@ -125,6 +125,9 @@ static int schizo_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn, 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; @@ -178,6 +181,9 @@ static int schizo_write_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn, 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 = schizo_pci_config_mkaddr(pbm, bus, devfn, where); if (!addr) return PCIBIOS_SUCCESSFUL; |