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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-05-06 13:40:40 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-05-06 13:40:40 +1000 |
| commit | 3fd47f063b17692e843128e2abda3e697df42198 (patch) | |
| tree | d90a5bdd247b0cc5af7cf78cd18cf6e27a884f00 /arch/powerpc/kernel/pci_32.c | |
| parent | 342d6666f7276723e418b91c885b0c03f02eeaaf (diff) | |
| download | op-kernel-dev-3fd47f063b17692e843128e2abda3e697df42198.zip op-kernel-dev-3fd47f063b17692e843128e2abda3e697df42198.tar.gz | |
powerpc/pci: Support per-aperture memory offset
The PCI core supports an offset per aperture nowadays but our arch
code still has a single offset per host bridge representing the
difference betwen CPU memory addresses and PCI MMIO addresses.
This is a problem as new machines and hypervisor versions are
coming out where the 64-bit windows will have a different offset
(basically mapped 1:1) from the 32-bit windows.
This fixes it by using separate offsets. In the long run, we probably
want to get rid of that intermediary struct pci_controller and have
those directly stored into the pci_host_bridge as they are parsed
but this will be a more invasive change.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/pci_32.c')
| -rw-r--r-- | arch/powerpc/kernel/pci_32.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index e37c215..432459c 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -295,7 +295,7 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) case IOBASE_BRIDGE_NUMBER: return (long)hose->first_busno; case IOBASE_MEMORY: - return (long)hose->pci_mem_offset; + return (long)hose->mem_offset[0]; case IOBASE_IO: return (long)hose->io_base_phys; case IOBASE_ISA_IO: |
