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[POWERPC] Resolve the parent address of a PCI bus range

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When parsing the OF "ranges" properties of PCI host busses to determine
the mapping of a PCI bus, we need to translate the "parent" address using
the prom_parse.c routines in order to obtain a CPU physical address.

This wasn't necessary while PCI busses were always at the root of the
device-tree but this is no longer the case on Cell where they can be
anywhere in the tree.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt 2006-11-11 17:25:05 +11:00 committed by Paul Mackerras
parent 868108784c
commit e557a1c96c
1 changed files with 1 additions and 5 deletions
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6
arch/powerpc/kernel/pci_64.c
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@ -967,11 +967,7 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose,
res = NULL;
pci_space = ranges[0];
pci_addr = ((unsigned long)ranges[1] << 32) | ranges[2];
cpu_phys_addr = ranges[3];
if (na >= 2)
cpu_phys_addr = (cpu_phys_addr << 32) | ranges[4];
cpu_phys_addr = of_translate_address(dev, &ranges[3]);
size = ((unsigned long)ranges[na+3] << 32) | ranges[na+4];
ranges += np;
if (size == 0)