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[POWERPC] Add the ability to find PCI capabilities early on

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Added early_find_capability that wraps pci_bus_find_capability and uses
fake_pci_bus() to allow us to call it before we've fully setup the
pci_controller.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala
2007-07-10 23:37:45 -05:00
parent 9ac4dd301e
commit 38805e5f09
2 changed files with 10 additions and 0 deletions
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7
arch/powerpc/kernel/pci_32.c
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@@ -1468,3 +1468,10 @@ EARLY_PCI_OP(read, dword, u32 *)
EARLY_PCI_OP(write, byte, u8)
EARLY_PCI_OP(write, word, u16)
EARLY_PCI_OP(write, dword, u32)
extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap);
int early_find_capability(struct pci_controller *hose, int bus, int devfn,
int cap)
{
return pci_bus_find_capability(fake_pci_bus(hose, bus), devfn, cap);
}