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authorKumar Gala <galak@kernel.crashing.org>2007-07-10 23:37:45 -0500
committerKumar Gala <galak@kernel.crashing.org>2007-07-23 10:27:07 -0500
commit38805e5f096162867a70c7468c654d7f9bb507da (patch)
tree841b3de2dc1b7c968564c39939398cda0427fb00 /arch/powerpc/kernel/pci_32.c
parent9ac4dd301eebb3cd8de801e02bfc91f296e56f63 (diff)
[POWERPC] Add the ability to find PCI capabilities early on
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>
Diffstat (limited to 'arch/powerpc/kernel/pci_32.c')
-rw-r--r--arch/powerpc/kernel/pci_32.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 0adf077f3f3a..bfcfa14e831f 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -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);
+}