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| author | Kumar Gala <galak@kernel.crashing.org> | 2007-07-10 23:37:45 -0500 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2007-07-23 10:27:07 -0500 |
| commit | 38805e5f096162867a70c7468c654d7f9bb507da (patch) | |
| tree | 841b3de2dc1b7c968564c39939398cda0427fb00 | |
| parent | 9ac4dd301eebb3cd8de801e02bfc91f296e56f63 (diff) | |
| download | op-kernel-dev-38805e5f096162867a70c7468c654d7f9bb507da.zip op-kernel-dev-38805e5f096162867a70c7468c654d7f9bb507da.tar.gz | |
[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>
| -rw-r--r-- | arch/powerpc/kernel/pci_32.c | 7 | ||||
| -rw-r--r-- | include/asm-powerpc/pci-bridge.h | 3 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index 0adf077..bfcfa14 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); +} diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h index e72c2a6..7a00b8e 100644 --- a/include/asm-powerpc/pci-bridge.h +++ b/include/asm-powerpc/pci-bridge.h @@ -79,6 +79,9 @@ int early_write_config_word(struct pci_controller *hose, int bus, int dev_fn, int early_write_config_dword(struct pci_controller *hose, int bus, int dev_fn, int where, u32 val); +extern int early_find_capability(struct pci_controller *hose, int bus, + int dev_fn, int cap); + extern void setup_indirect_pci_nomap(struct pci_controller* hose, void __iomem *cfg_addr, void __iomem *cfg_data); extern void setup_indirect_pci(struct pci_controller* hose, |
