From: David Daney david.daney@cavium.com
The default is to continue doing the what we have done before, but add a hook so that this can be overridden.
Signed-off-by: David Daney david.daney@cavium.com Signed-off-by: Vadim Lomovtsev Vadim.Lomovtsev@caviumnetworks.com --- arch/arm64/include/asm/pci.h | 3 +++ arch/arm64/kernel/pci.c | 10 ++++++++++ 2 files changed, 13 insertions(+)
diff --git a/arch/arm64/include/asm/pci.h b/arch/arm64/include/asm/pci.h index b008a72..ad3fb18 100644 --- a/arch/arm64/include/asm/pci.h +++ b/arch/arm64/include/asm/pci.h @@ -37,6 +37,9 @@ static inline int pci_proc_domain(struct pci_bus *bus) { return 1; } + +void set_pcibios_add_device(int (*arg)(struct pci_dev *)); + #endif /* CONFIG_PCI */
#endif /* __KERNEL__ */ diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c index 4095379..3356023 100644 --- a/arch/arm64/kernel/pci.c +++ b/arch/arm64/kernel/pci.c @@ -38,11 +38,21 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res, return res->start; }
+static int (*pcibios_add_device_impl)(struct pci_dev *); + +void set_pcibios_add_device(int (*arg)(struct pci_dev *)) +{ + pcibios_add_device_impl = arg; +} + /* * Try to assign the IRQ number from DT when adding a new device */ int pcibios_add_device(struct pci_dev *dev) { + if (pcibios_add_device_impl) + return pcibios_add_device_impl(dev); + dev->irq = of_irq_parse_and_map_pci(dev, 0, 0);
return 0;