pci: debug extra pci bus resources (76fbc263) · Commits · e / devices / android_kernel_teracube_emerald

drivers/pci/setup-bus.c

+35 −0

Original line number	Diff line number	Diff line
		@@ -537,6 +537,36 @@ void __ref pci_bus_assign_resources(struct pci_bus *bus)
		}
		EXPORT_SYMBOL(pci_bus_assign_resources);

		static void pci_bus_dump_res(struct pci_bus *bus)
		{
		int i;

		for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
		struct resource *res = bus->resource[i];
		if (!res)
		continue;

		printk(KERN_INFO "bus: %02x index %x %s: [%llx, %llx]\n", bus->number, i, (res->flags & IORESOURCE_IO)? "io port":"mmio", res->start, res->end);
		}
		}

		static void pci_bus_dump_resources(struct pci_bus *bus)
		{
		struct pci_bus *b;
		struct pci_dev *dev;


		pci_bus_dump_res(bus);

		list_for_each_entry(dev, &bus->devices, bus_list) {
		b = dev->subordinate;
		if (!b)
		continue;

		pci_bus_dump_resources(b);
		}
		}

		void __init
		pci_assign_unassigned_resources(void)
		{
		@@ -552,4 +582,9 @@ pci_assign_unassigned_resources(void)
		pci_bus_assign_resources(bus);
		pci_enable_bridges(bus);
		}

		/* dump the resource on buses */
		list_for_each_entry(bus, &pci_root_buses, node) {
		pci_bus_dump_resources(bus);
		}
		}