int bcma_bus_register()

in main.c [379:476]
69 lines of code
15 McCabe index (conditional complexity)

int bcma_bus_register(struct bcma_bus *bus)
{
	int err;
	struct bcma_device *core;

	/* Scan for devices (cores) */
	err = bcma_bus_scan(bus);
	if (err) {
		bcma_err(bus, "Failed to scan: %d\n", err);
		return err;
	}

	/* Early init CC core */
	core = bcma_find_core(bus, bcma_cc_core_id(bus));
	if (core) {
		bus->drv_cc.core = core;
		bcma_core_chipcommon_early_init(&bus->drv_cc);
	}

	/* Early init PCIE core */
	core = bcma_find_core(bus, BCMA_CORE_PCIE);
	if (core) {
		bus->drv_pci[0].core = core;
		bcma_core_pci_early_init(&bus->drv_pci[0]);
	}

	if (bus->dev)
		of_platform_default_populate(bus->dev->of_node, NULL, bus->dev);

	/* Cores providing flash access go before SPROM init */
	list_for_each_entry(core, &bus->cores, list) {
		if (bcma_is_core_needed_early(core->id.id))
			bcma_register_core(bus, core);
	}

	/* Try to get SPROM */
	err = bcma_sprom_get(bus);
	if (err == -ENOENT) {
		bcma_err(bus, "No SPROM available\n");
	} else if (err)
		bcma_err(bus, "Failed to get SPROM: %d\n", err);

	/* Init CC core */
	core = bcma_find_core(bus, bcma_cc_core_id(bus));
	if (core) {
		bus->drv_cc.core = core;
		bcma_core_chipcommon_init(&bus->drv_cc);
	}

	/* Init CC core */
	core = bcma_find_core(bus, BCMA_CORE_NS_CHIPCOMMON_B);
	if (core) {
		bus->drv_cc_b.core = core;
		bcma_core_chipcommon_b_init(&bus->drv_cc_b);
	}

	/* Init MIPS core */
	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	if (core) {
		bus->drv_mips.core = core;
		bcma_core_mips_init(&bus->drv_mips);
	}

	/* Init PCIE core */
	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0);
	if (core) {
		bus->drv_pci[0].core = core;
		bcma_core_pci_init(&bus->drv_pci[0]);
	}

	/* Init PCIE core */
	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1);
	if (core) {
		bus->drv_pci[1].core = core;
		bcma_core_pci_init(&bus->drv_pci[1]);
	}

	/* Init PCIe Gen 2 core */
	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE2, 0);
	if (core) {
		bus->drv_pcie2.core = core;
		bcma_core_pcie2_init(&bus->drv_pcie2);
	}

	/* Init GBIT MAC COMMON core */
	core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
	if (core) {
		bus->drv_gmac_cmn.core = core;
		bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn);
	}

	/* Register found cores */
	bcma_register_devices(bus);

	bcma_info(bus, "Bus registered\n");

	return 0;
}