static void __init xilinx_early_pci_scan()

in pci/xilinx_pci.c [85:112]

• 22 lines of code
• 7 McCabe index (conditional complexity)

static void __init xilinx_early_pci_scan(struct pci_controller *hose)
{
	u32 bus = 0;
	u32 val, dev, func, offset;

	/* Currently we have only 2 device connected - up-to 32 devices */
	for (dev = 0; dev < 2; dev++) {
		/* List only first function number - up-to 8 functions */
		for (func = 0; func < 1; func++) {
			pr_info("%02x:%02x:%02x", bus, dev, func);
			/* read the first 64 standardized bytes */
			/* Up-to 192 bytes can be list of capabilities */
			for (offset = 0; offset < 64; offset += 4) {
				early_read_config_dword(hose, bus,
					PCI_DEVFN(dev, func), offset, &val);
				if (offset == 0 && val == 0xFFFFFFFF) {
					pr_cont("\nABSENT");
					break;
				}
				if (!(offset % 0x10))
					pr_cont("\n%04x:    ", offset);

				pr_cont("%08x  ", val);
			}
			pr_info("\n");
		}
	}
}