static void bcma_host_pci_block_read()

in host_pci.c [82:103]

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

static void bcma_host_pci_block_read(struct bcma_device *core, void *buffer,
				     size_t count, u16 offset, u8 reg_width)
{
	void __iomem *addr = core->bus->mmio + offset;
	if (core->bus->mapped_core != core)
		bcma_host_pci_switch_core(core);
	switch (reg_width) {
	case sizeof(u8):
		ioread8_rep(addr, buffer, count);
		break;
	case sizeof(u16):
		WARN_ON(count & 1);
		ioread16_rep(addr, buffer, count >> 1);
		break;
	case sizeof(u32):
		WARN_ON(count & 3);
		ioread32_rep(addr, buffer, count >> 2);
		break;
	default:
		WARN_ON(1);
	}
}