static int tpci200_set_clockrate()

in carriers/tpci200.c [376:397]

• 19 lines of code
• 4 McCabe index (conditional complexity)

static int tpci200_set_clockrate(struct ipack_device *dev, int mherz)
{
	struct tpci200_board *tpci200 = check_slot(dev);
	__le16 __iomem *addr;

	if (!tpci200)
		return -ENODEV;

	addr = &tpci200->info->interface_regs->control[dev->slot];

	switch (mherz) {
	case 8:
		tpci200_clear_mask(tpci200, addr, TPCI200_CLK32);
		break;
	case 32:
		tpci200_set_mask(tpci200, addr, TPCI200_CLK32);
		break;
	default:
		return -EINVAL;
	}
	return 0;
}