/* Note that this will only take effect when the link state changes.  */
static int set_phyerrthreshold(struct ipath_devdata *dd, unsigned n)
/* Note that this will only take effect when the link state changes.  */
static int set_phyerrthreshold(struct ipath_devdata *dd, unsigned n)
{
	unsigned v;
	v = (dd->ipath_ibcctrl >> INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) &
		INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK;
	if (v != n) {
		dd->ipath_ibcctrl &=
			~(INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK <<
			  INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT);
		dd->ipath_ibcctrl |=
			(u64) n << INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT;
		ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl,
				 dd->ipath_ibcctrl);
	}
	return 0;
}