tsu_incr
struct tsu_incr tsu_incr;
static int gem_tsu_incr_set(struct macb *bp, struct tsu_incr *incr_spec)
struct tsu_incr incr_spec;
incr_spec.sub_ns = bp->tsu_incr.sub_ns;
incr_spec.ns = bp->tsu_incr.ns;
bp->tsu_incr.ns = div_u64_rem(NSEC_PER_SEC, bp->tsu_rate, &rem);
bp->tsu_incr.sub_ns = div_u64(adj, bp->tsu_rate);
bp->tsu_incr.sub_ns = 0;
gem_tsu_incr_set(bp, &bp->tsu_incr);
bp->tsu_incr.sub_ns = 0;
bp->tsu_incr.ns = 0;