HASH
#define HASH(PTR) (((uintptr_t)(PTR) >> 3) & 127)
#define HASH(a) (((a) >> 4) % OHCI_HASH_SIZE)
#define HASH(p, l, h) hash32_buf((p), (l), (h))
#define HASH(a) (&bucket[((a) >> 6) & (__arraycount(bucket) - 1)])