drivers/w1/w1.c

391 	struct w1_reg_num *rn)
415 	rn->family = family;
416 	rn->id = id;
418 	rn64_le = cpu_to_le64(*(u64 *)rn);
419 	rn->crc = w1_calc_crc8((u8 *)&rn64_le, 7);
423 		  rn->family, (unsigned long long)rn->id, rn->crc);
433 	struct w1_reg_num *rn)
438 		if (sl->reg_num.family == rn->family &&
439 				sl->reg_num.id == rn->id &&
440 				sl->reg_num.crc == rn->crc) {
454 	struct w1_reg_num rn;
458 	if (w1_atoreg_num(dev, buf, count, &rn))
462 	sl = w1_slave_search_device(md, &rn);
471 		w1_attach_slave_device(md, &rn);
492 	struct w1_reg_num rn;
496 	if (w1_atoreg_num(dev, buf, count, &rn))
500 	sl = w1_slave_search_device(md, &rn);
507 		dev_info(dev, "Device %02x-%012llx doesn't exists\n", rn.family,
508 			(unsigned long long)rn.id);
711 int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn)
732 	memcpy(&sl->reg_num, rn, sizeof(sl->reg_num));
737 		  rn->family, (unsigned long long)rn->id, rn->crc);
741 	request_module("w1-family-0x%02X", rn->family);
745 	f = w1_family_registered(rn->family);
749 			  rn->family, rn->family,
750 			  (unsigned long long)rn->id, rn->crc);
770 	memcpy(msg.id.id, rn, sizeof(msg.id));
887 				struct w1_reg_num rn;
890 				memcpy(&rn, &sl->reg_num, sizeof(rn));
895 					w1_attach_slave_device(dev, &rn);
907 static int w1_addr_crc_is_valid(struct w1_master *dev, u64 rn)
909 	u64 rn_le = cpu_to_le64(rn);
910 	struct w1_reg_num *tmp = (struct w1_reg_num *)&rn;
941 void w1_slave_found(struct w1_master *dev, u64 rn)
948 	tmp = (struct w1_reg_num *) &rn;
954 		if (rn && w1_addr_crc_is_valid(dev, rn))
980 	u64 last_rn, rn, tmp64;
987 	rn = dev->search_id;
995 		last_rn = rn;
996 		rn = 0;
1015 			rv = w1_read_block(dev, (u8 *)&rn, 8);
1018 			if (rv == 8 && rn)
1019 				cb(dev, rn);
1048 			rn |= (tmp64 << i);
1063 				dev->search_id = rn;
1066 			cb(dev, rn);