diff options
Diffstat (limited to 'drivers/w1')
| -rw-r--r-- | drivers/w1/w1.c | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c index f3be2991e6e8..b1b21df835f5 100644 --- a/drivers/w1/w1.c +++ b/drivers/w1/w1.c @@ -845,9 +845,7 @@ void w1_reconnect_slaves(struct w1_family *f, int attach) static void w1_slave_found(struct w1_master *dev, u64 rn) { - int slave_count; struct w1_slave *sl; - struct list_head *ent; struct w1_reg_num *tmp; u64 rn_le = cpu_to_le64(rn); @@ -855,24 +853,12 @@ static void w1_slave_found(struct w1_master *dev, u64 rn) tmp = (struct w1_reg_num *) &rn; - slave_count = 0; - list_for_each(ent, &dev->slist) { - - sl = list_entry(ent, struct w1_slave, w1_slave_entry); - - if (sl->reg_num.family == tmp->family && - sl->reg_num.id == tmp->id && - sl->reg_num.crc == tmp->crc) { - set_bit(W1_SLAVE_ACTIVE, (long *)&sl->flags); - break; - } - - slave_count++; - } - - if (slave_count == dev->slave_count && - rn && ((rn >> 56) & 0xff) == w1_calc_crc8((u8 *)&rn_le, 7)) { - w1_attach_slave_device(dev, tmp); + sl = w1_slave_search_device(dev, tmp); + if (sl) { + set_bit(W1_SLAVE_ACTIVE, (long *)&sl->flags); + } else { + if (rn && tmp->crc == w1_calc_crc8((u8 *)&rn_le, 7)) + w1_attach_slave_device(dev, tmp); } atomic_dec(&dev->refcnt); |