w1_next_pullup
w1_next_pullup(sl->master, tm);
w1_next_pullup(dev_master, t_conv);
w1_next_pullup(dev_master, t_write);
w1_next_pullup(dev_master, t_conv);
EXPORT_SYMBOL_GPL(w1_next_pullup);
void w1_next_pullup(struct w1_master *, int);