293 static int trigger_bulk_read(struct w1_master *dev_master);
1095 static int w1_poll_completion(struct w1_master *dev_master, int tout_ms)  in w1_poll_completion()  argument
1104 		if (w1_read_8(dev_master) == 0xFF)  in w1_poll_completion()
1115 	struct w1_master *dev_master = sl->master;  in convert_t()  local
1143 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in convert_t()
1158 				w1_next_pullup(dev_master, t_conv);  in convert_t()
1160 			w1_write_8(dev_master, W1_CONVERT_TEMP);  in convert_t()
1163 				ret = w1_poll_completion(dev_master, W1_POLL_CONVERT_TEMP);  in convert_t()
1168 				mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1175 				mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1177 				mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1205 	mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1216 	struct w1_master *dev_master = sl->master;  in conv_time_measure()  local
1238 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in conv_time_measure()
1251 			w1_write_8(dev_master, W1_CONVERT_TEMP);  in conv_time_measure()
1254 			ret = w1_poll_completion(dev_master, W1_POLL_CONVERT_TEMP);  in conv_time_measure()
1268 			mutex_unlock(&dev_master->bus_mutex);  in conv_time_measure()
1275 	mutex_unlock(&dev_master->bus_mutex);  in conv_time_measure()
1284 	struct w1_master *dev_master = sl->master;  in read_scratchpad()  local
1298 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in read_scratchpad()
1308 			w1_write_8(dev_master, W1_READ_SCRATCHPAD);  in read_scratchpad()
1310 			nb_bytes_read = w1_read_block(dev_master, info->rom, 9);  in read_scratchpad()
1328 	mutex_unlock(&dev_master->bus_mutex);  in read_scratchpad()
1338 	struct w1_master *dev_master = sl->master;  in write_scratchpad()  local
1348 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in write_scratchpad()
1356 			w1_write_8(dev_master, W1_WRITE_SCRATCHPAD);  in write_scratchpad()
1357 			w1_write_block(dev_master, data, nb_bytes);  in write_scratchpad()
1361 	mutex_unlock(&dev_master->bus_mutex);  in write_scratchpad()
1371 	struct w1_master *dev_master = sl->master;  in copy_scratchpad()  local
1387 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in copy_scratchpad()
1399 				w1_next_pullup(dev_master, t_write);  in copy_scratchpad()
1401 			w1_write_8(dev_master, W1_COPY_SCRATCHPAD);  in copy_scratchpad()
1416 	mutex_unlock(&dev_master->bus_mutex);  in copy_scratchpad()
1425 	struct w1_master *dev_master = sl->master;  in recall_eeprom()  local
1435 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in recall_eeprom()
1444 			w1_write_8(dev_master, W1_RECALL_EEPROM);  in recall_eeprom()
1445 			ret = w1_poll_completion(dev_master, W1_POLL_RECALL_EEPROM);  in recall_eeprom()
1450 	mutex_unlock(&dev_master->bus_mutex);  in recall_eeprom()
1460 	struct w1_master *dev_master = sl->master;  in read_powermode()  local
1470 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in read_powermode()
1478 			w1_write_8(dev_master, W1_READ_PSUPPLY);  in read_powermode()
1484 			ret = w1_touch_bit(dev_master, 1);  in read_powermode()
1488 	mutex_unlock(&dev_master->bus_mutex);  in read_powermode()
1496 static int trigger_bulk_read(struct w1_master *dev_master)  in trigger_bulk_read()  argument
1509 	list_for_each_entry(sl, &dev_master->slist, w1_slave_entry) {  in trigger_bulk_read()
1530 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in trigger_bulk_read()
1537 		if (!w1_reset_bus(dev_master)) {	/* Just reset the bus */  in trigger_bulk_read()
1540 			w1_write_8(dev_master, W1_SKIP_ROM);  in trigger_bulk_read()
1543 				w1_next_pullup(dev_master, t_conv);  in trigger_bulk_read()
1545 			w1_write_8(dev_master, W1_CONVERT_TEMP);  in trigger_bulk_read()
1549 				&dev_master->slist, w1_slave_entry) {  in trigger_bulk_read()
1560 				mutex_unlock(&dev_master->bus_mutex);  in trigger_bulk_read()
1562 				mutex_unlock(&dev_master->bus_mutex);  in trigger_bulk_read()
1575 	mutex_unlock(&dev_master->bus_mutex);  in trigger_bulk_read()
1578 	list_for_each_entry(sl, &dev_master->slist, w1_slave_entry) {  in trigger_bulk_read()
1945 	struct w1_master *dev_master = dev_to_w1_master(device);  in therm_bulk_read_store()  local
1951 			ret = trigger_bulk_read(dev_master);  in therm_bulk_read_store()
1964 	struct w1_master *dev_master = dev_to_w1_master(device);  in therm_bulk_read_show()  local
1968 	list_for_each_entry(sl, &dev_master->slist, w1_slave_entry) {  in therm_bulk_read_show()