293 static int trigger_bulk_read(struct w1_master *dev_master);
1029 static int w1_poll_completion(struct w1_master *dev_master, int tout_ms)  in w1_poll_completion()  argument
1038 		if (w1_read_8(dev_master) == 0xFF)  in w1_poll_completion()
1049 	struct w1_master *dev_master = sl->master;  in convert_t()  local
1077 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in convert_t()
1092 				w1_next_pullup(dev_master, t_conv);  in convert_t()
1094 			w1_write_8(dev_master, W1_CONVERT_TEMP);  in convert_t()
1097 				ret = w1_poll_completion(dev_master, W1_POLL_CONVERT_TEMP);  in convert_t()
1102 				mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1109 				mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1111 				mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1139 	mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1150 	struct w1_master *dev_master = sl->master;  in conv_time_measure()  local
1172 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in conv_time_measure()
1185 			w1_write_8(dev_master, W1_CONVERT_TEMP);  in conv_time_measure()
1188 			ret = w1_poll_completion(dev_master, W1_POLL_CONVERT_TEMP);  in conv_time_measure()
1202 			mutex_unlock(&dev_master->bus_mutex);  in conv_time_measure()
1209 	mutex_unlock(&dev_master->bus_mutex);  in conv_time_measure()
1218 	struct w1_master *dev_master = sl->master;  in read_scratchpad()  local
1232 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in read_scratchpad()
1242 			w1_write_8(dev_master, W1_READ_SCRATCHPAD);  in read_scratchpad()
1244 			nb_bytes_read = w1_read_block(dev_master, info->rom, 9);  in read_scratchpad()
1262 	mutex_unlock(&dev_master->bus_mutex);  in read_scratchpad()
1272 	struct w1_master *dev_master = sl->master;  in write_scratchpad()  local
1282 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in write_scratchpad()
1290 			w1_write_8(dev_master, W1_WRITE_SCRATCHPAD);  in write_scratchpad()
1291 			w1_write_block(dev_master, data, nb_bytes);  in write_scratchpad()
1295 	mutex_unlock(&dev_master->bus_mutex);  in write_scratchpad()
1305 	struct w1_master *dev_master = sl->master;  in copy_scratchpad()  local
1321 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in copy_scratchpad()
1333 				w1_next_pullup(dev_master, t_write);  in copy_scratchpad()
1335 			w1_write_8(dev_master, W1_COPY_SCRATCHPAD);  in copy_scratchpad()
1350 	mutex_unlock(&dev_master->bus_mutex);  in copy_scratchpad()
1359 	struct w1_master *dev_master = sl->master;  in recall_eeprom()  local
1369 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in recall_eeprom()
1378 			w1_write_8(dev_master, W1_RECALL_EEPROM);  in recall_eeprom()
1379 			ret = w1_poll_completion(dev_master, W1_POLL_RECALL_EEPROM);  in recall_eeprom()
1384 	mutex_unlock(&dev_master->bus_mutex);  in recall_eeprom()
1394 	struct w1_master *dev_master = sl->master;  in read_powermode()  local
1404 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in read_powermode()
1412 			w1_write_8(dev_master, W1_READ_PSUPPLY);  in read_powermode()
1418 			ret = w1_touch_bit(dev_master, 1);  in read_powermode()
1422 	mutex_unlock(&dev_master->bus_mutex);  in read_powermode()
1430 static int trigger_bulk_read(struct w1_master *dev_master)  in trigger_bulk_read()  argument
1443 	list_for_each_entry(sl, &dev_master->slist, w1_slave_entry) {  in trigger_bulk_read()
1464 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in trigger_bulk_read()
1471 		if (!w1_reset_bus(dev_master)) {	/* Just reset the bus */  in trigger_bulk_read()
1474 			w1_write_8(dev_master, W1_SKIP_ROM);  in trigger_bulk_read()
1477 				w1_next_pullup(dev_master, t_conv);  in trigger_bulk_read()
1479 			w1_write_8(dev_master, W1_CONVERT_TEMP);  in trigger_bulk_read()
1483 				&dev_master->slist, w1_slave_entry) {  in trigger_bulk_read()
1494 				mutex_unlock(&dev_master->bus_mutex);  in trigger_bulk_read()
1496 				mutex_unlock(&dev_master->bus_mutex);  in trigger_bulk_read()
1509 	mutex_unlock(&dev_master->bus_mutex);  in trigger_bulk_read()
1512 	list_for_each_entry(sl, &dev_master->slist, w1_slave_entry) {  in trigger_bulk_read()
1880 	struct w1_master *dev_master = dev_to_w1_master(device);  in therm_bulk_read_store()  local
1886 			ret = trigger_bulk_read(dev_master);  in therm_bulk_read_store()
1899 	struct w1_master *dev_master = dev_to_w1_master(device);  in therm_bulk_read_show()  local
1903 	list_for_each_entry(sl, &dev_master->slist, w1_slave_entry) {  in therm_bulk_read_show()