293 static int trigger_bulk_read(struct w1_master *dev_master);
1030 static int w1_poll_completion(struct w1_master *dev_master, int tout_ms)  in w1_poll_completion()  argument
1039 		if (w1_read_8(dev_master) == 0xFF)  in w1_poll_completion()
1050 	struct w1_master *dev_master = sl->master;  in convert_t()  local
1078 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in convert_t()
1093 				w1_next_pullup(dev_master, t_conv);  in convert_t()
1095 			w1_write_8(dev_master, W1_CONVERT_TEMP);  in convert_t()
1103 				mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1106 					ret = w1_poll_completion(dev_master, W1_POLL_CONVERT_TEMP);  in convert_t()
1111 					mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1114 					mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1143 	mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1154 	struct w1_master *dev_master = sl->master;  in conv_time_measure()  local
1176 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in conv_time_measure()
1189 			w1_write_8(dev_master, W1_CONVERT_TEMP);  in conv_time_measure()
1192 			ret = w1_poll_completion(dev_master, W1_POLL_CONVERT_TEMP);  in conv_time_measure()
1206 			mutex_unlock(&dev_master->bus_mutex);  in conv_time_measure()
1213 	mutex_unlock(&dev_master->bus_mutex);  in conv_time_measure()
1222 	struct w1_master *dev_master = sl->master;  in read_scratchpad()  local
1236 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in read_scratchpad()
1246 			w1_write_8(dev_master, W1_READ_SCRATCHPAD);  in read_scratchpad()
1248 			nb_bytes_read = w1_read_block(dev_master, info->rom, 9);  in read_scratchpad()
1266 	mutex_unlock(&dev_master->bus_mutex);  in read_scratchpad()
1276 	struct w1_master *dev_master = sl->master;  in write_scratchpad()  local
1286 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in write_scratchpad()
1294 			w1_write_8(dev_master, W1_WRITE_SCRATCHPAD);  in write_scratchpad()
1295 			w1_write_block(dev_master, data, nb_bytes);  in write_scratchpad()
1299 	mutex_unlock(&dev_master->bus_mutex);  in write_scratchpad()
1309 	struct w1_master *dev_master = sl->master;  in copy_scratchpad()  local
1325 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in copy_scratchpad()
1337 				w1_next_pullup(dev_master, t_write);  in copy_scratchpad()
1339 			w1_write_8(dev_master, W1_COPY_SCRATCHPAD);  in copy_scratchpad()
1354 	mutex_unlock(&dev_master->bus_mutex);  in copy_scratchpad()
1363 	struct w1_master *dev_master = sl->master;  in recall_eeprom()  local
1373 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in recall_eeprom()
1382 			w1_write_8(dev_master, W1_RECALL_EEPROM);  in recall_eeprom()
1383 			ret = w1_poll_completion(dev_master, W1_POLL_RECALL_EEPROM);  in recall_eeprom()
1388 	mutex_unlock(&dev_master->bus_mutex);  in recall_eeprom()
1398 	struct w1_master *dev_master = sl->master;  in read_powermode()  local
1408 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in read_powermode()
1416 			w1_write_8(dev_master, W1_READ_PSUPPLY);  in read_powermode()
1422 			ret = w1_touch_bit(dev_master, 1);  in read_powermode()
1426 	mutex_unlock(&dev_master->bus_mutex);  in read_powermode()
1434 static int trigger_bulk_read(struct w1_master *dev_master)  in trigger_bulk_read()  argument
1447 	list_for_each_entry(sl, &dev_master->slist, w1_slave_entry) {  in trigger_bulk_read()
1468 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in trigger_bulk_read()
1475 		if (!w1_reset_bus(dev_master)) {	/* Just reset the bus */  in trigger_bulk_read()
1478 			w1_write_8(dev_master, W1_SKIP_ROM);  in trigger_bulk_read()
1481 				w1_next_pullup(dev_master, t_conv);  in trigger_bulk_read()
1483 			w1_write_8(dev_master, W1_CONVERT_TEMP);  in trigger_bulk_read()
1487 				&dev_master->slist, w1_slave_entry) {  in trigger_bulk_read()
1498 				mutex_unlock(&dev_master->bus_mutex);  in trigger_bulk_read()
1500 				mutex_unlock(&dev_master->bus_mutex);  in trigger_bulk_read()
1513 	mutex_unlock(&dev_master->bus_mutex);  in trigger_bulk_read()
1516 	list_for_each_entry(sl, &dev_master->slist, w1_slave_entry) {  in trigger_bulk_read()
1884 	struct w1_master *dev_master = dev_to_w1_master(device);  in therm_bulk_read_store()  local
1890 			ret = trigger_bulk_read(dev_master);  in therm_bulk_read_store()
1903 	struct w1_master *dev_master = dev_to_w1_master(device);  in therm_bulk_read_show()  local
1907 	list_for_each_entry(sl, &dev_master->slist, w1_slave_entry) {  in therm_bulk_read_show()