293 static int trigger_bulk_read(struct w1_master *dev_master);
1034 static int w1_poll_completion(struct w1_master *dev_master, int tout_ms)  in w1_poll_completion()  argument
1043 		if (w1_read_8(dev_master) == 0xFF)  in w1_poll_completion()
1054 	struct w1_master *dev_master = sl->master;  in convert_t()  local
1082 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in convert_t()
1097 				w1_next_pullup(dev_master, t_conv);  in convert_t()
1099 			w1_write_8(dev_master, W1_CONVERT_TEMP);  in convert_t()
1107 				mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1110 					ret = w1_poll_completion(dev_master, W1_POLL_CONVERT_TEMP);  in convert_t()
1115 					mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1118 					mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1147 	mutex_unlock(&dev_master->bus_mutex);  in convert_t()
1158 	struct w1_master *dev_master = sl->master;  in conv_time_measure()  local
1180 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in conv_time_measure()
1193 			w1_write_8(dev_master, W1_CONVERT_TEMP);  in conv_time_measure()
1196 			ret = w1_poll_completion(dev_master, W1_POLL_CONVERT_TEMP);  in conv_time_measure()
1210 			mutex_unlock(&dev_master->bus_mutex);  in conv_time_measure()
1217 	mutex_unlock(&dev_master->bus_mutex);  in conv_time_measure()
1226 	struct w1_master *dev_master = sl->master;  in read_scratchpad()  local
1240 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in read_scratchpad()
1250 			w1_write_8(dev_master, W1_READ_SCRATCHPAD);  in read_scratchpad()
1252 			nb_bytes_read = w1_read_block(dev_master, info->rom, 9);  in read_scratchpad()
1270 	mutex_unlock(&dev_master->bus_mutex);  in read_scratchpad()
1280 	struct w1_master *dev_master = sl->master;  in write_scratchpad()  local
1290 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in write_scratchpad()
1298 			w1_write_8(dev_master, W1_WRITE_SCRATCHPAD);  in write_scratchpad()
1299 			w1_write_block(dev_master, data, nb_bytes);  in write_scratchpad()
1303 	mutex_unlock(&dev_master->bus_mutex);  in write_scratchpad()
1313 	struct w1_master *dev_master = sl->master;  in copy_scratchpad()  local
1329 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in copy_scratchpad()
1341 				w1_next_pullup(dev_master, t_write);  in copy_scratchpad()
1343 			w1_write_8(dev_master, W1_COPY_SCRATCHPAD);  in copy_scratchpad()
1358 	mutex_unlock(&dev_master->bus_mutex);  in copy_scratchpad()
1367 	struct w1_master *dev_master = sl->master;  in recall_eeprom()  local
1377 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in recall_eeprom()
1386 			w1_write_8(dev_master, W1_RECALL_EEPROM);  in recall_eeprom()
1387 			ret = w1_poll_completion(dev_master, W1_POLL_RECALL_EEPROM);  in recall_eeprom()
1392 	mutex_unlock(&dev_master->bus_mutex);  in recall_eeprom()
1402 	struct w1_master *dev_master = sl->master;  in read_powermode()  local
1412 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in read_powermode()
1420 			w1_write_8(dev_master, W1_READ_PSUPPLY);  in read_powermode()
1426 			ret = w1_touch_bit(dev_master, 1);  in read_powermode()
1430 	mutex_unlock(&dev_master->bus_mutex);  in read_powermode()
1438 static int trigger_bulk_read(struct w1_master *dev_master)  in trigger_bulk_read()  argument
1451 	list_for_each_entry(sl, &dev_master->slist, w1_slave_entry) {  in trigger_bulk_read()
1472 	if (!bus_mutex_lock(&dev_master->bus_mutex)) {  in trigger_bulk_read()
1479 		if (!w1_reset_bus(dev_master)) {	/* Just reset the bus */  in trigger_bulk_read()
1482 			w1_write_8(dev_master, W1_SKIP_ROM);  in trigger_bulk_read()
1485 				w1_next_pullup(dev_master, t_conv);  in trigger_bulk_read()
1487 			w1_write_8(dev_master, W1_CONVERT_TEMP);  in trigger_bulk_read()
1491 				&dev_master->slist, w1_slave_entry) {  in trigger_bulk_read()
1502 				mutex_unlock(&dev_master->bus_mutex);  in trigger_bulk_read()
1504 				mutex_unlock(&dev_master->bus_mutex);  in trigger_bulk_read()
1517 	mutex_unlock(&dev_master->bus_mutex);  in trigger_bulk_read()
1520 	list_for_each_entry(sl, &dev_master->slist, w1_slave_entry) {  in trigger_bulk_read()
1888 	struct w1_master *dev_master = dev_to_w1_master(device);  in therm_bulk_read_store()  local
1894 			ret = trigger_bulk_read(dev_master);  in therm_bulk_read_store()
1907 	struct w1_master *dev_master = dev_to_w1_master(device);  in therm_bulk_read_show()  local
1911 	list_for_each_entry(sl, &dev_master->slist, w1_slave_entry) {  in therm_bulk_read_show()