46 static int _read_reg(struct w1_slave *sl, u8 address, unsigned char* buf)  in _read_reg()  argument
49 	dev_dbg(&sl->dev,  in _read_reg()
51 			sl, (unsigned int)address, buf);  in _read_reg()
56 	mutex_lock(&sl->master->bus_mutex);  in _read_reg()
57 	dev_dbg(&sl->dev, "mutex locked");  in _read_reg()
59 	if (w1_reset_select_slave(sl)) {  in _read_reg()
60 		mutex_unlock(&sl->master->bus_mutex);  in _read_reg()
67 	w1_write_block(sl->master, wrbuf, 3);  in _read_reg()
68 	*buf = w1_read_8(sl->master);  in _read_reg()
70 	mutex_unlock(&sl->master->bus_mutex);  in _read_reg()
71 	dev_dbg(&sl->dev, "mutex unlocked");  in _read_reg()
151 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in output_write()  local
159 	dev_dbg(&sl->dev, "locking mutex for write_output");  in output_write()
160 	mutex_lock(&sl->master->bus_mutex);  in output_write()
161 	dev_dbg(&sl->dev, "mutex locked");  in output_write()
163 	if (w1_reset_select_slave(sl))  in output_write()
170 		w1_write_block(sl->master, w1_buf, 3);  in output_write()
172 		readBack = w1_read_8(sl->master);  in output_write()
175 			if (w1_reset_resume_command(sl->master))  in output_write()
187 		if (w1_reset_resume_command(sl->master))  in output_write()
195 		w1_write_block(sl->master, w1_buf, 3);  in output_write()
197 		if (w1_read_8(sl->master) == *buf)  in output_write()
201 			mutex_unlock(&sl->master->bus_mutex);  in output_write()
202 			dev_dbg(&sl->dev,  in output_write()
208 	mutex_unlock(&sl->master->bus_mutex);  in output_write()
209 	dev_dbg(&sl->dev, "mutex unlocked in error, retries:%d", retries);  in output_write()
222 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in activity_write()  local
228 	mutex_lock(&sl->master->bus_mutex);  in activity_write()
230 	if (w1_reset_select_slave(sl))  in activity_write()
234 		w1_write_8(sl->master, W1_F29_FUNC_RESET_ACTIVITY_LATCHES);  in activity_write()
235 		if (w1_read_8(sl->master) == W1_F29_SUCCESS_CONFIRM_BYTE) {  in activity_write()
236 			mutex_unlock(&sl->master->bus_mutex);  in activity_write()
239 		if (w1_reset_resume_command(sl->master))  in activity_write()
244 	mutex_unlock(&sl->master->bus_mutex);  in activity_write()
252 	struct w1_slave *sl = kobj_to_w1_slave(kobj);  in status_control_write()  local
259 	mutex_lock(&sl->master->bus_mutex);  in status_control_write()
261 	if (w1_reset_select_slave(sl))  in status_control_write()
270 		w1_write_block(sl->master, w1_buf, 4);  in status_control_write()
271 		if (w1_reset_resume_command(sl->master))  in status_control_write()
278 		w1_write_block(sl->master, w1_buf, 3);  in status_control_write()
279 		if (w1_read_8(sl->master) == *buf) {  in status_control_write()
281 			mutex_unlock(&sl->master->bus_mutex);  in status_control_write()
286 	mutex_unlock(&sl->master->bus_mutex);  in status_control_write()
297 static int w1_f29_disable_test_mode(struct w1_slave *sl)  in w1_f29_disable_test_mode()  argument
301 	u64 rn = le64_to_cpu(*((u64*)&sl->reg_num));  in w1_f29_disable_test_mode()
306 	mutex_lock(&sl->master->bus_mutex);  in w1_f29_disable_test_mode()
308 	res = w1_reset_bus(sl->master);  in w1_f29_disable_test_mode()
311 	w1_write_block(sl->master, magic, ARRAY_SIZE(magic));  in w1_f29_disable_test_mode()
313 	res = w1_reset_bus(sl->master);  in w1_f29_disable_test_mode()
315 	mutex_unlock(&sl->master->bus_mutex);  in w1_f29_disable_test_mode()