72 static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver);
89 	struct i2c_adapter *adapter;  member
142 	struct i2c_adapter *adapter = data;  in acpi_i2c_add_device()  local
159 	lookup.adapter_handle = ACPI_HANDLE(&adapter->dev);  in acpi_i2c_add_device()
191 	if (!i2c_new_device(adapter, &info)) {  in acpi_i2c_add_device()
193 		dev_err(&adapter->dev,  in acpi_i2c_add_device()
253 	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));  in acpi_gsb_i2c_read_bytes()
255 		dev_err(&client->adapter->dev, "i2c read failed\n");  in acpi_gsb_i2c_read_bytes()
283 	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));  in acpi_gsb_i2c_write_bytes()
285 		dev_err(&client->adapter->dev, "i2c write failed\n");  in acpi_gsb_i2c_write_bytes()
300 	struct i2c_adapter *adapter = data->adapter;  in acpi_i2c_space_handler()  local
329 	client->adapter = adapter;  in acpi_i2c_space_handler()
415 static int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)  in acpi_i2c_install_space_handler()  argument
421 	if (!adapter->dev.parent)  in acpi_i2c_install_space_handler()
424 	handle = ACPI_HANDLE(adapter->dev.parent);  in acpi_i2c_install_space_handler()
434 	data->adapter = adapter;  in acpi_i2c_install_space_handler()
447 		dev_err(&adapter->dev, "Error installing i2c space handler\n");  in acpi_i2c_install_space_handler()
457 static void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)  in acpi_i2c_remove_space_handler()  argument
463 	if (!adapter->dev.parent)  in acpi_i2c_remove_space_handler()
466 	handle = ACPI_HANDLE(adapter->dev.parent);  in acpi_i2c_remove_space_handler()
482 static inline void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)  in acpi_i2c_remove_space_handler()  argument
485 static inline int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)  in acpi_i2c_install_space_handler()  argument
917 static int i2c_check_mux_parents(struct i2c_adapter *adapter, int addr)  in i2c_check_mux_parents()  argument
919 	struct i2c_adapter *parent = i2c_parent_is_i2c_adapter(adapter);  in i2c_check_mux_parents()
922 	result = device_for_each_child(&adapter->dev, &addr,  in i2c_check_mux_parents()
945 static int i2c_check_addr_busy(struct i2c_adapter *adapter, int addr)  in i2c_check_addr_busy()  argument
947 	struct i2c_adapter *parent = i2c_parent_is_i2c_adapter(adapter);  in i2c_check_addr_busy()
954 		result = device_for_each_child(&adapter->dev, &addr,  in i2c_check_addr_busy()
964 void i2c_lock_adapter(struct i2c_adapter *adapter)  in i2c_lock_adapter()  argument
966 	struct i2c_adapter *parent = i2c_parent_is_i2c_adapter(adapter);  in i2c_lock_adapter()
971 		rt_mutex_lock(&adapter->bus_lock);  in i2c_lock_adapter()
979 static int i2c_trylock_adapter(struct i2c_adapter *adapter)  in i2c_trylock_adapter()  argument
981 	struct i2c_adapter *parent = i2c_parent_is_i2c_adapter(adapter);  in i2c_trylock_adapter()
986 		return rt_mutex_trylock(&adapter->bus_lock);  in i2c_trylock_adapter()
993 void i2c_unlock_adapter(struct i2c_adapter *adapter)  in i2c_unlock_adapter()  argument
995 	struct i2c_adapter *parent = i2c_parent_is_i2c_adapter(adapter);  in i2c_unlock_adapter()
1000 		rt_mutex_unlock(&adapter->bus_lock);  in i2c_unlock_adapter()
1044 	client->adapter = adap;  in i2c_new_device()
1069 	client->dev.parent = &client->adapter->dev;  in i2c_new_device()
1150 struct i2c_client *i2c_new_dummy(struct i2c_adapter *adapter, u16 address)  in i2c_new_dummy()  argument
1156 	return i2c_new_device(adapter, &info);  in i2c_new_dummy()
1176 static inline unsigned int i2c_adapter_depth(struct i2c_adapter *adapter)  in i2c_adapter_depth()  argument
1180 	while ((adapter = i2c_parent_is_i2c_adapter(adapter)))  in i2c_adapter_depth()
1346 static void i2c_scan_static_board_info(struct i2c_adapter *adapter)  in i2c_scan_static_board_info()  argument
1352 		if (devinfo->busnum == adapter->nr  in i2c_scan_static_board_info()
1353 				&& !i2c_new_device(adapter,  in i2c_scan_static_board_info()
1355 			dev_err(&adapter->dev,  in i2c_scan_static_board_info()
1468 	struct i2c_adapter *adapter;  in of_find_i2c_adapter_by_node()  local
1474 	adapter = i2c_verify_adapter(dev);  in of_find_i2c_adapter_by_node()
1475 	if (!adapter)  in of_find_i2c_adapter_by_node()
1478 	return adapter;  in of_find_i2c_adapter_by_node()
1485 	struct i2c_adapter *adapter;  in of_get_i2c_adapter_by_node()  local
1487 	adapter = of_find_i2c_adapter_by_node(node);  in of_get_i2c_adapter_by_node()
1488 	if (!adapter)  in of_get_i2c_adapter_by_node()
1491 	if (!try_module_get(adapter->owner)) {  in of_get_i2c_adapter_by_node()
1492 		put_device(&adapter->dev);  in of_get_i2c_adapter_by_node()
1493 		adapter = NULL;  in of_get_i2c_adapter_by_node()
1496 	return adapter;  in of_get_i2c_adapter_by_node()
1665 int i2c_add_adapter(struct i2c_adapter *adapter)  in i2c_add_adapter()  argument
1667 	struct device *dev = &adapter->dev;  in i2c_add_adapter()
1673 			adapter->nr = id;  in i2c_add_adapter()
1674 			return __i2c_add_numbered_adapter(adapter);  in i2c_add_adapter()
1679 	id = idr_alloc(&i2c_adapter_idr, adapter,  in i2c_add_adapter()
1685 	adapter->nr = id;  in i2c_add_adapter()
1687 	return i2c_register_adapter(adapter);  in i2c_add_adapter()
1724 			      struct i2c_adapter *adapter)  in i2c_do_del_adapter()  argument
1731 		if (client->adapter == adapter) {  in i2c_do_del_adapter()
1732 			dev_dbg(&adapter->dev, "Removing %s at 0x%x\n",  in i2c_do_del_adapter()
2287 	struct i2c_adapter *adap = client->adapter;  in i2c_master_send()
2315 	struct i2c_adapter *adap = client->adapter;  in i2c_master_recv()
2385 	struct i2c_adapter *adapter = temp_client->adapter;  in i2c_detect_address()  local
2392 		dev_warn(&adapter->dev, "Invalid probe address 0x%02x\n",  in i2c_detect_address()
2398 	if (i2c_check_addr_busy(adapter, addr))  in i2c_detect_address()
2402 	if (!i2c_default_probe(adapter, addr))  in i2c_detect_address()
2417 		dev_err(&adapter->dev, "%s detection function provided "  in i2c_detect_address()
2424 		if (adapter->class & I2C_CLASS_DEPRECATED)  in i2c_detect_address()
2425 			dev_warn(&adapter->dev,  in i2c_detect_address()
2431 		dev_dbg(&adapter->dev, "Creating %s at 0x%02x\n",  in i2c_detect_address()
2433 		client = i2c_new_device(adapter, &info);  in i2c_detect_address()
2437 			dev_err(&adapter->dev, "Failed creating %s at 0x%02x\n",  in i2c_detect_address()
2443 static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver)  in i2c_detect()  argument
2448 	int adap_id = i2c_adapter_id(adapter);  in i2c_detect()
2455 	if (adapter->class == I2C_CLASS_DEPRECATED) {  in i2c_detect()
2456 		dev_dbg(&adapter->dev,  in i2c_detect()
2465 	if (!(adapter->class & driver->class))  in i2c_detect()
2472 	temp_client->adapter = adapter;  in i2c_detect()
2475 		dev_dbg(&adapter->dev, "found normal entry for adapter %d, "  in i2c_detect()
2537 	struct i2c_adapter *adapter;  in i2c_get_adapter()  local
2540 	adapter = idr_find(&i2c_adapter_idr, nr);  in i2c_get_adapter()
2541 	if (!adapter)  in i2c_get_adapter()
2544 	if (try_module_get(adapter->owner))  in i2c_get_adapter()
2545 		get_device(&adapter->dev);  in i2c_get_adapter()
2547 		adapter = NULL;  in i2c_get_adapter()
2551 	return adapter;  in i2c_get_adapter()
2638 	status = i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_read_byte()
2655 	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_write_byte()
2673 	status = i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_read_byte_data()
2694 	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_write_byte_data()
2713 	status = i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_read_word_data()
2734 	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_write_word_data()
2761 	status = i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_read_block_data()
2791 	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_write_block_data()
2807 	status = i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_read_i2c_block_data()
2827 	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_write_i2c_block_data()
2835 static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr,  in i2c_smbus_xfer_emulated()  argument
2913 				dev_err(&adapter->dev,  in i2c_smbus_xfer_emulated()
2926 			dev_err(&adapter->dev,  in i2c_smbus_xfer_emulated()
2944 				dev_err(&adapter->dev,  in i2c_smbus_xfer_emulated()
2954 		dev_err(&adapter->dev, "Unsupported transaction %d\n", size);  in i2c_smbus_xfer_emulated()
2973 	status = i2c_transfer(adapter, msg, num);  in i2c_smbus_xfer_emulated()
3022 s32 i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr, unsigned short flags,  in i2c_smbus_xfer()  argument
3033 	trace_smbus_write(adapter, addr, flags, read_write,  in i2c_smbus_xfer()
3035 	trace_smbus_read(adapter, addr, flags, read_write,  in i2c_smbus_xfer()
3040 	if (adapter->algo->smbus_xfer) {  in i2c_smbus_xfer()
3041 		i2c_lock_adapter(adapter);  in i2c_smbus_xfer()
3045 		for (res = 0, try = 0; try <= adapter->retries; try++) {  in i2c_smbus_xfer()
3046 			res = adapter->algo->smbus_xfer(adapter, addr, flags,  in i2c_smbus_xfer()
3052 				       orig_jiffies + adapter->timeout))  in i2c_smbus_xfer()
3055 		i2c_unlock_adapter(adapter);  in i2c_smbus_xfer()
3057 		if (res != -EOPNOTSUPP || !adapter->algo->master_xfer)  in i2c_smbus_xfer()
3065 	res = i2c_smbus_xfer_emulated(adapter, addr, flags, read_write,  in i2c_smbus_xfer()
3070 	trace_smbus_reply(adapter, addr, flags, read_write,  in i2c_smbus_xfer()
3072 	trace_smbus_result(adapter, addr, flags, read_write,  in i2c_smbus_xfer()
3107 	if (i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_I2C_BLOCK))  in i2c_smbus_read_i2c_block_data_or_emulated()
3110 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_BYTE_DATA))  in i2c_smbus_read_i2c_block_data_or_emulated()
3113 	if (i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_WORD_DATA)) {  in i2c_smbus_read_i2c_block_data_or_emulated()
3159 	if (!client->adapter->algo->reg_slave) {  in i2c_slave_register()
3166 	i2c_lock_adapter(client->adapter);  in i2c_slave_register()
3167 	ret = client->adapter->algo->reg_slave(client);  in i2c_slave_register()
3168 	i2c_unlock_adapter(client->adapter);  in i2c_slave_register()
3183 	if (!client->adapter->algo->unreg_slave) {  in i2c_slave_unregister()
3188 	i2c_lock_adapter(client->adapter);  in i2c_slave_unregister()
3189 	ret = client->adapter->algo->unreg_slave(client);  in i2c_slave_unregister()
3190 	i2c_unlock_adapter(client->adapter);  in i2c_slave_unregister()