67 static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver);
84 	struct i2c_adapter *adapter;  member
124 	struct i2c_adapter *adapter = data;  in acpi_i2c_add_device()  local
149 	if (!i2c_new_device(adapter, &info)) {  in acpi_i2c_add_device()
151 		dev_err(&adapter->dev,  in acpi_i2c_add_device()
213 	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));  in acpi_gsb_i2c_read_bytes()
215 		dev_err(&client->adapter->dev, "i2c read failed\n");  in acpi_gsb_i2c_read_bytes()
243 	ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));  in acpi_gsb_i2c_write_bytes()
245 		dev_err(&client->adapter->dev, "i2c write failed\n");  in acpi_gsb_i2c_write_bytes()
260 	struct i2c_adapter *adapter = data->adapter;  in acpi_i2c_space_handler()  local
284 	client.adapter = adapter;  in acpi_i2c_space_handler()
370 static int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)  in acpi_i2c_install_space_handler()  argument
376 	if (!adapter->dev.parent)  in acpi_i2c_install_space_handler()
379 	handle = ACPI_HANDLE(adapter->dev.parent);  in acpi_i2c_install_space_handler()
389 	data->adapter = adapter;  in acpi_i2c_install_space_handler()
402 		dev_err(&adapter->dev, "Error installing i2c space handler\n");  in acpi_i2c_install_space_handler()
412 static void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)  in acpi_i2c_remove_space_handler()  argument
418 	if (!adapter->dev.parent)  in acpi_i2c_remove_space_handler()
421 	handle = ACPI_HANDLE(adapter->dev.parent);  in acpi_i2c_remove_space_handler()
437 static inline void acpi_i2c_remove_space_handler(struct i2c_adapter *adapter)  in acpi_i2c_remove_space_handler()  argument
440 static inline int acpi_i2c_install_space_handler(struct i2c_adapter *adapter)  in acpi_i2c_install_space_handler()  argument
818 static int i2c_check_mux_parents(struct i2c_adapter *adapter, int addr)  in i2c_check_mux_parents()  argument
820 	struct i2c_adapter *parent = i2c_parent_is_i2c_adapter(adapter);  in i2c_check_mux_parents()
823 	result = device_for_each_child(&adapter->dev, &addr,  in i2c_check_mux_parents()
846 static int i2c_check_addr_busy(struct i2c_adapter *adapter, int addr)  in i2c_check_addr_busy()  argument
848 	struct i2c_adapter *parent = i2c_parent_is_i2c_adapter(adapter);  in i2c_check_addr_busy()
855 		result = device_for_each_child(&adapter->dev, &addr,  in i2c_check_addr_busy()
865 void i2c_lock_adapter(struct i2c_adapter *adapter)  in i2c_lock_adapter()  argument
867 	struct i2c_adapter *parent = i2c_parent_is_i2c_adapter(adapter);  in i2c_lock_adapter()
872 		rt_mutex_lock(&adapter->bus_lock);  in i2c_lock_adapter()
880 static int i2c_trylock_adapter(struct i2c_adapter *adapter)  in i2c_trylock_adapter()  argument
882 	struct i2c_adapter *parent = i2c_parent_is_i2c_adapter(adapter);  in i2c_trylock_adapter()
887 		return rt_mutex_trylock(&adapter->bus_lock);  in i2c_trylock_adapter()
894 void i2c_unlock_adapter(struct i2c_adapter *adapter)  in i2c_unlock_adapter()  argument
896 	struct i2c_adapter *parent = i2c_parent_is_i2c_adapter(adapter);  in i2c_unlock_adapter()
901 		rt_mutex_unlock(&adapter->bus_lock);  in i2c_unlock_adapter()
947 	client->adapter = adap;  in i2c_new_device()
973 	client->dev.parent = &client->adapter->dev;  in i2c_new_device()
1052 struct i2c_client *i2c_new_dummy(struct i2c_adapter *adapter, u16 address)  in i2c_new_dummy()  argument
1058 	return i2c_new_device(adapter, &info);  in i2c_new_dummy()
1078 static inline unsigned int i2c_adapter_depth(struct i2c_adapter *adapter)  in i2c_adapter_depth()  argument
1082 	while ((adapter = i2c_parent_is_i2c_adapter(adapter)))  in i2c_adapter_depth()
1238 static void i2c_scan_static_board_info(struct i2c_adapter *adapter)  in i2c_scan_static_board_info()  argument
1244 		if (devinfo->busnum == adapter->nr  in i2c_scan_static_board_info()
1245 				&& !i2c_new_device(adapter,  in i2c_scan_static_board_info()
1247 			dev_err(&adapter->dev,  in i2c_scan_static_board_info()
1516 int i2c_add_adapter(struct i2c_adapter *adapter)  in i2c_add_adapter()  argument
1518 	struct device *dev = &adapter->dev;  in i2c_add_adapter()
1524 			adapter->nr = id;  in i2c_add_adapter()
1525 			return __i2c_add_numbered_adapter(adapter);  in i2c_add_adapter()
1530 	id = idr_alloc(&i2c_adapter_idr, adapter,  in i2c_add_adapter()
1536 	adapter->nr = id;  in i2c_add_adapter()
1538 	return i2c_register_adapter(adapter);  in i2c_add_adapter()
1575 			      struct i2c_adapter *adapter)  in i2c_do_del_adapter()  argument
1582 		if (client->adapter == adapter) {  in i2c_do_del_adapter()
1583 			dev_dbg(&adapter->dev, "Removing %s at 0x%x\n",  in i2c_do_del_adapter()
2129 	struct i2c_adapter *adap = client->adapter;  in i2c_master_send()
2157 	struct i2c_adapter *adap = client->adapter;  in i2c_master_recv()
2227 	struct i2c_adapter *adapter = temp_client->adapter;  in i2c_detect_address()  local
2234 		dev_warn(&adapter->dev, "Invalid probe address 0x%02x\n",  in i2c_detect_address()
2240 	if (i2c_check_addr_busy(adapter, addr))  in i2c_detect_address()
2244 	if (!i2c_default_probe(adapter, addr))  in i2c_detect_address()
2259 		dev_err(&adapter->dev, "%s detection function provided "  in i2c_detect_address()
2266 		if (adapter->class & I2C_CLASS_DEPRECATED)  in i2c_detect_address()
2267 			dev_warn(&adapter->dev,  in i2c_detect_address()
2273 		dev_dbg(&adapter->dev, "Creating %s at 0x%02x\n",  in i2c_detect_address()
2275 		client = i2c_new_device(adapter, &info);  in i2c_detect_address()
2279 			dev_err(&adapter->dev, "Failed creating %s at 0x%02x\n",  in i2c_detect_address()
2285 static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver)  in i2c_detect()  argument
2290 	int adap_id = i2c_adapter_id(adapter);  in i2c_detect()
2297 	if (adapter->class == I2C_CLASS_DEPRECATED) {  in i2c_detect()
2298 		dev_dbg(&adapter->dev,  in i2c_detect()
2307 	if (!(adapter->class & driver->class))  in i2c_detect()
2314 	temp_client->adapter = adapter;  in i2c_detect()
2317 		dev_dbg(&adapter->dev, "found normal entry for adapter %d, "  in i2c_detect()
2379 	struct i2c_adapter *adapter;  in i2c_get_adapter()  local
2382 	adapter = idr_find(&i2c_adapter_idr, nr);  in i2c_get_adapter()
2383 	if (adapter && !try_module_get(adapter->owner))  in i2c_get_adapter()
2384 		adapter = NULL;  in i2c_get_adapter()
2387 	return adapter;  in i2c_get_adapter()
2471 	status = i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_read_byte()
2488 	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_write_byte()
2506 	status = i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_read_byte_data()
2527 	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_write_byte_data()
2546 	status = i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_read_word_data()
2567 	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_write_word_data()
2594 	status = i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_read_block_data()
2624 	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_write_block_data()
2640 	status = i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_read_i2c_block_data()
2660 	return i2c_smbus_xfer(client->adapter, client->addr, client->flags,  in i2c_smbus_write_i2c_block_data()
2668 static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr,  in i2c_smbus_xfer_emulated()  argument
2746 				dev_err(&adapter->dev,  in i2c_smbus_xfer_emulated()
2759 			dev_err(&adapter->dev,  in i2c_smbus_xfer_emulated()
2777 				dev_err(&adapter->dev,  in i2c_smbus_xfer_emulated()
2787 		dev_err(&adapter->dev, "Unsupported transaction %d\n", size);  in i2c_smbus_xfer_emulated()
2806 	status = i2c_transfer(adapter, msg, num);  in i2c_smbus_xfer_emulated()
2855 s32 i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr, unsigned short flags,  in i2c_smbus_xfer()  argument
2866 	trace_smbus_write(adapter, addr, flags, read_write,  in i2c_smbus_xfer()
2868 	trace_smbus_read(adapter, addr, flags, read_write,  in i2c_smbus_xfer()
2873 	if (adapter->algo->smbus_xfer) {  in i2c_smbus_xfer()
2874 		i2c_lock_adapter(adapter);  in i2c_smbus_xfer()
2878 		for (res = 0, try = 0; try <= adapter->retries; try++) {  in i2c_smbus_xfer()
2879 			res = adapter->algo->smbus_xfer(adapter, addr, flags,  in i2c_smbus_xfer()
2885 				       orig_jiffies + adapter->timeout))  in i2c_smbus_xfer()
2888 		i2c_unlock_adapter(adapter);  in i2c_smbus_xfer()
2890 		if (res != -EOPNOTSUPP || !adapter->algo->master_xfer)  in i2c_smbus_xfer()
2898 	res = i2c_smbus_xfer_emulated(adapter, addr, flags, read_write,  in i2c_smbus_xfer()
2903 	trace_smbus_reply(adapter, addr, flags, read_write,  in i2c_smbus_xfer()
2905 	trace_smbus_result(adapter, addr, flags, read_write,  in i2c_smbus_xfer()
2927 	if (!client->adapter->algo->reg_slave)  in i2c_slave_register()
2932 	i2c_lock_adapter(client->adapter);  in i2c_slave_register()
2933 	ret = client->adapter->algo->reg_slave(client);  in i2c_slave_register()
2934 	i2c_unlock_adapter(client->adapter);  in i2c_slave_register()
2947 	if (!client->adapter->algo->unreg_slave)  in i2c_slave_unregister()
2950 	i2c_lock_adapter(client->adapter);  in i2c_slave_unregister()
2951 	ret = client->adapter->algo->unreg_slave(client);  in i2c_slave_unregister()
2952 	i2c_unlock_adapter(client->adapter);  in i2c_slave_unregister()