1 /* 2 * drivers/net/ethernet/mellanox/mlxsw/minimal.c 3 * Copyright (c) 2016 Mellanox Technologies. All rights reserved. 4 * Copyright (c) 2016 Vadim Pasternak <vadimp@mellanox.com> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the names of the copyright holders nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * Alternatively, this software may be distributed under the terms of the 19 * GNU General Public License ("GPL") version 2 as published by the Free 20 * Software Foundation. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 26 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <linux/i2c.h> 36 #include <linux/kernel.h> 37 #include <linux/module.h> 38 #include <linux/mod_devicetable.h> 39 #include <linux/types.h> 40 41 #include "core.h" 42 #include "i2c.h" 43 44 static const char mlxsw_minimal_driver_name[] = "mlxsw_minimal"; 45 46 static const struct mlxsw_config_profile mlxsw_minimal_config_profile; 47 48 static struct mlxsw_driver mlxsw_minimal_driver = { 49 .kind = mlxsw_minimal_driver_name, 50 .priv_size = 1, 51 .profile = &mlxsw_minimal_config_profile, 52 }; 53 54 static const struct i2c_device_id mlxsw_minimal_i2c_id[] = { 55 { "mlxsw_minimal", 0}, 56 { }, 57 }; 58 59 static struct i2c_driver mlxsw_minimal_i2c_driver = { 60 .driver.name = "mlxsw_minimal", 61 .class = I2C_CLASS_HWMON, 62 .id_table = mlxsw_minimal_i2c_id, 63 }; 64 65 static int __init mlxsw_minimal_module_init(void) 66 { 67 int err; 68 69 err = mlxsw_core_driver_register(&mlxsw_minimal_driver); 70 if (err) 71 return err; 72 73 err = mlxsw_i2c_driver_register(&mlxsw_minimal_i2c_driver); 74 if (err) 75 goto err_i2c_driver_register; 76 77 return 0; 78 79 err_i2c_driver_register: 80 mlxsw_core_driver_unregister(&mlxsw_minimal_driver); 81 82 return err; 83 } 84 85 static void __exit mlxsw_minimal_module_exit(void) 86 { 87 mlxsw_i2c_driver_unregister(&mlxsw_minimal_i2c_driver); 88 mlxsw_core_driver_unregister(&mlxsw_minimal_driver); 89 } 90 91 module_init(mlxsw_minimal_module_init); 92 module_exit(mlxsw_minimal_module_exit); 93 94 MODULE_LICENSE("Dual BSD/GPL"); 95 MODULE_AUTHOR("Vadim Pasternak <vadimp@mellanox.com>"); 96 MODULE_DESCRIPTION("Mellanox minimal driver"); 97 MODULE_DEVICE_TABLE(i2c, mlxsw_minimal_i2c_id); 98