/* called from igb_main.c */ int igb_sysfs_init(struct igb_adapter *adapter) { struct hwmon_buff *igb_hwmon; struct i2c_client *client; #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0) struct device *hwmon_dev; #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0) */ unsigned int i; int rc = 0; /* If this method isn't defined we don't support thermals */ if (adapter->hw.mac.ops.init_thermal_sensor_thresh == NULL) goto exit; /* Don't create thermal hwmon interface if no sensors present */ rc = (adapter->hw.mac.ops.init_thermal_sensor_thresh(&adapter->hw)); if (rc) goto exit; igb_hwmon = devm_kzalloc(&adapter->pdev->dev, sizeof(*igb_hwmon), GFP_KERNEL); if (!igb_hwmon) { rc = -ENOMEM; goto exit; } adapter->igb_hwmon_buff = igb_hwmon; for (i = 0; i < E1000_MAX_SENSORS; i++) { /* Only create hwmon sysfs entries for sensors that have * meaningful data. */ if (adapter->hw.mac.thermal_sensor_data.sensor[i].location == 0) continue; /* Bail if any hwmon attr struct fails to initialize */ rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_CAUTION); if (rc) goto exit; rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_LOC); if (rc) goto exit; rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_TEMP); if (rc) goto exit; rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_MAX); if (rc) goto exit; } /* init i2c_client */ client = i2c_new_device(&adapter->i2c_adap, &i350_sensor_info); if (client == NULL) { dev_info(&adapter->pdev->dev, "Failed to create new i2c device.\n"); rc = -ENODEV; goto exit; } adapter->i2c_client = client; igb_hwmon->groups[0] = &igb_hwmon->group; igb_hwmon->group.attrs = igb_hwmon->attrs; #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0) hwmon_dev = devm_hwmon_device_register_with_groups(&adapter->pdev->dev, client->name, igb_hwmon, igb_hwmon->groups); if (IS_ERR(hwmon_dev)) { rc = PTR_ERR(hwmon_dev); goto err; } goto exit; err: #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0) */ igb_sysfs_del_adapter(adapter); exit: return rc; }
/* called from igb_main.c */ int igb_sysfs_init(struct igb_adapter *adapter) { struct hwmon_buff *igb_hwmon = &adapter->igb_hwmon_buff; unsigned int i; int n_attrs; int rc = 0; #ifdef HAVE_I2C_SUPPORT struct i2c_client *client = NULL; #endif /* HAVE_I2C_SUPPORT */ /* If this method isn't defined we don't support thermals */ if (adapter->hw.mac.ops.init_thermal_sensor_thresh == NULL) goto exit; /* Don't create thermal hwmon interface if no sensors present */ rc = (adapter->hw.mac.ops.init_thermal_sensor_thresh(&adapter->hw)); if (rc) goto exit; #ifdef HAVE_I2C_SUPPORT /* init i2c_client */ client = i2c_new_device(&adapter->i2c_adap, &i350_sensor_info); if (client == NULL) { dev_info(&adapter->pdev->dev, "Failed to create new i2c device..\n"); goto exit; } adapter->i2c_client = client; #endif /* HAVE_I2C_SUPPORT */ /* Allocation space for max attributes * max num sensors * values (loc, temp, max, caution) */ n_attrs = E1000_MAX_SENSORS * 4; igb_hwmon->hwmon_list = kcalloc(n_attrs, sizeof(struct hwmon_attr), GFP_KERNEL); if (!igb_hwmon->hwmon_list) { rc = -ENOMEM; goto err; } igb_hwmon->device = hwmon_device_register(&adapter->pdev->dev); if (IS_ERR(igb_hwmon->device)) { rc = PTR_ERR(igb_hwmon->device); goto err; } for (i = 0; i < E1000_MAX_SENSORS; i++) { /* Only create hwmon sysfs entries for sensors that have * meaningful data. */ if (adapter->hw.mac.thermal_sensor_data.sensor[i].location == 0) continue; /* Bail if any hwmon attr struct fails to initialize */ rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_CAUTION); rc |= igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_LOC); rc |= igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_TEMP); rc |= igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_MAX); if (rc) goto err; } goto exit; err: igb_sysfs_del_adapter(adapter); exit: return rc; }