static int __devinit thermistor_probe(struct platform_device *pdev) { struct thermistor_pdata *pdata = pdev->dev.platform_data; struct thermistor *temp_sensor; int ret = 0; if (!pdata) { dev_err(&pdev->dev, "%s: platform data missing\n", __func__); return -EINVAL; } temp_sensor = devm_kzalloc(&pdev->dev, sizeof(struct thermistor), GFP_KERNEL); if (!temp_sensor) return -ENOMEM; temp_sensor->pdev = pdev; temp_sensor->dev = &pdev->dev; kobject_uevent(&pdev->dev.kobj, KOBJ_ADD); platform_set_drvdata(pdev, temp_sensor); temp_sensor->therm_fw = devm_kzalloc(&pdev->dev, sizeof(struct thermal_dev), GFP_KERNEL); if (temp_sensor->therm_fw) { temp_sensor->therm_fw->name = "thermistor"; temp_sensor->therm_fw->domain_name = pdata->domain; temp_sensor->therm_fw->slope = pdata->slope; temp_sensor->therm_fw->constant = pdata->offset; temp_sensor->therm_fw->dev = temp_sensor->dev; temp_sensor->therm_fw->dev_ops = &thermistor_ops; thermal_sensor_dev_register(temp_sensor->therm_fw); } else { dev_err(&pdev->dev, "%s:Cannot alloc memory for thermal fw\n", __func__); ret = -ENOMEM; goto therm_fw_alloc_err; } ret = sysfs_create_group(&pdev->dev.kobj, &thermistor_group); if (ret) { dev_err(&pdev->dev, "could not create sysfs files\n"); goto sysfs_create_err; } dev_info(&pdev->dev, "%s : '%s'\n", temp_sensor->therm_fw->name, pdata->name); dev_info(&pdev->dev, "slope - %d, offset - %d\n", pdata->slope, pdata->offset); return 0; sysfs_create_err: thermal_sensor_dev_unregister(temp_sensor->therm_fw); platform_set_drvdata(pdev, NULL); therm_fw_alloc_err: return ret; }
static int __devinit pcb_temp_sensor_probe(struct platform_device *pdev) { struct pcb_temp_sensor_pdata *pdata = pdev->dev.platform_data; struct pcb_temp_sensor *temp_sensor; int ret = 0; if (!pdata) { dev_err(&pdev->dev, "%s: platform data missing\n", __func__); return -EINVAL; } temp_sensor = kzalloc(sizeof(struct pcb_temp_sensor), GFP_KERNEL); if (!temp_sensor) return -ENOMEM; spin_lock_init(&temp_sensor->lock); mutex_init(&temp_sensor->sensor_mutex); temp_sensor->pdev = pdev; temp_sensor->dev = &pdev->dev; kobject_uevent(&pdev->dev.kobj, KOBJ_ADD); platform_set_drvdata(pdev, temp_sensor); temp_sensor->therm_fw = kzalloc(sizeof(struct thermal_dev), GFP_KERNEL); if (temp_sensor->therm_fw) { temp_sensor->therm_fw->name = "pcb_sensor"; temp_sensor->therm_fw->domain_name = "pcb"; temp_sensor->therm_fw->dev = temp_sensor->dev; temp_sensor->therm_fw->dev_ops = &pcb_sensor_ops; thermal_sensor_dev_register(temp_sensor->therm_fw); } else { dev_err(&pdev->dev, "%s:Cannot alloc memory for thermal fw\n", __func__); ret = -ENOMEM; goto therm_fw_alloc_err; } ret = sysfs_create_group(&pdev->dev.kobj, &pcb_temp_sensor_group); if (ret) { dev_err(&pdev->dev, "could not create sysfs files\n"); goto sysfs_create_err; } dev_info(&pdev->dev, "%s : '%s'\n", temp_sensor->therm_fw->name, pdata->name); return 0; sysfs_create_err: thermal_sensor_dev_unregister(temp_sensor->therm_fw); kfree(temp_sensor->therm_fw); platform_set_drvdata(pdev, NULL); therm_fw_alloc_err: mutex_destroy(&temp_sensor->sensor_mutex); kfree(temp_sensor); return ret; }
static int __devinit thermal_config_probe(struct platform_device *pdev) { struct thermal_config_name_pdata *pdata = pdev->dev.platform_data; struct thermal_config *thermal_conf; int ret = 0; if (!pdata) { dev_err(&pdev->dev, "%s: platform data missing\n", __func__); return -EINVAL; } thermal_conf = kzalloc(sizeof(struct thermal_config), GFP_KERNEL); if (!thermal_conf) return -ENOMEM; thermal_conf->pdev = pdev; thermal_conf->dev = &pdev->dev; kobject_uevent(&pdev->dev.kobj, KOBJ_ADD); platform_set_drvdata(pdev, thermal_conf); /* thermal_conf->therm_fw = kzalloc(sizeof(struct thermal_dev), GFP_KERNEL); if (NULL == thermal_conf->therm_fw) { dev_err(&pdev->dev, "%s:Cannot alloc memory for thermal fw\n", __func__); ret = -ENOMEM; goto therm_fw_alloc_err; } thermal_conf->therm_fw->name = "thermal_conf"; thermal_conf->therm_fw->domain_name = "cpu"; thermal_conf->therm_fw->dev = thermal_conf->dev; thermal_conf->therm_fw->dev_ops = &thermal_conf_ops; thermal_sensor_dev_register(thermal_conf->therm_fw); */ ret = sysfs_create_group(&pdev->dev.kobj,&thermal_conf_name_group); if (ret) { dev_err(&pdev->dev, "could not create sysfs files\n"); goto sysfs_create_err; } // dev_info(&pdev->dev, "%s : '%s'\n", thermal_conf->therm_fw->name,pdata->name); return ret; sysfs_create_err: thermal_sensor_dev_unregister(thermal_conf->therm_fw); // kfree(thermal_conf->therm_fw); platform_set_drvdata(pdev, NULL); therm_fw_alloc_err: kfree(thermal_conf); return ret; }
static int __devexit thermistor_remove(struct platform_device *pdev) { struct thermistor *temp_sensor = platform_get_drvdata(pdev); sysfs_remove_group(&pdev->dev.kobj, &thermistor_group); thermal_sensor_dev_unregister(temp_sensor->therm_fw); kobject_uevent(&temp_sensor->dev->kobj, KOBJ_REMOVE); platform_set_drvdata(pdev, NULL); return 0; }
static int __devexit thermal_config_remove(struct platform_device *pdev) { struct thermal_config *thermal_conf = platform_get_drvdata(pdev); sysfs_remove_group(&pdev->dev.kobj, &thermal_conf_name_group); thermal_sensor_dev_unregister(thermal_conf->therm_fw); // kfree(thermal_conf->therm_fw); kobject_uevent(&thermal_conf->dev->kobj, KOBJ_REMOVE); platform_set_drvdata(pdev, NULL); kfree(thermal_conf); return 0; }
static int __devexit pcb_temp_sensor_remove(struct platform_device *pdev) { struct pcb_temp_sensor *temp_sensor = platform_get_drvdata(pdev); sysfs_remove_group(&pdev->dev.kobj, &pcb_temp_sensor_group); cancel_delayed_work_sync(&temp_sensor->pcb_sensor_work); thermal_sensor_dev_unregister(temp_sensor->therm_fw); kfree(temp_sensor->therm_fw); kobject_uevent(&temp_sensor->dev->kobj, KOBJ_REMOVE); platform_set_drvdata(pdev, NULL); mutex_destroy(&temp_sensor->sensor_mutex); kfree(temp_sensor); return 0; }
static int __devexit thermal_config_remove(struct platform_device *pdev) { struct thermal_config *thermal_conf = platform_get_drvdata(pdev); if(NULL == thermal_conf) { dev_err(&pdev->dev, "%s: thermal_config is null\n", __func__); return -ENODEV; } sysfs_remove_group(&pdev->dev.kobj, &thermal_conf_name_group); thermal_sensor_dev_unregister(thermal_conf->therm_fw); // kfree(thermal_conf->therm_fw); kobject_uevent(&thermal_conf->dev->kobj, KOBJ_REMOVE); platform_set_drvdata(pdev, NULL); kfree(thermal_conf); return 0; }
static int __devexit sim_temp_sensor_remove(struct platform_device *pdev) { struct sim_temp_sensor *temp_sensor = platform_get_drvdata(pdev); if (NULL == temp_sensor) { pr_err("%s %d, platform_get_drvdata is NULL\n", __func__, __LINE__); return -1; } sysfs_remove_group(&pdev->dev.kobj, &sim_temp_sensor_group); thermal_sensor_dev_unregister(temp_sensor->therm_fw); kfree(temp_sensor->therm_fw); kobject_uevent(&temp_sensor->dev->kobj, KOBJ_REMOVE); platform_set_drvdata(pdev, NULL); kfree(temp_sensor); return 0; }
static int __devexit omap_temp_sensor_remove(struct platform_device *pdev) { struct omap_temp_sensor *temp_sensor = platform_get_drvdata(pdev); thermal_sensor_dev_unregister(temp_sensor->therm_fw); kfree(temp_sensor->therm_fw); kobject_uevent(&temp_sensor->dev->kobj, KOBJ_REMOVE); sysfs_remove_group(&temp_sensor->dev->kobj, &omap_temp_sensor_group); omap_temp_sensor_disable(temp_sensor); if (temp_sensor->clock) clk_put(temp_sensor->clock); platform_set_drvdata(pdev, NULL); if (temp_sensor->irq) free_irq(temp_sensor->irq, temp_sensor); if (temp_sensor->tshut_irq) free_irq(temp_sensor->tshut_irq, temp_sensor); mutex_destroy(&temp_sensor->sensor_mutex); kfree(temp_sensor); return 0; }
static int __devinit pcb_temp_sensor_probe(struct platform_device *pdev) { struct pcb_temp_sensor_pdata *pdata = pdev->dev.platform_data; struct pcb_temp_sensor *temp_sensor; int ret = 0; if (!pdata) { dev_err(&pdev->dev, "%s: platform data missing\n", __func__); return -EINVAL; } temp_sensor = kzalloc(sizeof(struct pcb_temp_sensor), GFP_KERNEL); if (!temp_sensor) return -ENOMEM; /* Init delayed work for PCB sensor temperature */ INIT_DELAYED_WORK(&temp_sensor->pcb_sensor_work, pcb_sensor_delayed_work_fn); spin_lock_init(&temp_sensor->lock); mutex_init(&temp_sensor->sensor_mutex); temp_sensor->pdev = pdev; temp_sensor->dev = &pdev->dev; kobject_uevent(&pdev->dev.kobj, KOBJ_ADD); platform_set_drvdata(pdev, temp_sensor); temp_sensor->therm_fw = kzalloc(sizeof(struct thermal_dev), GFP_KERNEL); if (temp_sensor->therm_fw) { temp_sensor->therm_fw->name = "pcb_sensor"; temp_sensor->therm_fw->domain_name = "cpu"; temp_sensor->therm_fw->dev = temp_sensor->dev; temp_sensor->therm_fw->dev_ops = &pcb_sensor_ops; thermal_sensor_dev_register(temp_sensor->therm_fw); } else { dev_err(&pdev->dev, "%s:Cannot alloc memory for thermal fw\n", __func__); ret = -ENOMEM; goto therm_fw_alloc_err; } ret = sysfs_create_group(&pdev->dev.kobj, &pcb_temp_sensor_group); if (ret) { dev_err(&pdev->dev, "could not create sysfs files\n"); goto sysfs_create_err; } temp_sensor->work_delay = PCB_REPORT_DELAY_MS; schedule_delayed_work(&temp_sensor->pcb_sensor_work, msecs_to_jiffies(0)); dev_info(&pdev->dev, "%s : '%s'\n", temp_sensor->therm_fw->name, pdata->name); return 0; sysfs_create_err: thermal_sensor_dev_unregister(temp_sensor->therm_fw); kfree(temp_sensor->therm_fw); platform_set_drvdata(pdev, NULL); therm_fw_alloc_err: mutex_destroy(&temp_sensor->sensor_mutex); kfree(temp_sensor); return ret; }
static int __devinit omap_temp_sensor_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct omap_temp_sensor_pdata *pdata = pdev->dev.platform_data; struct omap_temp_sensor *temp_sensor; struct resource *mem; int ret = 0, val; if (!pdata) { dev_err(&pdev->dev, "%s: platform data missing\n", __func__); return -EINVAL; } temp_sensor = kzalloc(sizeof(struct omap_temp_sensor), GFP_KERNEL); if (!temp_sensor) return -ENOMEM; spin_lock_init(&temp_sensor->lock); mutex_init(&temp_sensor->sensor_mutex); mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!mem) { dev_err(&pdev->dev, "%s:no mem resource\n", __func__); ret = -EINVAL; goto plat_res_err; } temp_sensor->irq = platform_get_irq_byname(pdev, "thermal_alert"); if (temp_sensor->irq < 0) { dev_err(&pdev->dev, "%s:Cannot get thermal alert irq\n", __func__); ret = -EINVAL; goto get_irq_err; } ret = gpio_request_one(OMAP_TSHUT_GPIO, GPIOF_DIR_IN, "thermal_shutdown"); if (ret) { dev_err(&pdev->dev, "%s: Could not get tshut_gpio\n", __func__); goto tshut_gpio_req_err; } temp_sensor->tshut_irq = gpio_to_irq(OMAP_TSHUT_GPIO); if (temp_sensor->tshut_irq < 0) { dev_err(&pdev->dev, "%s:Cannot get thermal shutdown irq\n", __func__); ret = -EINVAL; goto get_tshut_irq_err; } temp_sensor->phy_base = pdata->offset; temp_sensor->pdev = pdev; temp_sensor->dev = dev; pm_runtime_enable(dev); pm_runtime_irq_safe(dev); kobject_uevent(&pdev->dev.kobj, KOBJ_ADD); platform_set_drvdata(pdev, temp_sensor); /* * check if the efuse has a non-zero value if not * it is an untrimmed sample and the temperatures * may not be accurate */ if (omap_readl(OMAP4_CTRL_MODULE_CORE + OMAP4_CTRL_MODULE_CORE_STD_FUSE_OPP_BGAP)) temp_sensor->is_efuse_valid = 1; temp_sensor->clock = clk_get(&temp_sensor->pdev->dev, "fck"); if (IS_ERR(temp_sensor->clock)) { ret = PTR_ERR(temp_sensor->clock); pr_err("%s:Unable to get fclk: %d\n", __func__, ret); ret = -EINVAL; goto clk_get_err; } ret = omap_temp_sensor_enable(temp_sensor); if (ret) { dev_err(&pdev->dev, "%s:Cannot enable temp sensor\n", __func__); goto sensor_enable_err; } temp_sensor->therm_fw = kzalloc(sizeof(struct thermal_dev), GFP_KERNEL); if (temp_sensor->therm_fw) { temp_sensor->therm_fw->name = "omap_ondie_sensor"; temp_sensor->therm_fw->domain_name = "cpu"; temp_sensor->therm_fw->dev = temp_sensor->dev; temp_sensor->therm_fw->dev_ops = &omap_sensor_ops; thermal_sensor_dev_register(temp_sensor->therm_fw); } else { dev_err(&pdev->dev, "%s:Cannot alloc memory for thermal fw\n", __func__); ret = -ENOMEM; goto therm_fw_alloc_err; } omap_enable_continuous_mode(temp_sensor, 1); omap_configure_temp_sensor_thresholds(temp_sensor); /* 1 ms */ omap_configure_temp_sensor_counter(temp_sensor, 1); /* Wait till the first conversion is done wait for at least 1ms */ mdelay(2); /* Read the temperature once due to hw issue*/ omap_report_temp(temp_sensor->therm_fw); /* Set 250 milli-seconds time as default counter */ omap_configure_temp_sensor_counter(temp_sensor, temp_sensor->clk_rate * 250 / 1000); ret = sysfs_create_group(&pdev->dev.kobj, &omap_temp_sensor_group); if (ret) { dev_err(&pdev->dev, "could not create sysfs files\n"); goto sysfs_create_err; } ret = request_threaded_irq(temp_sensor->irq, NULL, omap_talert_irq_handler, IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "temp_sensor", (void *)temp_sensor); if (ret) { dev_err(&pdev->dev, "Request threaded irq failed.\n"); goto req_irq_err; } ret = request_threaded_irq(temp_sensor->tshut_irq, NULL, omap_tshut_irq_handler, IRQF_TRIGGER_RISING | IRQF_ONESHOT, "tshut", (void *)temp_sensor); if (ret) { dev_err(&pdev->dev, "Request threaded irq failed for TSHUT.\n"); goto tshut_irq_req_err; } /* unmask the T_COLD and unmask T_HOT at init */ val = omap_temp_sensor_readl(temp_sensor, BGAP_CTRL_OFFSET); val |= OMAP4_MASK_COLD_MASK; val |= OMAP4_MASK_HOT_MASK; omap_temp_sensor_writel(temp_sensor, val, BGAP_CTRL_OFFSET); dev_info(&pdev->dev, "%s : '%s'\n", temp_sensor->therm_fw->name, pdata->name); temp_sensor_pm = temp_sensor; return 0; tshut_irq_req_err: free_irq(temp_sensor->irq, temp_sensor); req_irq_err: kobject_uevent(&temp_sensor->dev->kobj, KOBJ_REMOVE); sysfs_remove_group(&temp_sensor->dev->kobj, &omap_temp_sensor_group); sysfs_create_err: thermal_sensor_dev_unregister(temp_sensor->therm_fw); kfree(temp_sensor->therm_fw); if (temp_sensor->clock) clk_put(temp_sensor->clock); platform_set_drvdata(pdev, NULL); therm_fw_alloc_err: omap_temp_sensor_disable(temp_sensor); sensor_enable_err: clk_put(temp_sensor->clock); clk_get_err: pm_runtime_disable(&pdev->dev); get_tshut_irq_err: gpio_free(OMAP_TSHUT_GPIO); tshut_gpio_req_err: get_irq_err: plat_res_err: mutex_destroy(&temp_sensor->sensor_mutex); kfree(temp_sensor); return ret; }
static int __devinit tmp102_temp_sensor_probe( struct i2c_client *client, const struct i2c_device_id *id) { struct tmp102_temp_sensor *tmp102; int ret = 0; #ifdef CONFIG_THERMAL_DEBUG printk(KERN_DEBUG "%s\n", __func__); #endif if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA)) { dev_err(&client->dev, "adapter doesn't support SMBus word " "transactions\n"); return -ENODEV; } tmp102 = kzalloc(sizeof(struct tmp102_temp_sensor), GFP_KERNEL); if (!tmp102) return -ENOMEM; mutex_init(&tmp102->sensor_mutex); tmp102->iclient = client; tmp102->dev = &client->dev; kobject_uevent(&client->dev.kobj, KOBJ_ADD); i2c_set_clientdata(client, tmp102); ret = tmp102_read_reg(client, TMP102_CONF_REG); if (ret < 0) { dev_err(&client->dev, "error reading config register\n"); goto free_err; } tmp102->config_orig = ret; ret = tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONFIG); if (ret < 0) { dev_err(&client->dev, "error writing config register\n"); goto restore_config_err; } ret = tmp102_read_reg(client, TMP102_CONF_REG); if (ret < 0) { dev_err(&client->dev, "error reading config register\n"); goto restore_config_err; } ret &= ~TMP102_CONFIG_RD_ONLY; if (ret != TMP102_CONFIG) { dev_err(&client->dev, "config settings did not stick\n"); ret = -ENODEV; goto restore_config_err; } tmp102->last_update = jiffies - HZ; mutex_init(&tmp102->sensor_mutex); ret = sysfs_create_group(&client->dev.kobj, &tmp102_temp_sensor_attr_group); if (ret) goto sysfs_create_err; tmp102->therm_fw = kzalloc(sizeof(struct thermal_dev), GFP_KERNEL); if (tmp102->therm_fw) { tmp102->therm_fw->name = TMP102_SENSOR_NAME; tmp102->therm_fw->domain_name = "pcb"; tmp102->therm_fw->dev = tmp102->dev; tmp102->therm_fw->dev_ops = &tmp102_temp_sensor_ops; thermal_sensor_dev_register(tmp102->therm_fw); } else { ret = -ENOMEM; goto therm_fw_alloc_err; } dev_info(&client->dev, "initialized\n"); return 0; sysfs_create_err: thermal_sensor_dev_unregister(tmp102->therm_fw); kfree(tmp102->therm_fw); restore_config_err: tmp102_write_reg(client, TMP102_CONF_REG, tmp102->config_orig); therm_fw_alloc_err: free_err: mutex_destroy(&tmp102->sensor_mutex); kfree(tmp102); return ret; }