diff options
Diffstat (limited to 'drivers/thermal/imx_thermal.c')
-rw-r--r-- | drivers/thermal/imx_thermal.c | 70 |
1 files changed, 21 insertions, 49 deletions
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index fb0d5cab70af..a94ec0a0c9dd 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -252,7 +252,7 @@ static void imx_set_alarm_temp(struct imx_thermal_data *data, static int imx_get_temp(struct thermal_zone_device *tz, int *temp) { - struct imx_thermal_data *data = tz->devdata; + struct imx_thermal_data *data = thermal_zone_device_priv(tz); const struct thermal_soc_data *soc_data = data->socdata; struct regmap *map = data->tempmon; unsigned int n_meas; @@ -265,10 +265,8 @@ static int imx_get_temp(struct thermal_zone_device *tz, int *temp) regmap_read(map, soc_data->temp_data, &val); - if ((val & soc_data->temp_valid_mask) == 0) { - dev_dbg(&tz->device, "temp measurement never finished\n"); + if ((val & soc_data->temp_valid_mask) == 0) return -EAGAIN; - } n_meas = (val & soc_data->temp_value_mask) >> soc_data->temp_value_shift; @@ -287,13 +285,13 @@ static int imx_get_temp(struct thermal_zone_device *tz, int *temp) if (data->alarm_temp == trips[IMX_TRIP_CRITICAL].temperature && *temp < trips[IMX_TRIP_PASSIVE].temperature) { imx_set_alarm_temp(data, trips[IMX_TRIP_PASSIVE].temperature); - dev_dbg(&tz->device, "thermal alarm off: T < %d\n", + dev_dbg(data->dev, "thermal alarm off: T < %d\n", data->alarm_temp / 1000); } } if (*temp != data->last_temp) { - dev_dbg(&tz->device, "millicelsius: %d\n", *temp); + dev_dbg(data->dev, "millicelsius: %d\n", *temp); data->last_temp = *temp; } @@ -311,7 +309,7 @@ static int imx_get_temp(struct thermal_zone_device *tz, int *temp) static int imx_change_mode(struct thermal_zone_device *tz, enum thermal_device_mode mode) { - struct imx_thermal_data *data = tz->devdata; + struct imx_thermal_data *data = thermal_zone_device_priv(tz); if (mode == THERMAL_DEVICE_ENABLED) { pm_runtime_get(data->dev); @@ -332,33 +330,29 @@ static int imx_change_mode(struct thermal_zone_device *tz, return 0; } -static int imx_get_crit_temp(struct thermal_zone_device *tz, int *temp) -{ - *temp = trips[IMX_TRIP_CRITICAL].temperature; - - return 0; -} - -static int imx_set_trip_temp(struct thermal_zone_device *tz, int trip, +static int imx_set_trip_temp(struct thermal_zone_device *tz, int trip_id, int temp) { - struct imx_thermal_data *data = tz->devdata; + struct imx_thermal_data *data = thermal_zone_device_priv(tz); + struct thermal_trip trip; int ret; ret = pm_runtime_resume_and_get(data->dev); if (ret < 0) return ret; + ret = __thermal_zone_get_trip(tz, trip_id, &trip); + if (ret) + return ret; + /* do not allow changing critical threshold */ - if (trip == IMX_TRIP_CRITICAL) + if (trip.type == THERMAL_TRIP_CRITICAL) return -EPERM; /* do not allow passive to be set higher than critical */ if (temp < 0 || temp > trips[IMX_TRIP_CRITICAL].temperature) return -EINVAL; - trips[IMX_TRIP_PASSIVE].temperature = temp; - imx_set_alarm_temp(data, temp); pm_runtime_put(data->dev); @@ -369,36 +363,16 @@ static int imx_set_trip_temp(struct thermal_zone_device *tz, int trip, static int imx_bind(struct thermal_zone_device *tz, struct thermal_cooling_device *cdev) { - int ret; - - ret = thermal_zone_bind_cooling_device(tz, IMX_TRIP_PASSIVE, cdev, - THERMAL_NO_LIMIT, - THERMAL_NO_LIMIT, - THERMAL_WEIGHT_DEFAULT); - if (ret) { - dev_err(&tz->device, - "binding zone %s with cdev %s failed:%d\n", - tz->type, cdev->type, ret); - return ret; - } - - return 0; + return thermal_zone_bind_cooling_device(tz, IMX_TRIP_PASSIVE, cdev, + THERMAL_NO_LIMIT, + THERMAL_NO_LIMIT, + THERMAL_WEIGHT_DEFAULT); } static int imx_unbind(struct thermal_zone_device *tz, struct thermal_cooling_device *cdev) { - int ret; - - ret = thermal_zone_unbind_cooling_device(tz, IMX_TRIP_PASSIVE, cdev); - if (ret) { - dev_err(&tz->device, - "unbinding zone %s with cdev %s failed:%d\n", - tz->type, cdev->type, ret); - return ret; - } - - return 0; + return thermal_zone_unbind_cooling_device(tz, IMX_TRIP_PASSIVE, cdev); } static struct thermal_zone_device_ops imx_tz_ops = { @@ -406,7 +380,6 @@ static struct thermal_zone_device_ops imx_tz_ops = { .unbind = imx_unbind, .get_temp = imx_get_temp, .change_mode = imx_change_mode, - .get_crit_temp = imx_get_crit_temp, .set_trip_temp = imx_set_trip_temp, }; @@ -560,8 +533,7 @@ static irqreturn_t imx_thermal_alarm_irq_thread(int irq, void *dev) { struct imx_thermal_data *data = dev; - dev_dbg(&data->tz->device, "THERMAL ALARM: T > %d\n", - data->alarm_temp / 1000); + dev_dbg(data->dev, "THERMAL ALARM: T > %d\n", data->alarm_temp / 1000); thermal_zone_device_update(data->tz, THERMAL_EVENT_UNSPECIFIED); @@ -594,7 +566,7 @@ static int imx_thermal_register_legacy_cooling(struct imx_thermal_data *data) np = of_get_cpu_node(data->policy->cpu, NULL); - if (!np || !of_find_property(np, "#cooling-cells", NULL)) { + if (!np || !of_property_present(np, "#cooling-cells")) { data->cdev = cpufreq_cooling_register(data->policy); if (IS_ERR(data->cdev)) { ret = PTR_ERR(data->cdev); @@ -671,7 +643,7 @@ static int imx_thermal_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); - if (of_find_property(pdev->dev.of_node, "nvmem-cells", NULL)) { + if (of_property_present(pdev->dev.of_node, "nvmem-cells")) { ret = imx_init_from_nvmem_cells(pdev); if (ret) return dev_err_probe(&pdev->dev, ret, |