diff options
| -rw-r--r-- | drivers/thermal/samsung/exynos_thermal_common.c | 51 | ||||
| -rw-r--r-- | drivers/thermal/samsung/exynos_thermal_common.h | 9 | ||||
| -rw-r--r-- | drivers/thermal/samsung/exynos_tmu.c | 15 |
3 files changed, 49 insertions, 26 deletions
diff --git a/drivers/thermal/samsung/exynos_thermal_common.c b/drivers/thermal/samsung/exynos_thermal_common.c index c9edc307dcf3..0b014e8bccf0 100644 --- a/drivers/thermal/samsung/exynos_thermal_common.c +++ b/drivers/thermal/samsung/exynos_thermal_common.c @@ -37,12 +37,11 @@ struct exynos_thermal_zone { bool bind; }; -static struct exynos_thermal_zone *th_zone; - /* Get mode callback functions for thermal zone */ static int exynos_get_mode(struct thermal_zone_device *thermal, enum thermal_device_mode *mode) { + struct exynos_thermal_zone *th_zone = thermal->devdata; if (th_zone) *mode = th_zone->mode; return 0; @@ -52,25 +51,26 @@ static int exynos_get_mode(struct thermal_zone_device *thermal, static int exynos_set_mode(struct thermal_zone_device *thermal, enum thermal_device_mode mode) { - if (!th_zone->therm_dev) { + struct exynos_thermal_zone *th_zone = thermal->devdata; + if (!th_zone) { pr_notice("thermal zone not registered\n"); return 0; } - mutex_lock(&th_zone->therm_dev->lock); + mutex_lock(&thermal->lock); if (mode == THERMAL_DEVICE_ENABLED && !th_zone->sensor_conf->trip_data.trigger_falling) - th_zone->therm_dev->polling_delay = IDLE_INTERVAL; + thermal->polling_delay = IDLE_INTERVAL; else - th_zone->therm_dev->polling_delay = 0; + thermal->polling_delay = 0; - mutex_unlock(&th_zone->therm_dev->lock); + mutex_unlock(&thermal->lock); th_zone->mode = mode; - thermal_zone_device_update(th_zone->therm_dev); + thermal_zone_device_update(thermal); pr_info("thermal polling set for duration=%d msec\n", - th_zone->therm_dev->polling_delay); + thermal->polling_delay); return 0; } @@ -97,6 +97,8 @@ static int exynos_get_trip_type(struct thermal_zone_device *thermal, int trip, static int exynos_get_trip_temp(struct thermal_zone_device *thermal, int trip, unsigned long *temp) { + struct exynos_thermal_zone *th_zone = thermal->devdata; + if (trip < GET_TRIP(MONITOR_ZONE) || trip > GET_TRIP(PANIC_ZONE)) return -EINVAL; @@ -123,6 +125,7 @@ static int exynos_bind(struct thermal_zone_device *thermal, { int ret = 0, i, tab_size, level; struct freq_clip_table *tab_ptr, *clip_data; + struct exynos_thermal_zone *th_zone = thermal->devdata; struct thermal_sensor_conf *data = th_zone->sensor_conf; tab_ptr = (struct freq_clip_table *)data->cooling_data.freq_data; @@ -169,6 +172,7 @@ static int exynos_unbind(struct thermal_zone_device *thermal, struct thermal_cooling_device *cdev) { int ret = 0, i, tab_size; + struct exynos_thermal_zone *th_zone = thermal->devdata; struct thermal_sensor_conf *data = th_zone->sensor_conf; if (th_zone->bind == false) @@ -211,6 +215,7 @@ static int exynos_unbind(struct thermal_zone_device *thermal, static int exynos_get_temp(struct thermal_zone_device *thermal, unsigned long *temp) { + struct exynos_thermal_zone *th_zone = thermal->devdata; void *data; if (!th_zone->sensor_conf) { @@ -230,6 +235,7 @@ static int exynos_set_emul_temp(struct thermal_zone_device *thermal, { void *data; int ret = -EINVAL; + struct exynos_thermal_zone *th_zone = thermal->devdata; if (!th_zone->sensor_conf) { pr_info("Temperature sensor not initialised\n"); @@ -277,14 +283,22 @@ static struct thermal_zone_device_ops const exynos_dev_ops = { * This function may be called from interrupt based temperature sensor * when threshold is changed. */ -void exynos_report_trigger(void) +void exynos_report_trigger(struct thermal_sensor_conf *conf) { unsigned int i; char data[10]; char *envp[] = { data, NULL }; + struct exynos_thermal_zone *th_zone; - if (!th_zone || !th_zone->therm_dev) + if (!conf || !conf->pzone_data) { + pr_err("Invalid temperature sensor configuration data\n"); return; + } + + th_zone = conf->pzone_data; + if (th_zone->therm_dev) + return; + if (th_zone->bind == false) { for (i = 0; i < th_zone->cool_dev_size; i++) { if (!th_zone->cool_dev[i]) @@ -322,6 +336,7 @@ int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf) { int ret; struct cpumask mask_val; + struct exynos_thermal_zone *th_zone; if (!sensor_conf || !sensor_conf->read_temperature) { pr_err("Temperature sensor not initialised\n"); @@ -343,7 +358,7 @@ int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf) th_zone->cool_dev_size++; th_zone->therm_dev = thermal_zone_device_register(sensor_conf->name, - EXYNOS_ZONE_COUNT, 0, NULL, &exynos_dev_ops, NULL, 0, + EXYNOS_ZONE_COUNT, 0, th_zone, &exynos_dev_ops, NULL, 0, sensor_conf->trip_data.trigger_falling ? 0 : IDLE_INTERVAL); @@ -353,23 +368,29 @@ int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf) goto err_unregister; } th_zone->mode = THERMAL_DEVICE_ENABLED; + sensor_conf->pzone_data = th_zone; pr_info("Exynos: Kernel Thermal management registered\n"); return 0; err_unregister: - exynos_unregister_thermal(); + exynos_unregister_thermal(sensor_conf); return ret; } /* Un-Register with the in-kernel thermal management */ -void exynos_unregister_thermal(void) +void exynos_unregister_thermal(struct thermal_sensor_conf *sensor_conf) { int i; + struct exynos_thermal_zone *th_zone; - if (!th_zone) + if (!sensor_conf || !sensor_conf->pzone_data) { + pr_err("Invalid temperature sensor configuration data\n"); return; + } + + th_zone = sensor_conf->pzone_data; if (th_zone->therm_dev) thermal_zone_device_unregister(th_zone->therm_dev); diff --git a/drivers/thermal/samsung/exynos_thermal_common.h b/drivers/thermal/samsung/exynos_thermal_common.h index fee15889f9fa..86c1f848c850 100644 --- a/drivers/thermal/samsung/exynos_thermal_common.h +++ b/drivers/thermal/samsung/exynos_thermal_common.h @@ -85,22 +85,23 @@ struct thermal_sensor_conf { struct thermal_trip_point_conf trip_data; struct thermal_cooling_conf cooling_data; void *private_data; + void *pzone_data; }; /*Functions used exynos based thermal sensor driver*/ #ifdef CONFIG_EXYNOS_THERMAL_CORE -void exynos_unregister_thermal(void); +void exynos_unregister_thermal(struct thermal_sensor_conf *sensor_conf); int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf); -void exynos_report_trigger(void); +void exynos_report_trigger(struct thermal_sensor_conf *sensor_conf); #else static inline void -exynos_unregister_thermal(void) { return; } +exynos_unregister_thermal(struct thermal_sensor_conf *sensor_conf) { return; } static inline int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf) { return 0; } static inline void -exynos_report_trigger(void) { return; } +exynos_report_trigger(struct thermal_sensor_conf *sensor_conf) { return; } #endif /* CONFIG_EXYNOS_THERMAL_CORE */ #endif /* _EXYNOS_THERMAL_COMMON_H */ diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index f6f63ca6faf3..a7bba693be4f 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -345,6 +345,12 @@ static int exynos_tmu_set_emulation(void *drv_data, unsigned long temp) { return -EINVAL; } #endif/*CONFIG_THERMAL_EMULATION*/ +static struct thermal_sensor_conf exynos_sensor_conf = { + .name = "exynos-therm", + .read_temperature = (int (*)(void *))exynos_tmu_read, + .write_emul_temp = exynos_tmu_set_emulation, +}; + static void exynos_tmu_work(struct work_struct *work) { struct exynos_tmu_data *data = container_of(work, @@ -353,7 +359,7 @@ static void exynos_tmu_work(struct work_struct *work) const struct exynos_tmu_registers *reg = pdata->registers; unsigned int val_irq; - exynos_report_trigger(); + exynos_report_trigger(&exynos_sensor_conf); mutex_lock(&data->lock); clk_enable(data->clk); @@ -377,11 +383,6 @@ static irqreturn_t exynos_tmu_irq(int irq, void *id) return IRQ_HANDLED; } -static struct thermal_sensor_conf exynos_sensor_conf = { - .name = "exynos-therm", - .read_temperature = (int (*)(void *))exynos_tmu_read, - .write_emul_temp = exynos_tmu_set_emulation, -}; #ifdef CONFIG_OF static const struct of_device_id exynos_tmu_match[] = { @@ -541,7 +542,7 @@ static int exynos_tmu_remove(struct platform_device *pdev) exynos_tmu_control(pdev, false); - exynos_unregister_thermal(); + exynos_unregister_thermal(&exynos_sensor_conf); clk_unprepare(data->clk); |