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Date: Tue, 14 May 2013 15:28:49 +0530
From: Amit Daniel Kachhap <amit.daniel@...sung.com>
To: linux-pm@...r.kernel.org
Cc: Zhang Rui <rui.zhang@...el.com>, linux-samsung-soc@...r.kernel.org,
linux-kernel@...r.kernel.org, amit.kachhap@...il.com,
Kukjin Kim <kgene.kim@...sung.com>,
Eduardo Valentin <eduardo.valentin@...com>
Subject: [PATCH V4 19/30] thermal: exynos: use device resource management infrastructure
This patch stores the device pointer in the configuration structure
and uses it for dev_* prints and devm API's.
Acked-by: Kukjin Kim <kgene.kim@...sung.com>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@...sung.com>
---
drivers/thermal/samsung/exynos_thermal_common.c | 39 ++++++++++++++--------
drivers/thermal/samsung/exynos_thermal_common.h | 1 +
drivers/thermal/samsung/exynos_tmu.c | 2 +-
3 files changed, 27 insertions(+), 15 deletions(-)
diff --git a/drivers/thermal/samsung/exynos_thermal_common.c b/drivers/thermal/samsung/exynos_thermal_common.c
index 2369417..f41390e 100644
--- a/drivers/thermal/samsung/exynos_thermal_common.c
+++ b/drivers/thermal/samsung/exynos_thermal_common.c
@@ -52,7 +52,8 @@ static int exynos_set_mode(struct thermal_zone_device *thermal,
{
struct exynos_thermal_zone *th_zone = thermal->devdata;
if (!th_zone) {
- pr_notice("thermal zone not registered\n");
+ dev_err(th_zone->sensor_conf->dev,
+ "thermal zone not registered\n");
return 0;
}
@@ -68,8 +69,9 @@ static int exynos_set_mode(struct thermal_zone_device *thermal,
th_zone->mode = mode;
thermal_zone_device_update(thermal);
- pr_info("thermal polling set for duration=%d msec\n",
- thermal->polling_delay);
+ dev_dbg(th_zone->sensor_conf->dev,
+ "thermal polling set for duration=%d msec\n",
+ thermal->polling_delay);
return 0;
}
@@ -153,7 +155,8 @@ static int exynos_bind(struct thermal_zone_device *thermal,
case WARN_ZONE:
if (thermal_zone_bind_cooling_device(thermal, i, cdev,
level, 0)) {
- pr_err("error binding cdev inst %d\n", i);
+ dev_err(data->dev,
+ "error unbinding cdev inst=%d\n", i);
ret = -EINVAL;
}
th_zone->bind = true;
@@ -198,7 +201,8 @@ static int exynos_unbind(struct thermal_zone_device *thermal,
case WARN_ZONE:
if (thermal_zone_unbind_cooling_device(thermal, i,
cdev)) {
- pr_err("error unbinding cdev inst=%d\n", i);
+ dev_err(data->dev,
+ "error unbinding cdev inst=%d\n", i);
ret = -EINVAL;
}
th_zone->bind = false;
@@ -218,7 +222,8 @@ static int exynos_get_temp(struct thermal_zone_device *thermal,
void *data;
if (!th_zone->sensor_conf) {
- pr_info("Temperature sensor not initialised\n");
+ dev_err(th_zone->sensor_conf->dev,
+ "Temperature sensor not initialised\n");
return -EINVAL;
}
data = th_zone->sensor_conf->driver_data;
@@ -237,7 +242,8 @@ static int exynos_set_emul_temp(struct thermal_zone_device *thermal,
struct exynos_thermal_zone *th_zone = thermal->devdata;
if (!th_zone->sensor_conf) {
- pr_info("Temperature sensor not initialised\n");
+ dev_err(th_zone->sensor_conf->dev,
+ "Temperature sensor not initialised\n");
return -EINVAL;
}
data = th_zone->sensor_conf->driver_data;
@@ -331,11 +337,13 @@ int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf)
struct exynos_thermal_zone *th_zone;
if (!sensor_conf || !sensor_conf->read_temperature) {
- pr_err("Temperature sensor not initialised\n");
+ dev_err(sensor_conf->dev,
+ "Temperature sensor not initialised\n");
return -EINVAL;
}
- th_zone = kzalloc(sizeof(struct exynos_thermal_zone), GFP_KERNEL);
+ th_zone = devm_kzalloc(sensor_conf->dev,
+ sizeof(struct exynos_thermal_zone), GFP_KERNEL);
if (!th_zone)
return -ENOMEM;
@@ -344,7 +352,8 @@ int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf)
cpumask_set_cpu(0, &mask_val);
th_zone->cool_dev[0] = cpufreq_cooling_register(&mask_val);
if (IS_ERR(th_zone->cool_dev[0])) {
- pr_err("Failed to register cpufreq cooling device\n");
+ dev_err(sensor_conf->dev,
+ "Failed to register cpufreq cooling device\n");
ret = -EINVAL;
goto err_unregister;
}
@@ -358,14 +367,16 @@ int exynos_register_thermal(struct thermal_sensor_conf *sensor_conf)
IDLE_INTERVAL);
if (IS_ERR(th_zone->therm_dev)) {
- pr_err("Failed to register thermal zone device\n");
+ dev_err(sensor_conf->dev,
+ "Failed to register thermal zone device\n");
ret = PTR_ERR(th_zone->therm_dev);
goto err_unregister;
}
th_zone->mode = THERMAL_DEVICE_ENABLED;
sensor_conf->pzone_data = th_zone;
- pr_info("Exynos: Kernel Thermal management registered\n");
+ dev_info(sensor_conf->dev,
+ "Exynos: Thermal zone(%s) registered\n", sensor_conf->name);
return 0;
@@ -391,6 +402,6 @@ void exynos_unregister_thermal(struct thermal_sensor_conf *sensor_conf)
cpufreq_cooling_unregister(th_zone->cool_dev[i]);
}
- kfree(th_zone);
- pr_info("Exynos: Kernel Thermal management unregistered\n");
+ dev_info(sensor_conf->dev,
+ "Exynos: Kernel Thermal management unregistered\n");
}
diff --git a/drivers/thermal/samsung/exynos_thermal_common.h b/drivers/thermal/samsung/exynos_thermal_common.h
index 7b938e1..ea4cd3f 100644
--- a/drivers/thermal/samsung/exynos_thermal_common.h
+++ b/drivers/thermal/samsung/exynos_thermal_common.h
@@ -76,6 +76,7 @@ struct thermal_sensor_conf {
struct thermal_cooling_conf cooling_data;
void *driver_data;
void *pzone_data;
+ struct device *dev;
};
/*Functions used exynos based thermal sensor driver*/
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index de98312..e627150 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -545,7 +545,7 @@ static int exynos_tmu_probe(struct platform_device *pdev)
sensor_conf->cooling_data.freq_data[i].temp_level =
pdata->freq_tab[i].temp_level;
}
-
+ sensor_conf->dev = &pdev->dev;
/* Register the sensor with thermal management interface */
ret = exynos_register_thermal(sensor_conf);
if (ret) {
--
1.7.1
--
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