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-rw-r--r--drivers/thermal/cpu_cooling.c10
-rw-r--r--drivers/thermal/db8500_thermal.c19
-rw-r--r--drivers/thermal/dove_thermal.c7
-rw-r--r--drivers/thermal/kirkwood_thermal.c12
4 files changed, 27 insertions, 21 deletions
diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index e03891b03c9b..5f5c780bcd90 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -234,8 +234,8 @@ static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device,
unsigned long cooling_state)
{
unsigned int cpuid, clip_freq;
- struct cpumask *maskPtr = &cpufreq_device->allowed_cpus;
- unsigned int cpu = cpumask_any(maskPtr);
+ struct cpumask *mask = &cpufreq_device->allowed_cpus;
+ unsigned int cpu = cpumask_any(mask);
/* Check if the old cooling action is same as new cooling action */
@@ -250,7 +250,7 @@ static int cpufreq_apply_cooling(struct cpufreq_cooling_device *cpufreq_device,
cpufreq_device->cpufreq_val = clip_freq;
notify_device = cpufreq_device;
- for_each_cpu(cpuid, maskPtr) {
+ for_each_cpu(cpuid, mask) {
if (is_cpufreq_valid(cpuid))
cpufreq_update_policy(cpuid);
}
@@ -301,12 +301,12 @@ static int cpufreq_get_max_state(struct thermal_cooling_device *cdev,
unsigned long *state)
{
struct cpufreq_cooling_device *cpufreq_device = cdev->devdata;
- struct cpumask *maskPtr = &cpufreq_device->allowed_cpus;
+ struct cpumask *mask = &cpufreq_device->allowed_cpus;
unsigned int cpu;
unsigned long count = 0;
int ret;
- cpu = cpumask_any(maskPtr);
+ cpu = cpumask_any(mask);
ret = get_property(cpu, 0, (unsigned int *)&count, GET_MAXL);
diff --git a/drivers/thermal/db8500_thermal.c b/drivers/thermal/db8500_thermal.c
index 61ce60a35921..1e3b3bf9f993 100644
--- a/drivers/thermal/db8500_thermal.c
+++ b/drivers/thermal/db8500_thermal.c
@@ -419,7 +419,8 @@ static int db8500_thermal_probe(struct platform_device *pdev)
low_irq = platform_get_irq_byname(pdev, "IRQ_HOTMON_LOW");
if (low_irq < 0) {
dev_err(&pdev->dev, "Get IRQ_HOTMON_LOW failed.\n");
- return low_irq;
+ ret = low_irq;
+ goto out_unlock;
}
ret = devm_request_threaded_irq(&pdev->dev, low_irq, NULL,
@@ -427,13 +428,14 @@ static int db8500_thermal_probe(struct platform_device *pdev)
"dbx500_temp_low", pzone);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to allocate temp low irq.\n");
- return ret;
+ goto out_unlock;
}
high_irq = platform_get_irq_byname(pdev, "IRQ_HOTMON_HIGH");
if (high_irq < 0) {
dev_err(&pdev->dev, "Get IRQ_HOTMON_HIGH failed.\n");
- return high_irq;
+ ret = high_irq;
+ goto out_unlock;
}
ret = devm_request_threaded_irq(&pdev->dev, high_irq, NULL,
@@ -441,15 +443,16 @@ static int db8500_thermal_probe(struct platform_device *pdev)
"dbx500_temp_high", pzone);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to allocate temp high irq.\n");
- return ret;
+ goto out_unlock;
}
pzone->therm_dev = thermal_zone_device_register("db8500_thermal_zone",
ptrips->num_trips, 0, pzone, &thdev_ops, NULL, 0, 0);
- if (IS_ERR_OR_NULL(pzone->therm_dev)) {
+ if (IS_ERR(pzone->therm_dev)) {
dev_err(&pdev->dev, "Register thermal zone device failed.\n");
- return PTR_ERR(pzone->therm_dev);
+ ret = PTR_ERR(pzone->therm_dev);
+ goto out_unlock;
}
dev_info(&pdev->dev, "Thermal zone device registered.\n");
@@ -461,9 +464,11 @@ static int db8500_thermal_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, pzone);
pzone->mode = THERMAL_DEVICE_ENABLED;
+
+out_unlock:
mutex_unlock(&pzone->th_lock);
- return 0;
+ return ret;
}
static int db8500_thermal_remove(struct platform_device *pdev)
diff --git a/drivers/thermal/dove_thermal.c b/drivers/thermal/dove_thermal.c
index 3078c403b42d..4b15a5f270dc 100644
--- a/drivers/thermal/dove_thermal.c
+++ b/drivers/thermal/dove_thermal.c
@@ -107,12 +107,13 @@ static int dove_get_temp(struct thermal_zone_device *thermal,
}
/*
- * Calculate temperature. See Section 8.10.1 of 88AP510,
- * Documentation/arm/Marvell/README
+ * Calculate temperature. According to Marvell internal
+ * documentation the formula for this is:
+ * Celsius = (322-reg)/1.3625
*/
reg = readl_relaxed(priv->sensor);
reg = (reg >> DOVE_THERMAL_TEMP_OFFSET) & DOVE_THERMAL_TEMP_MASK;
- *temp = ((2281638UL - (7298*reg)) / 10);
+ *temp = ((3220000000UL - (10000000UL * reg)) / 13625);
return 0;
}
diff --git a/drivers/thermal/kirkwood_thermal.c b/drivers/thermal/kirkwood_thermal.c
index e5500edb5285..dfeceaffbc03 100644
--- a/drivers/thermal/kirkwood_thermal.c
+++ b/drivers/thermal/kirkwood_thermal.c
@@ -41,21 +41,21 @@ static int kirkwood_get_temp(struct thermal_zone_device *thermal,
reg = readl_relaxed(priv->sensor);
/* Valid check */
- if (!(reg >> KIRKWOOD_THERMAL_VALID_OFFSET) &
- KIRKWOOD_THERMAL_VALID_MASK) {
+ if (!((reg >> KIRKWOOD_THERMAL_VALID_OFFSET) &
+ KIRKWOOD_THERMAL_VALID_MASK)) {
dev_err(&thermal->device,
"Temperature sensor reading not valid\n");
return -EIO;
}
/*
- * Calculate temperature. See Section 8.10.1 of the 88AP510,
- * datasheet, which has the same sensor.
- * Documentation/arm/Marvell/README
+ * Calculate temperature. According to Marvell internal
+ * documentation the formula for this is:
+ * Celsius = (322-reg)/1.3625
*/
reg = (reg >> KIRKWOOD_THERMAL_TEMP_OFFSET) &
KIRKWOOD_THERMAL_TEMP_MASK;
- *temp = ((2281638UL - (7298*reg)) / 10);
+ *temp = ((3220000000UL - (10000000UL * reg)) / 13625);
return 0;
}