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path: root/drivers/thermal/db8500_thermal.c
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Diffstat (limited to 'drivers/thermal/db8500_thermal.c')
-rw-r--r--drivers/thermal/db8500_thermal.c34
1 files changed, 6 insertions, 28 deletions
diff --git a/drivers/thermal/db8500_thermal.c b/drivers/thermal/db8500_thermal.c
index 21d4d6e6409a..121cf853e545 100644
--- a/drivers/thermal/db8500_thermal.c
+++ b/drivers/thermal/db8500_thermal.c
@@ -53,7 +53,6 @@ static const unsigned long db8500_thermal_points[] = {
struct db8500_thermal_zone {
struct thermal_zone_device *tz;
- enum thermal_trend trend;
unsigned long interpolated_temp;
unsigned int cur_index;
};
@@ -73,24 +72,12 @@ static int db8500_thermal_get_temp(void *data, int *temp)
return 0;
}
-/* Callback to get temperature changing trend */
-static int db8500_thermal_get_trend(void *data, int trip, enum thermal_trend *trend)
-{
- struct db8500_thermal_zone *th = data;
-
- *trend = th->trend;
-
- return 0;
-}
-
static struct thermal_zone_of_device_ops thdev_ops = {
.get_temp = db8500_thermal_get_temp,
- .get_trend = db8500_thermal_get_trend,
};
static void db8500_thermal_update_config(struct db8500_thermal_zone *th,
unsigned int idx,
- enum thermal_trend trend,
unsigned long next_low,
unsigned long next_high)
{
@@ -98,7 +85,6 @@ static void db8500_thermal_update_config(struct db8500_thermal_zone *th,
th->cur_index = idx;
th->interpolated_temp = (next_low + next_high)/2;
- th->trend = trend;
/*
* The PRCMU accept absolute temperatures in celsius so divide
@@ -127,8 +113,7 @@ static irqreturn_t prcmu_low_irq_handler(int irq, void *irq_data)
}
idx -= 1;
- db8500_thermal_update_config(th, idx, THERMAL_TREND_DROPPING,
- next_low, next_high);
+ db8500_thermal_update_config(th, idx, next_low, next_high);
dev_dbg(&th->tz->device,
"PRCMU set max %ld, min %ld\n", next_high, next_low);
@@ -149,8 +134,7 @@ static irqreturn_t prcmu_high_irq_handler(int irq, void *irq_data)
next_low = db8500_thermal_points[idx];
idx += 1;
- db8500_thermal_update_config(th, idx, THERMAL_TREND_RAISING,
- next_low, next_high);
+ db8500_thermal_update_config(th, idx, next_low, next_high);
dev_dbg(&th->tz->device,
"PRCMU set max %ld, min %ld\n", next_high, next_low);
@@ -174,10 +158,8 @@ static int db8500_thermal_probe(struct platform_device *pdev)
return -ENOMEM;
low_irq = platform_get_irq_byname(pdev, "IRQ_HOTMON_LOW");
- if (low_irq < 0) {
- dev_err(dev, "Get IRQ_HOTMON_LOW failed\n");
+ if (low_irq < 0)
return low_irq;
- }
ret = devm_request_threaded_irq(dev, low_irq, NULL,
prcmu_low_irq_handler, IRQF_NO_SUSPEND | IRQF_ONESHOT,
@@ -188,10 +170,8 @@ static int db8500_thermal_probe(struct platform_device *pdev)
}
high_irq = platform_get_irq_byname(pdev, "IRQ_HOTMON_HIGH");
- if (high_irq < 0) {
- dev_err(dev, "Get IRQ_HOTMON_HIGH failed\n");
+ if (high_irq < 0)
return high_irq;
- }
ret = devm_request_threaded_irq(dev, high_irq, NULL,
prcmu_high_irq_handler, IRQF_NO_SUSPEND | IRQF_ONESHOT,
@@ -210,8 +190,7 @@ static int db8500_thermal_probe(struct platform_device *pdev)
dev_info(dev, "thermal zone sensor registered\n");
/* Start measuring at the lowest point */
- db8500_thermal_update_config(th, 0, THERMAL_TREND_STABLE,
- PRCMU_DEFAULT_LOW_TEMP,
+ db8500_thermal_update_config(th, 0, PRCMU_DEFAULT_LOW_TEMP,
db8500_thermal_points[0]);
platform_set_drvdata(pdev, th);
@@ -232,8 +211,7 @@ static int db8500_thermal_resume(struct platform_device *pdev)
struct db8500_thermal_zone *th = platform_get_drvdata(pdev);
/* Resume and start measuring at the lowest point */
- db8500_thermal_update_config(th, 0, THERMAL_TREND_STABLE,
- PRCMU_DEFAULT_LOW_TEMP,
+ db8500_thermal_update_config(th, 0, PRCMU_DEFAULT_LOW_TEMP,
db8500_thermal_points[0]);
return 0;