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-rw-r--r--drivers/mxc/thermal/thermal.c40
1 files changed, 27 insertions, 13 deletions
diff --git a/drivers/mxc/thermal/thermal.c b/drivers/mxc/thermal/thermal.c
index cb52033c479e..7855e9fb2e9a 100644
--- a/drivers/mxc/thermal/thermal.c
+++ b/drivers/mxc/thermal/thermal.c
@@ -167,6 +167,19 @@ enum {
static int debug_mask = DEBUG_USER_STATE;
module_param_named(debug_mask, debug_mask, int, S_IRUGO | S_IWUSR | S_IWGRP);
+static int temps[3] = {
+ TEMP_CRITICAL,
+ TEMP_HOT,
+ TEMP_ACTIVE
+};
+
+module_param_array(temps, int, NULL, S_IRUGO | S_IWUSR | S_IWGRP);
+MODULE_PARM_DESC(temps, "Temperature trip points in degrees K (active,hot,critical)");
+
+#define _TEMP_CRITICAL temps[ANATOP_TRIPS_POINT_CRITICAL]
+#define _TEMP_HOT temps[ANATOP_TRIPS_POINT_HOT]
+#define _TEMP_ACTIVE temps[ANATOP_TRIPS_POINT_ACTIVE]
+
/* functions */
static int anatop_thermal_add(struct anatop_device *device);
static int anatop_thermal_remove(struct platform_device *pdev);
@@ -299,7 +312,7 @@ static int anatop_thermal_get_temp(struct thermal_zone_device *thermal,
return -EINVAL;
if (!raw_25c || suspend_flag) {
- *temp = KELVIN_TO_CEL(TEMP_ACTIVE, KELVIN_OFFSET);
+ *temp = KELVIN_TO_CEL(_TEMP_ACTIVE, KELVIN_OFFSET);
return 0;
}
@@ -344,17 +357,16 @@ static int anatop_thermal_get_temp(struct thermal_zone_device *thermal,
/* only the temp between -40C and 125C is valid, this
is for save */
tz->temperature = cvt_raw_to_celius(tmp);
- if ((tz->temperature < -25) || (tz->temperature > 125)) {
- pr_warn("Invalid temperature %ld C, force it to 25C\n",
- tz->temperature);
- tz->temperature = 25;
- }
if (debug_mask & DEBUG_VERBOSE)
pr_info("Cooling device Temperature is %lu C\n", tz->temperature);
- *temp = (cooling_device_disable && tz->temperature >= KELVIN_TO_CEL(TEMP_CRITICAL, KELVIN_OFFSET)) ?
- KELVIN_TO_CEL(TEMP_CRITICAL - 1, KELVIN_OFFSET) : tz->temperature;
+ *temp = (cooling_device_disable
+ &&
+ (tz->temperature >= KELVIN_TO_CEL(_TEMP_CRITICAL,
+ KELVIN_OFFSET)))
+ ? KELVIN_TO_CEL(_TEMP_CRITICAL - 1, KELVIN_OFFSET)
+ : tz->temperature;
return 0;
}
@@ -368,19 +380,19 @@ static int anatop_thermal_trips_update(struct anatop_thermal *tz, int flag)
{
/* Critical Shutdown */
if (flag & ANATOP_TRIPS_CRITICAL) {
- tz->trips.critical.temperature = TEMP_CRITICAL;
+ tz->trips.critical.temperature = _TEMP_CRITICAL;
tz->trips.critical.flags.valid = 1;
}
/* Hot */
if (flag & ANATOP_TRIPS_HOT) {
- tz->trips.hot.temperature = TEMP_HOT;
+ tz->trips.hot.temperature = _TEMP_HOT;
tz->trips.hot.flags.valid = 1;
}
/* Active */
if (flag & ANATOP_TRIPS_ACTIVE) {
- tz->trips.active.temperature = TEMP_ACTIVE;
+ tz->trips.active.temperature = _TEMP_ACTIVE;
tz->trips.active.flags.valid = 1;
}
@@ -885,10 +897,12 @@ static int anatop_thermal_counting_ratio(unsigned int fuse_data)
cvt_to_raw = raw25c - raw_hot;
cvt_to_raw <<= 32;
do_div(cvt_to_raw, hot_temp - 25);
- pr_info("%s: raw25c=%d raw_hot=%d hot_temp=%d\n", __func__, raw25c, raw_hot, hot_temp);
+ pr_info("%s: raw25c=%d raw_hot=%d hot_temp=%d\n",
+ __func__, raw25c, raw_hot, hot_temp);
/* Init default critical temp to set alarm */
- raw_critical = cvt_celius_to_raw(KELVIN_TO_CEL(TEMP_CRITICAL, KELVIN_OFFSET));
+ raw_critical = cvt_celius_to_raw
+ (KELVIN_TO_CEL(_TEMP_CRITICAL, KELVIN_OFFSET));
clk_enable(pll3_clk);
anatop_update_alarm(raw_critical);