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path: root/drivers/thermal/intel/intel_quark_dts_thermal.c
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Diffstat (limited to 'drivers/thermal/intel/intel_quark_dts_thermal.c')
-rw-r--r--drivers/thermal/intel/intel_quark_dts_thermal.c34
1 files changed, 13 insertions, 21 deletions
diff --git a/drivers/thermal/intel/intel_quark_dts_thermal.c b/drivers/thermal/intel/intel_quark_dts_thermal.c
index 646ca8bd40a9..ec6ad26027bc 100644
--- a/drivers/thermal/intel/intel_quark_dts_thermal.c
+++ b/drivers/thermal/intel/intel_quark_dts_thermal.c
@@ -93,10 +93,6 @@
/* Quark DTS has 2 trip points: hot & catastrophic */
#define QRK_MAX_DTS_TRIPS 2
-/* If DTS not locked, all trip points are configurable */
-#define QRK_DTS_WR_MASK_SET 0x3
-/* If DTS locked, all trip points are not configurable */
-#define QRK_DTS_WR_MASK_CLR 0
#define DEFAULT_POLL_DELAY 2000
@@ -105,7 +101,6 @@ struct soc_sensor_entry {
u32 store_ptps;
u32 store_dts_enable;
struct thermal_zone_device *tzone;
- struct thermal_trip trips[QRK_MAX_DTS_TRIPS];
};
static struct soc_sensor_entry *soc_dts;
@@ -293,7 +288,7 @@ static int sys_change_mode(struct thermal_zone_device *tzd,
return ret;
}
-static struct thermal_zone_device_ops tzone_ops = {
+static const struct thermal_zone_device_ops tzone_ops = {
.get_temp = sys_get_curr_temp,
.set_trip_temp = sys_set_trip_temp,
.change_mode = sys_change_mode,
@@ -320,10 +315,10 @@ static void free_soc_dts(struct soc_sensor_entry *aux_entry)
static struct soc_sensor_entry *alloc_soc_dts(void)
{
+ struct thermal_trip trips[QRK_MAX_DTS_TRIPS] = { 0 };
struct soc_sensor_entry *aux_entry;
int err;
u32 out;
- int wr_mask;
aux_entry = kzalloc(sizeof(*aux_entry), GFP_KERNEL);
if (!aux_entry) {
@@ -337,13 +332,7 @@ static struct soc_sensor_entry *alloc_soc_dts(void)
if (err)
goto err_ret;
- if (out & QRK_DTS_LOCK_BIT) {
- aux_entry->locked = true;
- wr_mask = QRK_DTS_WR_MASK_CLR;
- } else {
- aux_entry->locked = false;
- wr_mask = QRK_DTS_WR_MASK_SET;
- }
+ aux_entry->locked = !!(out & QRK_DTS_LOCK_BIT);
/* Store DTS default state if DTS registers are not locked */
if (!aux_entry->locked) {
@@ -360,19 +349,22 @@ static struct soc_sensor_entry *alloc_soc_dts(void)
&aux_entry->store_ptps);
if (err)
goto err_ret;
+
+ trips[QRK_DTS_ID_TP_CRITICAL].flags |= THERMAL_TRIP_FLAG_RW_TEMP;
+ trips[QRK_DTS_ID_TP_HOT].flags |= THERMAL_TRIP_FLAG_RW_TEMP;
}
- aux_entry->trips[QRK_DTS_ID_TP_CRITICAL].temperature = get_trip_temp(QRK_DTS_ID_TP_CRITICAL);
- aux_entry->trips[QRK_DTS_ID_TP_CRITICAL].type = THERMAL_TRIP_CRITICAL;
+ trips[QRK_DTS_ID_TP_CRITICAL].temperature = get_trip_temp(QRK_DTS_ID_TP_CRITICAL);
+ trips[QRK_DTS_ID_TP_CRITICAL].type = THERMAL_TRIP_CRITICAL;
- aux_entry->trips[QRK_DTS_ID_TP_HOT].temperature = get_trip_temp(QRK_DTS_ID_TP_HOT);
- aux_entry->trips[QRK_DTS_ID_TP_HOT].type = THERMAL_TRIP_HOT;
+ trips[QRK_DTS_ID_TP_HOT].temperature = get_trip_temp(QRK_DTS_ID_TP_HOT);
+ trips[QRK_DTS_ID_TP_HOT].type = THERMAL_TRIP_HOT;
aux_entry->tzone = thermal_zone_device_register_with_trips("quark_dts",
- aux_entry->trips,
+ trips,
QRK_MAX_DTS_TRIPS,
- wr_mask,
- aux_entry, &tzone_ops,
+ aux_entry,
+ &tzone_ops,
NULL, 0, polling_delay);
if (IS_ERR(aux_entry->tzone)) {
err = PTR_ERR(aux_entry->tzone);