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path: root/drivers/thermal/rockchip_thermal.c
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Diffstat (limited to 'drivers/thermal/rockchip_thermal.c')
-rw-r--r--drivers/thermal/rockchip_thermal.c48
1 files changed, 28 insertions, 20 deletions
diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 415e0ced3dce..f027b86b993d 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -120,10 +120,10 @@ struct rockchip_tsadc_chip {
/* Per-sensor methods */
int (*get_temp)(const struct chip_tsadc_table *table,
int chn, void __iomem *reg, int *temp);
- void (*set_alarm_temp)(const struct chip_tsadc_table *table,
- int chn, void __iomem *reg, int temp);
- void (*set_tshut_temp)(const struct chip_tsadc_table *table,
- int chn, void __iomem *reg, int temp);
+ int (*set_alarm_temp)(const struct chip_tsadc_table *table,
+ int chn, void __iomem *reg, int temp);
+ int (*set_tshut_temp)(const struct chip_tsadc_table *table,
+ int chn, void __iomem *reg, int temp);
void (*set_tshut_mode)(int chn, void __iomem *reg, enum tshut_mode m);
/* Per-table methods */
@@ -401,17 +401,15 @@ static u32 rk_tsadcv2_temp_to_code(const struct chip_tsadc_table *table,
int temp)
{
int high, low, mid;
- u32 error = 0;
+ u32 error = table->data_mask;
low = 0;
high = table->length - 1;
mid = (high + low) / 2;
/* Return mask code data when the temp is over table range */
- if (temp < table->id[low].temp || temp > table->id[high].temp) {
- error = table->data_mask;
+ if (temp < table->id[low].temp || temp > table->id[high].temp)
goto exit;
- }
while (low <= high) {
if (temp == table->id[mid].temp)
@@ -650,15 +648,15 @@ static int rk_tsadcv2_get_temp(const struct chip_tsadc_table *table,
return rk_tsadcv2_code_to_temp(table, val, temp);
}
-static void rk_tsadcv2_alarm_temp(const struct chip_tsadc_table *table,
- int chn, void __iomem *regs, int temp)
+static int rk_tsadcv2_alarm_temp(const struct chip_tsadc_table *table,
+ int chn, void __iomem *regs, int temp)
{
u32 alarm_value, int_en;
/* Make sure the value is valid */
alarm_value = rk_tsadcv2_temp_to_code(table, temp);
if (alarm_value == table->data_mask)
- return;
+ return -ERANGE;
writel_relaxed(alarm_value & table->data_mask,
regs + TSADCV2_COMP_INT(chn));
@@ -666,23 +664,27 @@ static void rk_tsadcv2_alarm_temp(const struct chip_tsadc_table *table,
int_en = readl_relaxed(regs + TSADCV2_INT_EN);
int_en |= TSADCV2_INT_SRC_EN(chn);
writel_relaxed(int_en, regs + TSADCV2_INT_EN);
+
+ return 0;
}
-static void rk_tsadcv2_tshut_temp(const struct chip_tsadc_table *table,
- int chn, void __iomem *regs, int temp)
+static int rk_tsadcv2_tshut_temp(const struct chip_tsadc_table *table,
+ int chn, void __iomem *regs, int temp)
{
u32 tshut_value, val;
/* Make sure the value is valid */
tshut_value = rk_tsadcv2_temp_to_code(table, temp);
if (tshut_value == table->data_mask)
- return;
+ return -ERANGE;
writel_relaxed(tshut_value, regs + TSADCV2_COMP_SHUT(chn));
/* TSHUT will be valid */
val = readl_relaxed(regs + TSADCV2_AUTO_CON);
writel_relaxed(val | TSADCV2_AUTO_SRC_EN(chn), regs + TSADCV2_AUTO_CON);
+
+ return 0;
}
static void rk_tsadcv2_tshut_mode(int chn, void __iomem *regs,
@@ -885,10 +887,8 @@ static int rockchip_thermal_set_trips(void *_sensor, int low, int high)
dev_dbg(&thermal->pdev->dev, "%s: sensor %d: low: %d, high %d\n",
__func__, sensor->id, low, high);
- tsadc->set_alarm_temp(&tsadc->table,
- sensor->id, thermal->regs, high);
-
- return 0;
+ return tsadc->set_alarm_temp(&tsadc->table,
+ sensor->id, thermal->regs, high);
}
static int rockchip_thermal_get_temp(void *_sensor, int *out_temp)
@@ -984,8 +984,12 @@ rockchip_thermal_register_sensor(struct platform_device *pdev,
int error;
tsadc->set_tshut_mode(id, thermal->regs, thermal->tshut_mode);
- tsadc->set_tshut_temp(&tsadc->table, id, thermal->regs,
+
+ error = tsadc->set_tshut_temp(&tsadc->table, id, thermal->regs,
thermal->tshut_temp);
+ if (error)
+ dev_err(&pdev->dev, "%s: invalid tshut=%d, error=%d\n",
+ __func__, thermal->tshut_temp, error);
sensor->thermal = thermal;
sensor->id = id;
@@ -1198,9 +1202,13 @@ static int __maybe_unused rockchip_thermal_resume(struct device *dev)
thermal->chip->set_tshut_mode(id, thermal->regs,
thermal->tshut_mode);
- thermal->chip->set_tshut_temp(&thermal->chip->table,
+
+ error = thermal->chip->set_tshut_temp(&thermal->chip->table,
id, thermal->regs,
thermal->tshut_temp);
+ if (error)
+ dev_err(&pdev->dev, "%s: invalid tshut=%d, error=%d\n",
+ __func__, thermal->tshut_temp, error);
}
thermal->chip->control(thermal->regs, true);