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drivers: thermal: tsens: Pass around struct tsens_sensor as a constant

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All the sensor data is initialised at init time. Lock it down by passing
it to functions as a constant.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/740f9254484c08d65869df578628eb523c0049ff.1584015867.git.amit.kucheria@linaro.org
This commit is contained in:
Amit Kucheria 2020-03-12 18:06:59 +05:30 committed by Daniel Lezcano
parent 0aef1ee5af
commit e604bdd2a7
3 changed files with 12 additions and 11 deletions
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2
drivers/thermal/qcom/tsens-8960.c
View File

@ -245,7 +245,7 @@ static inline int code_to_mdegC(u32 adc_code, const struct tsens_sensor *s)
return adc_code * slope + offset;
}
static int get_temp_8960(struct tsens_sensor *s, int *temp)
static int get_temp_8960(const struct tsens_sensor *s, int *temp)
{
int ret;
u32 code, trdy;

15
drivers/thermal/qcom/tsens-common.c
View File

@ -128,7 +128,7 @@ static inline int code_to_degc(u32 adc_code, const struct tsens_sensor *s)
* Return: Temperature in milliCelsius on success, a negative errno will
* be returned in error cases
*/
static int tsens_hw_to_mC(struct tsens_sensor *s, int field)
static int tsens_hw_to_mC(const struct tsens_sensor *s, int field)
{
struct tsens_priv *priv = s->priv;
u32 resolution;
@ -160,7 +160,7 @@ static int tsens_hw_to_mC(struct tsens_sensor *s, int field)
*
* Return: ADC code or temperature in deciCelsius.
*/
static int tsens_mC_to_hw(struct tsens_sensor *s, int temp)
static int tsens_mC_to_hw(const struct tsens_sensor *s, int temp)
{
struct tsens_priv *priv = s->priv;
@ -275,7 +275,8 @@ static int tsens_threshold_violated(struct tsens_priv *priv, u32 hw_id,
}
static int tsens_read_irq_state(struct tsens_priv *priv, u32 hw_id,
struct tsens_sensor *s, struct tsens_irq_data *d)
const struct tsens_sensor *s,
struct tsens_irq_data *d)
{
int ret;
@ -346,10 +347,10 @@ irqreturn_t tsens_irq_thread(int irq, void *data)
for (i = 0; i < priv->num_sensors; i++) {
bool trigger = false;
struct tsens_sensor *s = &priv->sensor[i];
const struct tsens_sensor *s = &priv->sensor[i];
u32 hw_id = s->hw_id;
if (IS_ERR(priv->sensor[i].tzd))
if (IS_ERR(s->tzd))
continue;
if (!tsens_threshold_violated(priv, hw_id, &d))
continue;
@ -457,7 +458,7 @@ void tsens_disable_irq(struct tsens_priv *priv)
regmap_field_write(priv->rf[INT_EN], 0);
}
int get_temp_tsens_valid(struct tsens_sensor *s, int *temp)
int get_temp_tsens_valid(const struct tsens_sensor *s, int *temp)
{
struct tsens_priv *priv = s->priv;
int hw_id = s->hw_id;
@ -486,7 +487,7 @@ int get_temp_tsens_valid(struct tsens_sensor *s, int *temp)
return 0;
}
int get_temp_common(struct tsens_sensor *s, int *temp)
int get_temp_common(const struct tsens_sensor *s, int *temp)
{
struct tsens_priv *priv = s->priv;
int hw_id = s->hw_id;

6
drivers/thermal/qcom/tsens.h
View File

@ -67,7 +67,7 @@ struct tsens_ops {
/* mandatory callbacks */
int (*init)(struct tsens_priv *priv);
int (*calibrate)(struct tsens_priv *priv);
int (*get_temp)(struct tsens_sensor *s, int *temp);
int (*get_temp)(const struct tsens_sensor *s, int *temp);
/* optional callbacks */
int (*enable)(struct tsens_priv *priv, int i);
void (*disable)(struct tsens_priv *priv);
@ -494,8 +494,8 @@ struct tsens_priv {
char *qfprom_read(struct device *dev, const char *cname);
void compute_intercept_slope(struct tsens_priv *priv, u32 *pt1, u32 *pt2, u32 mode);
int init_common(struct tsens_priv *priv);
int get_temp_tsens_valid(struct tsens_sensor *s, int *temp);
int get_temp_common(struct tsens_sensor *s, int *temp);
int get_temp_tsens_valid(const struct tsens_sensor *s, int *temp);
int get_temp_common(const struct tsens_sensor *s, int *temp);
int tsens_enable_irq(struct tsens_priv *priv);
void tsens_disable_irq(struct tsens_priv *priv);
int tsens_set_trips(void *_sensor, int low, int high);