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Subject[PATCH v2 01/17] thermal: add thermal_zone_set_mode() helper
Date
In order to remove the code duplication and prepare for further
changes:

* Add thermal_zone_set_mode() helper. Then update core code and
drivers to use it.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
---
drivers/thermal/hisi_thermal.c | 14 ++------------
drivers/thermal/of-thermal.c | 3 ++-
drivers/thermal/rockchip_thermal.c | 26 +++++++++-----------------
drivers/thermal/thermal_helpers.c | 14 ++++++++++++++
drivers/thermal/thermal_sysfs.c | 8 +++++---
include/linux/thermal.h | 5 +++++
6 files changed, 37 insertions(+), 33 deletions(-)

diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c
index 761d055..b3f8d9f 100644
--- a/drivers/thermal/hisi_thermal.c
+++ b/drivers/thermal/hisi_thermal.c
@@ -515,15 +515,6 @@ static int hisi_thermal_register_sensor(struct platform_device *pdev,
};
MODULE_DEVICE_TABLE(of, of_hisi_thermal_match);

-static void hisi_thermal_toggle_sensor(struct hisi_thermal_sensor *sensor,
- bool on)
-{
- struct thermal_zone_device *tzd = sensor->tzd;
-
- tzd->ops->set_mode(tzd,
- on ? THERMAL_DEVICE_ENABLED : THERMAL_DEVICE_DISABLED);
-}
-
static int hisi_thermal_probe(struct platform_device *pdev)
{
struct hisi_thermal_data *data;
@@ -571,7 +562,7 @@ static int hisi_thermal_probe(struct platform_device *pdev)
}
}

- hisi_thermal_toggle_sensor(&data->sensor, true);
+ thermal_zone_set_mode((&data->sensor)->tzd, THERMAL_DEVICE_ENABLED);

return 0;
}
@@ -579,9 +570,8 @@ static int hisi_thermal_probe(struct platform_device *pdev)
static int hisi_thermal_remove(struct platform_device *pdev)
{
struct hisi_thermal_data *data = platform_get_drvdata(pdev);
- struct hisi_thermal_sensor *sensor = &data->sensor;

- hisi_thermal_toggle_sensor(sensor, false);
+ thermal_zone_set_mode((&data->sensor)->tzd, THERMAL_DEVICE_DISABLED);

data->disable_sensor(data);

diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c
index 4f28165..118910c 100644
--- a/drivers/thermal/of-thermal.c
+++ b/drivers/thermal/of-thermal.c
@@ -496,7 +496,8 @@ struct thermal_zone_device *
tzd = thermal_zone_of_add_sensor(child, sensor_np,
data, ops);
if (!IS_ERR(tzd))
- tzd->ops->set_mode(tzd, THERMAL_DEVICE_ENABLED);
+ thermal_zone_set_mode(tzd,
+ THERMAL_DEVICE_ENABLED);

of_node_put(sensor_specs.np);
of_node_put(child);
diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index f36375d..2edd44c 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -1022,15 +1022,6 @@ static void rk_tsadcv2_tshut_mode(int chn, void __iomem *regs,
};
MODULE_DEVICE_TABLE(of, of_rockchip_thermal_match);

-static void
-rockchip_thermal_toggle_sensor(struct rockchip_thermal_sensor *sensor, bool on)
-{
- struct thermal_zone_device *tzd = sensor->tzd;
-
- tzd->ops->set_mode(tzd,
- on ? THERMAL_DEVICE_ENABLED : THERMAL_DEVICE_DISABLED);
-}
-
static irqreturn_t rockchip_thermal_alarm_irq_thread(int irq, void *dev)
{
struct rockchip_thermal_data *thermal = dev;
@@ -1292,7 +1283,8 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
thermal->chip->control(thermal->regs, true);

for (i = 0; i < thermal->chip->chn_num; i++)
- rockchip_thermal_toggle_sensor(&thermal->sensors[i], true);
+ thermal_zone_set_mode((&thermal->sensors[i])->tzd,
+ THERMAL_DEVICE_ENABLED);

platform_set_drvdata(pdev, thermal);

@@ -1311,11 +1303,9 @@ static int rockchip_thermal_remove(struct platform_device *pdev)
struct rockchip_thermal_data *thermal = platform_get_drvdata(pdev);
int i;

- for (i = 0; i < thermal->chip->chn_num; i++) {
- struct rockchip_thermal_sensor *sensor = &thermal->sensors[i];
-
- rockchip_thermal_toggle_sensor(sensor, false);
- }
+ for (i = 0; i < thermal->chip->chn_num; i++)
+ thermal_zone_set_mode((&thermal->sensors[i])->tzd,
+ THERMAL_DEVICE_DISABLED);

thermal->chip->control(thermal->regs, false);

@@ -1332,7 +1322,8 @@ static int __maybe_unused rockchip_thermal_suspend(struct device *dev)
int i;

for (i = 0; i < thermal->chip->chn_num; i++)
- rockchip_thermal_toggle_sensor(&thermal->sensors[i], false);
+ thermal_zone_set_mode((&thermal->sensors[i])->tzd,
+ THERMAL_DEVICE_DISABLED);

thermal->chip->control(thermal->regs, false);

@@ -1383,7 +1374,8 @@ static int __maybe_unused rockchip_thermal_resume(struct device *dev)
thermal->chip->control(thermal->regs, true);

for (i = 0; i < thermal->chip->chn_num; i++)
- rockchip_thermal_toggle_sensor(&thermal->sensors[i], true);
+ thermal_zone_set_mode((&thermal->sensors[i])->tzd,
+ THERMAL_DEVICE_ENABLED);

pinctrl_pm_select_default_state(dev);

diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c
index 2ba756a..b18cee2 100644
--- a/drivers/thermal/thermal_helpers.c
+++ b/drivers/thermal/thermal_helpers.c
@@ -224,3 +224,17 @@ int thermal_zone_get_offset(struct thermal_zone_device *tz)
return 0;
}
EXPORT_SYMBOL_GPL(thermal_zone_get_offset);
+
+/**
+ * thermal_zone_set_mode() - sets mode of thermal zone device
+ * @tz: a valid pointer to a struct thermal_zone_device
+ * @mode: mode to be set
+ *
+ * Return: On success returns 0, an error code otherwise.
+ */
+int thermal_zone_set_mode(struct thermal_zone_device *tz,
+ enum thermal_device_mode mode)
+{
+ return tz->ops->set_mode(tz, mode);
+}
+EXPORT_SYMBOL_GPL(thermal_zone_set_mode);
diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c
index 2241cea..2e9e762 100644
--- a/drivers/thermal/thermal_sysfs.c
+++ b/drivers/thermal/thermal_sysfs.c
@@ -69,17 +69,19 @@
{
struct thermal_zone_device *tz = to_thermal_zone(dev);
int result;
+ enum thermal_device_mode mode;

if (!tz->ops->set_mode)
return -EPERM;

if (!strncmp(buf, "enabled", sizeof("enabled") - 1))
- result = tz->ops->set_mode(tz, THERMAL_DEVICE_ENABLED);
+ mode = THERMAL_DEVICE_ENABLED;
else if (!strncmp(buf, "disabled", sizeof("disabled") - 1))
- result = tz->ops->set_mode(tz, THERMAL_DEVICE_DISABLED);
+ mode = THERMAL_DEVICE_DISABLED;
else
- result = -EINVAL;
+ return -EINVAL;

+ result = thermal_zone_set_mode(tz, mode);
if (result)
return result;

diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 5f4705f..9d21fd1 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -452,6 +452,8 @@ struct thermal_cooling_device *
int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp);
int thermal_zone_get_slope(struct thermal_zone_device *tz);
int thermal_zone_get_offset(struct thermal_zone_device *tz);
+int thermal_zone_set_mode(struct thermal_zone_device *tz,
+ enum thermal_device_mode mode);

int get_tz_trend(struct thermal_zone_device *, int);
struct thermal_instance *get_thermal_instance(struct thermal_zone_device *,
@@ -518,6 +520,9 @@ static inline int thermal_zone_get_slope(
static inline int thermal_zone_get_offset(
struct thermal_zone_device *tz)
{ return -ENODEV; }
+static inline int thermal_zone_set_mode(
+ struct thermal_zone_device *tz, enum thermal_device_mode mode)
+{ return -ENODEV; }
static inline int get_tz_trend(struct thermal_zone_device *tz, int trip)
{ return -ENODEV; }
static inline struct thermal_instance *
--
1.9.1
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