[PATCH v7 02/11] thermal: Store thermal mode in a dedicated enum

Andrzej Pietrasiewicz
2020-06-29T21:13:02Z

Prepare for storing mode in struct thermal_zone_device.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
[for acerhdf]
Acked-by: Peter Kaestle <peter@piie.net>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
---
drivers/acpi/thermal.c | 27 +++++++++----------
drivers/platform/x86/acerhdf.c | 8 ++++--
.../intel/int340x_thermal/int3400_thermal.c | 18 +++++--------
3 files changed, 25 insertions(+), 28 deletions(-)

diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 6de8066ca1e7..fb46070c66d8 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -172,7 +172,7 @@ struct acpi_thermal {
struct acpi_thermal_trips trips;
struct acpi_handle_list devices;
struct thermal_zone_device *thermal_zone;
- int tz_enabled;
+ enum thermal_device_mode mode;
int kelvin_offset; /* in millidegrees */
struct work_struct thermal_check_work;
};
@@ -500,7 +500,7 @@ static void acpi_thermal_check(void *data)
{
struct acpi_thermal *tz = data;

- if (!tz->tz_enabled)
+ if (tz->mode != THERMAL_DEVICE_ENABLED)
return;

thermal_zone_device_update(tz->thermal_zone,
@@ -534,8 +534,7 @@ static int thermal_get_mode(struct thermal_zone_device *thermal,
if (!tz)
return -EINVAL;

- *mode = tz->tz_enabled ? THERMAL_DEVICE_ENABLED :
- THERMAL_DEVICE_DISABLED;
+ *mode = tz->mode;

return 0;
}
@@ -544,27 +543,25 @@ static int thermal_set_mode(struct thermal_zone_device *thermal,
enum thermal_device_mode mode)
{
struct acpi_thermal *tz = thermal->devdata;
- int enable;

if (!tz)
return -EINVAL;

+ if (mode != THERMAL_DEVICE_DISABLED &&
+ mode != THERMAL_DEVICE_ENABLED)
+ return -EINVAL;
/*
* enable/disable thermal management from ACPI thermal driver
*/
- if (mode == THERMAL_DEVICE_ENABLED)
- enable = 1;
- else if (mode == THERMAL_DEVICE_DISABLED) {
- enable = 0;
+ if (mode == THERMAL_DEVICE_DISABLED)
pr_warn("thermal zone will be disabled\n");
- } else
- return -EINVAL;

- if (enable != tz->tz_enabled) {
- tz->tz_enabled = enable;
+ if (mode != tz->mode) {
+ tz->mode = mode;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"%s kernel ACPI thermal control\n",
- tz->tz_enabled ? "Enable" : "Disable"));
+ tz->mode == THERMAL_DEVICE_ENABLED ?
+ "Enable" : "Disable"));
acpi_thermal_check(tz);
}
return 0;
@@ -915,7 +912,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
goto remove_dev_link;
}

- tz->tz_enabled = 1;
+ tz->mode = THERMAL_DEVICE_ENABLED;

dev_info(&tz->device->dev, "registered as thermal_zone%d\n",
tz->thermal_zone->id);
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index 4df7609b4aa9..9d1030b1a4f4 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -68,6 +68,7 @@ static int kernelmode = 1;
#else
static int kernelmode;
#endif
+static enum thermal_device_mode thermal_mode;

static unsigned int interval = 10;
static unsigned int fanon = 60000;
@@ -397,6 +398,7 @@ static inline void acerhdf_revert_to_bios_mode(void)
{
acerhdf_change_fanstate(ACERHDF_FAN_AUTO);
kernelmode = 0;
+ thermal_mode = THERMAL_DEVICE_DISABLED;
if (thz_dev)
thz_dev->polling_delay = 0;
pr_notice("kernel mode fan control OFF\n");
@@ -404,6 +406,7 @@ static inline void acerhdf_revert_to_bios_mode(void)
static inline void acerhdf_enable_kernelmode(void)
{
kernelmode = 1;
+ thermal_mode = THERMAL_DEVICE_ENABLED;

thz_dev->polling_delay = interval*1000;
thermal_zone_device_update(thz_dev, THERMAL_EVENT_UNSPECIFIED);
@@ -416,8 +419,7 @@ static int acerhdf_get_mode(struct thermal_zone_device *thermal,
if (verbose)
pr_notice("kernel mode fan control %d\n", kernelmode);

- *mode = (kernelmode) ? THERMAL_DEVICE_ENABLED
- : THERMAL_DEVICE_DISABLED;
+ *mode = thermal_mode;

return 0;
}
@@ -739,6 +741,8 @@ static int __init acerhdf_register_thermal(void)
if (IS_ERR(cl_dev))
return -EINVAL;

+ thermal_mode = kernelmode ?
+ THERMAL_DEVICE_ENABLED : THERMAL_DEVICE_DISABLED;
thz_dev = thermal_zone_device_register("acerhdf", 2, 0, NULL,
&acerhdf_dev_ops,
&acerhdf_zone_params, 0,
diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
index 0b3a62655843..e84faaadff87 100644
--- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
@@ -48,7 +48,7 @@ struct int3400_thermal_priv {
struct acpi_device *adev;
struct platform_device *pdev;
struct thermal_zone_device *thermal;
- int mode;
+ enum thermal_device_mode mode;
int art_count;
struct art *arts;
int trt_count;
@@ -395,24 +395,20 @@ static int int3400_thermal_set_mode(struct thermal_zone_device *thermal,
enum thermal_device_mode mode)
{
struct int3400_thermal_priv *priv = thermal->devdata;
- bool enable;
int result = 0;

if (!priv)
return -EINVAL;

- if (mode == THERMAL_DEVICE_ENABLED)
- enable = true;
- else if (mode == THERMAL_DEVICE_DISABLED)
- enable = false;
- else
+ if (mode != THERMAL_DEVICE_ENABLED &&
+ mode != THERMAL_DEVICE_DISABLED)
return -EINVAL;

- if (enable != priv->mode) {
- priv->mode = enable;
+ if (mode != priv->mode) {
+ priv->mode = mode;
result = int3400_thermal_run_osc(priv->adev->handle,
- priv->current_uuid_index,
- enable);
+ priv->current_uuid_index,
+ mode == THERMAL_DEVICE_ENABLED);
}

evaluate_odvp(priv);
--
2.17.1