[PATCH v1 1/2] thermal: netlink: Rework notify API for cooling devices

Rafael J. Wysocki
2024-01-09T17:43:37Z

From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

In analogy with some previous thermal netlink API changes, redefine
thermal_notify_cdev_state_update(), thermal_notify_cdev_add() and
thermal_notify_cdev_delete() to take a const cdev pointer as their
first argument and let them extract the requisite information from
there by themselves.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/thermal/thermal_helpers.c | 2 +-
drivers/thermal/thermal_netlink.c | 15 ++++++++-------
drivers/thermal/thermal_netlink.h | 16 +++++++++-------
3 files changed, 18 insertions(+), 15 deletions(-)

Index: linux-pm/drivers/thermal/thermal_netlink.h
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_netlink.h
+++ linux-pm/drivers/thermal/thermal_netlink.h
@@ -12,6 +12,7 @@ struct thermal_genl_cpu_caps {

struct thermal_zone_device;
struct thermal_trip;
+struct thermal_cooling_device;

/* Netlink notification function */
#ifdef CONFIG_THERMAL_NETLINK
@@ -27,9 +28,10 @@ int thermal_notify_tz_trip_up(const stru
const struct thermal_trip *trip);
int thermal_notify_tz_trip_change(const struct thermal_zone_device *tz,
const struct thermal_trip *trip);
-int thermal_notify_cdev_state_update(int cdev_id, int state);
-int thermal_notify_cdev_add(int cdev_id, const char *name, int max_state);
-int thermal_notify_cdev_delete(int cdev_id);
+int thermal_notify_cdev_state_update(const struct thermal_cooling_device *cdev,
+ int state);
+int thermal_notify_cdev_add(const struct thermal_cooling_device *cdev);
+int thermal_notify_cdev_delete(const struct thermal_cooling_device *cdev);
int thermal_notify_tz_gov_change(const struct thermal_zone_device *tz,
const char *name);
int thermal_genl_sampling_temp(int id, int temp);
@@ -79,18 +81,18 @@ static inline int thermal_notify_tz_trip
return 0;
}

-static inline int thermal_notify_cdev_state_update(int cdev_id, int state)
+static inline int thermal_notify_cdev_state_update(const struct thermal_cooling_device *cdev,
+ int state)
{
return 0;
}

-static inline int thermal_notify_cdev_add(int cdev_id, const char *name,
- int max_state)
+static inline int thermal_notify_cdev_add(const struct thermal_cooling_device *cdev)
{
return 0;
}

-static inline int thermal_notify_cdev_delete(int cdev_id)
+static inline int thermal_notify_cdev_delete(const struct thermal_cooling_device *cdev)
{
return 0;
}
Index: linux-pm/drivers/thermal/thermal_netlink.c
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_netlink.c
+++ linux-pm/drivers/thermal/thermal_netlink.c
@@ -364,24 +364,25 @@ int thermal_notify_tz_trip_change(const
return thermal_genl_send_event(THERMAL_GENL_EVENT_TZ_TRIP_CHANGE, &p);
}

-int thermal_notify_cdev_state_update(int cdev_id, int cdev_state)
+int thermal_notify_cdev_state_update(const struct thermal_cooling_device *cdev,
+ int state)
{
- struct param p = { .cdev_id = cdev_id, .cdev_state = cdev_state };
+ struct param p = { .cdev_id = cdev->id, .cdev_state = state };

return thermal_genl_send_event(THERMAL_GENL_EVENT_CDEV_STATE_UPDATE, &p);
}

-int thermal_notify_cdev_add(int cdev_id, const char *name, int cdev_max_state)
+int thermal_notify_cdev_add(const struct thermal_cooling_device *cdev)
{
- struct param p = { .cdev_id = cdev_id, .name = name,
- .cdev_max_state = cdev_max_state };
+ struct param p = { .cdev_id = cdev->id, .name = cdev->type,
+ .cdev_max_state = cdev->max_state };

return thermal_genl_send_event(THERMAL_GENL_EVENT_CDEV_ADD, &p);
}

-int thermal_notify_cdev_delete(int cdev_id)
+int thermal_notify_cdev_delete(const struct thermal_cooling_device *cdev)
{
- struct param p = { .cdev_id = cdev_id };
+ struct param p = { .cdev_id = cdev->id };

return thermal_genl_send_event(THERMAL_GENL_EVENT_CDEV_DELETE, &p);
}
Index: linux-pm/drivers/thermal/thermal_helpers.c
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_helpers.c
+++ linux-pm/drivers/thermal/thermal_helpers.c
@@ -156,7 +156,7 @@ static int thermal_cdev_set_cur_state(st
*/
ret = cdev->ops->set_cur_state(cdev, state);
if (!ret) {
- thermal_notify_cdev_state_update(cdev->id, state);
+ thermal_notify_cdev_state_update(cdev, state);
thermal_cooling_device_stats_update(cdev, state);
thermal_debug_cdev_state_update(cdev, state);
}