pm: remove callback from control function

The callback is not used anymore, so just delete it from the pm_control
callback signature.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>

include/device.h

@@ -362,8 +362,7 @@ struct device {
 #ifdef CONFIG_PM_DEVICE
 	/** Power Management function */
 	int (*pm_control)(const struct device *dev, uint32_t command,
-			  enum pm_device_state *state, pm_device_cb cb,
-			  void *arg);
+			  enum pm_device_state *state);
 	/** Pointer to device instance power management data */
 	struct pm_device * const pm;
 #endif

include/drivers/timer/system_timer.h

@@ -46,10 +46,8 @@ extern int sys_clock_driver_init(const struct device *dev);
  * management.  It is a weak symbol that will be implemented as a noop
  * if undefined in the clock driver.
  */
-extern int clock_device_ctrl(const struct device *dev,
-			       uint32_t ctrl_command,
-			       enum pm_device_state *state, pm_device_cb cb,
-			       void *arg);
+extern int clock_device_ctrl(const struct device *dev, uint32_t ctrl_command,
+			     enum pm_device_state *state);
 
 /**
  * @brief Set system clock timeout

include/pm/device.h

@@ -67,10 +67,6 @@ enum pm_device_state {
 /** Device PM get state control command. */
 #define PM_DEVICE_STATE_GET 1
 
-typedef void (*pm_device_cb)(const struct device *dev,
-			     int status, enum pm_device_state *state,
-			     void *arg);
-
 /**
  * @brief Device PM info
  */
@@ -114,15 +110,12 @@ const char *pm_device_state_str(enum pm_device_state state);
  * Note that devices may support just some of the device power states
  * @param dev Pointer to device structure of the driver instance.
  * @param device_power_state Device power state to be set
- * @param cb Callback function to notify device power status
- * @param arg Caller passed argument to callback function
  *
  * @retval 0 If successful in queuing the request or changing the state.
- * @retval Errno Negative errno code if failure. Callback will not be called.
+ * @retval Errno Negative errno code if failure.
  */
 int pm_device_state_set(const struct device *dev,
-			enum pm_device_state device_power_state,
-			pm_device_cb cb, void *arg);
+			enum pm_device_state device_power_state);
 
 /**
  * @brief Call the get power state function of a device