windfarm: remove three exported but unused functions

wf_find_control(), wf_find_sensor(), and wf_is_overtemp() are exported
but unused. Remove these three functions.

Signed-off-by: Paul Bolle <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>

drivers/macintosh/windfarm.h

···
  * the kref and wf_unregister_control will decrement it, thus the
  * object creating/disposing a given control shouldn't assume it
  * still exists after wf_unregister_control has been called.
- * wf_find_control will inc the refcount for you
  */
 extern int wf_register_control(struct wf_control *ct);
 extern void wf_unregister_control(struct wf_control *ct);
-extern struct wf_control * wf_find_control(const char *name);
 extern int wf_get_control(struct wf_control *ct);
 extern void wf_put_control(struct wf_control *ct);
 
···
 /* Same lifetime rules as controls */
 extern int wf_register_sensor(struct wf_sensor *sr);
 extern void wf_unregister_sensor(struct wf_sensor *sr);
-extern struct wf_sensor * wf_find_sensor(const char *name);
 extern int wf_get_sensor(struct wf_sensor *sr);
 extern void wf_put_sensor(struct wf_sensor *sr);
 
···
 /* Overtemp conditions. Those are refcounted */
 extern void wf_set_overtemp(void);
 extern void wf_clear_overtemp(void);
-extern int wf_is_overtemp(void);
 
 #define WF_EVENT_NEW_CONTROL	0 /* param is wf_control * */
 #define WF_EVENT_NEW_SENSOR	1 /* param is wf_sensor * */

drivers/macintosh/windfarm_core.c

···
 }
 EXPORT_SYMBOL_GPL(wf_unregister_control);
 
-struct wf_control * wf_find_control(const char *name)
-{
-	struct wf_control *ct;
-
-	mutex_lock(&wf_lock);
-	list_for_each_entry(ct, &wf_controls, link) {
-		if (!strcmp(ct->name, name)) {
-			if (wf_get_control(ct))
-				ct = NULL;
-			mutex_unlock(&wf_lock);
-			return ct;
-		}
-	}
-	mutex_unlock(&wf_lock);
-	return NULL;
-}
-EXPORT_SYMBOL_GPL(wf_find_control);
-
 int wf_get_control(struct wf_control *ct)
 {
 	if (!try_module_get(ct->ops->owner))
···
 }
 EXPORT_SYMBOL_GPL(wf_unregister_sensor);
 
-struct wf_sensor * wf_find_sensor(const char *name)
-{
-	struct wf_sensor *sr;
-
-	mutex_lock(&wf_lock);
-	list_for_each_entry(sr, &wf_sensors, link) {
-		if (!strcmp(sr->name, name)) {
-			if (wf_get_sensor(sr))
-				sr = NULL;
-			mutex_unlock(&wf_lock);
-			return sr;
-		}
-	}
-	mutex_unlock(&wf_lock);
-	return NULL;
-}
-EXPORT_SYMBOL_GPL(wf_find_sensor);
-
 int wf_get_sensor(struct wf_sensor *sr)
 {
 	if (!try_module_get(sr->ops->owner))
···
 	mutex_unlock(&wf_lock);
 }
 EXPORT_SYMBOL_GPL(wf_clear_overtemp);
-
-int wf_is_overtemp(void)
-{
-	return (wf_overtemp != 0);
-}
-EXPORT_SYMBOL_GPL(wf_is_overtemp);
 
 static int __init windfarm_core_init(void)
 {