staging: vchiq: Replace function typedefs with equivalent declaration

Replace function typedefs with the equivalent declarations to better
align with the linux kenel coding style

The following typedefs were changed:
*  VCHIQ_CONNECTED_CALLBACK_T
*  vchiq_userdata_term
Signed-off-by: Ojaswin Mujoo <ojaswin98@gmail.com>
Link: https://lore.kernel.org/r/a8e4e0457b5fcc88c7f297f9d669dfb7e7d91ed5.1631366317.git.ojaswin98@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c

@@ -10,7 +10,7 @@
 
 static   int                        g_connected;
 static   int                        g_num_deferred_callbacks;
-static   VCHIQ_CONNECTED_CALLBACK_T g_deferred_callback[MAX_CALLBACKS];
+static   void (*g_deferred_callback[MAX_CALLBACKS])(void);
 static   int                        g_once_init;
 static   DEFINE_MUTEX(g_connected_mutex);
 
@@ -28,7 +28,7 @@ static void connected_init(void)
  * be made immediately, otherwise it will be deferred until
  * vchiq_call_connected_callbacks is called.
  */
-void vchiq_add_connected_callback(VCHIQ_CONNECTED_CALLBACK_T callback)
+void vchiq_add_connected_callback(void (*callback)(void))
 {
 	connected_init();
 

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.h

@@ -4,9 +4,7 @@
 #ifndef VCHIQ_CONNECTED_H
 #define VCHIQ_CONNECTED_H
 
-typedef void (*VCHIQ_CONNECTED_CALLBACK_T)(void);
-
-void vchiq_add_connected_callback(VCHIQ_CONNECTED_CALLBACK_T callback);
+void vchiq_add_connected_callback(void (*callback)(void));
 void vchiq_call_connected_callbacks(void);
 
 #endif /* VCHIQ_CONNECTED_H */

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c

@@ -2474,7 +2474,7 @@ struct vchiq_service *
 vchiq_add_service_internal(struct vchiq_state *state,
 			   const struct vchiq_service_params_kernel *params,
 			   int srvstate, struct vchiq_instance *instance,
-			   vchiq_userdata_term userdata_term)
+			   void (*userdata_term)(void *userdata))
 {
 	struct vchiq_service *service;
 	struct vchiq_service __rcu **pservice = NULL;

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h

@@ -152,8 +152,6 @@ enum vchiq_bulk_dir {
 	VCHIQ_BULK_RECEIVE
 };
 
-typedef void (*vchiq_userdata_term)(void *userdata);
-
 struct vchiq_bulk {
 	short mode;
 	short dir;
@@ -198,7 +196,7 @@ struct vchiq_service {
 	struct kref ref_count;
 	struct rcu_head rcu;
 	int srvstate;
-	vchiq_userdata_term userdata_term;
+	void (*userdata_term)(void *userdata);
 	unsigned int localport;
 	unsigned int remoteport;
 	int public_fourcc;
@@ -476,7 +474,7 @@ struct vchiq_service *
 vchiq_add_service_internal(struct vchiq_state *state,
 			   const struct vchiq_service_params_kernel *params,
 			   int srvstate, struct vchiq_instance *instance,
-			   vchiq_userdata_term userdata_term);
+			   void (*userdata_term)(void *userdata));
 
 extern enum vchiq_status
 vchiq_open_service_internal(struct vchiq_service *service, int client_id);