staging: vc04_services: Remove unnecessary casts.

Explicit type casting of variable, with same type as
that of variable, is not required.
Issue found using coccinelle.
Signed-off-by: Sanjana Sanikommu <sanjana99reddy99@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

@@ -1877,7 +1877,7 @@ parse_rx_slots(struct vchiq_state *state)
 static int
 slot_handler_func(void *v)
 {
-	struct vchiq_state *state = (struct vchiq_state *)v;
+	struct vchiq_state *state = v;
 	struct vchiq_shared_state *local = state->local;
 
 	DEBUG_INITIALISE(local)
@@ -1961,7 +1961,7 @@ slot_handler_func(void *v)
 static int
 recycle_func(void *v)
 {
-	struct vchiq_state *state = (struct vchiq_state *)v;
+	struct vchiq_state *state = v;
 	struct vchiq_shared_state *local = state->local;
 	BITSET_T *found;
 	size_t length;
@@ -1985,7 +1985,7 @@ recycle_func(void *v)
 static int
 sync_func(void *v)
 {
-	struct vchiq_state *state = (struct vchiq_state *)v;
+	struct vchiq_state *state = v;
 	struct vchiq_shared_state *local = state->local;
 	struct vchiq_header *header =
 		(struct vchiq_header *)SLOT_DATA_FROM_INDEX(state,
@@ -2111,7 +2111,7 @@ vchiq_init_slots(void *mem_base, int mem_size)
 	int mem_align =
 		(int)((VCHIQ_SLOT_SIZE - (long)mem_base) & VCHIQ_SLOT_MASK);
 	struct vchiq_slot_zero *slot_zero =
-		(struct vchiq_slot_zero *)((char *)mem_base + mem_align);
+		(struct vchiq_slot_zero *)(mem_base + mem_align);
 	int num_slots = (mem_size - mem_align)/VCHIQ_SLOT_SIZE;
 	int first_data_slot = VCHIQ_SLOT_ZERO_SLOTS;
 
@@ -3039,13 +3039,13 @@ VCHIQ_STATUS_T vchiq_bulk_transfer(VCHIQ_SERVICE_HANDLE_T handle,
 	case VCHIQ_BULK_MODE_CALLBACK:
 		break;
 	case VCHIQ_BULK_MODE_BLOCKING:
-		bulk_waiter = (struct bulk_waiter *)userdata;
+		bulk_waiter = userdata;
 		init_completion(&bulk_waiter->event);
 		bulk_waiter->actual = 0;
 		bulk_waiter->bulk = NULL;
 		break;
 	case VCHIQ_BULK_MODE_WAITING:
-		bulk_waiter = (struct bulk_waiter *)userdata;
+		bulk_waiter = userdata;
 		bulk = bulk_waiter->bulk;
 		goto waiting;
 	default:
@@ -3624,7 +3624,7 @@ VCHIQ_STATUS_T vchiq_send_remote_use_active(struct vchiq_state *state)
 void vchiq_log_dump_mem(const char *label, u32 addr, const void *void_mem,
 	size_t num_bytes)
 {
-	const u8  *mem = (const u8 *)void_mem;
+	const u8  *mem = void_mem;
 	size_t          offset;
 	char            line_buf[100];
 	char           *s;