media: vb2: replace bool by bitfield in vb2_buffer

The bool type is not recommended for use in structs, so replace these
by bitfields.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/common/videobuf2/videobuf2-core.c

@@ -934,7 +934,7 @@ void vb2_buffer_done(struct vb2_buffer *vb, enum vb2_buffer_state state)
 		/* sync buffers */
 		for (plane = 0; plane < vb->num_planes; ++plane)
 			call_void_memop(vb, finish, vb->planes[plane].mem_priv);
-		vb->synced = false;
+		vb->synced = 0;
 	}
 
 	spin_lock_irqsave(&q->done_lock, flags);
@@ -1313,8 +1313,8 @@ static int __buf_prepare(struct vb2_buffer *vb)
 	for (plane = 0; plane < vb->num_planes; ++plane)
 		call_void_memop(vb, prepare, vb->planes[plane].mem_priv);
 
-	vb->synced = true;
-	vb->prepared = true;
+	vb->synced = 1;
+	vb->prepared = 1;
 	vb->state = orig_state;
 
 	return 0;
@@ -1802,7 +1802,7 @@ int vb2_core_dqbuf(struct vb2_queue *q, unsigned int *pindex, void *pb,
 	}
 
 	call_void_vb_qop(vb, buf_finish, vb);
-	vb->prepared = false;
+	vb->prepared = 0;
 
 	if (pindex)
 		*pindex = vb->index;
@@ -1926,12 +1926,12 @@ static void __vb2_queue_cancel(struct vb2_queue *q)
 			for (plane = 0; plane < vb->num_planes; ++plane)
 				call_void_memop(vb, finish,
 						vb->planes[plane].mem_priv);
-			vb->synced = false;
+			vb->synced = 0;
 		}
 
 		if (vb->prepared) {
 			call_void_vb_qop(vb, buf_finish, vb);
-			vb->prepared = false;
+			vb->prepared = 0;
 		}
 		__vb2_dqbuf(vb);
 

include/media/videobuf2-core.h

@@ -269,8 +269,8 @@ struct vb2_buffer {
 	 * vb2_plane:		per-plane information; do not change
 	 */
 	enum vb2_buffer_state	state;
-	bool			synced;
-	bool			prepared;
+	unsigned int		synced:1;
+	unsigned int		prepared:1;
 
 	struct vb2_plane	planes[VB2_MAX_PLANES];
 	struct list_head	queued_entry;