media: amphion: Make some vpu_v4l2 functions static

[ Upstream commit 5d1e54b ]

Some functions defined in vpu_v4l2.c are never used outside of that
compilation unit. Make them static.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Ming Qian <ming.qian@oss.nxp.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Stable-dep-of: 634c2cd ("media: amphion: Remove vpu_vb_is_codecconfig")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Laurent Pinchart

drivers/media/platform/amphion/vpu_v4l2.c

@@ -24,6 +24,11 @@
 #include "vpu_msgs.h"
 #include "vpu_helpers.h"
 
+static char *vpu_type_name(u32 type)
+{
+	return V4L2_TYPE_IS_OUTPUT(type) ? "output" : "capture";
+}
+
 void vpu_inst_lock(struct vpu_inst *inst)
 {
 	mutex_lock(&inst->lock);
@@ -42,7 +47,7 @@ dma_addr_t vpu_get_vb_phy_addr(struct vb2_buffer *vb, u32 plane_no)
 			vb->planes[plane_no].data_offset;
 }
 
-unsigned int vpu_get_vb_length(struct vb2_buffer *vb, u32 plane_no)
+static unsigned int vpu_get_vb_length(struct vb2_buffer *vb, u32 plane_no)
 {
 	if (plane_no >= vb->num_planes)
 		return 0;
@@ -81,7 +86,7 @@ void vpu_v4l2_set_error(struct vpu_inst *inst)
 	vpu_inst_unlock(inst);
 }
 
-int vpu_notify_eos(struct vpu_inst *inst)
+static int vpu_notify_eos(struct vpu_inst *inst)
 {
 	static const struct v4l2_event ev = {
 		.id = 0,
@@ -562,7 +567,8 @@ static void vpu_vb2_buf_finish(struct vb2_buffer *vb)
 		call_void_vop(inst, on_queue_empty, q->type);
 }
 
-void vpu_vb2_buffers_return(struct vpu_inst *inst, unsigned int type, enum vb2_buffer_state state)
+static void vpu_vb2_buffers_return(struct vpu_inst *inst, unsigned int type,
+				   enum vb2_buffer_state state)
 {
 	struct vb2_v4l2_buffer *buf;
 

drivers/media/platform/amphion/vpu_v4l2.h

@@ -26,15 +26,12 @@ void vpu_skip_frame(struct vpu_inst *inst, int count);
 struct vb2_v4l2_buffer *vpu_find_buf_by_sequence(struct vpu_inst *inst, u32 type, u32 sequence);
 struct vb2_v4l2_buffer *vpu_find_buf_by_idx(struct vpu_inst *inst, u32 type, u32 idx);
 void vpu_v4l2_set_error(struct vpu_inst *inst);
-int vpu_notify_eos(struct vpu_inst *inst);
 int vpu_notify_source_change(struct vpu_inst *inst);
 int vpu_set_last_buffer_dequeued(struct vpu_inst *inst, bool eos);
-void vpu_vb2_buffers_return(struct vpu_inst *inst, unsigned int type, enum vb2_buffer_state state);
 int vpu_get_num_buffers(struct vpu_inst *inst, u32 type);
 bool vpu_is_source_empty(struct vpu_inst *inst);
 
 dma_addr_t vpu_get_vb_phy_addr(struct vb2_buffer *vb, u32 plane_no);
-unsigned int vpu_get_vb_length(struct vb2_buffer *vb, u32 plane_no);
 static inline struct vpu_format *vpu_get_format(struct vpu_inst *inst, u32 type)
 {
 	if (V4L2_TYPE_IS_OUTPUT(type))
@@ -43,11 +40,6 @@ static inline struct vpu_format *vpu_get_format(struct vpu_inst *inst, u32 type)
 		return &inst->cap_format;
 }
 
-static inline char *vpu_type_name(u32 type)
-{
-	return V4L2_TYPE_IS_OUTPUT(type) ? "output" : "capture";
-}
-
 static inline int vpu_vb_is_codecconfig(struct vb2_v4l2_buffer *vbuf)
 {
 #ifdef V4L2_BUF_FLAG_CODECCONFIG