[09/20] media: atomisp: Remove unused ia_css_frame_*() functions

diff --git a/drivers/staging/media/atomisp/pci/ia_css_frame_public.h b/drivers/staging/media/atomisp/pci/ia_css_frame_public.h
index 32d6d9699c37..7ba464abf447 100644
--- a/drivers/staging/media/atomisp/pci/ia_css_frame_public.h
+++ b/drivers/staging/media/atomisp/pci/ia_css_frame_public.h
@@ -205,15 +205,6 @@  struct ia_css_frame {
 	.flash_state		= IA_CSS_FRAME_FLASH_STATE_NONE, \
 }
 
-/* @brief Fill a frame with zeros
- *
- * @param	frame		The frame.
- * @return	None
- *
- * Fill a frame with pixel values of zero
- */
-void ia_css_frame_zero(struct ia_css_frame *frame);
-
 /* @brief Allocate a CSS frame structure
  *
  * @param	frame		The allocated frame.
@@ -270,71 +261,6 @@  ia_css_frame_allocate_from_info(struct ia_css_frame **frame,
 void
 ia_css_frame_free(struct ia_css_frame *frame);
 
-/* @brief Allocate a CSS frame structure using a frame info structure.
- *
- * @param	frame	The allocated frame.
- * @param[in]	info	The frame info structure.
- * @return		The error code.
- *
- * Allocate an empty CSS frame with no data buffer using the parameters
- * in the frame info.
- */
-int
-ia_css_frame_create_from_info(struct ia_css_frame **frame,
-			      const struct ia_css_frame_info *info);
-
-/* @brief Set a mapped data buffer to a CSS frame
- *
- * @param[in]	frame       Valid CSS frame pointer
- * @param[in]	mapped_data  Mapped data buffer to be assigned to the CSS frame
- * @param[in]	data_size_bytes  Size of the mapped_data in bytes
- * @return      The error code.
- *
- * Sets a mapped data buffer to this frame. This function can be called multiple
- * times with different buffers or NULL to reset the data pointer. This API
- * would not try free the mapped_data and its the callers responsiblity to
- * free the mapped_data buffer. However if ia_css_frame_free() is called and
- * the frame had a valid data buffer, it would be freed along with the frame.
- */
-int
-ia_css_frame_set_data(struct ia_css_frame *frame,
-		      const ia_css_ptr   mapped_data,
-		      size_t data_size_bytes);
-
-/* @brief Map an existing frame data pointer to a CSS frame.
- *
- * @param	frame		Pointer to the frame to be initialized
- * @param[in]	info		The frame info.
- * @param[in]	data		Pointer to the allocated frame data.
- * @param[in]	attribute	Attributes to be passed to mmgr_mmap.
- * @param[in]	context		Pointer to the a context to be passed to mmgr_mmap.
- * @return			The allocated frame structure.
- *
- * This function maps a pre-allocated pointer into a CSS frame. This can be
- * used when an upper software layer is responsible for allocating the frame
- * data and it wants to share that frame pointer with the CSS code.
- * This function will fill the CSS frame structure just like
- * ia_css_frame_allocate() does, but instead of allocating the memory, it will
- * map the pre-allocated memory into the CSS address space.
- */
-int
-ia_css_frame_map(struct ia_css_frame **frame,
-		 const struct ia_css_frame_info *info,
-		 const void __user *data,
-		 unsigned int pgnr);
-
-/* @brief Unmap a CSS frame structure.
- *
- * @param[in]	frame	Pointer to the CSS frame.
- * @return	None
- *
- * This function unmaps the frame data pointer within a CSS frame and
- * then frees the CSS frame structure. Use this for frame pointers created
- * using ia_css_frame_map().
- */
-void
-ia_css_frame_unmap(struct ia_css_frame *frame);
-
 static inline const struct ia_css_frame_info *
 ia_css_frame_get_info(const struct ia_css_frame *frame)
 {
diff --git a/drivers/staging/media/atomisp/pci/runtime/frame/src/frame.c b/drivers/staging/media/atomisp/pci/runtime/frame/src/frame.c
index 332b4a39e74d..83bb42e05421 100644
--- a/drivers/staging/media/atomisp/pci/runtime/frame/src/frame.c
+++ b/drivers/staging/media/atomisp/pci/runtime/frame/src/frame.c
@@ -88,12 +88,6 @@  ia_css_elems_bytes_from_info(
 **	CSS API functions, exposed by ia_css.h
 **************************************************************************/
 
-void ia_css_frame_zero(struct ia_css_frame *frame)
-{
-	assert(frame);
-	hmm_set(frame->data, 0, frame->data_bytes);
-}
-
 int ia_css_frame_allocate_from_info(struct ia_css_frame **frame,
 	const struct ia_css_frame_info *info)
 {
@@ -143,121 +137,6 @@  int ia_css_frame_allocate(struct ia_css_frame **frame,
 	return err;
 }
 
-int ia_css_frame_map(struct ia_css_frame **frame,
-				 const struct ia_css_frame_info *info,
-				 const void __user *data,
-				 unsigned int pgnr)
-{
-	int err = 0;
-	struct ia_css_frame *me;
-
-	assert(frame);
-
-	/* Create the frame structure */
-	err = ia_css_frame_create_from_info(&me, info);
-
-	if (err)
-		return err;
-
-	if (pgnr < ((PAGE_ALIGN(me->data_bytes)) >> PAGE_SHIFT)) {
-		dev_err(atomisp_dev,
-			"user space memory size is less than the expected size..\n");
-		err = -ENOMEM;
-		goto error;
-	} else if (pgnr > ((PAGE_ALIGN(me->data_bytes)) >> PAGE_SHIFT)) {
-		dev_err(atomisp_dev,
-			"user space memory size is large than the expected size..\n");
-		err = -ENOMEM;
-		goto error;
-	}
-
-	me->data = hmm_create_from_userdata(me->data_bytes, data);
-	if (me->data == mmgr_NULL)
-		err = -EINVAL;
-
-error:
-	if (err) {
-		kvfree(me);
-		me = NULL;
-	}
-
-	*frame = me;
-
-	return err;
-}
-
-int ia_css_frame_create_from_info(struct ia_css_frame **frame,
-	const struct ia_css_frame_info *info)
-{
-	int err = 0;
-	struct ia_css_frame *me;
-
-	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
-			    "ia_css_frame_create_from_info() enter:\n");
-	if (!frame || !info) {
-		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
-				    "ia_css_frame_create_from_info() leave: invalid arguments\n");
-		return -EINVAL;
-	}
-
-	me = frame_create(info->res.width,
-			  info->res.height,
-			  info->format,
-			  info->padded_width,
-			  info->raw_bit_depth,
-			  false);
-	if (!me) {
-		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
-				    "ia_css_frame_create_from_info() leave: frame create failed\n");
-		return -ENOMEM;
-	}
-
-	err = ia_css_frame_init_planes(me);
-
-	if (err) {
-		kvfree(me);
-		me = NULL;
-	}
-
-	*frame = me;
-
-	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
-			    "ia_css_frame_create_from_info() leave:\n");
-
-	return err;
-}
-
-int ia_css_frame_set_data(struct ia_css_frame *frame,
-				      const ia_css_ptr mapped_data,
-				      size_t data_bytes)
-{
-	int err = 0;
-
-	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
-			    "ia_css_frame_set_data() enter:\n");
-	if (!frame) {
-		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
-				    "ia_css_frame_set_data() leave: NULL frame\n");
-		return -EINVAL;
-	}
-
-	/* If we are setting a valid data.
-	 * Make sure that there is enough
-	 * room for the expected frame format
-	 */
-	if ((mapped_data != mmgr_NULL) && (frame->data_bytes > data_bytes)) {
-		ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
-				    "ia_css_frame_set_data() leave: invalid arguments\n");
-		return -EINVAL;
-	}
-
-	frame->data = mapped_data;
-
-	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, "ia_css_frame_set_data() leave:\n");
-
-	return err;
-}
-
 void ia_css_frame_free(struct ia_css_frame *frame)
 {
 	IA_CSS_ENTER_PRIVATE("frame = %p", frame);