media: staging: media: atomisp: Remove unused function

The function ia_css_mipi_frame_specify() is not called from anywhere and
the comment above its declaration states that it should be removed when
there are no more users. So remove it.

Link: https://lore.kernel.org/linux-media/20201017142810.26967-1-alex.dewar90@gmail.comSigned-off-by: Alex Dewar <alex.dewar90@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/atomisp/pci/ia_css_mipi.h

@@ -25,23 +25,6 @@
 #include "ia_css_stream_format.h"
 #include "ia_css_input_port.h"
 
-/* Backward compatible for CSS API 2.0 only
- * TO BE REMOVED when all drivers move to CSS API 2.1.
- */
-/* @brief Specify a CSS MIPI frame buffer.
- *
- * @param[in]	size_mem_words	The frame size in memory words (32B).
- * @param[in]	contiguous	Allocate memory physically contiguously or not.
- * @return		The error code.
- *
- * \deprecated{Use ia_css_mipi_buffer_config instead.}
- *
- * Specifies a CSS MIPI frame buffer: size in memory words (32B).
- */
-int
-ia_css_mipi_frame_specify(const unsigned int	size_mem_words,
-			  const bool contiguous);
-
 /* @brief Register size of a CSS MIPI frame for check during capturing.
  *
  * @param[in]	port	CSI-2 port this check is registered.

drivers/staging/media/atomisp/pci/sh_css_mipi.c

@@ -33,17 +33,6 @@
 static u32
 ref_count_mipi_allocation[N_CSI_PORTS]; /* Initialized in mipi_init */
 
-int
-ia_css_mipi_frame_specify(const unsigned int size_mem_words,
-			  const bool contiguous) {
-	int err = 0;
-
-	my_css.size_mem_words = size_mem_words;
-	(void)contiguous;
-
-	return err;
-}
-
 /*
  * Check if a source port or TPG/PRBS ID is valid
  */