media: atomisp: sh_css_mipi: Removed unused code ia_css_mipi_frame_enable_check_on_size()

ia_css_mipi_frame_enable_check_on_size() wasn't used by any functions.
So, it can be removed.

Link: https://lore.kernel.org/r/20230802095606.1298152-6-hpa@redhat.comSigned-off-by: Kate Hsuan <hpa@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

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

@@ -25,22 +25,6 @@
 #include "ia_css_stream_format.h"
 #include "ia_css_input_port.h"
 
-/* @brief Register size of a CSS MIPI frame for check during capturing.
- *
- * @param[in]	port	CSI-2 port this check is registered.
- * @param[in]	size_mem_words	The frame size in memory words (32B).
- * @return		Return the error in case of failure. E.g. MAX_NOF_ENTRIES REACHED
- *
- * Register size of a CSS MIPI frame to check during capturing. Up to
- *		IA_CSS_MIPI_SIZE_CHECK_MAX_NOF_ENTRIES entries per port allowed. Entries are reset
- *		when stream is stopped.
- *
- *
- */
-int
-ia_css_mipi_frame_enable_check_on_size(const enum mipi_port_id port,
-				       const unsigned int	size_mem_words);
-
 /* @brief Calculate the size of a mipi frame.
  *
  * @param[in]	width		The width (in pixels) of the frame.

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

@@ -185,35 +185,6 @@ ia_css_mipi_frame_calculate_size(const unsigned int width,
 	return err;
 }
 
-/*
- * Check if a source port or TPG/PRBS ID is valid
- */
-
-#if !defined(ISP2401)
-int
-ia_css_mipi_frame_enable_check_on_size(const enum mipi_port_id port,
-				       const unsigned int	size_mem_words)
-{
-	u32 idx;
-
-	int err = -EBUSY;
-
-	OP___assert(port < N_CSI_PORTS);
-	OP___assert(size_mem_words != 0);
-
-	for (idx = 0; idx < IA_CSS_MIPI_SIZE_CHECK_MAX_NOF_ENTRIES_PER_PORT &&
-	     my_css.mipi_sizes_for_check[port][idx] != 0;
-	     idx++) { /* do nothing */
-	}
-	if (idx < IA_CSS_MIPI_SIZE_CHECK_MAX_NOF_ENTRIES_PER_PORT) {
-		my_css.mipi_sizes_for_check[port][idx] = size_mem_words;
-		err = 0;
-	}
-
-	return err;
-}
-#endif
-
 void
 mipi_init(void)
 {