media: atomisp: get rid of unused memory_realloc code

The code for it is commented out, probably because it is
broken or uneeded for the driver to work. So, let's get
rid of it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/atomisp/Makefile

@@ -115,7 +115,6 @@ atomisp-objs += \
 	pci/isp/kernels/xnr/xnr_3.0/ia_css_xnr3.host.o \
 	pci/isp/kernels/ynr/ynr_1.0/ia_css_ynr.host.o \
 	pci/isp/kernels/ynr/ynr_2/ia_css_ynr2.host.o \
-	pci/memory_realloc.o \
 	pci/mmu/isp_mmu.o \
 	pci/mmu/sh_mmu_mrfld.o \
 	pci/runtime/binary/src/binary.o \

drivers/staging/media/atomisp/pci/hive_isp_css_include/memory_realloc.h

-/**
-Support for Intel Camera Imaging ISP subsystem.
-Copyright (c) 2010 - 2015, Intel Corporation.
-
-This program is free software; you can redistribute it and/or modify it
-under the terms and conditions of the GNU General Public License,
-version 2, as published by the Free Software Foundation.
-
-This program is distributed in the hope it will be useful, but WITHOUT
-ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-more details.
-*/
-#ifndef __MEMORY_REALLOC_H_INCLUDED__
-#define __MEMORY_REALLOC_H_INCLUDED__
-
-/*!
- * \brief
- * Define the internal reallocation of private css memory
- *
- */
-
-#include <type_support.h>
-/*
- * User provided file that defines the (sub)system address types:
- *	- hrt_vaddress	a type that can hold the (sub)system virtual address range
- */
-#include "system_types.h"
-#include "ia_css_err.h"
-
-bool reallocate_buffer(
-    hrt_vaddress *curr_buf,
-    size_t *curr_size,
-    size_t needed_size,
-    bool force,
-    enum ia_css_err *err);
-
-#endif /*__MEMORY_REALLOC_H_INCLUDED__*/

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

-/*
-Support for Intel Camera Imaging ISP subsystem.
-Copyright (c) 2010 - 2015, Intel Corporation.
-
-This program is free software; you can redistribute it and/or modify it
-under the terms and conditions of the GNU General Public License,
-version 2, as published by the Free Software Foundation.
-
-This program is distributed in the hope it will be useful, but WITHOUT
-ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
-more details.
-*/
-#include "memory_realloc.h"
-#include "ia_css_debug.h"
-#include "ia_css_refcount.h"
-#include "memory_access.h"
-
-static bool realloc_isp_css_mm_buf(
-    hrt_vaddress *curr_buf,
-    size_t *curr_size,
-    size_t needed_size,
-    bool force,
-    enum ia_css_err *err,
-    uint16_t mmgr_attribute);
-
-bool reallocate_buffer(
-    hrt_vaddress *curr_buf,
-    size_t *curr_size,
-    size_t needed_size,
-    bool force,
-    enum ia_css_err *err)
-{
-	bool ret;
-
-	IA_CSS_ENTER_PRIVATE("void");
-
-	ret = realloc_isp_css_mm_buf(curr_buf,
-				     curr_size, needed_size, force, err, 0);
-
-	IA_CSS_LEAVE_PRIVATE("ret=%d", ret);
-	return ret;
-}
-
-static bool realloc_isp_css_mm_buf(
-    hrt_vaddress *curr_buf,
-    size_t *curr_size,
-    size_t needed_size,
-    bool force,
-    enum ia_css_err *err,
-    uint16_t mmgr_attribute)
-{
-	s32 id;
-
-	*err = IA_CSS_SUCCESS;
-	/* Possible optimization: add a function sh_css_isp_css_mm_realloc()
-	 * and implement on top of hmm. */
-
-	IA_CSS_ENTER_PRIVATE("void");
-
-	if (ia_css_refcount_is_single(*curr_buf) && !force &&
-	    *curr_size >= needed_size) {
-		IA_CSS_LEAVE_PRIVATE("false");
-		return false;
-	}
-
-	id = IA_CSS_REFCOUNT_PARAM_BUFFER;
-	ia_css_refcount_decrement(id, *curr_buf);
-	*curr_buf = ia_css_refcount_increment(id, mmgr_alloc_attr(needed_size,
-					      mmgr_attribute));
-
-	if (!*curr_buf) {
-		*err = IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY;
-		*curr_size = 0;
-	} else {
-		*curr_size = needed_size;
-	}
-	IA_CSS_LEAVE_PRIVATE("true");
-	return true;
-}

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

@@ -46,9 +46,7 @@
 #include "ia_css_pipeline.h"
 #include "ia_css_debug.h"
 #include "memory_access.h"
-#if 0   /* FIXME */
-#include "memory_realloc.h"
-#endif
+
 #include "ia_css_isp_param.h"
 #include "ia_css_isp_params.h"
 #include "ia_css_mipi.h"