1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Support for Intel Camera Imaging ISP subsystem.
4  * Copyright (c) 2015, Intel Corporation.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms and conditions of the GNU General Public License,
8  * version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  * more details.
14  */
15 
16 #include <linux/slab.h>
17 #include <ia_css_host_data.h>
18 #include <sh_css_internal.h>
19 
ia_css_host_data_allocate(size_t size)20 struct ia_css_host_data *ia_css_host_data_allocate(size_t size)
21 {
22 	struct ia_css_host_data *me;
23 
24 	me =  kmalloc(sizeof(struct ia_css_host_data), GFP_KERNEL);
25 	if (!me)
26 		return NULL;
27 	me->size = (uint32_t)size;
28 	me->address = kvmalloc(size, GFP_KERNEL);
29 	if (!me->address) {
30 		kfree(me);
31 		return NULL;
32 	}
33 	return me;
34 }
35 
ia_css_host_data_free(struct ia_css_host_data * me)36 void ia_css_host_data_free(struct ia_css_host_data *me)
37 {
38 	if (me) {
39 		kvfree(me->address);
40 		me->address = NULL;
41 		kfree(me);
42 	}
43 }
44