summaryrefslogblamecommitdiff
path: root/arch/sh/include/asm/sram.h
blob: c125cf2198683e4aedd94de781551f4b338ff600 (plain) (tree) 
b24413180f56 ^

c993487ec87b ^






































1

2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39

                                      





































                                                            
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SRAM_H
#define __ASM_SRAM_H

#ifdef CONFIG_HAVE_SRAM_POOL

#include <linux/spinlock.h>
#include <linux/genalloc.h>

/* arch/sh/mm/sram.c */
extern struct gen_pool *sram_pool;

static inline unsigned long sram_alloc(size_t len)
{
	if (!sram_pool)
		return 0UL;

	return gen_pool_alloc(sram_pool, len);
}

static inline void sram_free(unsigned long addr, size_t len)
{
	return gen_pool_free(sram_pool, addr, len);
}

#else

static inline unsigned long sram_alloc(size_t len)
{
	return 0;
}

static inline void sram_free(unsigned long addr, size_t len)
{
}

#endif /* CONFIG_HAVE_SRAM_POOL */

#endif /* __ASM_SRAM_H */