1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __ASM_SRAM_H
 3#define __ASM_SRAM_H
 4
 5#ifdef CONFIG_HAVE_SRAM_POOL
 6
 7#include <linux/spinlock.h>
 8#include <linux/genalloc.h>
 9
10/* arch/sh/mm/sram.c */
11extern struct gen_pool *sram_pool;
12
13static inline unsigned long sram_alloc(size_t len)
14{
15	if (!sram_pool)
16		return 0UL;
17
18	return gen_pool_alloc(sram_pool, len);
19}
20
21static inline void sram_free(unsigned long addr, size_t len)
22{
23	return gen_pool_free(sram_pool, addr, len);
24}
25
26#else
27
28static inline unsigned long sram_alloc(size_t len)
29{
30	return 0;
31}
32
33static inline void sram_free(unsigned long addr, size_t len)
34{
35}
36
37#endif /* CONFIG_HAVE_SRAM_POOL */
38
39#endif /* __ASM_SRAM_H */