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 */
|
