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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
c993487e PM |
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 */ | |
11 | extern struct gen_pool *sram_pool; | |
12 | ||
13 | static 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 | ||
21 | static 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 | ||
28 | static inline unsigned long sram_alloc(size_t len) | |
29 | { | |
30 | return 0; | |
31 | } | |
32 | ||
33 | static 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 */ |