diff options
Diffstat (limited to 'arch/sh/include/asm/sram.h')
-rw-r--r-- | arch/sh/include/asm/sram.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/sh/include/asm/sram.h b/arch/sh/include/asm/sram.h new file mode 100644 index 000000000000..a2808ce4c0aa --- /dev/null +++ b/arch/sh/include/asm/sram.h | |||
@@ -0,0 +1,38 @@ | |||
1 | #ifndef __ASM_SRAM_H | ||
2 | #define __ASM_SRAM_H | ||
3 | |||
4 | #ifdef CONFIG_HAVE_SRAM_POOL | ||
5 | |||
6 | #include <linux/spinlock.h> | ||
7 | #include <linux/genalloc.h> | ||
8 | |||
9 | /* arch/sh/mm/sram.c */ | ||
10 | extern struct gen_pool *sram_pool; | ||
11 | |||
12 | static inline unsigned long sram_alloc(size_t len) | ||
13 | { | ||
14 | if (!sram_pool) | ||
15 | return 0UL; | ||
16 | |||
17 | return gen_pool_alloc(sram_pool, len); | ||
18 | } | ||
19 | |||
20 | static inline void sram_free(unsigned long addr, size_t len) | ||
21 | { | ||
22 | return gen_pool_free(sram_pool, addr, len); | ||
23 | } | ||
24 | |||
25 | #else | ||
26 | |||
27 | static inline unsigned long sram_alloc(size_t len) | ||
28 | { | ||
29 | return 0; | ||
30 | } | ||
31 | |||
32 | static inline void sram_free(unsigned long addr, size_t len) | ||
33 | { | ||
34 | } | ||
35 | |||
36 | #endif /* CONFIG_HAVE_SRAM_POOL */ | ||
37 | |||
38 | #endif /* __ASM_SRAM_H */ | ||