mirror of https://gitee.com/openkylin/linux.git
39 lines
631 B
C
39 lines
631 B
C
|
#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 */
|