LXR linux/arch/avr32/mach-at32ap/include/mach/sram.h

   1/*
   2 * Simple SRAM allocator
   3 *
   4 * Copyright (C) 2008 Atmel Corporation
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9 */
  10#ifndef __ASM_AVR32_ARCH_SRAM_H
  11#define __ASM_AVR32_ARCH_SRAM_H
  12
  13#include <linux/genalloc.h>
  14
  15extern struct gen_pool *sram_pool;
  16
  17static inline unsigned long sram_alloc(size_t len)
  18{
  19        if (!sram_pool)
  20                return 0UL;
  21
  22        return gen_pool_alloc(sram_pool, len);
  23}
  24
  25static inline void sram_free(unsigned long addr, size_t len)
  26{
  27        return gen_pool_free(sram_pool, addr, len);
  28}
  29
  30#endif /* __ASM_AVR32_ARCH_SRAM_H */
  31