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avr32: Add simple SRAM allocator

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Add SRAM allocator for avr32, which is just a thin wrapper around
genalloc.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
This commit is contained in:
Haavard Skinnemoen 2008-03-05 10:00:28 +01:00 • committed by Haavard Skinnemoen
commit b83d6ee175
3 changed files with 57 additions and 0 deletions
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30
include/asm-avr32/arch-at32ap/sram.h Normal file
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/*
* Simple SRAM allocator
*
* Copyright (C) 2008 Atmel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_AVR32_ARCH_SRAM_H
#define __ASM_AVR32_ARCH_SRAM_H
#include <linux/genalloc.h>
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);
}
#endif /* __ASM_AVR32_ARCH_SRAM_H */