From b83d6ee17588f1a4fbfc8ef0451b0900a5ef5950 Mon Sep 17 00:00:00 2001
From: Haavard Skinnemoen <hskinnemoen@atmel.com>
Date: Wed, 5 Mar 2008 10:00:28 +0100
Subject: avr32: Add simple SRAM allocator
Add SRAM allocator for avr32, which is just a thin wrapper around
genalloc.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
---
include/asm-avr32/arch-at32ap/sram.h | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
create mode 100644 include/asm-avr32/arch-at32ap/sram.h
(limited to 'include/asm-avr32')
diff --git a/include/asm-avr32/arch-at32ap/sram.h b/include/asm-avr32/arch-at32ap/sram.h
new file mode 100644
index 000000000000..4838dae7601a
--- /dev/null
+++ b/include/asm-avr32/arch-at32ap/sram.h
@@ -0,0 +1,30 @@
+/*
+ * 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 */
--
cgit