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authorHaavard Skinnemoen <hskinnemoen@atmel.com>2008-03-05 10:00:28 +0100
committerHaavard Skinnemoen <haavard.skinnemoen@atmel.com>2008-07-02 11:05:01 +0200
commitb83d6ee17588f1a4fbfc8ef0451b0900a5ef5950 (patch)
treebde2ffd7f1ad14d8a6f15300a8e0d7b36224bbc9 /include/asm-avr32/arch-at32ap
parent7951f188a0b7f9b2f181c692efb0d31082bec346 (diff)
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>
Diffstat (limited to 'include/asm-avr32/arch-at32ap')
-rw-r--r--include/asm-avr32/arch-at32ap/sram.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-avr32/arch-at32ap/sram.h b/include/asm-avr32/arch-at32ap/sram.h
new file mode 100644
index 00000000000..4838dae7601
--- /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 */