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powerpc: Add CONFIG_DMA_API_DEBUG support

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Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
FUJITA Tomonori
2009-08-04 19:08:28 +00:00
committed by Benjamin Herrenschmidt
parent 4a9a6bfe70
commit 80d3e8abb7
3 changed files with 22 additions and 1 deletions
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11
arch/powerpc/kernel/dma.c
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@@ -7,6 +7,7 @@
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/dma-debug.h>
#include <linux/lmb.h>
#include <asm/bug.h>
#include <asm/abs_addr.h>
@@ -156,3 +157,13 @@ struct dma_map_ops dma_direct_ops = {
#endif
};
EXPORT_SYMBOL(dma_direct_ops);
#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)
static int __init dma_init(void)
{
dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
return 0;
}
fs_initcall(dma_init);