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-rw-r--r--arch/powerpc/kernel/dma.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index c61f70e145a..21b784d7e7d 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -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);