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Diffstat (limited to 'arch/ia64/kernel/dma-mapping.c')
| -rw-r--r-- | arch/ia64/kernel/dma-mapping.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c index 7060e13fa42..086a2aeb040 100644 --- a/arch/ia64/kernel/dma-mapping.c +++ b/arch/ia64/kernel/dma-mapping.c @@ -1,5 +1,8 @@ #include <linux/dma-mapping.h> +/* Set this to 1 if there is a HW IOMMU in the system */ +int iommu_detected __read_mostly; + struct dma_map_ops *dma_ops; EXPORT_SYMBOL(dma_ops); |