diff options
-rw-r--r-- | arch/sparc64/kernel/iommu_common.h | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/sparc64/kernel/iommu_common.h b/arch/sparc64/kernel/iommu_common.h index 4b5cafa2877a..41992371c932 100644 --- a/arch/sparc64/kernel/iommu_common.h +++ b/arch/sparc64/kernel/iommu_common.h | |||
@@ -55,22 +55,3 @@ static inline unsigned long calc_npages(struct scatterlist *sglist, int nelems) | |||
55 | 55 | ||
56 | return npages; | 56 | return npages; |
57 | } | 57 | } |
58 | |||
59 | /* You are _strongly_ advised to enable the following debugging code | ||
60 | * any time you make changes to the sg code below, run it for a while | ||
61 | * with filesystems mounted read-only before buying the farm... -DaveM | ||
62 | */ | ||
63 | #undef VERIFY_SG | ||
64 | |||
65 | #ifdef VERIFY_SG | ||
66 | extern void verify_sglist(struct scatterlist *sg, int nents, iopte_t *iopte, int npages); | ||
67 | #endif | ||
68 | |||
69 | /* Two addresses are "virtually contiguous" if and only if: | ||
70 | * 1) They are equal, or... | ||
71 | * 2) They are both on a page boundary | ||
72 | */ | ||
73 | #define VCONTIG(__X, __Y) (((__X) == (__Y)) || \ | ||
74 | (((__X) | (__Y)) << (64UL - PAGE_SHIFT)) == 0UL) | ||
75 | |||
76 | extern unsigned long prepare_sg(struct device *dev, struct scatterlist *sg, int nents); | ||