diff options
Diffstat (limited to 'arch/sparc64')
| -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 4b5cafa2877..41992371c93 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) return npages; } - -/* You are _strongly_ advised to enable the following debugging code - * any time you make changes to the sg code below, run it for a while - * with filesystems mounted read-only before buying the farm... -DaveM - */ -#undef VERIFY_SG - -#ifdef VERIFY_SG -extern void verify_sglist(struct scatterlist *sg, int nents, iopte_t *iopte, int npages); -#endif - -/* Two addresses are "virtually contiguous" if and only if: - * 1) They are equal, or... - * 2) They are both on a page boundary - */ -#define VCONTIG(__X, __Y) (((__X) == (__Y)) || \ - (((__X) | (__Y)) << (64UL - PAGE_SHIFT)) == 0UL) - -extern unsigned long prepare_sg(struct device *dev, struct scatterlist *sg, int nents); |