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iommu: Remove unused IOMMU_SYS_CACHE_ONLY flag

The IOMMU_SYS_CACHE_ONLY flag was never exposed via the DMA API and has no in-tree users. Remove it.

Will Deacon committed 6 years ago

Commit ecd72741 parent 9ebcfad2 files · +0 −9Browse files

Showing the changes to include/linux (1 of 2 files). Show all

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include/linux/iommu.h+0−6
@@ -31,12 +31,6 @@ · 30 unmodified lines
31 * if the IOMMU page table format is equivalent.31 * if the IOMMU page table format is equivalent.
32 */32 */
33#define IOMMU_PRIV (1 << 5)33#define IOMMU_PRIV (1 << 5)
34/*
35 * Non-coherent masters can use this page protection flag to set cacheable
36 * memory attributes for only a transparent outer level of cache, also known as
37 * the last-level or system cache.
38 */
39#define IOMMU_SYS_CACHE_ONLY (1 << 6)
40 34
41struct iommu_ops;35struct iommu_ops;
42struct iommu_group;36struct iommu_group;