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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@@ -31,12 +31,6 @@ · 30 unmodified lines
31	31	* if the IOMMU page table format is equivalent.
32	32	*/
33	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
41	35	struct iommu_ops;
42	36	struct iommu_group;