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authorWill Deacon <will@kernel.org>2020-06-04 18:11:15 +0100
committerWill Deacon <will@kernel.org>2020-07-08 21:37:27 +0100
commitecd7274fb4cd2d6c035a52d59ca3d6ec936a07be (patch)
treefa28ab324167376d340c40a5b70aae5b48da5fbb /include/linux/iommu.h
parent9ebcfadb0610322ac537dd7aa5d9cbc2b2894c68 (diff)
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. Cc: Robin Murphy <robin.murphy@arm.com> Cc: "Isaac J. Manjarres" <isaacm@codeaurora.org> Cc: Joerg Roedel <joro@8bytes.org> Cc: Rob Clark <robdclark@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org> Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'include/linux/iommu.h')
-rw-r--r--include/linux/iommu.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 5f0b7859d2eb..bee1a8fa1fb1 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -31,12 +31,6 @@
* if the IOMMU page table format is equivalent.
*/
#define IOMMU_PRIV (1 << 5)
-/*
- * Non-coherent masters can use this page protection flag to set cacheable
- * memory attributes for only a transparent outer level of cache, also known as
- * the last-level or system cache.
- */
-#define IOMMU_SYS_CACHE_ONLY (1 << 6)
struct iommu_ops;
struct iommu_group;