From ecd7274fb4cd2d6c035a52d59ca3d6ec936a07be Mon Sep 17 00:00:00 2001
From: Will Deacon <will@kernel.org>
Date: Thu, 4 Jun 2020 18:11:15 +0100
Subject: 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>
---
 include/linux/iommu.h | 6 ------
 1 file changed, 6 deletions(-)

(limited to 'include/linux')

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;
-- 
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