linux-kernel - [PATCH char-misc-testing 1/1] Revert "iommu: Allow iova to be used without requiring IOMMU

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Date:	Mon,  5 Oct 2015 10:37:01 -0700
From:	Sudeep Dutt <sudeep.dutt@...el.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
	David Woodhouse <david.woodhouse@...el.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>, joro@...tes.org,
	Ashutosh Dixit <ashutosh.dixit@...el.com>,
	Nikhil Rao <nikhil.rao@...el.com>,
	Sudeep Dutt <sudeep.dutt@...el.com>
Subject: [PATCH char-misc-testing 1/1] Revert "iommu: Allow iova to be used without requiring IOMMU_SUPPORT"

Revert 'commit 353649e5da90 ("iommu: Allow iova to be used without
requiring IOMMU_SUPPORT"). This commit is made unnecessary by
'commit ac6d83ccd9c5 ("misc: mic: Fix SCIF build failure with
IOMMU_SUPPORT disabled") and will create a conflict upon merging
with 4.3-rc4. The correct long term solution is to move the iova
library from drivers/iommu into lib/iova which will be done in
a future patch.

Cc: David Woodhouse <David.Woodhouse@...el.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@...el.com>
Signed-off-by: Sudeep Dutt <sudeep.dutt@...el.com>
---
 drivers/iommu/Kconfig | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 71d1c46..d9da766 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -12,9 +12,6 @@ menuconfig IOMMU_SUPPORT
 	  remap DMA requests and/or remap interrupts from other devices on the
 	  system.
 
-config IOMMU_IOVA
-	tristate
-
 if IOMMU_SUPPORT
 
 menu "Generic IOMMU Pagetable Support"
@@ -45,6 +42,9 @@ config IOMMU_IO_PGTABLE_LPAE_SELFTEST
 
 endmenu
 
+config IOMMU_IOVA
+	tristate
+
 config OF_IOMMU
        def_bool y
        depends on OF && IOMMU_API
-- 
1.8.2.1

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