linux-kernel - [PATCH 4.6 089/203] iommu/arm-smmu: Wire up map

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Message-Id: <20160725203432.977635628@linuxfoundation.org>
Date:	Mon, 25 Jul 2016 13:55:04 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Jean-Philippe Brucker <jean-philippe.brucker@....com>,
	Will Deacon <will.deacon@....com>,
	Joerg Roedel <jroedel@...e.de>
Subject: [PATCH 4.6 089/203] iommu/arm-smmu: Wire up map_sg for arm-smmu-v3

4.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jean-Philippe Brucker <jean-philippe.brucker@....com>

commit 9aeb26cfc2abc96be42b9df2d0f2dc5d805084ff upstream.

The map_sg callback is missing from arm_smmu_ops, but is required by
iommu.h. Similarly to most other IOMMU drivers, connect it to
default_iommu_map_sg.

Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@....com>
Signed-off-by: Will Deacon <will.deacon@....com>
Signed-off-by: Joerg Roedel <jroedel@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/iommu/arm-smmu-v3.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1942,6 +1942,7 @@ static struct iommu_ops arm_smmu_ops = {
 	.attach_dev		= arm_smmu_attach_dev,
 	.map			= arm_smmu_map,
 	.unmap			= arm_smmu_unmap,
+	.map_sg			= default_iommu_map_sg,
 	.iova_to_phys		= arm_smmu_iova_to_phys,
 	.add_device		= arm_smmu_add_device,
 	.remove_device		= arm_smmu_remove_device,