linux-kernel - [PATCH v4 2/8] iommu/rockchip: Add map_sg callback for rk_iommu

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Date:	Tue, 21 Jun 2016 13:34:35 +0900
From:	Tomasz Figa <tfiga@...omium.org>
To:	iommu@...ts.linux-foundation.org, dri-devel@...ts.freedesktop.org
Cc:	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
	David Airlie <airlied@...ux.ie>,
	Heiko Stuebner <heiko@...ech.de>,
	Mark Yao <mark.yao@...k-chips.com>,
	Shunqian Zheng <zhengsq@...k-chips.com>,
	Daniel Kurtz <djkurtz@...omium.org>,
	Joerg Roedel <joro@...tes.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Simon Xue <xxm@...k-chips.com>,
	Tomasz Figa <tfiga@...omium.org>
Subject: [PATCH v4 2/8] iommu/rockchip: Add map_sg callback for rk_iommu_ops

From: Simon Xue <xxm@...k-chips.com>

The iommu_dma_alloc() in iommu/dma-iommu.c calls iommu_map_sg()
that requires the callback iommu_ops .map_sg(). Adding the
default_iommu_map_sg() to Rockchip IOMMU accordingly.

Signed-off-by: Simon Xue <xxm@...k-chips.com>
Signed-off-by: Shunqian Zheng <xxm@...k-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/346326
Reviewed-by: Douglas Anderson <dianders@...omium.org>
Signed-off-by: Tomasz Figa <tfiga@...omium.org>
---
 drivers/iommu/rockchip-iommu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index 5a9659a..53fa0d9 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -1022,6 +1022,7 @@ static const struct iommu_ops rk_iommu_ops = {
 	.detach_dev = rk_iommu_detach_device,
 	.map = rk_iommu_map,
 	.unmap = rk_iommu_unmap,
+	.map_sg = default_iommu_map_sg,
 	.add_device = rk_iommu_add_device,
 	.remove_device = rk_iommu_remove_device,
 	.iova_to_phys = rk_iommu_iova_to_phys,
-- 
2.8.0.rc3.226.g39d4020