iommu/rockchip: Add map_sg callback for rk_iommu_ops

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@rock-chips.com>
Signed-off-by: Shunqian Zheng <xxm@rock-chips.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index 5a9659a14e977261ad64daef4fa190ab953234b5..53fa0d939c9b682338d901875342e899dd02a13d 100644 (file)
--- 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,