From: Simon Xue xxm@rock-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@rock-chips.com Signed-off-by: Shunqian Zheng xxm@rock-chips.com --- 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 ec0ce62..3c16ec3 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,