ARM: dma-mapping: Set arm_dma_set_mask() for iommu->set_dma_mask() (d09e1333) · Commits · 戴 / test

struct dma_map_ops iommu_ops doesn't have ->set_dma_mask, which causes crash when dma_set_mask() is called from some driver. Signed-off-by:

arch/arm/mm/dma-mapping.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -1732,6 +1732,8 @@ struct dma_map_ops iommu_ops = {
		.unmap_sg = arm_iommu_unmap_sg,
		.sync_sg_for_cpu = arm_iommu_sync_sg_for_cpu,
		.sync_sg_for_device = arm_iommu_sync_sg_for_device,

		.set_dma_mask = arm_dma_set_mask,
		};

		struct dma_map_ops iommu_coherent_ops = {
		@@ -1745,6 +1747,8 @@ struct dma_map_ops iommu_coherent_ops = {

		.map_sg = arm_coherent_iommu_map_sg,
		.unmap_sg = arm_coherent_iommu_unmap_sg,

		.set_dma_mask = arm_dma_set_mask,
		};

		/**