[PATCH v6 01/19] arm: make SWIOTLB available

IOMMU_HELPER is needed because SWIOTLB calls iommu_is_span_boundary, provided by lib/iommu_helper.c. Signed-off-by: Stefano Stabellini Reviewed-by: Konrad Rzeszutek Wilk CC: will.dea...@arm.com CC: li...@arm.linux.org.uk Changes in v6: - check for dev->dma_mask being NULL in dma_capable.

[PATCH v6 01/19] arm: make SWIOTLB available

IOMMU_HELPER is needed because SWIOTLB calls iommu_is_span_boundary, provided by lib/iommu_helper.c. Signed-off-by: Stefano Stabellini stefano.stabell...@eu.citrix.com Reviewed-by: Konrad Rzeszutek Wilk konrad.w...@oracle.com CC: will.dea...@arm.com CC: li...@arm.linux.org.uk Changes in v6: -