On Wed, Jul 21, 2021 at 07:20:27PM +0100, Robin Murphy wrote:> - if (type == IOMMU_DOMAIN_DMA && using_legacy_binding)> + if ((type & __IOMMU_DOMAIN_DMA_API) && using_legacy_binding)Hmm, I wonder whether it is time to introduce helpers for these checks?Something like iommu_domain_is_dma() is more readable.