# DMA engine configuration for hsu config HSU_DMA tristate select DMA_ENGINE select DMA_VIRTUAL_CHANNELS config HSU_DMA_PCI tristate "High Speed UART DMA PCI driver" depends on PCI select HSU_DMA help Support the High Speed UART DMA on the platfroms that enumerate it as a PCI device. For example, Intel Medfield has integrated this HSU DMA controller.