On Thu, Sep 10, 2020 at 10:12:33PM +0800, Hillf Danton wrote: > > On Tue, 8 Sep 2020 18:47:49 +0200 Christoph Hellwig wrote: > > > > The jazzdma ops implement support for a very basic IOMMU. Thus we really > > should not use the dma-direct code that takes physical address limits > > into account. This survived through the great MIPS DMA ops cleanup mostly > > because I was lazy, but now it is time to fully split the implementations. > > A minor change in behavior, do we need to clear the dma buf as the > dma-direct code does? Yes, I've fixed this up.
