Re: [PATCH v4 1/7] iommu: Add IOMMU uclass

2021-10-31 Thread Tom Rini
On Sat, Oct 23, 2021 at 04:58:01PM +0200, Mark Kettenis wrote: > This uclass is intended to manage IOMMUs on systems where the > IOMMUs are not in bypass mode by default. In that case U-Boot > cannot ignore the IOMMUs if it wants to use devices that need > to do DMA and sit behind such an IOMMU.

Re: [PATCH v4 1/7] iommu: Add IOMMU uclass

2021-10-28 Thread Simon Glass
On Sat, 23 Oct 2021 at 08:58, Mark Kettenis wrote: > > This uclass is intended to manage IOMMUs on systems where the > IOMMUs are not in bypass mode by default. In that case U-Boot > cannot ignore the IOMMUs if it wants to use devices that need > to do DMA and sit behind such an IOMMU. > > This