On Wed, Jun 16, 2021 at 05:28:59PM +0200, Eric Auger wrote: > Hi Jean, > > On 6/10/21 9:51 AM, Jean-Philippe Brucker wrote: > > diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c > > index 4bf1dd3eb041..7bd1d2199141 100644 > > --- a/arch/arm64/mm/dma-mapping.c > > +++ b/arch/arm64/mm/dma-mapping.c > > @@ -50,7 +50,7 @@ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, > > > > dev->dma_coherent = coherent; > > if (iommu) > > - iommu_setup_dma_ops(dev, dma_base, size); > > + iommu_setup_dma_ops(dev, dma_base, size - dma_base - 1); > I don't get size - dma_base - 1? Because it's wrong, should be dma_base + size - 1. Thanks for catching it! Thanks, Jean
