On Fri, Mar 27, 2015 at 11:07:25AM +0100, Thierry Reding wrote: > From: Thierry Reding <treding@xxxxxxxxxx> > > Each address space in the Tegra SMMU provides 4 GiB worth of addresses. > > Cc: Hiroshi Doyu <hdoyu@xxxxxxxxxx> > Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> > --- > drivers/iommu/tegra-smmu.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c > index fff45b3d3e57..7b36760ae087 100644 > --- a/drivers/iommu/tegra-smmu.c > +++ b/drivers/iommu/tegra-smmu.c > @@ -269,6 +269,11 @@ static int tegra_smmu_domain_init(struct iommu_domain *domain) > > domain->priv = as; > > + /* setup aperture */ > + domain->geometry.aperture_start = 0; > + domain->geometry.aperture_end = 0xffffffff; > + domain->geometry.force_aperture = true; > + > return 0; > } I also just realized that this hunk conflicts with the IOMMU domain alloc/free series that you sent out yesterday. Were you planning on merging that series for 4.1? If so I can regenerate these patches on top of your series. Thierry
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