On Thu, Apr 06, 2023 at 08:42:57PM -0300, Jason Gunthorpe wrote: > What exynos calls exynos_iommu_detach_device is actually putting the iommu > into identity mode. Instead of having a translation mode that is invisible > to the core code implement it as an actual IDENTITY domain. > > On ARM64 this will allow the IDENTITIY dma iommu mode to work, and on > ARM32 this clarifies what set_platform_dma_ops is actually doing. > > Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > --- > drivers/iommu/exynos-iommu.c | 67 ++++++++++++++++++++++-------------- > 1 file changed, 42 insertions(+), 25 deletions(-) > > Marek, as requested here is that patch on top of your stuff that went to rc Just for clarity this patch was superseded by this series where it is patch 10: https://lore.kernel.org/linux-iommu/0-v2-8d1dc464eac9+10f-iommu_all_defdom_jgg@xxxxxxxxxx Jason
