From: Thierry Reding <tred...@nvidia.com> Hi Joerg,
Here are a couple of urgent fixes for a regression on old Tegra devices related to IOMMU support. The issue is that many drivers think it's a good idea to register IOMMU support unconditionally, which is not the smart thing to do at all on multi-platform kernels. This probably went unnoticed for a while because the offending drivers aren't enabled in any of the multi-platform default configurations. Fedora ARM has their own config where the offending drivers did get enabled, hence caused a regression on Tegra20. I would expect the same regression to exist on a number of other SoCs, possibly all that support IOMMU. I've tried to keep the patches minimal in the hopes of still getting this into v3.19-rc8 or the final release to avoid the regression. Thierry Thierry Reding (4): iommu/exynos: Play nice in multi-platform builds iommu/omap: Play nice in multi-platform builds iommu/rockchip: Play nice in multi-platform builds iommu/msm: Mark driver BROKEN drivers/iommu/Kconfig | 1 + drivers/iommu/exynos-iommu.c | 3 +++ drivers/iommu/omap-iommu.c | 6 ++++++ drivers/iommu/rockchip-iommu.c | 6 ++++++ 4 files changed, 16 insertions(+) -- 2.1.3 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
