From: Thierry Reding <[email protected]> The driver currently doesn't work as expected and causes existing setups with Tegra20 to break after commit df06b759f2cf ("drm/tegra: Add IOMMU support"). To restore these setups, do not register the operations with the platform bus for now. Fixing this properly will involve non-trivial changes to the DRM driver, which are unlikely to be accepted at this point in the release cycle.
Reported-by: Misha Komarovskiy <[email protected]> Reported-by: Nicolas Chauvet <[email protected]> Tested-by: Misha Komarovskiy <[email protected]> Tested-by: Dmitry Osipenko <[email protected]> Cc: Hiroshi Doyu <[email protected]> Signed-off-by: Thierry Reding <[email protected]> --- drivers/iommu/tegra-gart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index f722a0c466cf..10fc32dabb0a 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -395,7 +395,7 @@ static int tegra_gart_probe(struct platform_device *pdev) do_gart_setup(gart, NULL); gart_handle = gart; - bus_set_iommu(&platform_bus_type, &gart_iommu_ops); + return 0; } -- 2.1.3 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
