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IOMMU Fixes for Linux v3.19-rc6

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Two small fixes for the Tegra GART IOMMU driver:
 
 	* Provide a .map_sg function for iommu_ops
 	* Do not register Tegra GART driver as a workaround because of
 	  issues with it when used from DRM code
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Merge tag 'iommu-fixes-v3.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:
 "Two small fixes for the Tegra GART IOMMU driver:

   - provide a .map_sg function for iommu_ops
   - do not register Tegra GART driver as a workaround because of issues
     with it when used from DRM code"

* tag 'iommu-fixes-v3.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/tegra: gart: Provide default ->map_sg() callback
  iommu/tegra: gart: Do not register with bus
This commit is contained in:
Linus Torvalds 2015-01-30 10:41:26 -08:00
commit f3a3404162
1 changed files with 2 additions and 1 deletions
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3
drivers/iommu/tegra-gart.c
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@ -315,6 +315,7 @@ static const struct iommu_ops gart_iommu_ops = {
.attach_dev = gart_iommu_attach_dev,
.detach_dev = gart_iommu_detach_dev,
.map = gart_iommu_map,
.map_sg = default_iommu_map_sg,
.unmap = gart_iommu_unmap,
.iova_to_phys = gart_iommu_iova_to_phys,
.pgsize_bitmap = GART_IOMMU_PGSIZES,
@ -395,7 +396,7 @@ 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;
}