diff options
| author | Mike Travis <travis@sgi.com> | 2011-05-28 13:15:05 -0500 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2011-06-01 12:47:45 +0100 |
| commit | c681d0ba1252954208220ad32248a3e8e2fc98e4 (patch) | |
| tree | fe74fdee4fa76e743aa0e8d2d22f958b1a1c710e | |
| parent | 1c9fc3d11b84fbd0c4f4aa7855702c2a1f098ebb (diff) | |
| download | linux-c681d0ba1252954208220ad32248a3e8e2fc98e4.tar.bz2 | |
intel-iommu: Use coherent DMA mask when requested
The __intel_map_single function is not honoring the passed in DMA mask.
This results in not using the coherent DMA mask when called from
intel_alloc_coherent().
Signed-off-by: Mike Travis <travis@sgi.com>
Acked-by: Chris Wright <chrisw@sous-sol.org>
Reviewed-by: Mike Habeck <habeck@sgi.com>
Cc: stable@kernel.org
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| -rw-r--r-- | drivers/pci/intel-iommu.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 98be0b55ac0b..5cbab7f19ae0 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -2732,8 +2732,7 @@ static dma_addr_t __intel_map_single(struct device *hwdev, phys_addr_t paddr, iommu = domain_get_iommu(domain); size = aligned_nrpages(paddr, size); - iova = intel_alloc_iova(hwdev, domain, dma_to_mm_pfn(size), - pdev->dma_mask); + iova = intel_alloc_iova(hwdev, domain, dma_to_mm_pfn(size), dma_mask); if (!iova) goto error; |