Messages in this thread Patch in this message | | | Date | Thu, 26 May 2011 20:32:25 -0500 | From | Mike Travis <> | Subject | [PATCH 4/7] Intel pci: Use coherent DMA mask when requested |
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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> --- drivers/pci/intel-iommu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- linux.orig/drivers/pci/intel-iommu.c +++ linux/drivers/pci/intel-iommu.c @@ -2603,8 +2603,7 @@ static dma_addr_t __intel_map_single(str 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; --
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