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@xxxxxxx> Reviewed-by: Mike Habeck <habeck@xxxxxxx> Acked-by: Chris Wright <chrisw@xxxxxxxxxxxx> --- 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 @@ -2582,8 +2582,7 @@ 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; -- -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
