diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/dmar.c | 7 | ||||
| -rw-r--r-- | drivers/pci/intel-iommu.c | 6 |
2 files changed, 9 insertions, 4 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index b952ebc7a78..416f6ac65b7 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -645,10 +645,13 @@ void __init detect_intel_iommu(void) "x2apic and Intr-remapping.\n"); #endif #ifdef CONFIG_DMAR - if (ret && !no_iommu && !iommu_detected && !swiotlb && - !dmar_disabled) + if (ret && !no_iommu && !iommu_detected && !dmar_disabled) iommu_detected = 1; #endif +#ifdef CONFIG_X86 + if (ret) + x86_init.iommu.iommu_init = intel_iommu_init; +#endif } early_acpi_os_unmap_memory(dmar_tbl, dmar_tbl_size); dmar_tbl = NULL; diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index 1840a0578a4..9261327b49f 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -3266,7 +3266,7 @@ int __init intel_iommu_init(void) * Check the need for DMA-remapping initialization now. * Above initialization will also be used by Interrupt-remapping. */ - if (no_iommu || swiotlb || dmar_disabled) + if (no_iommu || dmar_disabled) return -ENODEV; iommu_init_mempool(); @@ -3287,7 +3287,9 @@ int __init intel_iommu_init(void) "PCI-DMA: Intel(R) Virtualization Technology for Directed I/O\n"); init_timer(&unmap_timer); - force_iommu = 1; +#ifdef CONFIG_SWIOTLB + swiotlb = 0; +#endif dma_ops = &intel_dma_ops; init_iommu_sysfs(); |