diff options
Diffstat (limited to 'arch/ia64/kernel')
| -rw-r--r-- | arch/ia64/kernel/pci-dma.c | 2 | ||||
| -rw-r--r-- | arch/ia64/kernel/pci-swiotlb.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c index 1376da45fd0..05695962fe4 100644 --- a/arch/ia64/kernel/pci-dma.c +++ b/arch/ia64/kernel/pci-dma.c @@ -32,6 +32,8 @@ int force_iommu __read_mostly = 1; int force_iommu __read_mostly; #endif +int iommu_pass_through; + /* Dummy device used for NULL arguments (normally ISA). Better would be probably a smaller DMA mask, but this is bug-to-bug compatible to i386. */ diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c index 285aae8431c..223abb13410 100644 --- a/arch/ia64/kernel/pci-swiotlb.c +++ b/arch/ia64/kernel/pci-swiotlb.c @@ -46,7 +46,7 @@ void __init swiotlb_dma_init(void) void __init pci_swiotlb_init(void) { - if (!iommu_detected) { + if (!iommu_detected || iommu_pass_through) { #ifdef CONFIG_IA64_GENERIC swiotlb = 1; printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n"); |