X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86_64%2Fkernel%2Fpci-swiotlb.c;h=6a55f87ba97f917ed2814bc3c11c3f21a3ad096b;hb=53ee11ae0d73f28029a5f0d991bc4dcd7c817e7a;hp=990ed67896f2ff514cc6283a65fea24fa00adcf1;hpb=fab8d6ddf6dee2608869005d45fe97f70e4f5bdd;p=linux-2.6-omap-h63xx.git

diff --git a/arch/x86_64/kernel/pci-swiotlb.c b/arch/x86_64/kernel/pci-swiotlb.c
index 990ed67896f..6a55f87ba97 100644
--- a/arch/x86_64/kernel/pci-swiotlb.c
+++ b/arch/x86_64/kernel/pci-swiotlb.c
@@ -31,9 +31,10 @@ struct dma_mapping_ops swiotlb_dma_ops = {
 void pci_swiotlb_init(void)
 {
 	/* don't initialize swiotlb if iommu=off (no_iommu=1) */
-	if (!iommu_aperture && !no_iommu &&
-	    (end_pfn > MAX_DMA32_PFN || force_iommu))
+	if (!iommu_detected && !no_iommu && end_pfn > MAX_DMA32_PFN)
 	       swiotlb = 1;
+	if (swiotlb_force)
+		swiotlb = 1;
 	if (swiotlb) {
 		printk(KERN_INFO "PCI-DMA: Using software bounce buffering for IO (SWIOTLB)\n");
 		swiotlb_init();