Merge branch 'sched/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip...

[pandora-kernel.git] / arch / x86 / kernel / pci-swiotlb_64.c

diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c
index 82a0a67..82299cd 100644 (file)
--- a/arch/x86/kernel/pci-swiotlb_64.c
+++ b/arch/x86/kernel/pci-swiotlb_64.c
@@ -11,11 +11,18 @@
 
 int swiotlb __read_mostly;
 
+static dma_addr_t
+swiotlb_map_single_phys(struct device *hwdev, phys_addr_t paddr, size_t size,
+                       int direction)
+{
+       return swiotlb_map_single(hwdev, phys_to_virt(paddr), size, direction);
+}
+
 const struct dma_mapping_ops swiotlb_dma_ops = {
        .mapping_error = swiotlb_dma_mapping_error,
        .alloc_coherent = swiotlb_alloc_coherent,
        .free_coherent = swiotlb_free_coherent,
-       .map_single = swiotlb_map_single,
+       .map_single = swiotlb_map_single_phys,
        .unmap_single = swiotlb_unmap_single,
        .sync_single_for_cpu = swiotlb_sync_single_for_cpu,
        .sync_single_for_device = swiotlb_sync_single_for_device,
@@ -31,7 +38,7 @@ const struct dma_mapping_ops swiotlb_dma_ops = {
 void __init pci_swiotlb_init(void)
 {
        /* don't initialize swiotlb if iommu=off (no_iommu=1) */
-       if (!iommu_detected && !no_iommu && end_pfn > MAX_DMA32_PFN)
+       if (!iommu_detected && !no_iommu && max_pfn > MAX_DMA32_PFN)
               swiotlb = 1;
        if (swiotlb_force)
                swiotlb = 1;