1 files changed, 0 insertions, 44 deletions

diff --git a/arch/x86_64/kernel/pci-swiotlb_64.c b/arch/x86_64/kernel/pci-swiotlb_64.c
deleted file mode 100644
index b2f405ea7c85..000000000000
--- a/arch/x86_64/kernel/pci-swiotlb_64.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/* Glue code to lib/swiotlb.c */
-
-#include <linux/pci.h>
-#include <linux/cache.h>
-#include <linux/module.h>
-#include <linux/dma-mapping.h>
-
-#include <asm/iommu.h>
-#include <asm/swiotlb.h>
-#include <asm/dma.h>
-
-int swiotlb __read_mostly;
-EXPORT_SYMBOL(swiotlb);
-
-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,
-        .unmap_single = swiotlb_unmap_single,
-        .sync_single_for_cpu = swiotlb_sync_single_for_cpu,
-        .sync_single_for_device = swiotlb_sync_single_for_device,
-        .sync_single_range_for_cpu = swiotlb_sync_single_range_for_cpu,
-        .sync_single_range_for_device = swiotlb_sync_single_range_for_device,
-        .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
-        .sync_sg_for_device = swiotlb_sync_sg_for_device,
-        .map_sg = swiotlb_map_sg,
-        .unmap_sg = swiotlb_unmap_sg,
-        .dma_supported = NULL,
-};
-
-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)
-               swiotlb = 1;
-        if (swiotlb_force)
-                swiotlb = 1;
-        if (swiotlb) {
-                printk(KERN_INFO "PCI-DMA: Using software bounce buffering for IO (SWIOTLB)\n");
-                swiotlb_init();
-                dma_ops = &swiotlb_dma_ops;
-        }
-}