1 files changed, 0 insertions, 109 deletions
diff --git a/ANDROID_3.4.5/arch/x86/kernel/pci-swiotlb.c b/ANDROID_3.4.5/arch/x86/kernel/pci-swiotlb.c
deleted file mode 100644
index 6c483ba9..00000000
--- a/ANDROID_3.4.5/arch/x86/kernel/pci-swiotlb.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/* Glue code to lib/swiotlb.c */
-
-#include <linux/pci.h>
-#include <linux/cache.h>
-#include <linux/module.h>
-#include <linux/swiotlb.h>
-#include <linux/bootmem.h>
-#include <linux/dma-mapping.h>
-
-#include <asm/iommu.h>
-#include <asm/swiotlb.h>
-#include <asm/dma.h>
-#include <asm/xen/swiotlb-xen.h>
-#include <asm/iommu_table.h>
-int swiotlb __read_mostly;
-
-static void *x86_swiotlb_alloc_coherent(struct device *hwdev, size_t size,
-					dma_addr_t *dma_handle, gfp_t flags,
-					struct dma_attrs *attrs)
-{
-	void *vaddr;
-
-	vaddr = dma_generic_alloc_coherent(hwdev, size, dma_handle, flags,
-					   attrs);
-	if (vaddr)
-		return vaddr;
-
-	return swiotlb_alloc_coherent(hwdev, size, dma_handle, flags);
-}
-
-static void x86_swiotlb_free_coherent(struct device *dev, size_t size,
-				      void *vaddr, dma_addr_t dma_addr,
-				      struct dma_attrs *attrs)
-{
-	swiotlb_free_coherent(dev, size, vaddr, dma_addr);
-}
-
-static struct dma_map_ops swiotlb_dma_ops = {
-	.mapping_error = swiotlb_dma_mapping_error,
-	.alloc = x86_swiotlb_alloc_coherent,
-	.free = x86_swiotlb_free_coherent,
-	.sync_single_for_cpu = swiotlb_sync_single_for_cpu,
-	.sync_single_for_device = swiotlb_sync_single_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_attrs,
-	.unmap_sg = swiotlb_unmap_sg_attrs,
-	.map_page = swiotlb_map_page,
-	.unmap_page = swiotlb_unmap_page,
-	.dma_supported = NULL,
-};
-
-/*
- * pci_swiotlb_detect_override - set swiotlb to 1 if necessary
- *
- * This returns non-zero if we are forced to use swiotlb (by the boot
- * option).
- */
-int __init pci_swiotlb_detect_override(void)
-{
-	int use_swiotlb = swiotlb | swiotlb_force;
-
-	if (swiotlb_force)
-		swiotlb = 1;
-
-	return use_swiotlb;
-}
-IOMMU_INIT_FINISH(pci_swiotlb_detect_override,
-		  pci_xen_swiotlb_detect,
-		  pci_swiotlb_init,
-		  pci_swiotlb_late_init);
-
-/*
- * if 4GB or more detected (and iommu=off not set) return 1
- * and set swiotlb to 1.
- */
-int __init pci_swiotlb_detect_4gb(void)
-{
-	/* don't initialize swiotlb if iommu=off (no_iommu=1) */
-#ifdef CONFIG_X86_64
-	if (!no_iommu && max_pfn > MAX_DMA32_PFN)
-		swiotlb = 1;
-#endif
-	return swiotlb;
-}
-IOMMU_INIT(pci_swiotlb_detect_4gb,
-	   pci_swiotlb_detect_override,
-	   pci_swiotlb_init,
-	   pci_swiotlb_late_init);
-
-void __init pci_swiotlb_init(void)
-{
-	if (swiotlb) {
-		swiotlb_init(0);
-		dma_ops = &swiotlb_dma_ops;
-	}
-}
-
-void __init pci_swiotlb_late_init(void)
-{
-	/* An IOMMU turned us off. */
-	if (!swiotlb)
-		swiotlb_free();
-	else {
-		printk(KERN_INFO "PCI-DMA: "
-		       "Using software bounce buffering for IO (SWIOTLB)\n");
-		swiotlb_print_info();
-	}
-}