1 files changed, 0 insertions, 94 deletions
diff --git a/arch/x86_64/kernel/pci-nommu.c b/arch/x86_64/kernel/pci-nommu.c
deleted file mode 100644
index 67d90b89af0..00000000000
--- a/arch/x86_64/kernel/pci-nommu.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/* Fallback functions when the main IOMMU code is not compiled in. This
-   code is roughly equivalent to i386. */
-#include <linux/mm.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/string.h>
-#include <asm/proto.h>
-#include <asm/processor.h>
-
-int iommu_merge = 0;
-EXPORT_SYMBOL(iommu_merge);
-
-dma_addr_t bad_dma_address;
-EXPORT_SYMBOL(bad_dma_address);
-
-int iommu_bio_merge = 0;
-EXPORT_SYMBOL(iommu_bio_merge);
-
-int iommu_sac_force = 0;
-EXPORT_SYMBOL(iommu_sac_force);
-
-/* 
- * Dummy IO MMU functions
- */
-
-void *dma_alloc_coherent(struct device *hwdev, size_t size,
-			 dma_addr_t *dma_handle, unsigned gfp)
-{
-	void *ret;
-	u64 mask;
-	int order = get_order(size);
-
-	if (hwdev)
-		mask = hwdev->coherent_dma_mask & *hwdev->dma_mask;
-	else
-		mask = 0xffffffff;
-	for (;;) {
-		ret = (void *)__get_free_pages(gfp, order);
-		if (ret == NULL)
-			return NULL;
-		*dma_handle = virt_to_bus(ret);
-		if ((*dma_handle & ~mask) == 0)
-			break;
-		free_pages((unsigned long)ret, order);
-		if (gfp & GFP_DMA)
-			return NULL;
-		gfp |= GFP_DMA;
-	}
-
-	memset(ret, 0, size);
-	return ret;
-}
-EXPORT_SYMBOL(dma_alloc_coherent);
-
-void dma_free_coherent(struct device *hwdev, size_t size,
-			 void *vaddr, dma_addr_t dma_handle)
-{
-	free_pages((unsigned long)vaddr, get_order(size));
-}
-EXPORT_SYMBOL(dma_free_coherent);
-
-int dma_supported(struct device *hwdev, u64 mask)
-{
-        /*
-         * we fall back to GFP_DMA when the mask isn't all 1s,
-         * so we can't guarantee allocations that must be
-         * within a tighter range than GFP_DMA..
-	 * RED-PEN this won't work for pci_map_single. Caller has to
-	 * use GFP_DMA in the first place.
-         */
-        if (mask < 0x00ffffff)
-                return 0;
-
-	return 1;
-} 
-EXPORT_SYMBOL(dma_supported);
-
-int dma_get_cache_alignment(void)
-{
-	return boot_cpu_data.x86_clflush_size;
-}
-EXPORT_SYMBOL(dma_get_cache_alignment);
-
-static int __init check_ram(void) 
-{ 
-	if (end_pfn >= 0xffffffff>>PAGE_SHIFT) { 
-		printk(
-		KERN_ERR "WARNING more than 4GB of memory but IOMMU not compiled in.\n"
-		KERN_ERR "WARNING 32bit PCI may malfunction.\n");
-	} 
-	return 0;
-} 
-__initcall(check_ram);
-