1 files changed, 0 insertions, 151 deletions

diff --git a/arch/ppc64/kernel/dma.c b/arch/ppc64/kernel/dma.c
deleted file mode 100644
index 7c3419656ccc..000000000000
--- a/arch/ppc64/kernel/dma.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * Copyright (C) 2004 IBM Corporation
- *
- * Implements the generic device dma API for ppc64. Handles
- * the pci and vio busses
- */
-
-#include <linux/device.h>
-#include <linux/dma-mapping.h>
-/* Include the busses we support */
-#include <linux/pci.h>
-#include <asm/vio.h>
-#include <asm/scatterlist.h>
-#include <asm/bug.h>
-
-static struct dma_mapping_ops *get_dma_ops(struct device *dev)
-{
-#ifdef CONFIG_PCI
-        if (dev->bus == &pci_bus_type)
-                return &pci_dma_ops;
-#endif
-#ifdef CONFIG_IBMVIO
-        if (dev->bus == &vio_bus_type)
-                return &vio_dma_ops;
-#endif
-        return NULL;
-}
-
-int dma_supported(struct device *dev, u64 mask)
-{
-        struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
-
-        if (dma_ops)
-                return dma_ops->dma_supported(dev, mask);
-        BUG();
-        return 0;
-}
-EXPORT_SYMBOL(dma_supported);
-
-int dma_set_mask(struct device *dev, u64 dma_mask)
-{
-#ifdef CONFIG_PCI
-        if (dev->bus == &pci_bus_type)
-                return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
-#endif
-#ifdef CONFIG_IBMVIO
-        if (dev->bus == &vio_bus_type)
-                return -EIO;
-#endif /* CONFIG_IBMVIO */
-        BUG();
-        return 0;
-}
-EXPORT_SYMBOL(dma_set_mask);
-
-void *dma_alloc_coherent(struct device *dev, size_t size,
-                dma_addr_t *dma_handle, gfp_t flag)
-{
-        struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
-
-        if (dma_ops)
-                return dma_ops->alloc_coherent(dev, size, dma_handle, flag);
-        BUG();
-        return NULL;
-}
-EXPORT_SYMBOL(dma_alloc_coherent);
-
-void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
-                dma_addr_t dma_handle)
-{
-        struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
-
-        if (dma_ops)
-                dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
-        else
-                BUG();
-}
-EXPORT_SYMBOL(dma_free_coherent);
-
-dma_addr_t dma_map_single(struct device *dev, void *cpu_addr, size_t size,
-                enum dma_data_direction direction)
-{
-        struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
-
-        if (dma_ops)
-                return dma_ops->map_single(dev, cpu_addr, size, direction);
-        BUG();
-        return (dma_addr_t)0;
-}
-EXPORT_SYMBOL(dma_map_single);
-
-void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
-                enum dma_data_direction direction)
-{
-        struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
-
-        if (dma_ops)
-                dma_ops->unmap_single(dev, dma_addr, size, direction);
-        else
-                BUG();
-}
-EXPORT_SYMBOL(dma_unmap_single);
-
-dma_addr_t dma_map_page(struct device *dev, struct page *page,
-                unsigned long offset, size_t size,
-                enum dma_data_direction direction)
-{
-        struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
-
-        if (dma_ops)
-                return dma_ops->map_single(dev,
-                                (page_address(page) + offset), size, direction);
-        BUG();
-        return (dma_addr_t)0;
-}
-EXPORT_SYMBOL(dma_map_page);
-
-void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
-                enum dma_data_direction direction)
-{
-        struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
-
-        if (dma_ops)
-                dma_ops->unmap_single(dev, dma_address, size, direction);
-        else
-                BUG();
-}
-EXPORT_SYMBOL(dma_unmap_page);
-
-int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
-                enum dma_data_direction direction)
-{
-        struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
-
-        if (dma_ops)
-                return dma_ops->map_sg(dev, sg, nents, direction);
-        BUG();
-        return 0;
-}
-EXPORT_SYMBOL(dma_map_sg);
-
-void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
-                enum dma_data_direction direction)
-{
-        struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
-
-        if (dma_ops)
-                dma_ops->unmap_sg(dev, sg, nhwentries, direction);
-        else
-                BUG();
-}
-EXPORT_SYMBOL(dma_unmap_sg);