arch: remove frv port

[sfrench/cifs-2.6.git] / arch / frv / mb93090-mb00 / pci-dma.c

diff --git a/arch/frv/mb93090-mb00/pci-dma.c b/arch/frv/mb93090-mb00/pci-dma.c
deleted file mode 100644 (file)
index e7130ab..0000000
--- a/arch/frv/mb93090-mb00/pci-dma.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/* pci-dma.c: Dynamic DMA mapping support for the FRV CPUs that have MMUs
- *
- * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/types.h>
-#include <linux/dma-mapping.h>
-#include <linux/list.h>
-#include <linux/pci.h>
-#include <linux/export.h>
-#include <linux/highmem.h>
-#include <linux/scatterlist.h>
-#include <asm/io.h>
-
-static void *frv_dma_alloc(struct device *hwdev, size_t size,
-               dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs)
-{
-       void *ret;
-
-       ret = consistent_alloc(gfp, size, dma_handle);
-       if (ret)
-               memset(ret, 0, size);
-
-       return ret;
-}
-
-static void frv_dma_free(struct device *hwdev, size_t size, void *vaddr,
-               dma_addr_t dma_handle, unsigned long attrs)
-{
-       consistent_free(vaddr);
-}
-
-static int frv_dma_map_sg(struct device *dev, struct scatterlist *sglist,
-               int nents, enum dma_data_direction direction,
-               unsigned long attrs)
-{
-       struct scatterlist *sg;
-       unsigned long dampr2;
-       void *vaddr;
-       int i;
-
-       BUG_ON(direction == DMA_NONE);
-
-       if (attrs & DMA_ATTR_SKIP_CPU_SYNC)
-               return nents;
-
-       dampr2 = __get_DAMPR(2);
-
-       for_each_sg(sglist, sg, nents, i) {
-               vaddr = kmap_atomic_primary(sg_page(sg));
-
-               frv_dcache_writeback((unsigned long) vaddr,
-                                    (unsigned long) vaddr + PAGE_SIZE);
-
-       }
-
-       kunmap_atomic_primary(vaddr);
-       if (dampr2) {
-               __set_DAMPR(2, dampr2);
-               __set_IAMPR(2, dampr2);
-       }
-
-       return nents;
-}
-
-static dma_addr_t frv_dma_map_page(struct device *dev, struct page *page,
-               unsigned long offset, size_t size,
-               enum dma_data_direction direction, unsigned long attrs)
-{
-       if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC))
-               flush_dcache_page(page);
-
-       return (dma_addr_t) page_to_phys(page) + offset;
-}
-
-static void frv_dma_sync_single_for_device(struct device *dev,
-               dma_addr_t dma_handle, size_t size,
-               enum dma_data_direction direction)
-{
-       flush_write_buffers();
-}
-
-static void frv_dma_sync_sg_for_device(struct device *dev,
-               struct scatterlist *sg, int nelems,
-               enum dma_data_direction direction)
-{
-       flush_write_buffers();
-}
-
-
-static int frv_dma_supported(struct device *dev, 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..
-         */
-        if (mask < 0x00ffffff)
-                return 0;
-       return 1;
-}
-
-const struct dma_map_ops frv_dma_ops = {
-       .alloc                  = frv_dma_alloc,
-       .free                   = frv_dma_free,
-       .map_page               = frv_dma_map_page,
-       .map_sg                 = frv_dma_map_sg,
-       .sync_single_for_device = frv_dma_sync_single_for_device,
-       .sync_sg_for_device     = frv_dma_sync_sg_for_device,
-       .dma_supported          = frv_dma_supported,
-};
-EXPORT_SYMBOL(frv_dma_ops);