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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/frv/mb93090-mb00/pci-dma.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/frv/mb93090-mb00/pci-dma.c')
-rw-r--r--ANDROID_3.4.5/arch/frv/mb93090-mb00/pci-dma.c91
1 files changed, 0 insertions, 91 deletions
diff --git a/ANDROID_3.4.5/arch/frv/mb93090-mb00/pci-dma.c b/ANDROID_3.4.5/arch/frv/mb93090-mb00/pci-dma.c
deleted file mode 100644
index 4f8d8bcd..00000000
--- a/ANDROID_3.4.5/arch/frv/mb93090-mb00/pci-dma.c
+++ /dev/null
@@ -1,91 +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>
-
-void *dma_alloc_coherent(struct device *hwdev, size_t size, dma_addr_t *dma_handle, gfp_t gfp)
-{
- void *ret;
-
- ret = consistent_alloc(gfp, size, dma_handle);
- if (ret)
- 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)
-{
- consistent_free(vaddr);
-}
-
-EXPORT_SYMBOL(dma_free_coherent);
-
-dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
- enum dma_data_direction direction)
-{
- BUG_ON(direction == DMA_NONE);
-
- frv_cache_wback_inv((unsigned long) ptr, (unsigned long) ptr + size);
-
- return virt_to_bus(ptr);
-}
-
-EXPORT_SYMBOL(dma_map_single);
-
-int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
- enum dma_data_direction direction)
-{
- unsigned long dampr2;
- void *vaddr;
- int i;
-
- BUG_ON(direction == DMA_NONE);
-
- dampr2 = __get_DAMPR(2);
-
- for (i = 0; i < nents; i++) {
- vaddr = kmap_atomic_primary(sg_page(&sg[i]), __KM_CACHE);
-
- frv_dcache_writeback((unsigned long) vaddr,
- (unsigned long) vaddr + PAGE_SIZE);
-
- }
-
- kunmap_atomic_primary(vaddr, __KM_CACHE);
- if (dampr2) {
- __set_DAMPR(2, dampr2);
- __set_IAMPR(2, dampr2);
- }
-
- return nents;
-}
-
-EXPORT_SYMBOL(dma_map_sg);
-
-dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset,
- size_t size, enum dma_data_direction direction)
-{
- BUG_ON(direction == DMA_NONE);
- flush_dcache_page(page);
- return (dma_addr_t) page_to_phys(page) + offset;
-}
-
-EXPORT_SYMBOL(dma_map_page);