1 files changed, 0 insertions, 75 deletions
diff --git a/ANDROID_3.4.5/arch/mn10300/mm/dma-alloc.c b/ANDROID_3.4.5/arch/mn10300/mm/dma-alloc.c
deleted file mode 100644
index 159acb02..00000000
--- a/ANDROID_3.4.5/arch/mn10300/mm/dma-alloc.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/* MN10300 Dynamic DMA mapping support
- *
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- * Derived from: arch/i386/kernel/pci-dma.c
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/pci.h>
-#include <linux/gfp.h>
-#include <asm/io.h>
-
-static unsigned long pci_sram_allocated = 0xbc000000;
-
-void *dma_alloc_coherent(struct device *dev, size_t size,
-			 dma_addr_t *dma_handle, int gfp)
-{
-	unsigned long addr;
-	void *ret;
-
-	pr_debug("dma_alloc_coherent(%s,%zu,%x)\n",
-		 dev ? dev_name(dev) : "?", size, gfp);
-
-	if (0xbe000000 - pci_sram_allocated >= size) {
-		size = (size + 255) & ~255;
-		addr = pci_sram_allocated;
-		pci_sram_allocated += size;
-		ret = (void *) addr;
-		goto done;
-	}
-
-	/* ignore region specifiers */
-	gfp &= ~(__GFP_DMA | __GFP_HIGHMEM);
-
-	if (dev == NULL || dev->coherent_dma_mask < 0xffffffff)
-		gfp |= GFP_DMA;
-
-	addr = __get_free_pages(gfp, get_order(size));
-	if (!addr)
-		return NULL;
-
-	/* map the coherent memory through the uncached memory window */
-	ret = (void *) (addr | 0x20000000);
-
-	/* fill the memory with obvious rubbish */
-	memset((void *) addr, 0xfb, size);
-
-	/* write back and evict all cache lines covering this region */
-	mn10300_dcache_flush_inv_range2(virt_to_phys((void *) addr), PAGE_SIZE);
-
-done:
-	*dma_handle = virt_to_bus((void *) addr);
-	printk("dma_alloc_coherent() = %p [%x]\n", ret, *dma_handle);
-	return ret;
-}
-EXPORT_SYMBOL(dma_alloc_coherent);
-
-void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
-		       dma_addr_t dma_handle)
-{
-	unsigned long addr = (unsigned long) vaddr & ~0x20000000;
-
-	if (addr >= 0x9c000000)
-		return;
-
-	free_pages(addr, get_order(size));
-}
-EXPORT_SYMBOL(dma_free_coherent);