aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ubicom32/files/arch/ubicom32/kernel/dma.c
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/kernel/dma.c')
-rw-r--r--target/linux/ubicom32/files/arch/ubicom32/kernel/dma.c60
1 files changed, 0 insertions, 60 deletions
diff --git a/target/linux/ubicom32/files/arch/ubicom32/kernel/dma.c b/target/linux/ubicom32/files/arch/ubicom32/kernel/dma.c
deleted file mode 100644
index f61810532a..0000000000
--- a/target/linux/ubicom32/files/arch/ubicom32/kernel/dma.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * arch/ubicom32/kernel/dma.c
- * Ubicom32 architecture dynamic DMA mapping support.
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port 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.
- *
- * The Ubicom32 Linux Kernel Port is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Ubicom32 Linux Kernel Port. If not,
- * see <http://www.gnu.org/licenses/>.
- *
- * Ubicom32 implementation derived from (with many thanks):
- * arch/m68knommu
- * arch/blackfin
- * arch/parisc
- *
- * We never have any address translations to worry about, so this
- * is just alloc/free.
- */
-
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/device.h>
-#include <linux/io.h>
-
-void *dma_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, int gfp)
-{
- void *ret;
- /* ignore region specifiers */
- gfp &= ~(__GFP_DMA | __GFP_HIGHMEM);
-
- if (dev == NULL || (*dev->dma_mask < 0xffffffff))
- gfp |= GFP_DMA;
- ret = (void *)__get_free_pages(gfp, get_order(size));
-
- if (ret != NULL) {
- memset(ret, 0, size);
- *dma_handle = virt_to_phys(ret);
- }
- return ret;
-}
-
-void dma_free_coherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_handle)
-{
- free_pages((unsigned long)vaddr, get_order(size));
-}