1 files changed, 0 insertions, 109 deletions
diff --git a/crypto/async_tx/async_memset.c b/crypto/async_tx/async_memset.c
deleted file mode 100644
index f5ff3906b03..00000000000
--- a/crypto/async_tx/async_memset.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * memory fill offload engine support
- *
- * Copyright © 2006, Intel Corporation.
- *
- *      Dan Williams <dan.j.williams@intel.com>
- *
- *      with architecture considerations by:
- *      Neil Brown <neilb@suse.de>
- *      Jeff Garzik <jeff@garzik.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope 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
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/mm.h>
-#include <linux/dma-mapping.h>
-#include <linux/async_tx.h>
-
-/**
- * async_memset - attempt to fill memory with a dma engine.
- * @dest: destination page
- * @val: fill value
- * @offset: offset in pages to start transaction
- * @len: length in bytes
- * @flags: ASYNC_TX_ACK, ASYNC_TX_DEP_ACK
- * @depend_tx: memset depends on the result of this transaction
- * @cb_fn: function to call when the memcpy completes
- * @cb_param: parameter to pass to the callback routine
- */
-struct dma_async_tx_descriptor *
-async_memset(struct page *dest, int val, unsigned int offset,
-	size_t len, enum async_tx_flags flags,
-	struct dma_async_tx_descriptor *depend_tx,
-	dma_async_tx_callback cb_fn, void *cb_param)
-{
-	struct dma_chan *chan = async_tx_find_channel(depend_tx, DMA_MEMSET,
-						      &dest, 1, NULL, 0, len);
-	struct dma_device *device = chan ? chan->device : NULL;
-	struct dma_async_tx_descriptor *tx = NULL;
-
-	if (device) {
-		dma_addr_t dma_dest;
-		unsigned long dma_prep_flags = cb_fn ? DMA_PREP_INTERRUPT : 0;
-
-		dma_dest = dma_map_page(device->dev, dest, offset, len,
-					DMA_FROM_DEVICE);
-
-		tx = device->device_prep_dma_memset(chan, dma_dest, val, len,
-						    dma_prep_flags);
-	}
-
-	if (tx) {
-		pr_debug("%s: (async) len: %zu\n", __func__, len);
-		async_tx_submit(chan, tx, flags, depend_tx, cb_fn, cb_param);
-	} else { /* run the memset synchronously */
-		void *dest_buf;
-		pr_debug("%s: (sync) len: %zu\n", __func__, len);
-
-		dest_buf = (void *) (((char *) page_address(dest)) + offset);
-
-		/* wait for any prerequisite operations */
-		if (depend_tx) {
-			/* if ack is already set then we cannot be sure
-			 * we are referring to the correct operation
-			 */
-			BUG_ON(depend_tx->ack);
-			if (dma_wait_for_async_tx(depend_tx) == DMA_ERROR)
-				panic("%s: DMA_ERROR waiting for depend_tx\n",
-					__func__);
-		}
-
-		memset(dest_buf, val, len);
-
-		async_tx_sync_epilog(flags, depend_tx, cb_fn, cb_param);
-	}
-
-	return tx;
-}
-EXPORT_SYMBOL_GPL(async_memset);
-
-static int __init async_memset_init(void)
-{
-	return 0;
-}
-
-static void __exit async_memset_exit(void)
-{
-	do { } while (0);
-}
-
-module_init(async_memset_init);
-module_exit(async_memset_exit);
-
-MODULE_AUTHOR("Intel Corporation");
-MODULE_DESCRIPTION("asynchronous memset api");
-MODULE_LICENSE("GPL");