1 files changed, 0 insertions, 142 deletions
diff --git a/drivers/staging/rdma/amso1100/c2_alloc.c b/drivers/staging/rdma/amso1100/c2_alloc.c
deleted file mode 100644
index 039872dfabbc..000000000000
--- a/drivers/staging/rdma/amso1100/c2_alloc.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Copyright (c) 2004 Topspin Communications.  All rights reserved.
- * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses.  You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- *     Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *      - Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *
- *      - Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include <linux/errno.h>
-#include <linux/bitmap.h>
-
-#include "c2.h"
-
-static int c2_alloc_mqsp_chunk(struct c2_dev *c2dev, gfp_t gfp_mask,
-			       struct sp_chunk **head)
-{
-	int i;
-	struct sp_chunk *new_head;
-	dma_addr_t dma_addr;
-
-	new_head = dma_alloc_coherent(&c2dev->pcidev->dev, PAGE_SIZE,
-				      &dma_addr, gfp_mask);
-	if (new_head == NULL)
-		return -ENOMEM;
-
-	new_head->dma_addr = dma_addr;
-	dma_unmap_addr_set(new_head, mapping, new_head->dma_addr);
-
-	new_head->next = NULL;
-	new_head->head = 0;
-
-	/* build list where each index is the next free slot */
-	for (i = 0;
-	     i < (PAGE_SIZE - sizeof(struct sp_chunk) -
-		  sizeof(u16)) / sizeof(u16) - 1;
-	     i++) {
-		new_head->shared_ptr[i] = i + 1;
-	}
-	/* terminate list */
-	new_head->shared_ptr[i] = 0xFFFF;
-
-	*head = new_head;
-	return 0;
-}
-
-int c2_init_mqsp_pool(struct c2_dev *c2dev, gfp_t gfp_mask,
-		      struct sp_chunk **root)
-{
-	return c2_alloc_mqsp_chunk(c2dev, gfp_mask, root);
-}
-
-void c2_free_mqsp_pool(struct c2_dev *c2dev, struct sp_chunk *root)
-{
-	struct sp_chunk *next;
-
-	while (root) {
-		next = root->next;
-		dma_free_coherent(&c2dev->pcidev->dev, PAGE_SIZE, root,
-				  dma_unmap_addr(root, mapping));
-		root = next;
-	}
-}
-
-__be16 *c2_alloc_mqsp(struct c2_dev *c2dev, struct sp_chunk *head,
-		      dma_addr_t *dma_addr, gfp_t gfp_mask)
-{
-	u16 mqsp;
-
-	while (head) {
-		mqsp = head->head;
-		if (mqsp != 0xFFFF) {
-			head->head = head->shared_ptr[mqsp];
-			break;
-		} else if (head->next == NULL) {
-			if (c2_alloc_mqsp_chunk(c2dev, gfp_mask, &head->next) ==
-			    0) {
-				head = head->next;
-				mqsp = head->head;
-				head->head = head->shared_ptr[mqsp];
-				break;
-			} else
-				return NULL;
-		} else
-			head = head->next;
-	}
-	if (head) {
-		*dma_addr = head->dma_addr +
-			    ((unsigned long) &(head->shared_ptr[mqsp]) -
-			     (unsigned long) head);
-		pr_debug("%s addr %p dma_addr %llx\n", __func__,
-			 &(head->shared_ptr[mqsp]), (unsigned long long) *dma_addr);
-		return (__force __be16 *) &(head->shared_ptr[mqsp]);
-	}
-	return NULL;
-}
-
-void c2_free_mqsp(__be16 *mqsp)
-{
-	struct sp_chunk *head;
-	u16 idx;
-
-	/* The chunk containing this ptr begins at the page boundary */
-	head = (struct sp_chunk *) ((unsigned long) mqsp & PAGE_MASK);
-
-	/* Link head to new mqsp */
-	*mqsp = (__force __be16) head->head;
-
-	/* Compute the shared_ptr index */
-	idx = (offset_in_page(mqsp)) >> 1;
-	idx -= (unsigned long) &(((struct sp_chunk *) 0)->shared_ptr[0]) >> 1;
-
-	/* Point this index at the head */
-	head->shared_ptr[idx] = head->head;
-
-	/* Point head at this index */
-	head->head = idx;
-}