RDMA/rxe: Remove unused rxe_mem_map_pages

This function is not in use - delete it.

Fixes: 8700e3e7 ("Soft RoCE driver")
Link: https://lore.kernel.org/r/20200622100731.27359-1-kamalheib1@gmail.comSigned-off-by: Kamal Heib <kamalheib1@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/sw/rxe/rxe_loc.h

@@ -132,9 +132,6 @@ struct rxe_mem *lookup_mem(struct rxe_pd *pd, int access, u32 key,
 
 int mem_check_range(struct rxe_mem *mem, u64 iova, size_t length);
 
-int rxe_mem_map_pages(struct rxe_dev *rxe, struct rxe_mem *mem,
-		      u64 *page, int num_pages, u64 iova);
-
 void rxe_mem_cleanup(struct rxe_pool_entry *arg);
 
 int advance_dma_data(struct rxe_dma_info *dma, unsigned int length);

drivers/infiniband/sw/rxe/rxe_mr.c

@@ -587,47 +587,3 @@ struct rxe_mem *lookup_mem(struct rxe_pd *pd, int access, u32 key,
 
 	return mem;
 }
-
-int rxe_mem_map_pages(struct rxe_dev *rxe, struct rxe_mem *mem,
-		      u64 *page, int num_pages, u64 iova)
-{
-	int i;
-	int num_buf;
-	int err;
-	struct rxe_map **map;
-	struct rxe_phys_buf *buf;
-	int page_size;
-
-	if (num_pages > mem->max_buf) {
-		err = -EINVAL;
-		goto err1;
-	}
-
-	num_buf		= 0;
-	page_size	= 1 << mem->page_shift;
-	map		= mem->map;
-	buf		= map[0]->buf;
-
-	for (i = 0; i < num_pages; i++) {
-		buf->addr = *page++;
-		buf->size = page_size;
-		buf++;
-		num_buf++;
-
-		if (num_buf == RXE_BUF_PER_MAP) {
-			map++;
-			buf = map[0]->buf;
-			num_buf = 0;
-		}
-	}
-
-	mem->iova	= iova;
-	mem->va		= iova;
-	mem->length	= num_pages << mem->page_shift;
-	mem->state	= RXE_MEM_STATE_VALID;
-
-	return 0;
-
-err1:
-	return err;
-}