RDMA/rxe: Remove unused 'iova' parameter from rxe_mr_init_user

This one is not needed since commit 954afc5a ("RDMA/rxe:
Use members of generic struct in rxe_mr").
Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev>
Link: https://lore.kernel.org/r/20240202124144.16033-1-guoqing.jiang@linux.devReviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Signed-off-by: Leon Romanovsky <leon@kernel.org>

drivers/infiniband/sw/rxe/rxe_loc.h

@@ -59,7 +59,7 @@ int rxe_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
 /* rxe_mr.c */
 u8 rxe_get_next_key(u32 last_key);
 void rxe_mr_init_dma(int access, struct rxe_mr *mr);
-int rxe_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length, u64 iova,
+int rxe_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length,
 		     int access, struct rxe_mr *mr);
 int rxe_mr_init_fast(int max_pages, struct rxe_mr *mr);
 int rxe_flush_pmem_iova(struct rxe_mr *mr, u64 iova, unsigned int length);

drivers/infiniband/sw/rxe/rxe_mr.c

@@ -126,7 +126,7 @@ static int rxe_mr_fill_pages_from_sgt(struct rxe_mr *mr, struct sg_table *sgt)
 	return xas_error(&xas);
 }
 
-int rxe_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length, u64 iova,
+int rxe_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length,
 		     int access, struct rxe_mr *mr)
 {
 	struct ib_umem *umem;

drivers/infiniband/sw/rxe/rxe_verbs.c

@@ -1278,7 +1278,7 @@ static struct ib_mr *rxe_reg_user_mr(struct ib_pd *ibpd, u64 start,
 	mr->ibmr.pd = ibpd;
 	mr->ibmr.device = ibpd->device;
 
-	err = rxe_mr_init_user(rxe, start, length, iova, access, mr);
+	err = rxe_mr_init_user(rxe, start, length, access, mr);
 	if (err) {
 		rxe_dbg_mr(mr, "reg_user_mr failed, err = %d\n", err);
 		goto err_cleanup;