Merge tag 'v3.15' into next

Linux 3.15

1 files changed, 16 insertions, 28 deletions

diff --git a/drivers/misc/genwqe/card_dev.c b/drivers/misc/genwqe/card_dev.c
index 2c2c9cc7523..1d2f163a190 100644
--- a/drivers/misc/genwqe/card_dev.c
+++ b/drivers/misc/genwqe/card_dev.c
@@ -531,7 +531,9 @@ static int do_flash_update(struct genwqe_file *cfile,
 	case '1':
 		cmdopts = 0x1C;
 		break;		/* download/erase_first/part_1 */
-	case 'v':		/* cmdopts = 0x0c (VPD) */
+	case 'v':
+		cmdopts = 0x0C;
+		break;		/* download/erase_first/vpd */
 	default:
 		return -EINVAL;
 	}
@@ -665,6 +667,8 @@ static int do_flash_read(struct genwqe_file *cfile,
 		cmdopts = 0x1A;
 		break;		/* upload/part_1 */
 	case 'v':
+		cmdopts = 0x0A;
+		break;		/* upload/vpd */
 	default:
 		return -EINVAL;
 	}
@@ -836,15 +840,8 @@ static int ddcb_cmd_cleanup(struct genwqe_file *cfile, struct ddcb_requ *req)
 			__genwqe_del_mapping(cfile, dma_map);
 			genwqe_user_vunmap(cd, dma_map, req);
 		}
-		if (req->sgl[i] != NULL) {
-			genwqe_free_sgl(cd, req->sgl[i],
-				       req->sgl_dma_addr[i],
-				       req->sgl_size[i]);
-			req->sgl[i] = NULL;
-			req->sgl_dma_addr[i] = 0x0;
-			req->sgl_size[i] = 0;
-		}
-
+		if (req->sgls[i].sgl != NULL)
+			genwqe_free_sync_sgl(cd, &req->sgls[i]);
 	}
 	return 0;
 }
@@ -913,7 +910,7 @@ static int ddcb_cmd_fixups(struct genwqe_file *cfile, struct ddcb_requ *req)
 
 		case ATS_TYPE_SGL_RDWR:
 		case ATS_TYPE_SGL_RD: {
-			int page_offs, nr_pages, offs;
+			int page_offs;
 
 			u_addr = be64_to_cpu(*((__be64 *)
 					       &cmd->asiv[asiv_offs]));
@@ -951,27 +948,18 @@ static int ddcb_cmd_fixups(struct genwqe_file *cfile, struct ddcb_requ *req)
 				page_offs = 0;
 			}
 
-			offs = offset_in_page(u_addr);
-			nr_pages = DIV_ROUND_UP(offs + u_size, PAGE_SIZE);
-
 			/* create genwqe style scatter gather list */
-			req->sgl[i] = genwqe_alloc_sgl(cd, m->nr_pages,
-						      &req->sgl_dma_addr[i],
-						      &req->sgl_size[i]);
-			if (req->sgl[i] == NULL) {
-				rc = -ENOMEM;
+			rc = genwqe_alloc_sync_sgl(cd, &req->sgls[i],
+						   (void __user *)u_addr,
+						   u_size);
+			if (rc != 0)
 				goto err_out;
-			}
-			genwqe_setup_sgl(cd, offs, u_size,
-					req->sgl[i],
-					req->sgl_dma_addr[i],
-					req->sgl_size[i],
-					m->dma_list,
-					page_offs,
-					nr_pages);
+
+			genwqe_setup_sgl(cd, &req->sgls[i],
+					 &m->dma_list[page_offs]);
 
 			*((__be64 *)&cmd->asiv[asiv_offs]) =
-				cpu_to_be64(req->sgl_dma_addr[i]);
+				cpu_to_be64(req->sgls[i].sgl_dma_addr);
 
 			break;
 		}