Index: uspace/drv/platform/amdm37x/main.c
===================================================================
--- uspace/drv/platform/amdm37x/main.c	(revision 1569a9b70f7219a7103788305e4baf473da24376)
+++ uspace/drv/platform/amdm37x/main.c	(revision 13dc048ab1b8dfe020d96582cf64de71305f3834)
@@ -209,5 +209,5 @@
  *            (both of HW and pseudo devices).
  *
- * @return Zero on success, negative error number otherwise.
+ * @return Zero on success, error number otherwise.
  *
  */
Index: uspace/drv/platform/mac/mac.c
===================================================================
--- uspace/drv/platform/mac/mac.c	(revision 1569a9b70f7219a7103788305e4baf473da24376)
+++ uspace/drv/platform/mac/mac.c	(revision 13dc048ab1b8dfe020d96582cf64de71305f3834)
@@ -173,5 +173,5 @@
  *            (both of HW and pseudo devices).
  *
- * @return Zero on success, negative error number otherwise.
+ * @return Zero on success, error number otherwise.
  *
  */
Index: uspace/drv/platform/malta/malta.c
===================================================================
--- uspace/drv/platform/malta/malta.c	(revision 1569a9b70f7219a7103788305e4baf473da24376)
+++ uspace/drv/platform/malta/malta.c	(revision 13dc048ab1b8dfe020d96582cf64de71305f3834)
@@ -221,5 +221,5 @@
  * @param dev		The device which is root of the whole device tree (both
  *			of HW and pseudo devices).
- * @return		Zero on success, negative error number otherwise.
+ * @return		Zero on success, error number otherwise.
  */
 static int malta_dev_add(ddf_dev_t *dev)
Index: uspace/drv/platform/pc/pc.c
===================================================================
--- uspace/drv/platform/pc/pc.c	(revision 1569a9b70f7219a7103788305e4baf473da24376)
+++ uspace/drv/platform/pc/pc.c	(revision 13dc048ab1b8dfe020d96582cf64de71305f3834)
@@ -203,5 +203,5 @@
  * @param dev		The device which is root of the whole device tree (both
  *			of HW and pseudo devices).
- * @return		Zero on success, negative error number otherwise.
+ * @return		Zero on success, error number otherwise.
  */
 static int pc_dev_add(ddf_dev_t *dev)
Index: uspace/drv/platform/sun4u/sun4u.c
===================================================================
--- uspace/drv/platform/sun4u/sun4u.c	(revision 1569a9b70f7219a7103788305e4baf473da24376)
+++ uspace/drv/platform/sun4u/sun4u.c	(revision 13dc048ab1b8dfe020d96582cf64de71305f3834)
@@ -240,5 +240,5 @@
  * @param dev		The device which is root of the whole device tree (both
  *			of HW and pseudo devices).
- * @return		Zero on success, negative error number otherwise.
+ * @return		Zero on success, error number otherwise.
  */
 static int sun4u_dev_add(ddf_dev_t *dev)