--- /dev/null
+--- a/src/mps/drv_mps_vmmc_common.c
++++ b/src/mps/drv_mps_vmmc_common.c
+@@ -117,8 +117,8 @@ IFX_void_t ifx_mps_mbx_event_upstream (I
+ #endif /* CONFIG_MPS_EVENT_MBX */
+ IFX_void_t *ifx_mps_fastbuf_malloc (IFX_size_t size, IFX_int32_t priority);
+ IFX_void_t ifx_mps_fastbuf_free (const IFX_void_t * ptr);
+-IFX_int32_t ifx_mps_fastbuf_init (IFX_void_t);
+-IFX_int32_t ifx_mps_fastbuf_close (IFX_void_t);
++IFX_return_t ifx_mps_fastbuf_init (IFX_void_t);
++IFX_return_t ifx_mps_fastbuf_close (IFX_void_t);
+ IFX_uint32_t ifx_mps_reset_structures (mps_comm_dev * pDev);
+ IFX_boolean_t ifx_mps_ext_bufman (IFX_void_t);
+ extern IFX_uint32_t danube_get_cpu_ver (IFX_void_t);
+--- a/src/mps/drv_mps_vmmc_device.h
++++ b/src/mps/drv_mps_vmmc_device.h
+@@ -216,8 +216,8 @@ typedef struct /**< mps buffer monitorin
+ mps_buffer_state_e buf_state;
+ IFX_void_t *(*malloc) (IFX_size_t size, IFX_int32_t priority); /**< Buffer alloc function (def. kmalloc) */
+ IFX_void_t (*free) (const IFX_void_t *ptr); /**< Buffer free function (def. kfree) */
+- IFX_int32_t (*init) (IFX_void_t); /** Manager init function */
+- IFX_int32_t (*close) (IFX_void_t); /** Manager shutdown function */
++ IFX_return_t (*init) (IFX_void_t); /** Manager init function */
++ IFX_return_t (*close) (IFX_void_t); /** Manager shutdown function */
+ } mps_buf_mng_t;
+
+ typedef IFX_uint32_t *mem_seg_t[MPS_MAX_PROVISION_SEGMENTS_PER_MSG];