diff --git a/plat/xilinx/common/pm_service/pm_ipi.c b/plat/xilinx/common/pm_service/pm_ipi.c
index 1d1ba85..12313f2 100644
--- a/plat/xilinx/common/pm_service/pm_ipi.c
+++ b/plat/xilinx/common/pm_service/pm_ipi.c
@@ -30,7 +30,7 @@
  *
  * Called from pm_setup initialization function
  */
-int pm_ipi_init(const struct pm_proc *proc)
+int32_t pm_ipi_init(const struct pm_proc *proc)
 {
 	bakery_lock_init(&pm_secure_lock);
 	ipi_mb_open(proc->ipi->local_ipi_id, proc->ipi->remote_ipi_id);
@@ -131,12 +131,12 @@
  * @return	Returns status, either success or error+reason
  */
 static enum pm_ret_status pm_ipi_buff_read(const struct pm_proc *proc,
-					   unsigned int *value, size_t count)
+					   uint32_t *value, size_t count)
 {
 	size_t i;
 #if IPI_CRC_CHECK
 	size_t j;
-	unsigned int response_payload[PAYLOAD_ARG_CNT];
+	uint32_t response_payload[PAYLOAD_ARG_CNT];
 #endif
 	uintptr_t buffer_base = proc->ipi->buffer_base +
 				IPI_BUFFER_TARGET_REMOTE_OFFSET +
@@ -177,7 +177,7 @@
  *
  * @return	Returns status, either success or error+reason
  */
-void pm_ipi_buff_read_callb(unsigned int *value, size_t count)
+void pm_ipi_buff_read_callb(uint32_t *value, size_t count)
 {
 	size_t i;
 #if IPI_CRC_CHECK
@@ -224,7 +224,7 @@
  */
 enum pm_ret_status pm_ipi_send_sync(const struct pm_proc *proc,
 				    uint32_t payload[PAYLOAD_ARG_CNT],
-				    unsigned int *value, size_t count)
+				    uint32_t *value, size_t count)
 {
 	enum pm_ret_status ret;
 
@@ -255,7 +255,7 @@
 
 uint32_t pm_ipi_irq_status(const struct pm_proc *proc)
 {
-	int ret;
+	int32_t ret;
 
 	ret = ipi_mb_enquire_status(proc->ipi->local_ipi_id,
 				    proc->ipi->remote_ipi_id);