diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_sys.c b/plat/xilinx/zynqmp/pm_service/pm_api_sys.c
index 9a53408..62260bc 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_sys.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_sys.c
@@ -209,7 +209,7 @@
 	/* TODO: allow passing the node ID of the affected CPU */
 	PM_PACK_PAYLOAD3(payload, PM_ABORT_SUSPEND, reason,
 			 primary_proc->node_id);
-	return pm_ipi_send(primary_proc, payload);
+	return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
 }
 
 /**
@@ -228,7 +228,7 @@
 
 	PM_PACK_PAYLOAD4(payload, PM_SET_WAKEUP_SOURCE, target, wkup_node,
 			 enable);
-	return pm_ipi_send(primary_proc, payload);
+	return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
 }
 
 /**
@@ -316,7 +316,7 @@
 	uint32_t payload[PAYLOAD_ARG_CNT];
 
 	PM_PACK_PAYLOAD2(payload, PM_RELEASE_NODE, nid);
-	return pm_ipi_send(primary_proc, payload);
+	return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
 }
 
 /**
@@ -332,7 +332,7 @@
 	uint32_t payload[PAYLOAD_ARG_CNT];
 
 	PM_PACK_PAYLOAD3(payload, PM_SET_MAX_LATENCY, nid, latency);
-	return pm_ipi_send(primary_proc, payload);
+	return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
 }
 
 /* Miscellaneous API functions */
@@ -461,7 +461,7 @@
 
 	/* Send request to the PMU */
 	PM_PACK_PAYLOAD3(payload, PM_RESET_ASSERT, reset, assert);
-	return pm_ipi_send(primary_proc, payload);
+	return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
 }
 
 /**