fix(zynqmp): ignore the unused function return value

This corrects the MISRA violation C2012-17.7:
The value returned by a function having non-void return type shall
be used.
Typecast the function call to void to discard the return value.

Change-Id: I097863843ee125e51c709fa964f0524dc984cebe
Signed-off-by: Nithin G <nithing@amd.com>
Signed-off-by: Maheedhar Bollapalli <maheedharsai.bollapalli@amd.com>
diff --git a/plat/xilinx/zynqmp/plat_psci.c b/plat/xilinx/zynqmp/plat_psci.c
index 2bab7f0..58db2e4 100644
--- a/plat/xilinx/zynqmp/plat_psci.c
+++ b/plat/xilinx/zynqmp/plat_psci.c
@@ -58,7 +58,7 @@
 	pm_client_wakeup(proc);
 
 	/* Send request to PMU to wake up selected APU CPU core */
-	pm_req_wakeup(proc->node_id, 1, zynqmp_sec_entry, REQ_ACK_BLOCKING);
+	(void)pm_req_wakeup(proc->node_id, 1, zynqmp_sec_entry, REQ_ACK_BLOCKING);
 
 	return PSCI_E_SUCCESS;
 }
@@ -88,7 +88,7 @@
 	 * invoking CPU_on function, during which resume address will
 	 * be set.
 	 */
-	pm_self_suspend(proc->node_id, MAX_LATENCY, PM_STATE_CPU_IDLE, 0);
+	(void)pm_self_suspend(proc->node_id, MAX_LATENCY, PM_STATE_CPU_IDLE, 0);
 }
 
 static void zynqmp_pwr_domain_suspend(const psci_power_state_t *target_state)
@@ -109,7 +109,7 @@
 		PM_STATE_SUSPEND_TO_RAM : PM_STATE_CPU_IDLE;
 
 	/* Send request to PMU to suspend this core */
-	pm_self_suspend(proc->node_id, MAX_LATENCY, state, zynqmp_sec_entry);
+	(void)pm_self_suspend(proc->node_id, MAX_LATENCY, state, zynqmp_sec_entry);
 
 	/* APU is to be turned off */
 	if (target_state->pwr_domain_state[1] > PLAT_MAX_RET_STATE) {
@@ -166,7 +166,7 @@
 	plat_arm_interconnect_exit_coherency();
 
 	/* Send the power down request to the PMU */
-	pm_system_shutdown(PMF_SHUTDOWN_TYPE_SHUTDOWN,
+	(void)pm_system_shutdown((uint32_t)PMF_SHUTDOWN_TYPE_SHUTDOWN,
 			   pm_get_shutdown_scope());
 
 	while (true) {
@@ -180,7 +180,7 @@
 	plat_arm_interconnect_exit_coherency();
 
 	/* Send the system reset request to the PMU */
-	pm_system_shutdown(PMF_SHUTDOWN_TYPE_RESET,
+	(void)pm_system_shutdown((uint32_t)PMF_SHUTDOWN_TYPE_RESET,
 			   pm_get_shutdown_scope());
 
 	while (true) {
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_clock.c b/plat/xilinx/zynqmp/pm_service/pm_api_clock.c
index 2291957..91adb07 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_clock.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_clock.c
@@ -2456,14 +2456,14 @@
 void pm_api_clock_get_name(uint32_t clock_id, char *name)
 {
 	if (clock_id == CLK_MAX) {
-		memcpy(name, END_OF_CLK, ((sizeof(END_OF_CLK) > CLK_NAME_LEN) ?
+		(void)memcpy(name, END_OF_CLK, ((sizeof(END_OF_CLK) > CLK_NAME_LEN) ?
 					 CLK_NAME_LEN : sizeof(END_OF_CLK)));
 	} else if ((clock_id > CLK_MAX) || (!pm_clock_valid(clock_id))) {
-		memset(name, 0, CLK_NAME_LEN);
+		(void)memset(name, 0, CLK_NAME_LEN);
 	} else if (clock_id < CLK_MAX_OUTPUT_CLK) {
-		memcpy(name, clocks[clock_id].name, CLK_NAME_LEN);
+		(void)memcpy(name, clocks[clock_id].name, CLK_NAME_LEN);
 	} else {
-		memcpy(name, ext_clocks[clock_id - CLK_MAX_OUTPUT_CLK].name,
+		(void)memcpy(name, ext_clocks[clock_id - CLK_MAX_OUTPUT_CLK].name,
 		       CLK_NAME_LEN);
 	}
 }
@@ -2499,7 +2499,7 @@
 		return PM_RET_ERROR_NOTSUPPORTED;
 	}
 
-	memset(topology, 0, CLK_TOPOLOGY_PAYLOAD_LEN);
+	(void)memset(topology, 0, CLK_TOPOLOGY_PAYLOAD_LEN);
 	clock_nodes = *clocks[clock_id].nodes;
 	num_nodes = clocks[clock_id].num_nodes;
 
@@ -2613,7 +2613,7 @@
 		return PM_RET_ERROR_ARGS;
 	}
 
-	memset(parents, 0, CLK_PARENTS_PAYLOAD_LEN);
+	(void)memset(parents, 0, CLK_PARENTS_PAYLOAD_LEN);
 
 	/* Skip parent till index */
 	for (i = 0; i < index; i++) {
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_pinctrl.c b/plat/xilinx/zynqmp/pm_service/pm_api_pinctrl.c
index b34369b..1477e25 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_pinctrl.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_pinctrl.c
@@ -2012,9 +2012,9 @@
 void pm_api_pinctrl_get_function_name(uint32_t fid, char *name)
 {
 	if (fid >= MAX_FUNCTION) {
-		memcpy(name, END_OF_FUNCTION, FUNCTION_NAME_LEN);
+		(void)memcpy(name, END_OF_FUNCTION, FUNCTION_NAME_LEN);
 	} else {
-		memcpy(name, pinctrl_functions[fid].name, FUNCTION_NAME_LEN);
+		(void)memcpy(name, pinctrl_functions[fid].name, FUNCTION_NAME_LEN);
 	}
 }
 
@@ -2049,7 +2049,7 @@
 		return PM_RET_ERROR_ARGS;
 	}
 
-	memset(groups, END_OF_GROUPS, GROUPS_PAYLOAD_LEN);
+	(void)memset(groups, END_OF_GROUPS, GROUPS_PAYLOAD_LEN);
 
 	grps = pinctrl_functions[fid].group_base;
 	end_of_grp_offset = grps + pinctrl_functions[fid].group_size;
@@ -2094,7 +2094,7 @@
 		return PM_RET_ERROR_ARGS;
 	}
 
-	memset(groups, END_OF_GROUPS, GROUPS_PAYLOAD_LEN);
+	(void)memset(groups, END_OF_GROUPS, GROUPS_PAYLOAD_LEN);
 
 	grps = *zynqmp_pin_groups[pin].groups;
 	if (grps == NULL) {