diff --git a/plat/xilinx/zynqmp/plat_psci.c b/plat/xilinx/zynqmp/plat_psci.c
index 526e215..2bab7f0 100644
--- a/plat/xilinx/zynqmp/plat_psci.c
+++ b/plat/xilinx/zynqmp/plat_psci.c
@@ -169,7 +169,7 @@
 	pm_system_shutdown(PMF_SHUTDOWN_TYPE_SHUTDOWN,
 			   pm_get_shutdown_scope());
 
-	while (1) {
+	while (true) {
 		wfi();
 	}
 }
@@ -183,7 +183,7 @@
 	pm_system_shutdown(PMF_SHUTDOWN_TYPE_RESET,
 			   pm_get_shutdown_scope());
 
-	while (1) {
+	while (true) {
 		wfi();
 	}
 }
@@ -204,7 +204,7 @@
 		req_state->pwr_domain_state[MPIDR_AFFLVL0] = PLAT_MAX_OFF_STATE;
 	}
 	/* We expect the 'state id' to be zero */
-	if (psci_get_pstate_id(power_state)) {
+	if (psci_get_pstate_id(power_state) != 0U) {
 		return PSCI_E_INVALID_PARAMS;
 	}
 
diff --git a/plat/xilinx/zynqmp/plat_zynqmp.c b/plat/xilinx/zynqmp/plat_zynqmp.c
index e3a979e..65faa2f 100644
--- a/plat/xilinx/zynqmp/plat_zynqmp.c
+++ b/plat/xilinx/zynqmp/plat_zynqmp.c
@@ -10,7 +10,7 @@
 
 int32_t plat_core_pos_by_mpidr(u_register_t mpidr)
 {
-	if (mpidr & MPIDR_CLUSTER_MASK) {
+	if ((mpidr & MPIDR_CLUSTER_MASK) != 0U) {
 		return -1;
 	}
 
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_clock.c b/plat/xilinx/zynqmp/pm_service/pm_api_clock.c
index ee4f07d..2291957 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_clock.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_clock.c
@@ -2684,8 +2684,8 @@
 	nodes = *clocks[clock_id].nodes;
 	for (i = 0; i < clocks[clock_id].num_nodes; i++) {
 		if (nodes[i].type == div_type) {
-			if (CLK_DIVIDER_POWER_OF_TWO &
-					nodes[i].typeflags) {
+			if ((CLK_DIVIDER_POWER_OF_TWO &
+					nodes[i].typeflags) != 0U) {
 				*max_div = (1U << (BIT(nodes[i].width) - 1U));
 			} else {
 				*max_div = BIT(nodes[i].width) - 1U;
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_ioctl.c b/plat/xilinx/zynqmp/pm_service/pm_api_ioctl.c
index aea607c..0dbfa57 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_ioctl.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_ioctl.c
@@ -62,7 +62,7 @@
 {
 	uint32_t val;
 
-	if (mmio_read_32(CRL_APB_RST_LPD_TOP) & CRL_APB_RPU_AMBA_RESET) {
+	if ((mmio_read_32(CRL_APB_RST_LPD_TOP) & CRL_APB_RPU_AMBA_RESET) != 0U) {
 		return PM_RET_ERROR_ACCESS;
 	}
 
diff --git a/plat/xilinx/zynqmp/pm_service/pm_client.c b/plat/xilinx/zynqmp/pm_service/pm_client.c
index 716ebb6..a517257 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_client.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_client.c
@@ -204,7 +204,7 @@
 			continue;
 		}
 
-		while (reg) {
+		while (reg != 0U) {
 			enum pm_node_id node;
 			uint32_t idx, ret, irq, lowest_set = reg & (-reg);
 
diff --git a/plat/xilinx/zynqmp/pm_service/zynqmp_pm_api_sys.c b/plat/xilinx/zynqmp/pm_service/zynqmp_pm_api_sys.c
index 5456689..079f89e 100644
--- a/plat/xilinx/zynqmp/pm_service/zynqmp_pm_api_sys.c
+++ b/plat/xilinx/zynqmp/pm_service/zynqmp_pm_api_sys.c
@@ -1115,7 +1115,7 @@
 		return status;
 	}
 
-	if (enable) {
+	if (enable != 0U) {
 		api_id = PM_CLOCK_ENABLE;
 	} else {
 		api_id = PM_CLOCK_DISABLE;
@@ -1297,7 +1297,7 @@
 		return status;
 	}
 
-	if (pm_clock_has_div(clock_id, PM_CLOCK_DIV0_ID)) {
+	if ((pm_clock_has_div(clock_id, PM_CLOCK_DIV0_ID)) != 0U) {
 		/* Send request to the PMU to get div0 */
 		PM_PACK_PAYLOAD3(payload, PM_CLOCK_GETDIVIDER, clock_id,
 				 PM_CLOCK_DIV0_ID);
@@ -1308,7 +1308,7 @@
 		*divider = val;
 	}
 
-	if (pm_clock_has_div(clock_id, PM_CLOCK_DIV1_ID)) {
+	if ((pm_clock_has_div(clock_id, PM_CLOCK_DIV1_ID)) != 0U) {
 		/* Send request to the PMU to get div1 */
 		PM_PACK_PAYLOAD3(payload, PM_CLOCK_GETDIVIDER, clock_id,
 				 PM_CLOCK_DIV1_ID);
diff --git a/plat/xilinx/zynqmp/sip_svc_setup.c b/plat/xilinx/zynqmp/sip_svc_setup.c
index f5990ca..1baefb3 100644
--- a/plat/xilinx/zynqmp/sip_svc_setup.c
+++ b/plat/xilinx/zynqmp/sip_svc_setup.c
@@ -81,7 +81,7 @@
 	VERBOSE("SMCID: 0x%08x, x1: 0x%016" PRIx64 ", x2: 0x%016" PRIx64 ", x3: 0x%016" PRIx64 ", x4: 0x%016" PRIx64 "\n",
 		smc_fid, x1, x2, x3, x4);
 
-	if (smc_fid & SIP_FID_MASK) {
+	if ((smc_fid & (uint32_t)SIP_FID_MASK) != 0U) {
 		WARN("SMC out of SiP assinged range: 0x%x\n", smc_fid);
 		SMC_RET1(handle, SMC_UNK);
 	}