fix(zynqmp): resolve misra R15.6 warnings

MISRA Violation: MISRA-C:2012 R.15.6
- The body of an iteration-statement or a selection-statement shall be
  a compound statement.

Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@xilinx.com>
Change-Id: I0fc8eeac0e592f00297a1ac42a1ba3df1144733b
diff --git a/plat/xilinx/zynqmp/pm_service/pm_api_clock.c b/plat/xilinx/zynqmp/pm_service/pm_api_clock.c
index 4109830..961dbb2 100644
--- a/plat/xilinx/zynqmp/pm_service/pm_api_clock.c
+++ b/plat/xilinx/zynqmp/pm_service/pm_api_clock.c
@@ -2446,16 +2446,17 @@
  */
 void pm_api_clock_get_name(unsigned int clock_id, char *name)
 {
-	if (clock_id == CLK_MAX)
+	if (clock_id == CLK_MAX) {
 		memcpy(name, END_OF_CLK, sizeof(END_OF_CLK) > CLK_NAME_LEN ?
 					 CLK_NAME_LEN : sizeof(END_OF_CLK));
-	else if (!pm_clock_valid(clock_id))
+	} else if (!pm_clock_valid(clock_id)) {
 		memset(name, 0, CLK_NAME_LEN);
-	else if (clock_id < CLK_MAX_OUTPUT_CLK)
+	} else if (clock_id < CLK_MAX_OUTPUT_CLK) {
 		memcpy(name, clocks[clock_id].name, CLK_NAME_LEN);
-	else
+	} else {
 		memcpy(name, ext_clocks[clock_id - CLK_MAX_OUTPUT_CLK].name,
 		       CLK_NAME_LEN);
+	}
 }
 
 /**
@@ -2480,24 +2481,28 @@
 	unsigned int i;
 	uint16_t typeflags;
 
-	if (!pm_clock_valid(clock_id))
+	if (!pm_clock_valid(clock_id)) {
 		return PM_RET_ERROR_ARGS;
+	}
 
-	if (pm_clock_type(clock_id) != CLK_TYPE_OUTPUT)
+	if (pm_clock_type(clock_id) != CLK_TYPE_OUTPUT) {
 		return PM_RET_ERROR_NOTSUPPORTED;
-
+	}
 
 	memset(topology, 0, CLK_TOPOLOGY_PAYLOAD_LEN);
 	clock_nodes = *clocks[clock_id].nodes;
 	num_nodes = clocks[clock_id].num_nodes;
 
 	/* Skip parent till index */
-	if (index >= num_nodes)
+	if (index >= num_nodes) {
 		return PM_RET_SUCCESS;
+	}
 
 	for (i = 0; i < 3U; i++) {
-		if ((index + i) == num_nodes)
+		if ((index + i) == num_nodes) {
 			break;
+		}
+
 		topology[i] = clock_nodes[index + i].type;
 		topology[i] |= clock_nodes[index + i].clkflags <<
 					CLK_CLKFLAGS_SHIFT;
@@ -2531,11 +2536,13 @@
 	uint8_t num_nodes;
 	unsigned int type, i;
 
-	if (!pm_clock_valid(clock_id))
+	if (!pm_clock_valid(clock_id)) {
 		return PM_RET_ERROR_ARGS;
+	}
 
-	if (pm_clock_type(clock_id) != CLK_TYPE_OUTPUT)
+	if (pm_clock_type(clock_id) != CLK_TYPE_OUTPUT) {
 		return PM_RET_ERROR_NOTSUPPORTED;
+	}
 
 	clock_nodes = *clocks[clock_id].nodes;
 	num_nodes = clocks[clock_id].num_nodes;
@@ -2550,8 +2557,9 @@
 	}
 
 	/* Clock is not fixed clock */
-	if (i == num_nodes)
+	if (i == num_nodes) {
 		return PM_RET_ERROR_ARGS;
+	}
 
 	return PM_RET_SUCCESS;
 }
@@ -2580,27 +2588,33 @@
 	unsigned int i;
 	int32_t *clk_parents;
 
-	if (!pm_clock_valid(clock_id))
+	if (!pm_clock_valid(clock_id)) {
 		return PM_RET_ERROR_ARGS;
+	}
 
-	if (pm_clock_type(clock_id) != CLK_TYPE_OUTPUT)
+	if (pm_clock_type(clock_id) != CLK_TYPE_OUTPUT) {
 		return PM_RET_ERROR_NOTSUPPORTED;
+	}
 
 	clk_parents = *clocks[clock_id].parents;
-	if (clk_parents == NULL)
+	if (clk_parents == NULL) {
 		return PM_RET_ERROR_ARGS;
+	}
 
 	memset(parents, 0, CLK_PARENTS_PAYLOAD_LEN);
 
 	/* Skip parent till index */
-	for (i = 0; i < index; i++)
-		if (clk_parents[i] == CLK_NA_PARENT)
+	for (i = 0; i < index; i++) {
+		if (clk_parents[i] == CLK_NA_PARENT) {
 			return PM_RET_SUCCESS;
+		}
+	}
 
 	for (i = 0; i < 3; i++) {
 		parents[i] = clk_parents[index + i];
-		if (clk_parents[index + i] == CLK_NA_PARENT)
+		if (clk_parents[index + i] == CLK_NA_PARENT) {
 			break;
+		}
 	}
 
 	return PM_RET_SUCCESS;
@@ -2619,8 +2633,9 @@
 enum pm_ret_status pm_api_clock_get_attributes(unsigned int clock_id,
 					       uint32_t *attr)
 {
-	if (clock_id >= CLK_MAX)
+	if (clock_id >= CLK_MAX) {
 		return PM_RET_ERROR_ARGS;
+	}
 
 	/* Clock valid bit */
 	*attr = pm_clock_valid(clock_id);
@@ -2648,8 +2663,9 @@
 	uint32_t i;
 	struct pm_clock_node *nodes;
 
-	if (clock_id >= CLK_MAX_OUTPUT_CLK)
+	if (clock_id >= CLK_MAX_OUTPUT_CLK) {
 		return PM_RET_ERROR_ARGS;
+	}
 
 	nodes = *clocks[clock_id].nodes;
 	for (i = 0; i < clocks[clock_id].num_nodes; i++) {
@@ -2738,8 +2754,9 @@
 	uint32_t i;
 
 	for (i = 0; i < ARRAY_SIZE(pm_plls); i++) {
-		if (pm_plls[i].cid == clock_id)
+		if (pm_plls[i].cid == clock_id) {
 			return &pm_plls[i];
+		}
 	}
 
 	return NULL;
@@ -2798,12 +2815,14 @@
  */
 enum pm_ret_status pm_clock_pll_enable(struct pm_pll *pll)
 {
-	if (!pll)
+	if (!pll) {
 		return PM_RET_ERROR_ARGS;
+	}
 
 	/* Set the PLL mode according to the buffered mode value */
-	if (pll->mode == PLL_FRAC_MODE)
+	if (pll->mode == PLL_FRAC_MODE) {
 		return pm_pll_set_mode(pll->nid, PM_PLL_MODE_FRACTIONAL);
+	}
 
 	return pm_pll_set_mode(pll->nid, PM_PLL_MODE_INTEGER);
 }
@@ -2819,8 +2838,9 @@
  */
 enum pm_ret_status pm_clock_pll_disable(struct pm_pll *pll)
 {
-	if (!pll)
+	if (!pll) {
 		return PM_RET_ERROR_ARGS;
+	}
 
 	return pm_pll_set_mode(pll->nid, PM_PLL_MODE_RESET);
 }
@@ -2842,17 +2862,20 @@
 	enum pm_ret_status status;
 	enum pm_pll_mode mode;
 
-	if (!pll || !state)
+	if (!pll || !state) {
 		return PM_RET_ERROR_ARGS;
+	}
 
 	status = pm_pll_get_mode(pll->nid, &mode);
-	if (status != PM_RET_SUCCESS)
+	if (status != PM_RET_SUCCESS) {
 		return status;
+	}
 
-	if (mode == PM_PLL_MODE_RESET)
+	if (mode == PM_PLL_MODE_RESET) {
 		*state = 0;
-	else
+	} else {
 		*state = 1;
+	}
 
 	return PM_RET_SUCCESS;
 }
@@ -2873,17 +2896,21 @@
 					   enum clock_id clock_id,
 					   unsigned int parent_index)
 {
-	if (!pll)
+	if (!pll) {
 		return PM_RET_ERROR_ARGS;
-	if (pll->pre_src == clock_id)
+	}
+	if (pll->pre_src == clock_id) {
 		return pm_pll_set_parameter(pll->nid, PM_PLL_PARAM_PRE_SRC,
 					    parent_index);
-	if (pll->post_src == clock_id)
+	}
+	if (pll->post_src == clock_id) {
 		return pm_pll_set_parameter(pll->nid, PM_PLL_PARAM_POST_SRC,
 					    parent_index);
-	if (pll->div2 == clock_id)
+	}
+	if (pll->div2 == clock_id) {
 		return pm_pll_set_parameter(pll->nid, PM_PLL_PARAM_DIV2,
 					    parent_index);
+	}
 
 	return PM_RET_ERROR_ARGS;
 }
@@ -2902,17 +2929,21 @@
 					   enum clock_id clock_id,
 					   unsigned int *parent_index)
 {
-	if (!pll)
+	if (!pll) {
 		return PM_RET_ERROR_ARGS;
-	if (pll->pre_src == clock_id)
+	}
+	if (pll->pre_src == clock_id) {
 		return pm_pll_get_parameter(pll->nid, PM_PLL_PARAM_PRE_SRC,
 					    parent_index);
-	if (pll->post_src == clock_id)
+	}
+	if (pll->post_src == clock_id) {
 		return pm_pll_get_parameter(pll->nid, PM_PLL_PARAM_POST_SRC,
 					    parent_index);
-	if (pll->div2 == clock_id)
+	}
+	if (pll->div2 == clock_id) {
 		return pm_pll_get_parameter(pll->nid, PM_PLL_PARAM_DIV2,
 					    parent_index);
+	}
 	if (pll->bypass == clock_id) {
 		*parent_index = 0;
 		return PM_RET_SUCCESS;
@@ -2935,8 +2966,9 @@
 {
 	struct pm_pll *pll = pm_clock_get_pll(clock_id);
 
-	if (!pll || (mode != PLL_FRAC_MODE && mode != PLL_INT_MODE))
+	if (!pll || (mode != PLL_FRAC_MODE && mode != PLL_INT_MODE)) {
 		return PM_RET_ERROR_ARGS;
+	}
 	pll->mode = mode;
 
 	return PM_RET_SUCCESS;
@@ -2956,8 +2988,9 @@
 {
 	struct pm_pll *pll = pm_clock_get_pll(clock_id);
 
-	if (!pll || !mode)
+	if (!pll || !mode) {
 		return PM_RET_ERROR_ARGS;
+	}
 	*mode = pll->mode;
 
 	return PM_RET_SUCCESS;
@@ -2971,11 +3004,13 @@
  */
 enum pm_ret_status pm_clock_id_is_valid(unsigned int clock_id)
 {
-	if (!pm_clock_valid(clock_id))
+	if (!pm_clock_valid(clock_id)) {
 		return PM_RET_ERROR_ARGS;
+	}
 
-	if (pm_clock_type(clock_id) != CLK_TYPE_OUTPUT)
+	if (pm_clock_type(clock_id) != CLK_TYPE_OUTPUT) {
 		return PM_RET_ERROR_NOTSUPPORTED;
+	}
 
 	return PM_RET_SUCCESS;
 }
@@ -2992,8 +3027,9 @@
 	uint32_t i;
 	struct pm_clock_node *nodes;
 
-	if (clock_id >= CLK_MAX_OUTPUT_CLK)
+	if (clock_id >= CLK_MAX_OUTPUT_CLK) {
 		return 0;
+	}
 
 	nodes = *clocks[clock_id].nodes;
 	for (i = 0; i < clocks[clock_id].num_nodes; i++) {