clk: at91: make use of of_clk_parent_fill helper function

Use of_clk_parent_fill to fill in the parent clock names' array.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/at91/clk-main.c

@@ -614,17 +614,12 @@ void __init of_at91sam9x5_clk_main_setup(struct device_node *np,
 	int num_parents;
 	unsigned int irq;
 	const char *name = np->name;
-	int i;
 
 	num_parents = of_clk_get_parent_count(np);
 	if (num_parents <= 0 || num_parents > 2)
 		return;
 
-	for (i = 0; i < num_parents; ++i) {
-		parent_names[i] = of_clk_get_parent_name(np, i);
-		if (!parent_names[i])
-			return;
-	}
+	of_clk_parent_fill(np, parent_names, num_parents);
 
 	of_property_read_string(np, "clock-output-names", &name);
 

drivers/clk/at91/clk-master.c

@@ -222,7 +222,6 @@ of_at91_clk_master_setup(struct device_node *np, struct at91_pmc *pmc,
 {
 	struct clk *clk;
 	int num_parents;
-	int i;
 	unsigned int irq;
 	const char *parent_names[MASTER_SOURCE_MAX];
 	const char *name = np->name;
@@ -232,11 +231,7 @@ of_at91_clk_master_setup(struct device_node *np, struct at91_pmc *pmc,
 	if (num_parents <= 0 || num_parents > MASTER_SOURCE_MAX)
 		return;
 
-	for (i = 0; i < num_parents; ++i) {
-		parent_names[i] = of_clk_get_parent_name(np, i);
-		if (!parent_names[i])
-			return;
-	}
+	of_clk_parent_fill(np, parent_names, num_parents);
 
 	of_property_read_string(np, "clock-output-names", &name);
 

drivers/clk/at91/clk-programmable.c

@@ -231,7 +231,6 @@ of_at91_clk_prog_setup(struct device_node *np, struct at91_pmc *pmc,
 {
 	int num;
 	u32 id;
-	int i;
 	struct clk *clk;
 	int num_parents;
 	const char *parent_names[PROG_SOURCE_MAX];
@@ -242,11 +241,7 @@ of_at91_clk_prog_setup(struct device_node *np, struct at91_pmc *pmc,
 	if (num_parents <= 0 || num_parents > PROG_SOURCE_MAX)
 		return;
 
-	for (i = 0; i < num_parents; ++i) {
-		parent_names[i] = of_clk_get_parent_name(np, i);
-		if (!parent_names[i])
-			return;
-	}
+	of_clk_parent_fill(np, parent_names, num_parents);
 
 	num = of_get_child_count(np);
 	if (!num || num > (PROG_ID_MAX + 1))

drivers/clk/at91/clk-slow.c

@@ -371,17 +371,12 @@ void __init of_at91sam9x5_clk_slow_setup(struct device_node *np,
 	const char *parent_names[2];
 	int num_parents;
 	const char *name = np->name;
-	int i;
 
 	num_parents = of_clk_get_parent_count(np);
 	if (num_parents <= 0 || num_parents > 2)
 		return;
 
-	for (i = 0; i < num_parents; ++i) {
-		parent_names[i] = of_clk_get_parent_name(np, i);
-		if (!parent_names[i])
-			return;
-	}
+	of_clk_parent_fill(np, parent_names, num_parents);
 
 	of_property_read_string(np, "clock-output-names", &name);
 
@@ -449,17 +444,12 @@ void __init of_at91sam9260_clk_slow_setup(struct device_node *np,
 	const char *parent_names[2];
 	int num_parents;
 	const char *name = np->name;
-	int i;
 
 	num_parents = of_clk_get_parent_count(np);
 	if (num_parents != 2)
 		return;
 
-	for (i = 0; i < num_parents; ++i) {
-		parent_names[i] = of_clk_get_parent_name(np, i);
-		if (!parent_names[i])
-			return;
-	}
+	of_clk_parent_fill(np, parent_names, num_parents);
 
 	of_property_read_string(np, "clock-output-names", &name);
 

drivers/clk/at91/clk-smd.c

@@ -145,7 +145,6 @@ void __init of_at91sam9x5_clk_smd_setup(struct device_node *np,
 					struct at91_pmc *pmc)
 {
 	struct clk *clk;
-	int i;
 	int num_parents;
 	const char *parent_names[SMD_SOURCE_MAX];
 	const char *name = np->name;
@@ -154,11 +153,7 @@ void __init of_at91sam9x5_clk_smd_setup(struct device_node *np,
 	if (num_parents <= 0 || num_parents > SMD_SOURCE_MAX)
 		return;
 
-	for (i = 0; i < num_parents; i++) {
-		parent_names[i] = of_clk_get_parent_name(np, i);
-		if (!parent_names[i])
-			return;
-	}
+	of_clk_parent_fill(np, parent_names, num_parents);
 
 	of_property_read_string(np, "clock-output-names", &name);
 

drivers/clk/at91/clk-usb.c

@@ -373,7 +373,6 @@ void __init of_at91sam9x5_clk_usb_setup(struct device_node *np,
 					struct at91_pmc *pmc)
 {
 	struct clk *clk;
-	int i;
 	int num_parents;
 	const char *parent_names[USB_SOURCE_MAX];
 	const char *name = np->name;
@@ -382,11 +381,7 @@ void __init of_at91sam9x5_clk_usb_setup(struct device_node *np,
 	if (num_parents <= 0 || num_parents > USB_SOURCE_MAX)
 		return;
 
-	for (i = 0; i < num_parents; i++) {
-		parent_names[i] = of_clk_get_parent_name(np, i);
-		if (!parent_names[i])
-			return;
-	}
+	of_clk_parent_fill(np, parent_names, num_parents);
 
 	of_property_read_string(np, "clock-output-names", &name);