clk: Convert to using %pOFn instead of device_node.name

In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.

Cc: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-clk@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-omap@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
diff --git a/drivers/clk/renesas/clk-div6.c b/drivers/clk/renesas/clk-div6.c
index 9febbf4..3ca4a04 100644
--- a/drivers/clk/renesas/clk-div6.c
+++ b/drivers/clk/renesas/clk-div6.c
@@ -312,8 +312,8 @@ static void __init cpg_div6_clock_init(struct device_node *np)
 
 	num_parents = of_clk_get_parent_count(np);
 	if (num_parents < 1) {
-		pr_err("%s: no parent found for %s DIV6 clock\n",
-		       __func__, np->name);
+		pr_err("%s: no parent found for %pOFn DIV6 clock\n",
+		       __func__, np);
 		return;
 	}
 
@@ -324,8 +324,8 @@ static void __init cpg_div6_clock_init(struct device_node *np)
 
 	reg = of_iomap(np, 0);
 	if (reg == NULL) {
-		pr_err("%s: failed to map %s DIV6 clock register\n",
-		       __func__, np->name);
+		pr_err("%s: failed to map %pOFn DIV6 clock register\n",
+		       __func__, np);
 		goto error;
 	}
 
@@ -337,8 +337,8 @@ static void __init cpg_div6_clock_init(struct device_node *np)
 
 	clk = cpg_div6_register(clk_name, num_parents, parent_names, reg, NULL);
 	if (IS_ERR(clk)) {
-		pr_err("%s: failed to register %s DIV6 clock (%ld)\n",
-		       __func__, np->name, PTR_ERR(clk));
+		pr_err("%s: failed to register %pOFn DIV6 clock (%ld)\n",
+		       __func__, np, PTR_ERR(clk));
 		goto error;
 	}