clk: imx: pll14xx: Add pr_fmt

Print all messages from within the pll14xx driver with a common
prefix using pr_fmt. No need to print function names anymore, so
drop them from the messages.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Link: https://lore.kernel.org/r/20220304125256.2125023-8-s.hauer@pengutronix.deSigned-off-by: Abel Vesa <abel.vesa@nxp.com>

drivers/clk/imx/clk-pll14xx.c

@@ -3,6 +3,8 @@
  * Copyright 2017-2018 NXP.
  */
 
+#define pr_fmt(fmt) "pll14xx: " fmt
+
 #include <linux/bitfield.h>
 #include <linux/bits.h>
 #include <linux/clk-provider.h>
@@ -177,8 +179,8 @@ static int clk_pll1416x_set_rate(struct clk_hw *hw, unsigned long drate,
 
 	rate = imx_get_pll_settings(pll, drate);
 	if (!rate) {
-		pr_err("%s: Invalid rate : %lu for pll clk %s\n", __func__,
-		       drate, clk_hw_get_name(hw));
+		pr_err("Invalid rate %lu for pll clk %s\n", drate,
+		       clk_hw_get_name(hw));
 		return -EINVAL;
 	}
 
@@ -404,8 +406,7 @@ struct clk_hw *imx_dev_clk_hw_pll14xx(struct device *dev, const char *name,
 		init.ops = &clk_pll1443x_ops;
 		break;
 	default:
-		pr_err("%s: Unknown pll type for pll clk %s\n",
-		       __func__, name);
+		pr_err("Unknown pll type for pll clk %s\n", name);
 		kfree(pll);
 		return ERR_PTR(-EINVAL);
 	}
@@ -424,8 +425,7 @@ struct clk_hw *imx_dev_clk_hw_pll14xx(struct device *dev, const char *name,
 
 	ret = clk_hw_register(dev, hw);
 	if (ret) {
-		pr_err("%s: failed to register pll %s %d\n",
-			__func__, name, ret);
+		pr_err("failed to register pll %s %d\n", name, ret);
 		kfree(pll);
 		return ERR_PTR(ret);
 	}