gpio: samsung: use pr_* instead of printk

index a006f0d..5c5ccdf 100644
@@ -42,12 +42,6 @@
 #include <plat/gpio-fns.h>
 #include <plat/pm.h>
 
-#ifndef DEBUG_GPIO
-#define gpio_dbg(x...) do { } while (0)
-#else
-#define gpio_dbg(x...) printk(KERN_DEBUG x)
-#endif
-
 int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip,
 				unsigned int off, samsung_gpio_pull_t pull)
 {

@@ -599,7 +593,7 @@ static int samsung_gpiolib_4bit_input(struct gpio_chip *chip,
 	con &= ~(0xf << con_4bit_shift(offset));
 	__raw_writel(con, base + GPIOCON_OFF);
 
-	gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con);
+	pr_debug("%s: %p: CON now %08lx\n", __func__, base, con);
 
 	return 0;
 }

@@ -627,7 +621,7 @@ static int samsung_gpiolib_4bit_output(struct gpio_chip *chip,
 	__raw_writel(con, base + GPIOCON_OFF);
 	__raw_writel(dat, base + GPIODAT_OFF);
 
-	gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat);
+	pr_debug("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat);
 
 	return 0;
 }

@@ -671,7 +665,7 @@ static int samsung_gpiolib_4bit2_input(struct gpio_chip *chip,
 	con &= ~(0xf << con_4bit_shift(offset));
 	__raw_writel(con, regcon);
 
-	gpio_dbg("%s: %p: CON %08lx\n", __func__, base, con);
+	pr_debug("%s: %p: CON %08lx\n", __func__, base, con);
 
 	return 0;
 }

@@ -706,7 +700,7 @@ static int samsung_gpiolib_4bit2_output(struct gpio_chip *chip,
 	__raw_writel(con, regcon);
 	__raw_writel(dat, base + GPIODAT_OFF);
 
-	gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat);
+	pr_debug("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat);
 
 	return 0;
 }

@@ -926,10 +920,10 @@ static void __init samsung_gpiolib_add(struct samsung_gpio_chip *chip)
 #ifdef CONFIG_PM
 	if (chip->pm != NULL) {
 		if (!chip->pm->save || !chip->pm->resume)
-			printk(KERN_ERR "gpio: %s has missing PM functions\n",
+			pr_err("gpio: %s has missing PM functions\n",
 			       gc->label);
 	} else
-		printk(KERN_ERR "gpio: %s has no PM function\n", gc->label);
+		pr_err("gpio: %s has no PM function\n", gc->label);
 #endif
 
 	/* gpiochip_add() prints own failure message on error. */