gpio: samsung: use pr_* instead of printk

This patch uses pr_* instead of printk. Also, gpio_dbg
is replaced with pr_debug.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by/Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

drivers/gpio/gpio-samsung.c

@@ -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)
 {
@@ -602,7 +596,7 @@ 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;
 }
@@ -630,7 +624,7 @@ 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;
 }
@@ -674,7 +668,7 @@ 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;
 }
@@ -709,7 +703,7 @@ 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;
 }
@@ -929,10 +923,10 @@ 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. */