gpio:samsung s5p_ suffix add for GPIO functions

This change is driven by need of general gpio_* functions,
which as their parameter are accepting the GPIO pin number, NOT
block and pin.

This makes the code alike to omap, and allows for using more
generic frameworks (e.g. software I2C).

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/arm/include/asm/arch-s5pc1xx/gpio.h b/arch/arm/include/asm/arch-s5pc1xx/gpio.h
index 485b9bf8..903de9c 100644
--- a/arch/arm/include/asm/arch-s5pc1xx/gpio.h
+++ b/arch/arm/include/asm/arch-s5pc1xx/gpio.h
@@ -126,14 +126,14 @@
 };
 
 /* functions */
-void gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg);
-void gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en);
-void gpio_direction_input(struct s5p_gpio_bank *bank, int gpio);
-void gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en);
-unsigned int gpio_get_value(struct s5p_gpio_bank *bank, int gpio);
-void gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode);
-void gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode);
-void gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);
+void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg);
+void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en);
+void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio);
+void s5p_gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en);
+unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio);
+void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode);
+void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode);
+void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);
 #endif
 
 /* Pin configurations */
diff --git a/arch/arm/include/asm/arch-s5pc2xx/gpio.h b/arch/arm/include/asm/arch-s5pc2xx/gpio.h
index 38303e4..8db5895 100644
--- a/arch/arm/include/asm/arch-s5pc2xx/gpio.h
+++ b/arch/arm/include/asm/arch-s5pc2xx/gpio.h
@@ -80,14 +80,14 @@
 };
 
 /* functions */
-void gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg);
-void gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en);
-void gpio_direction_input(struct s5p_gpio_bank *bank, int gpio);
-void gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en);
-unsigned int gpio_get_value(struct s5p_gpio_bank *bank, int gpio);
-void gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode);
-void gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode);
-void gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);
+void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg);
+void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en);
+void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio);
+void s5p_gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en);
+unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio);
+void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode);
+void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode);
+void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);
 #endif
 
 /* Pin configurations */
diff --git a/board/samsung/goni/goni.c b/board/samsung/goni/goni.c
index 581935d..e24cd29 100644
--- a/board/samsung/goni/goni.c
+++ b/board/samsung/goni/goni.c
@@ -73,7 +73,7 @@
 	int i;
 
 	/* MASSMEMORY_EN: XMSMDATA7: GPJ2[7] output high */
-	gpio_direction_output(&s5pc110_gpio->j2, 7, 1);
+	s5p_gpio_direction_output(&s5pc110_gpio->j2, 7, 1);
 
 	/*
 	 * MMC0 GPIO
@@ -86,11 +86,11 @@
 		if (i == 2)
 			continue;
 		/* GPG0[0:6] special function 2 */
-		gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2);
+		s5p_gpio_cfg_pin(&s5pc110_gpio->g0, i, 0x2);
 		/* GPG0[0:6] pull disable */
-		gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE);
+		s5p_gpio_set_pull(&s5pc110_gpio->g0, i, GPIO_PULL_NONE);
 		/* GPG0[0:6] drv 4x */
-		gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X);
+		s5p_gpio_set_drv(&s5pc110_gpio->g0, i, GPIO_DRV_4X);
 	}
 
 	return s5p_mmc_init(0, 4);
diff --git a/board/samsung/smdkc100/smdkc100.c b/board/samsung/smdkc100/smdkc100.c
index 1ad68b9..c41e610 100644
--- a/board/samsung/smdkc100/smdkc100.c
+++ b/board/samsung/smdkc100/smdkc100.c
@@ -41,7 +41,7 @@
 		(struct s5pc100_gpio *)samsung_get_base_gpio();
 
 	/* gpio configuration GPK0CON */
-	gpio_cfg_pin(&gpio->k0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
+	s5p_gpio_cfg_pin(&gpio->k0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
 
 	/* Ethernet needs bus width of 16 bits */
 	smc_bw_conf = SMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
diff --git a/board/samsung/smdkv310/smdkv310.c b/board/samsung/smdkv310/smdkv310.c
index acf9ee7..173520e 100644
--- a/board/samsung/smdkv310/smdkv310.c
+++ b/board/samsung/smdkv310/smdkv310.c
@@ -37,7 +37,7 @@
 	u32 smc_bw_conf, smc_bc_conf;
 
 	/* gpio configuration GPK0CON */
-	gpio_cfg_pin(&gpio2->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
+	s5p_gpio_cfg_pin(&gpio2->y0, CONFIG_ENV_SROM_BANK, GPIO_FUNC(2));
 
 	/* Ethernet needs bus width of 16 bits */
 	smc_bw_conf = SROMC_DATA16_WIDTH(CONFIG_ENV_SROM_BANK);
@@ -116,10 +116,10 @@
 	 */
 	for (i = 0; i < 7; i++) {
 		/* GPK2[0:6] special function 2 */
-		gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2));
+		s5p_gpio_cfg_pin(&gpio2->k2, i, GPIO_FUNC(0x2));
 
 		/* GPK2[0:6] drv 4x */
-		gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X);
+		s5p_gpio_set_drv(&gpio2->k2, i, GPIO_DRV_4X);
 
 		/* GPK2[0:1] pull disable */
 		if (i == 0 || i == 1) {
@@ -128,7 +128,7 @@
 		}
 
 		/* GPK2[2:6] pull up */
-		gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP);
+		s5p_gpio_set_pull(&gpio2->k2, i, GPIO_PULL_UP);
 	}
 	err = s5p_mmc_init(2, 4);
 	return err;
diff --git a/drivers/gpio/s5p_gpio.c b/drivers/gpio/s5p_gpio.c
index a1bcddc..2043859 100644
--- a/drivers/gpio/s5p_gpio.c
+++ b/drivers/gpio/s5p_gpio.c
@@ -36,7 +36,7 @@
 #define RATE_MASK(x)		(0x1 << (x + 16))
 #define RATE_SET(x)		(0x1 << (x + 16))
 
-void gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg)
+void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg)
 {
 	unsigned int value;
 
@@ -46,11 +46,11 @@
 	writel(value, &bank->con);
 }
 
-void gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en)
+void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en)
 {
 	unsigned int value;
 
-	gpio_cfg_pin(bank, gpio, GPIO_OUTPUT);
+	s5p_gpio_cfg_pin(bank, gpio, GPIO_OUTPUT);
 
 	value = readl(&bank->dat);
 	value &= ~DAT_MASK(gpio);
@@ -59,12 +59,12 @@
 	writel(value, &bank->dat);
 }
 
-void gpio_direction_input(struct s5p_gpio_bank *bank, int gpio)
+void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio)
 {
-	gpio_cfg_pin(bank, gpio, GPIO_INPUT);
+	s5p_gpio_cfg_pin(bank, gpio, GPIO_INPUT);
 }
 
-void gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en)
+void s5p_gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en)
 {
 	unsigned int value;
 
@@ -75,7 +75,7 @@
 	writel(value, &bank->dat);
 }
 
-unsigned int gpio_get_value(struct s5p_gpio_bank *bank, int gpio)
+unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio)
 {
 	unsigned int value;
 
@@ -83,7 +83,7 @@
 	return !!(value & DAT_MASK(gpio));
 }
 
-void gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode)
+void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode)
 {
 	unsigned int value;
 
@@ -102,7 +102,7 @@
 	writel(value, &bank->pull);
 }
 
-void gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode)
+void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode)
 {
 	unsigned int value;
 
@@ -123,7 +123,7 @@
 	writel(value, &bank->drv);
 }
 
-void gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode)
+void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode)
 {
 	unsigned int value;