[PATCH V2] ARM: EXYNOS: Use gpio_request_one

[Jingoo Han]

By using gpio_request_one it is possible to set the direction
and initial value in one shot. Thus, using gpio_request_one can
make the code simpler.

Signed-off-by: Jingoo Han <jg1....@samsung.com>
---
 arch/arm/mach-exynos/mach-nuri.c           |    9 ++-------
 arch/arm/mach-exynos/mach-smdkv310.c       |    4 +---
 arch/arm/mach-exynos/mach-universal_c210.c |   10 +++-------
 3 files changed, 6 insertions(+), 17 deletions(-)

diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c
index 236bbe1..205dfed 100644
--- a/arch/arm/mach-exynos/mach-nuri.c
+++ b/arch/arm/mach-exynos/mach-nuri.c
@@ -247,13 +247,8 @@ static void nuri_lcd_power_on(struct plat_lcd_data *pd, 
unsigned int power)
 
 static int nuri_bl_init(struct device *dev)
 {
-       int ret, gpio = EXYNOS4_GPE2(3);
-
-       ret = gpio_request(gpio, "LCD_LDO_EN");
-       if (!ret)
-               gpio_direction_output(gpio, 0);
-
-       return ret;
+       return gpio_request_one(EXYNOS4_GPE2(3), GPIOF_OUT_INIT_LOW,
+                               "LCD_LD0_EN");
 }
 
 static int nuri_bl_notify(struct device *dev, int brightness)
diff --git a/arch/arm/mach-exynos/mach-smdkv310.c 
b/arch/arm/mach-exynos/mach-smdkv310.c
index cec2afa..cbf31bd 100644
--- a/arch/arm/mach-exynos/mach-smdkv310.c
+++ b/arch/arm/mach-exynos/mach-smdkv310.c
@@ -129,9 +129,7 @@ static void lcd_lte480wv_set_power(struct plat_lcd_data *pd,
                gpio_free(EXYNOS4_GPD0(1));
 #endif
                /* fire nRESET on power up */
-               gpio_request(EXYNOS4_GPX0(6), "GPX0");
-
-               gpio_direction_output(EXYNOS4_GPX0(6), 1);
+               gpio_request_one(EXYNOS4_GPX0(6), GPIOF_OUT_INIT_HIGH, "GPX0");
                mdelay(100);
 
                gpio_set_value(EXYNOS4_GPX0(6), 0);
diff --git a/arch/arm/mach-exynos/mach-universal_c210.c 
b/arch/arm/mach-exynos/mach-universal_c210.c
index a2a177f..0a04cd6 100644
--- a/arch/arm/mach-exynos/mach-universal_c210.c
+++ b/arch/arm/mach-exynos/mach-universal_c210.c
@@ -608,8 +608,7 @@ static void __init universal_tsp_init(void)
 
        /* TSP_LDO_ON: XMDMADDR_11 */
        gpio = EXYNOS4_GPE2(3);
-       gpio_request(gpio, "TSP_LDO_ON");
-       gpio_direction_output(gpio, 1);
+       gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "TSP_LDO_ON");
        gpio_export(gpio, 0);
 
        /* TSP_INT: XMDMADDR_7 */
@@ -669,8 +668,7 @@ static void __init universal_touchkey_init(void)
        i2c_gpio12_devs[0].irq = gpio_to_irq(gpio);
 
        gpio = EXYNOS4_GPE3(3);                 /* XMDMDATA_3 */
-       gpio_request(gpio, "3_TOUCH_EN");
-       gpio_direction_output(gpio, 1);
+       gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "3_TOUCH_EN");
 }
 
 static struct s3c2410_platform_i2c universal_i2c0_platdata __initdata = {
@@ -1000,9 +998,7 @@ static void __init universal_map_io(void)
 void s5p_tv_setup(void)
 {
        /* direct HPD to HDMI chip */
-       gpio_request(EXYNOS4_GPX3(7), "hpd-plug");
-
-       gpio_direction_input(EXYNOS4_GPX3(7));
+       gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug");
        s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3));
        s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE);
 
-- 
1.7.1


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