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ARM: EXYNOS: Use gpio_request_one

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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.han@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Jingoo Han 2011-12-24 11:58:32 +09:00 committed by Kukjin Kim
parent 2f4f0b4219
commit 321655efad
3 changed files with 6 additions and 17 deletions
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9
arch/arm/mach-exynos/mach-nuri.c
View File

@ -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)

4
arch/arm/mach-exynos/mach-smdkv310.c
View File

@ -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);

10
arch/arm/mach-exynos/mach-universal_c210.c
View File

@ -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);