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ARM: S5PV210: 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 11:57:09 +09:00 committed by Kukjin Kim
parent 7803c7aa8e
commit 2f4f0b4219
3 changed files with 6 additions and 13 deletions
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3
arch/arm/mach-s5pv210/mach-aquila.c
View File

@ -595,8 +595,7 @@ static struct s3c_sdhci_platdata aquila_hsmmc2_data __initdata = {
static void aquila_setup_sdhci(void)
{
gpio_request(AQUILA_EXT_FLASH_EN, "FLASH_EN");
gpio_direction_output(AQUILA_EXT_FLASH_EN, 1);
gpio_request_one(AQUILA_EXT_FLASH_EN, GPIOF_OUT_INIT_HIGH, "FLASH_EN");
s3c_sdhci0_set_platdata(&aquila_hsmmc0_data);
s3c_sdhci1_set_platdata(&aquila_hsmmc1_data);

6
arch/arm/mach-s5pv210/mach-goni.c
View File

@ -227,8 +227,7 @@ static void __init goni_radio_init(void)
i2c1_devs[0].irq = gpio_to_irq(gpio);
gpio = S5PV210_GPJ2(5); /* XMSMDATA_5 */
gpio_request(gpio, "FM_RST");
gpio_direction_output(gpio, 1);
gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "FM_RST");
}
/* TSP */
@ -264,8 +263,7 @@ static void __init goni_tsp_init(void)
int gpio;
gpio = S5PV210_GPJ1(3); /* XMSMADDR_11 */
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);
gpio = S5PV210_GPJ0(5); /* XMSMADDR_5 */

10
arch/arm/mach-s5pv210/mach-smdkv210.c
View File

@ -153,15 +153,12 @@ static void smdkv210_lte480wv_set_power(struct plat_lcd_data *pd,
{
if (power) {
#if !defined(CONFIG_BACKLIGHT_PWM)
gpio_request(S5PV210_GPD0(3), "GPD0");
gpio_direction_output(S5PV210_GPD0(3), 1);
gpio_request_one(S5PV210_GPD0(3), GPIOF_OUT_INIT_HIGH, "GPD0");
gpio_free(S5PV210_GPD0(3));
#endif
/* fire nRESET on power up */
gpio_request(S5PV210_GPH0(6), "GPH0");
gpio_direction_output(S5PV210_GPH0(6), 1);
gpio_request_one(S5PV210_GPH0(6), GPIOF_OUT_INIT_HIGH, "GPH0");
gpio_set_value(S5PV210_GPH0(6), 0);
mdelay(10);
@ -172,8 +169,7 @@ static void smdkv210_lte480wv_set_power(struct plat_lcd_data *pd,
gpio_free(S5PV210_GPH0(6));
} else {
#if !defined(CONFIG_BACKLIGHT_PWM)
gpio_request(S5PV210_GPD0(3), "GPD0");
gpio_direction_output(S5PV210_GPD0(3), 0);
gpio_request_one(S5PV210_GPD0(3), GPIOF_OUT_INIT_LOW, "GPD0");
gpio_free(S5PV210_GPD0(3));
#endif
}