xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

arm: omap2plus: GPIO cleanup

Browse Source 
use gpio_request_<one|array>() instead of multiple gpiolib calls,
remove unneeded variables, etc.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Igor Grinberg
2011-05-03 18:22:09 +03:00
committed by Tony Lindgren
parent 9e18630b68
commit bc593f5d78
27 changed files with 395 additions and 698 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
arch/arm/mach-omap2/board-rx51-peripherals.c
View File

@@ -558,10 +558,8 @@ static __init void rx51_init_si4713(void)
static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
{
/* FIXME this gpio setup is just a placeholder for now */
gpio_request(gpio + 6, "backlight_pwm");
gpio_direction_output(gpio + 6, 0);
gpio_request(gpio + 7, "speaker_en");
gpio_direction_output(gpio + 7, 1);
gpio_request_one(gpio + 6, GPIOF_OUT_INIT_LOW, "backlight_pwm");
gpio_request_one(gpio + 7, GPIOF_OUT_INIT_HIGH, "speaker_en");
return 0;
}
@@ -912,26 +910,20 @@ static void rx51_wl1251_set_power(bool enable)
gpio_set_value(RX51_WL1251_POWER_GPIO, enable);
}
static struct gpio rx51_wl1251_gpios[] __initdata = {
{ RX51_WL1251_POWER_GPIO, GPIOF_OUT_INIT_LOW, "wl1251 power" },
{ RX51_WL1251_IRQ_GPIO, GPIOF_IN, "wl1251 irq" },
};
static void __init rx51_init_wl1251(void)
{
int irq, ret;
ret = gpio_request(RX51_WL1251_POWER_GPIO, "wl1251 power");
ret = gpio_request_array(rx51_wl1251_gpios,
ARRAY_SIZE(rx51_wl1251_gpios));
if (ret < 0)
goto error;
ret = gpio_direction_output(RX51_WL1251_POWER_GPIO, 0);
if (ret < 0)
goto err_power;
ret = gpio_request(RX51_WL1251_IRQ_GPIO, "wl1251 irq");
if (ret < 0)
goto err_power;
ret = gpio_direction_input(RX51_WL1251_IRQ_GPIO);
if (ret < 0)
goto err_irq;
irq = gpio_to_irq(RX51_WL1251_IRQ_GPIO);
if (irq < 0)
goto err_irq;
@@ -943,10 +935,7 @@ static void __init rx51_init_wl1251(void)
err_irq:
gpio_free(RX51_WL1251_IRQ_GPIO);
err_power:
gpio_free(RX51_WL1251_POWER_GPIO);
error:
printk(KERN_ERR "wl1251 board initialisation failed\n");
wl1251_pdata.set_power = NULL;