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ARM: pxa/cm-x300: GPIO cleanup 

use gpio_request_<one|array>() instead of multiple gpiolib calls

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Igor Grinberg 2011-05-09 14:41:47 +03:00 committed by Eric Miao
parent 6c7b3ea52e
commit 5a009df1f2
1 changed files with 20 additions and 23 deletions
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43
arch/arm/mach-pxa/cm-x300.c
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@ -484,14 +484,14 @@ static int cm_x300_ulpi_phy_reset(void)
int err;
/* reset the PHY */
err = gpio_request(GPIO_ULPI_PHY_RST, "ulpi reset");
err = gpio_request_one(GPIO_ULPI_PHY_RST, GPIOF_OUT_INIT_LOW,
"ulpi reset");
if (err) {
pr_err("%s: failed to request ULPI reset GPIO: %d\n",
__func__, err);
return err;
}
gpio_direction_output(GPIO_ULPI_PHY_RST, 0);
msleep(10);
gpio_set_value(GPIO_ULPI_PHY_RST, 1);
msleep(10);
@ -768,39 +768,36 @@ static void __init cm_x300_init_da9030(void)
irq_set_irq_wake(IRQ_WAKEUP0, 1);
}
/* wi2wi gpio setting for system_rev >= 130 */
static struct gpio cm_x300_wi2wi_gpios[] __initdata = {
{ 71, GPIOF_OUT_INIT_HIGH, "wlan en" },
{ 70, GPIOF_OUT_INIT_HIGH, "bt reset" },
};
static void __init cm_x300_init_wi2wi(void)
{
int bt_reset, wlan_en;
int err;
if (system_rev < 130) {
wlan_en = 77;
bt_reset = 78;
} else {
wlan_en = 71;
bt_reset = 70;
cm_x300_wi2wi_gpios[0].gpio = 77; /* wlan en */
cm_x300_wi2wi_gpios[1].gpio = 78; /* bt reset */
}
/* Libertas and CSR reset */
err = gpio_request(wlan_en, "wlan en");
err = gpio_request_array(ARRAY_AND_SIZE(cm_x300_wi2wi_gpios));
if (err) {
pr_err("CM-X300: failed to request wlan en gpio: %d\n", err);
} else {
gpio_direction_output(wlan_en, 1);
gpio_free(wlan_en);
pr_err("CM-X300: failed to request wifi/bt gpios: %d\n", err);
return;
}
err = gpio_request(bt_reset, "bt reset");
if (err) {
pr_err("CM-X300: failed to request bt reset gpio: %d\n", err);
} else {
gpio_direction_output(bt_reset, 1);
udelay(10);
gpio_set_value(bt_reset, 0);
udelay(10);
gpio_set_value(bt_reset, 1);
gpio_free(bt_reset);
}
udelay(10);
gpio_set_value(bt_reset, 0);
udelay(10);
gpio_set_value(bt_reset, 1);
gpio_free(wlan_en);
gpio_free(bt_reset);
}
/* MFP */