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Commit 5a009df1 authored by Igor Grinberg's avatar Igor Grinberg Committed by Eric Miao
Browse files

ARM: pxa/cm-x300: GPIO cleanup 



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

Signed-off-by: default avatarIgor Grinberg <grinberg@compulab.co.il>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent 6c7b3ea5

arch/arm/mach-pxa/cm-x300.c

+20 −23
Original line number Diff line number Diff line
@@ -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);
@@ -768,40 +768,37 @@ 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(wlan_en);

	gpio_free(bt_reset);

}

}



/* MFP */

static void __init cm_x300_init_mfp(void)