[PATCH v2] arm: omap2plus: GPIO cleanup
Igor Grinberg
grinberg at compulab.co.il
Wed May 11 03:38:42 EDT 2011
ping!
On 05/03/11 18:22, Igor Grinberg wrote:
> use gpio_request_<one|array>() instead of multiple gpiolib calls,
> remove unneeded variables, etc.
>
> Signed-off-by: Igor Grinberg <grinberg at compulab.co.il>
> ---
> Boot tested on cm-t35 and compile tested for others.
>
> v2: rebased on top of Tony's devel-cleanup
>
>
> arch/arm/mach-omap2/board-2430sdp.c | 7 +-
> arch/arm/mach-omap2/board-3430sdp.c | 47 +++------
> arch/arm/mach-omap2/board-4430sdp.c | 98 ++++--------------
> arch/arm/mach-omap2/board-am3517crane.c | 10 +--
> arch/arm/mach-omap2/board-am3517evm.c | 54 +++-------
> arch/arm/mach-omap2/board-apollon.c | 29 +++---
> arch/arm/mach-omap2/board-cm-t35.c | 74 ++++---------
> arch/arm/mach-omap2/board-cm-t3517.c | 9 +-
> arch/arm/mach-omap2/board-devkit8000.c | 12 +-
> arch/arm/mach-omap2/board-igep0020.c | 143 +++++++++++++-------------
> arch/arm/mach-omap2/board-igep0030.c | 93 ++++++++---------
> arch/arm/mach-omap2/board-n8x0.c | 28 ++---
> arch/arm/mach-omap2/board-omap3beagle.c | 128 ++++++++---------------
> arch/arm/mach-omap2/board-omap3evm.c | 99 +++++-------------
> arch/arm/mach-omap2/board-omap3pandora.c | 21 +---
> arch/arm/mach-omap2/board-omap3stalker.c | 7 +-
> arch/arm/mach-omap2/board-omap3touchbook.c | 20 +---
> arch/arm/mach-omap2/board-omap4panda.c | 62 ++++--------
> arch/arm/mach-omap2/board-overo.c | 55 +++++-----
> arch/arm/mach-omap2/board-rx51-peripherals.c | 29 ++----
> arch/arm/mach-omap2/board-rx51-video.c | 5 +-
> arch/arm/mach-omap2/board-zoom-debugboard.c | 9 +-
> arch/arm/mach-omap2/board-zoom-display.c | 31 ++----
> arch/arm/mach-omap2/board-zoom-peripherals.c | 8 +-
> arch/arm/mach-omap2/gpmc-smc91x.c | 11 +-
> arch/arm/mach-omap2/gpmc-smsc911x.c | 7 +-
> arch/arm/mach-omap2/usb-tusb6010.c | 3 +-
> 27 files changed, 398 insertions(+), 701 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
> index a8810f8..d54969b 100644
> --- a/arch/arm/mach-omap2/board-2430sdp.c
> +++ b/arch/arm/mach-omap2/board-2430sdp.c
> @@ -226,8 +226,6 @@ static struct omap_board_mux board_mux[] __initdata = {
>
> static void __init omap_2430sdp_init(void)
> {
> - int ret;
> -
> omap2430_mux_init(board_mux, OMAP_PACKAGE_ZAC);
>
> omap_board_config = sdp2430_config;
> @@ -246,9 +244,8 @@ static void __init omap_2430sdp_init(void)
> board_smc91x_init();
>
> /* Turn off secondary LCD backlight */
> - ret = gpio_request(SECONDARY_LCD_GPIO, "Secondary LCD backlight");
> - if (ret == 0)
> - gpio_direction_output(SECONDARY_LCD_GPIO, 0);
> + gpio_request_one(SECONDARY_LCD_GPIO, GPIOF_OUT_INIT_LOW,
> + "Secondary LCD backlight");
> }
>
> static void __init omap_2430sdp_map_io(void)
> diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
> index 951e585..99218a5 100644
> --- a/arch/arm/mach-omap2/board-3430sdp.c
> +++ b/arch/arm/mach-omap2/board-3430sdp.c
> @@ -126,8 +126,11 @@ static struct twl4030_keypad_data sdp3430_kp_data = {
> #define SDP3430_LCD_PANEL_BACKLIGHT_GPIO 8
> #define SDP3430_LCD_PANEL_ENABLE_GPIO 5
>
> -static unsigned backlight_gpio;
> -static unsigned enable_gpio;
> +static struct gpio sdp3430_dss_gpios[] __initdata = {
> + {SDP3430_LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW, "LCD reset" },
> + {SDP3430_LCD_PANEL_BACKLIGHT_GPIO, GPIOF_OUT_INIT_LOW, "LCD Backlight"},
> +};
> +
> static int lcd_enabled;
> static int dvi_enabled;
>
> @@ -135,29 +138,11 @@ static void __init sdp3430_display_init(void)
> {
> int r;
>
> - enable_gpio = SDP3430_LCD_PANEL_ENABLE_GPIO;
> - backlight_gpio = SDP3430_LCD_PANEL_BACKLIGHT_GPIO;
> -
> - r = gpio_request(enable_gpio, "LCD reset");
> - if (r) {
> - printk(KERN_ERR "failed to get LCD reset GPIO\n");
> - goto err0;
> - }
> -
> - r = gpio_request(backlight_gpio, "LCD Backlight");
> - if (r) {
> - printk(KERN_ERR "failed to get LCD backlight GPIO\n");
> - goto err1;
> - }
> -
> - gpio_direction_output(enable_gpio, 0);
> - gpio_direction_output(backlight_gpio, 0);
> + r = gpio_request_array(sdp3430_dss_gpios,
> + ARRAY_SIZE(sdp3430_dss_gpios));
> + if (r)
> + printk(KERN_ERR "failed to get LCD control GPIOs\n");
>
> - return;
> -err1:
> - gpio_free(enable_gpio);
> -err0:
> - return;
> }
>
> static int sdp3430_panel_enable_lcd(struct omap_dss_device *dssdev)
> @@ -167,8 +152,8 @@ static int sdp3430_panel_enable_lcd(struct omap_dss_device *dssdev)
> return -EINVAL;
> }
>
> - gpio_direction_output(enable_gpio, 1);
> - gpio_direction_output(backlight_gpio, 1);
> + gpio_direction_output(SDP3430_LCD_PANEL_ENABLE_GPIO, 1);
> + gpio_direction_output(SDP3430_LCD_PANEL_BACKLIGHT_GPIO, 1);
>
> lcd_enabled = 1;
>
> @@ -179,8 +164,8 @@ static void sdp3430_panel_disable_lcd(struct omap_dss_device *dssdev)
> {
> lcd_enabled = 0;
>
> - gpio_direction_output(enable_gpio, 0);
> - gpio_direction_output(backlight_gpio, 0);
> + gpio_direction_output(SDP3430_LCD_PANEL_ENABLE_GPIO, 0);
> + gpio_direction_output(SDP3430_LCD_PANEL_BACKLIGHT_GPIO, 0);
> }
>
> static int sdp3430_panel_enable_dvi(struct omap_dss_device *dssdev)
> @@ -308,12 +293,10 @@ static int sdp3430_twl_gpio_setup(struct device *dev,
> omap2_hsmmc_init(mmc);
>
> /* gpio + 7 is "sub_lcd_en_bkl" (output/PWM1) */
> - gpio_request(gpio + 7, "sub_lcd_en_bkl");
> - gpio_direction_output(gpio + 7, 0);
> + gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "sub_lcd_en_bkl");
>
> /* gpio + 15 is "sub_lcd_nRST" (output) */
> - gpio_request(gpio + 15, "sub_lcd_nRST");
> - gpio_direction_output(gpio + 15, 0);
> + gpio_request_one(gpio + 15, GPIOF_OUT_INIT_LOW, "sub_lcd_nRST");
>
> return 0;
> }
> diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
> index 7073542..ae3153c 100644
> --- a/arch/arm/mach-omap2/board-4430sdp.c
> +++ b/arch/arm/mach-omap2/board-4430sdp.c
> @@ -252,58 +252,22 @@ static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
> },
> };
>
> +static struct gpio sdp4430_eth_gpios[] __initdata = {
> + { ETH_KS8851_POWER_ON, GPIOF_OUT_INIT_HIGH, "eth_power" },
> + { ETH_KS8851_QUART, GPIOF_OUT_INIT_HIGH, "quart" },
> + { ETH_KS8851_IRQ, GPIOF_IN, "eth_irq" },
> +};
> +
> static int omap_ethernet_init(void)
> {
> int status;
>
> /* Request of GPIO lines */
> + status = gpio_request_array(sdp4430_eth_gpios,
> + ARRAY_SIZE(sdp4430_eth_gpios));
> + if (status)
> + pr_err("Cannot request ETH GPIOs\n");
>
> - status = gpio_request(ETH_KS8851_POWER_ON, "eth_power");
> - if (status) {
> - pr_err("Cannot request GPIO %d\n", ETH_KS8851_POWER_ON);
> - return status;
> - }
> -
> - status = gpio_request(ETH_KS8851_QUART, "quart");
> - if (status) {
> - pr_err("Cannot request GPIO %d\n", ETH_KS8851_QUART);
> - goto error1;
> - }
> -
> - status = gpio_request(ETH_KS8851_IRQ, "eth_irq");
> - if (status) {
> - pr_err("Cannot request GPIO %d\n", ETH_KS8851_IRQ);
> - goto error2;
> - }
> -
> - /* Configuration of requested GPIO lines */
> -
> - status = gpio_direction_output(ETH_KS8851_POWER_ON, 1);
> - if (status) {
> - pr_err("Cannot set output GPIO %d\n", ETH_KS8851_IRQ);
> - goto error3;
> - }
> -
> - status = gpio_direction_output(ETH_KS8851_QUART, 1);
> - if (status) {
> - pr_err("Cannot set output GPIO %d\n", ETH_KS8851_QUART);
> - goto error3;
> - }
> -
> - status = gpio_direction_input(ETH_KS8851_IRQ);
> - if (status) {
> - pr_err("Cannot set input GPIO %d\n", ETH_KS8851_IRQ);
> - goto error3;
> - }
> -
> - return 0;
> -
> -error3:
> - gpio_free(ETH_KS8851_IRQ);
> -error2:
> - gpio_free(ETH_KS8851_QUART);
> -error1:
> - gpio_free(ETH_KS8851_POWER_ON);
> return status;
> }
>
> @@ -602,21 +566,13 @@ static int __init omap4_i2c_init(void)
>
> static void __init omap_sfh7741prox_init(void)
> {
> - int error;
> + int error;
>
> - error = gpio_request(OMAP4_SFH7741_ENABLE_GPIO, "sfh7741");
> - if (error < 0) {
> + error = gpio_request_one(OMAP4_SFH7741_ENABLE_GPIO,
> + GPIOF_OUT_INIT_LOW, "sfh7741");
> + if (error < 0)
> pr_err("%s:failed to request GPIO %d, error %d\n",
> __func__, OMAP4_SFH7741_ENABLE_GPIO, error);
> - return;
> - }
> -
> - error = gpio_direction_output(OMAP4_SFH7741_ENABLE_GPIO , 0);
> - if (error < 0) {
> - pr_err("%s: GPIO configuration failed: GPIO %d,error %d\n",
> - __func__, OMAP4_SFH7741_ENABLE_GPIO, error);
> - gpio_free(OMAP4_SFH7741_ENABLE_GPIO);
> - }
> }
>
> static void sdp4430_hdmi_mux_init(void)
> @@ -633,27 +589,19 @@ static void sdp4430_hdmi_mux_init(void)
> OMAP_PIN_INPUT_PULLUP);
> }
>
> +static struct gpio sdp4430_hdmi_gpios[] = {
> + { HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd" },
> + { HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
> +};
> +
> static int sdp4430_panel_enable_hdmi(struct omap_dss_device *dssdev)
> {
> int status;
>
> - status = gpio_request_one(HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH,
> - "hdmi_gpio_hpd");
> - if (status) {
> - pr_err("Cannot request GPIO %d\n", HDMI_GPIO_HPD);
> - return status;
> - }
> - status = gpio_request_one(HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH,
> - "hdmi_gpio_ls_oe");
> - if (status) {
> - pr_err("Cannot request GPIO %d\n", HDMI_GPIO_LS_OE);
> - goto error1;
> - }
> -
> - return 0;
> -
> -error1:
> - gpio_free(HDMI_GPIO_HPD);
> + status = gpio_request_array(sdp4430_hdmi_gpios,
> + ARRAY_SIZE(sdp4430_hdmi_gpios));
> + if (status)
> + pr_err("%s: Cannot request HDMI GPIOs\n", __func__);
>
> return status;
> }
> diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c
> index a890d24..5e438a7 100644
> --- a/arch/arm/mach-omap2/board-am3517crane.c
> +++ b/arch/arm/mach-omap2/board-am3517crane.c
> @@ -89,19 +89,13 @@ static void __init am3517_crane_init(void)
> return;
> }
>
> - ret = gpio_request(GPIO_USB_POWER, "usb_ehci_enable");
> + ret = gpio_request_one(GPIO_USB_POWER, GPIOF_OUT_INIT_HIGH,
> + "usb_ehci_enable");
> if (ret < 0) {
> pr_err("Can not request GPIO %d\n", GPIO_USB_POWER);
> return;
> }
>
> - ret = gpio_direction_output(GPIO_USB_POWER, 1);
> - if (ret < 0) {
> - gpio_free(GPIO_USB_POWER);
> - pr_err("Unable to initialize EHCI power\n");
> - return;
> - }
> -
> usbhs_init(&usbhs_bdata);
> }
>
> diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
> index ce7d5e6..6c47060 100644
> --- a/arch/arm/mach-omap2/board-am3517evm.c
> +++ b/arch/arm/mach-omap2/board-am3517evm.c
> @@ -174,19 +174,14 @@ static void __init am3517_evm_rtc_init(void)
> int r;
>
> omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
> - r = gpio_request(GPIO_RTCS35390A_IRQ, "rtcs35390a-irq");
> +
> + r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq");
> if (r < 0) {
> printk(KERN_WARNING "failed to request GPIO#%d\n",
> GPIO_RTCS35390A_IRQ);
> return;
> }
> - r = gpio_direction_input(GPIO_RTCS35390A_IRQ);
> - if (r < 0) {
> - printk(KERN_WARNING "GPIO#%d cannot be configured as input\n",
> - GPIO_RTCS35390A_IRQ);
> - gpio_free(GPIO_RTCS35390A_IRQ);
> - return;
> - }
> +
> am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
> }
>
> @@ -242,6 +237,15 @@ static int dvi_enabled;
>
> #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
> defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
> +static struct gpio am3517_evm_dss_gpios[] __initdata = {
> + /* GPIO 182 = LCD Backlight Power */
> + { LCD_PANEL_BKLIGHT_PWR, GPIOF_OUT_INIT_HIGH, "lcd_backlight_pwr" },
> + /* GPIO 181 = LCD Panel PWM */
> + { LCD_PANEL_PWM, GPIOF_OUT_INIT_HIGH, "lcd bl enable" },
> + /* GPIO 176 = LCD Panel Power enable pin */
> + { LCD_PANEL_PWR, GPIOF_OUT_INIT_HIGH, "dvi enable" },
> +};
> +
> static void __init am3517_evm_display_init(void)
> {
> int r;
> @@ -249,41 +253,15 @@ static void __init am3517_evm_display_init(void)
> omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP);
> omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN);
> omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN);
> - /*
> - * Enable GPIO 182 = LCD Backlight Power
> - */
> - r = gpio_request(LCD_PANEL_BKLIGHT_PWR, "lcd_backlight_pwr");
> +
> + r = gpio_request_array(am3517_evm_dss_gpios,
> + ARRAY_SIZE(am3517_evm_dss_gpios));
> if (r) {
> - printk(KERN_ERR "failed to get lcd_backlight_pwr\n");
> + printk(KERN_ERR "failed to get DSS panel control GPIOs\n");
> return;
> }
> - gpio_direction_output(LCD_PANEL_BKLIGHT_PWR, 1);
> - /*
> - * Enable GPIO 181 = LCD Panel PWM
> - */
> - r = gpio_request(LCD_PANEL_PWM, "lcd_pwm");
> - if (r) {
> - printk(KERN_ERR "failed to get lcd_pwm\n");
> - goto err_1;
> - }
> - gpio_direction_output(LCD_PANEL_PWM, 1);
> - /*
> - * Enable GPIO 176 = LCD Panel Power enable pin
> - */
> - r = gpio_request(LCD_PANEL_PWR, "lcd_panel_pwr");
> - if (r) {
> - printk(KERN_ERR "failed to get lcd_panel_pwr\n");
> - goto err_2;
> - }
> - gpio_direction_output(LCD_PANEL_PWR, 1);
>
> printk(KERN_INFO "Display initialized successfully\n");
> - return;
> -
> -err_2:
> - gpio_free(LCD_PANEL_PWM);
> -err_1:
> - gpio_free(LCD_PANEL_BKLIGHT_PWR);
> }
> #else
> static void __init am3517_evm_display_init(void) {}
> diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
> index f4f8374..f3beb8e 100644
> --- a/arch/arm/mach-omap2/board-apollon.c
> +++ b/arch/arm/mach-omap2/board-apollon.c
> @@ -202,6 +202,7 @@ static inline void __init apollon_init_smc91x(void)
> unsigned int rate;
> struct clk *gpmc_fck;
> int eth_cs;
> + int err;
>
> gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
> if (IS_ERR(gpmc_fck)) {
> @@ -245,15 +246,13 @@ static inline void __init apollon_init_smc91x(void)
> apollon_smc91x_resources[0].end = base + 0x30f;
> udelay(100);
>
> - omap_mux_init_gpio(74, 0);
> - if (gpio_request(APOLLON_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
> + omap_mux_init_gpio(APOLLON_ETHR_GPIO_IRQ, 0);
> + err = gpio_request_one(APOLLON_ETHR_GPIO_IRQ, GPIOF_IN, "SMC91x irq");
> + if (err) {
> printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
> APOLLON_ETHR_GPIO_IRQ);
> gpmc_cs_free(APOLLON_ETH_CS);
> - goto out;
> }
> - gpio_direction_input(APOLLON_ETHR_GPIO_IRQ);
> -
> out:
> clk_disable(gpmc_fck);
> clk_put(gpmc_fck);
> @@ -280,20 +279,19 @@ static void __init omap_apollon_init_early(void)
> omap2_init_common_devices(NULL, NULL);
> }
>
> +static struct gpio apollon_gpio_leds[] __initdata = {
> + { LED0_GPIO13, GPIOF_OUT_INIT_LOW, "LED0" }, /* LED0 - AA10 */
> + { LED1_GPIO14, GPIOF_OUT_INIT_LOW, "LED1" }, /* LED1 - AA6 */
> + { LED2_GPIO15, GPIOF_OUT_INIT_LOW, "LED2" }, /* LED2 - AA4 */
> +};
> +
> static void __init apollon_led_init(void)
> {
> - /* LED0 - AA10 */
> omap_mux_init_signal("vlynq_clk.gpio_13", 0);
> - gpio_request(LED0_GPIO13, "LED0");
> - gpio_direction_output(LED0_GPIO13, 0);
> - /* LED1 - AA6 */
> omap_mux_init_signal("vlynq_rx1.gpio_14", 0);
> - gpio_request(LED1_GPIO14, "LED1");
> - gpio_direction_output(LED1_GPIO14, 0);
> - /* LED2 - AA4 */
> omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
> - gpio_request(LED2_GPIO15, "LED2");
> - gpio_direction_output(LED2_GPIO15, 0);
> +
> + gpio_request_array(apollon_gpio_leds, ARRAY_SIZE(apollon_gpio_leds));
> }
>
> static void __init apollon_usb_init(void)
> @@ -301,8 +299,7 @@ static void __init apollon_usb_init(void)
> /* USB device */
> /* DEVICE_SUSPEND */
> omap_mux_init_signal("mcbsp2_clkx.gpio_12", 0);
> - gpio_request(12, "USB suspend");
> - gpio_direction_output(12, 0);
> + gpio_request_one(12, GPIOF_OUT_INIT_LOW, "USB suspend");
> omap2_usbfs_init(&apollon_usb_config);
> }
>
> diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
> index e0e2d48..6063be8 100644
> --- a/arch/arm/mach-omap2/board-cm-t35.c
> +++ b/arch/arm/mach-omap2/board-cm-t35.c
> @@ -182,10 +182,6 @@ static inline void cm_t35_init_nand(void) {}
> #define CM_T35_LCD_BL_GPIO 58
> #define CM_T35_DVI_EN_GPIO 54
>
> -static int lcd_bl_gpio;
> -static int lcd_en_gpio;
> -static int dvi_en_gpio;
> -
> static int lcd_enabled;
> static int dvi_enabled;
>
> @@ -196,8 +192,8 @@ static int cm_t35_panel_enable_lcd(struct omap_dss_device *dssdev)
> return -EINVAL;
> }
>
> - gpio_set_value(lcd_en_gpio, 1);
> - gpio_set_value(lcd_bl_gpio, 1);
> + gpio_set_value(CM_T35_LCD_EN_GPIO, 1);
> + gpio_set_value(CM_T35_LCD_BL_GPIO, 1);
>
> lcd_enabled = 1;
>
> @@ -208,8 +204,8 @@ static void cm_t35_panel_disable_lcd(struct omap_dss_device *dssdev)
> {
> lcd_enabled = 0;
>
> - gpio_set_value(lcd_bl_gpio, 0);
> - gpio_set_value(lcd_en_gpio, 0);
> + gpio_set_value(CM_T35_LCD_BL_GPIO, 0);
> + gpio_set_value(CM_T35_LCD_EN_GPIO, 0);
> }
>
> static int cm_t35_panel_enable_dvi(struct omap_dss_device *dssdev)
> @@ -219,7 +215,7 @@ static int cm_t35_panel_enable_dvi(struct omap_dss_device *dssdev)
> return -EINVAL;
> }
>
> - gpio_set_value(dvi_en_gpio, 0);
> + gpio_set_value(CM_T35_DVI_EN_GPIO, 0);
> dvi_enabled = 1;
>
> return 0;
> @@ -227,7 +223,7 @@ static int cm_t35_panel_enable_dvi(struct omap_dss_device *dssdev)
>
> static void cm_t35_panel_disable_dvi(struct omap_dss_device *dssdev)
> {
> - gpio_set_value(dvi_en_gpio, 1);
> + gpio_set_value(CM_T35_DVI_EN_GPIO, 1);
> dvi_enabled = 0;
> }
>
> @@ -309,62 +305,38 @@ static struct spi_board_info cm_t35_lcd_spi_board_info[] __initdata = {
> },
> };
>
> +static struct gpio cm_t35_dss_gpios[] __initdata = {
> + { CM_T35_LCD_EN_GPIO, GPIOF_OUT_INIT_LOW, "lcd enable" },
> + { CM_T35_LCD_BL_GPIO, GPIOF_OUT_INIT_LOW, "lcd bl enable" },
> + { CM_T35_DVI_EN_GPIO, GPIOF_OUT_INIT_HIGH, "dvi enable" },
> +};
> +
> static void __init cm_t35_init_display(void)
> {
> int err;
>
> - lcd_en_gpio = CM_T35_LCD_EN_GPIO;
> - lcd_bl_gpio = CM_T35_LCD_BL_GPIO;
> - dvi_en_gpio = CM_T35_DVI_EN_GPIO;
> -
> spi_register_board_info(cm_t35_lcd_spi_board_info,
> ARRAY_SIZE(cm_t35_lcd_spi_board_info));
>
> - err = gpio_request(lcd_en_gpio, "LCD RST");
> - if (err) {
> - pr_err("CM-T35: failed to get LCD reset GPIO\n");
> - goto out;
> - }
> -
> - err = gpio_request(lcd_bl_gpio, "LCD BL");
> + err = gpio_request_array(cm_t35_dss_gpios,
> + ARRAY_SIZE(cm_t35_dss_gpios));
> if (err) {
> - pr_err("CM-T35: failed to get LCD backlight control GPIO\n");
> - goto err_lcd_bl;
> + pr_err("CM-T35: failed to request DSS control GPIOs\n");
> + return;
> }
>
> - err = gpio_request(dvi_en_gpio, "DVI EN");
> - if (err) {
> - pr_err("CM-T35: failed to get DVI reset GPIO\n");
> - goto err_dvi_en;
> - }
> -
> - gpio_export(lcd_en_gpio, 0);
> - gpio_export(lcd_bl_gpio, 0);
> - gpio_export(dvi_en_gpio, 0);
> - gpio_direction_output(lcd_en_gpio, 0);
> - gpio_direction_output(lcd_bl_gpio, 0);
> - gpio_direction_output(dvi_en_gpio, 1);
> + gpio_export(CM_T35_LCD_EN_GPIO, 0);
> + gpio_export(CM_T35_LCD_BL_GPIO, 0);
> + gpio_export(CM_T35_DVI_EN_GPIO, 0);
>
> msleep(50);
> - gpio_set_value(lcd_en_gpio, 1);
> + gpio_set_value(CM_T35_LCD_EN_GPIO, 1);
>
> err = omap_display_init(&cm_t35_dss_data);
> if (err) {
> pr_err("CM-T35: failed to register DSS device\n");
> - goto err_dev_reg;
> + gpio_free_array(cm_t35_dss_gpios, ARRAY_SIZE(cm_t35_dss_gpios));
> }
> -
> - return;
> -
> -err_dev_reg:
> - gpio_free(dvi_en_gpio);
> -err_dvi_en:
> - gpio_free(lcd_bl_gpio);
> -err_lcd_bl:
> - gpio_free(lcd_en_gpio);
> -out:
> -
> - return;
> }
>
> static struct regulator_consumer_supply cm_t35_vmmc1_supply = {
> @@ -497,10 +469,8 @@ static int cm_t35_twl_gpio_setup(struct device *dev, unsigned gpio,
> {
> int wlan_rst = gpio + 2;
>
> - if ((gpio_request(wlan_rst, "WLAN RST") == 0) &&
> - (gpio_direction_output(wlan_rst, 1) == 0)) {
> + if (gpio_request_one(wlan_rst, GPIOF_OUT_INIT_HIGH, "WLAN RST") == 0) {
> gpio_export(wlan_rst, 0);
> -
> udelay(10);
> gpio_set_value(wlan_rst, 0);
> udelay(10);
> diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c
> index a27e3ee..08f08e8 100644
> --- a/arch/arm/mach-omap2/board-cm-t3517.c
> +++ b/arch/arm/mach-omap2/board-cm-t3517.c
> @@ -148,14 +148,13 @@ static void __init cm_t3517_init_rtc(void)
> {
> int err;
>
> - err = gpio_request(RTC_CS_EN_GPIO, "rtc cs en");
> + err = gpio_request_one(RTC_CS_EN_GPIO, GPIOF_OUT_INIT_HIGH,
> + "rtc cs en");
> if (err) {
> pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err);
> return;
> }
>
> - gpio_direction_output(RTC_CS_EN_GPIO, 1);
> -
> platform_device_register(&cm_t3517_rtc_device);
> }
> #else
> @@ -182,11 +181,11 @@ static int cm_t3517_init_usbh(void)
> {
> int err;
>
> - err = gpio_request(USB_HUB_RESET_GPIO, "usb hub rst");
> + err = gpio_request_one(USB_HUB_RESET_GPIO, GPIOF_OUT_INIT_LOW,
> + "usb hub rst");
> if (err) {
> pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err);
> } else {
> - gpio_direction_output(USB_HUB_RESET_GPIO, 0);
> udelay(10);
> gpio_set_value(USB_HUB_RESET_GPIO, 1);
> msleep(1);
> diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
> index 405542a..3bd344a 100644
> --- a/arch/arm/mach-omap2/board-devkit8000.c
> +++ b/arch/arm/mach-omap2/board-devkit8000.c
> @@ -242,7 +242,7 @@ static int devkit8000_twl_gpio_setup(struct device *dev,
> /* TWL4030_GPIO_MAX + 0 is "LCD_PWREN" (out, active high) */
> devkit8000_lcd_device.reset_gpio = gpio + TWL4030_GPIO_MAX + 0;
> ret = gpio_request_one(devkit8000_lcd_device.reset_gpio,
> - GPIOF_DIR_OUT | GPIOF_INIT_LOW, "LCD_PWREN");
> + GPIOF_OUT_INIT_LOW, "LCD_PWREN");
> if (ret < 0) {
> devkit8000_lcd_device.reset_gpio = -EINVAL;
> printk(KERN_ERR "Failed to request GPIO for LCD_PWRN\n");
> @@ -251,7 +251,7 @@ static int devkit8000_twl_gpio_setup(struct device *dev,
> /* gpio + 7 is "DVI_PD" (out, active low) */
> devkit8000_dvi_device.reset_gpio = gpio + 7;
> ret = gpio_request_one(devkit8000_dvi_device.reset_gpio,
> - GPIOF_DIR_OUT | GPIOF_INIT_LOW, "DVI PowerDown");
> + GPIOF_OUT_INIT_LOW, "DVI PowerDown");
> if (ret < 0) {
> devkit8000_dvi_device.reset_gpio = -EINVAL;
> printk(KERN_ERR "Failed to request GPIO for DVI PowerDown\n");
> @@ -483,14 +483,14 @@ static void __init omap_dm9000_init(void)
> {
> unsigned char *eth_addr = omap_dm9000_platdata.dev_addr;
> struct omap_die_id odi;
> + int ret;
>
> - if (gpio_request(OMAP_DM9000_GPIO_IRQ, "dm9000 irq") < 0) {
> + ret = gpio_request_one(OMAP_DM9000_GPIO_IRQ, GPIOF_IN, "dm9000 irq");
> + if (ret < 0) {
> printk(KERN_ERR "Failed to request GPIO%d for dm9000 IRQ\n",
> OMAP_DM9000_GPIO_IRQ);
> return;
> - }
> -
> - gpio_direction_input(OMAP_DM9000_GPIO_IRQ);
> + }
>
> /* init the mac address using DIE id */
> omap_get_die_id(&odi);
> diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
> index 2c9a919..c62c297 100644
> --- a/arch/arm/mach-omap2/board-igep0020.c
> +++ b/arch/arm/mach-omap2/board-igep0020.c
> @@ -78,22 +78,22 @@ static void __init igep2_get_revision(void)
>
> omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
>
> - if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_HW0_REV") == 0) &&
> - (gpio_direction_input(IGEP2_GPIO_LED1_RED) == 0)) {
> - ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
> - if (ret == 0) {
> - pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
> - hwrev = IGEP2_BOARD_HWREV_C;
> - } else if (ret == 1) {
> - pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
> - hwrev = IGEP2_BOARD_HWREV_B;
> - } else {
> - pr_err("IGEP2: Unknown Hardware Revision\n");
> - hwrev = -1;
> - }
> - } else {
> + if (gpio_request_one(IGEP2_GPIO_LED1_RED, GPIOF_IN, "GPIO_HW0_REV")) {
> pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
> pr_err("IGEP2: Unknown Hardware Revision\n");
> + return;
> + }
> +
> + ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
> + if (ret == 0) {
> + pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
> + hwrev = IGEP2_BOARD_HWREV_C;
> + } else if (ret == 1) {
> + pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
> + hwrev = IGEP2_BOARD_HWREV_B;
> + } else {
> + pr_err("IGEP2: Unknown Hardware Revision\n");
> + hwrev = -1;
> }
>
> gpio_free(IGEP2_GPIO_LED1_RED);
> @@ -339,32 +339,35 @@ static void __init igep2_leds_init(void)
> }
>
> #else
> +static struct gpio igep2_gpio_leds[] __initdata = {
> + { IGEP2_GPIO_LED0_RED, GPIOF_OUT_INIT_LOW, "gpio-led:red:d0" },
> + { IGEP2_GPIO_LED0_GREEN, GPIOF_OUT_INIT_LOW, "gpio-led:green:d0" },
> + { IGEP2_GPIO_LED1_RED, GPIOF_OUT_INIT_LOW, "gpio-led:red:d1" },
> +};
> +
> static inline void igep2_leds_init(void)
> {
> - if ((gpio_request(IGEP2_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
> - (gpio_direction_output(IGEP2_GPIO_LED0_RED, 0) == 0))
> - gpio_export(IGEP2_GPIO_LED0_RED, 0);
> - else
> - pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
> -
> - if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
> - (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 0) == 0))
> - gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
> - else
> - pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
> -
> - if ((gpio_request(IGEP2_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
> - (gpio_direction_output(IGEP2_GPIO_LED1_RED, 0) == 0))
> - gpio_export(IGEP2_GPIO_LED1_RED, 0);
> - else
> - pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
> + if (gpio_request_array(igep2_gpio_leds, ARRAY_SIZE(igep2_gpio_leds))) {
> + pr_warning("IGEP v2: Could not obtain leds gpios\n");
> + return;
> + }
>
> + gpio_export(IGEP2_GPIO_LED0_RED, 0);
> + gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
> + gpio_export(IGEP2_GPIO_LED1_RED, 0);
> }
> #endif
>
> +static struct gpio igep2_twl_gpios[] = {
> + { -EINVAL, GPIOF_IN, "GPIO_EHCI_NOC" },
> + { -EINVAL, GPIOF_OUT_INIT_LOW, "GPIO_USBH_CPEN" },
> +};
> +
> static int igep2_twl_gpio_setup(struct device *dev,
> unsigned gpio, unsigned ngpio)
> {
> + int ret;
> +
> /* gpio + 0 is "mmc0_cd" (input/IRQ) */
> mmc[0].gpio_cd = gpio + 0;
> omap2_hsmmc_init(mmc);
> @@ -373,22 +376,20 @@ static int igep2_twl_gpio_setup(struct device *dev,
> * REVISIT: need ehci-omap hooks for external VBUS
> * power switch and overcurrent detect
> */
> - if ((gpio_request(gpio + 1, "GPIO_EHCI_NOC") < 0) ||
> - (gpio_direction_input(gpio + 1) < 0))
> - pr_err("IGEP2: Could not obtain gpio for EHCI NOC");
> + igep2_twl_gpios[0].gpio = gpio + 1;
>
> - /*
> - * TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN
> - * (out, active low)
> - */
> - if ((gpio_request(gpio + TWL4030_GPIO_MAX, "GPIO_USBH_CPEN") < 0) ||
> - (gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0) < 0))
> + /* TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN (out, active low) */
> + igep2_twl_gpios[1].gpio = gpio + TWL4030_GPIO_MAX;
> +
> + ret = gpio_request_array(igep2_twl_gpios, ARRAY_SIZE(igep2_twl_gpios));
> + if (ret < 0)
> pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
>
> /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
> #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
> - if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
> - && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0))
> + ret = gpio_request_one(gpio + TWL4030_GPIO_MAX + 1, GPIOF_OUT_INIT_HIGH,
> + "gpio-led:green:d1");
> + if (ret == 0)
> gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
> else
> pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_GREEN\n");
> @@ -469,8 +470,9 @@ static struct regulator_init_data igep2_vpll2 = {
>
> static void __init igep2_display_init(void)
> {
> - if (gpio_request(IGEP2_GPIO_DVI_PUP, "GPIO_DVI_PUP") &&
> - gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
> + int err = gpio_request_one(IGEP2_GPIO_DVI_PUP, GPIOF_OUT_INIT_HIGH,
> + "GPIO_DVI_PUP");
> + if (err)
> pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
> }
>
> @@ -577,44 +579,43 @@ static struct omap_board_mux board_mux[] __initdata = {
> #endif
>
> #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
> +static struct gpio igep2_wlan_bt_gpios[] __initdata = {
> + { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NPD" },
> + { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NRESET" },
> + { -EINVAL, GPIOF_OUT_INIT_HIGH, "GPIO_BT_NRESET" },
> +};
>
> static void __init igep2_wlan_bt_init(void)
> {
> - unsigned npd, wreset, btreset;
> + int err;
>
> /* GPIO's for WLAN-BT combo depends on hardware revision */
> if (hwrev == IGEP2_BOARD_HWREV_B) {
> - npd = IGEP2_RB_GPIO_WIFI_NPD;
> - wreset = IGEP2_RB_GPIO_WIFI_NRESET;
> - btreset = IGEP2_RB_GPIO_BT_NRESET;
> + igep2_wlan_bt_gpios[0].gpio = IGEP2_RB_GPIO_WIFI_NPD;
> + igep2_wlan_bt_gpios[1].gpio = IGEP2_RB_GPIO_WIFI_NRESET;
> + igep2_wlan_bt_gpios[2].gpio = IGEP2_RB_GPIO_BT_NRESET;
> } else if (hwrev == IGEP2_BOARD_HWREV_C) {
> - npd = IGEP2_RC_GPIO_WIFI_NPD;
> - wreset = IGEP2_RC_GPIO_WIFI_NRESET;
> - btreset = IGEP2_RC_GPIO_BT_NRESET;
> + igep2_wlan_bt_gpios[0].gpio = IGEP2_RC_GPIO_WIFI_NPD;
> + igep2_wlan_bt_gpios[1].gpio = IGEP2_RC_GPIO_WIFI_NRESET;
> + igep2_wlan_bt_gpios[2].gpio = IGEP2_RC_GPIO_BT_NRESET;
> } else
> return;
>
> - /* Set GPIO's for WLAN-BT combo module */
> - if ((gpio_request(npd, "GPIO_WIFI_NPD") == 0) &&
> - (gpio_direction_output(npd, 1) == 0)) {
> - gpio_export(npd, 0);
> - } else
> - pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NPD\n");
> -
> - if ((gpio_request(wreset, "GPIO_WIFI_NRESET") == 0) &&
> - (gpio_direction_output(wreset, 1) == 0)) {
> - gpio_export(wreset, 0);
> - gpio_set_value(wreset, 0);
> - udelay(10);
> - gpio_set_value(wreset, 1);
> - } else
> - pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NRESET\n");
> + err = gpio_request_array(igep2_wlan_bt_gpios,
> + ARRAY_SIZE(igep2_wlan_bt_gpios));
> + if (err) {
> + pr_warning("IGEP2: Could not obtain WIFI/BT gpios\n");
> + return;
> + }
> +
> + gpio_export(igep2_wlan_bt_gpios[0].gpio, 0);
> + gpio_export(igep2_wlan_bt_gpios[1].gpio, 0);
> + gpio_export(igep2_wlan_bt_gpios[2].gpio, 0);
> +
> + gpio_set_value(igep2_wlan_bt_gpios[1].gpio, 0);
> + udelay(10);
> + gpio_set_value(igep2_wlan_bt_gpios[1].gpio, 1);
>
> - if ((gpio_request(btreset, "GPIO_BT_NRESET") == 0) &&
> - (gpio_direction_output(btreset, 1) == 0)) {
> - gpio_export(btreset, 0);
> - } else
> - pr_warning("IGEP2: Could not obtain gpio GPIO_BT_NRESET\n");
> }
> #else
> static inline void __init igep2_wlan_bt_init(void) { }
> diff --git a/arch/arm/mach-omap2/board-igep0030.c b/arch/arm/mach-omap2/board-igep0030.c
> index 512a7eb..83f6be2 100644
> --- a/arch/arm/mach-omap2/board-igep0030.c
> +++ b/arch/arm/mach-omap2/board-igep0030.c
> @@ -269,49 +269,43 @@ static void __init igep3_leds_init(void)
> }
>
> #else
> +static struct gpio igep3_gpio_leds[] __initdata = {
> + { IGEP3_GPIO_LED0_RED, GPIOF_OUT_INIT_HIGH, "gpio-led:red:d0" },
> + { IGEP3_GPIO_LED0_GREEN, GPIOF_OUT_INIT_HIGH, "gpio-led:green:d0" },
> + { IGEP3_GPIO_LED1_RED, GPIOF_OUT_INIT_HIGH, "gpio-led:red:d1" },
> +};
> +
> static inline void igep3_leds_init(void)
> {
> - if ((gpio_request(IGEP3_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
> - (gpio_direction_output(IGEP3_GPIO_LED0_RED, 1) == 0)) {
> - gpio_export(IGEP3_GPIO_LED0_RED, 0);
> - gpio_set_value(IGEP3_GPIO_LED0_RED, 1);
> - } else
> - pr_warning("IGEP3: Could not obtain gpio GPIO_LED0_RED\n");
> -
> - if ((gpio_request(IGEP3_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
> - (gpio_direction_output(IGEP3_GPIO_LED0_GREEN, 1) == 0)) {
> - gpio_export(IGEP3_GPIO_LED0_GREEN, 0);
> - gpio_set_value(IGEP3_GPIO_LED0_GREEN, 1);
> - } else
> - pr_warning("IGEP3: Could not obtain gpio GPIO_LED0_GREEN\n");
> -
> - if ((gpio_request(IGEP3_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
> - (gpio_direction_output(IGEP3_GPIO_LED1_RED, 1) == 0)) {
> - gpio_export(IGEP3_GPIO_LED1_RED, 0);
> - gpio_set_value(IGEP3_GPIO_LED1_RED, 1);
> - } else
> - pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_RED\n");
> + if (gpio_request_array(igep3_gpio_leds, ARRAY_SIZE(igep3_gpio_leds))) {
> + pr_warning("IGEP3: Could not obtain leds gpios\n");
> + return;
> + }
> + gpio_export(IGEP3_GPIO_LED0_RED, 0);
> + gpio_export(IGEP3_GPIO_LED0_GREEN, 0);
> + gpio_export(IGEP3_GPIO_LED1_RED, 0);
> }
> #endif
>
> static int igep3_twl4030_gpio_setup(struct device *dev,
> unsigned gpio, unsigned ngpio)
> {
> - /* gpio + 0 is "mmc0_cd" (input/IRQ) */
> - mmc[0].gpio_cd = gpio + 0;
> - omap2_hsmmc_init(mmc);
> +#if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
> + int ret;
>
> /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
> -#if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
> - if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
> - && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0)) {
> - gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
> - gpio_set_value(gpio + TWL4030_GPIO_MAX + 1, 0);
> - } else
> + ret = gpio_request_one(gpio + TWL4030_GPIO_MAX + 1, GPIOF_OUT_INIT_HIGH,
> + "gpio-led:green:d1");
> + if (ret)
> pr_warning("IGEP3: Could not obtain gpio GPIO_LED1_GREEN\n");
> + else
> + gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
> #else
> igep3_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
> #endif
> + /* gpio + 0 is "mmc0_cd" (input/IRQ) */
> + mmc[0].gpio_cd = gpio + 0;
> + omap2_hsmmc_init(mmc);
>
> return 0;
> };
> @@ -358,35 +352,36 @@ static int __init igep3_i2c_init(void)
> }
>
> #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
> +static struct gpio igep3_wlan_bt_gpios[] __initdata = {
> + { IGEP3_GPIO_WIFI_NPD, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NPD" },
> + { IGEP3_GPIO_WIFI_NRESET, GPIOF_OUT_INIT_HIGH, "GPIO_WIFI_NRESET" },
> + { IGEP3_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH, "GPIO_BT_NRESET" },
> +};
>
> static void __init igep3_wifi_bt_init(void)
> {
> + int err;
> +
> /* Configure MUX values for W-LAN + Bluetooth GPIO's */
> omap_mux_init_gpio(IGEP3_GPIO_WIFI_NPD, OMAP_PIN_OUTPUT);
> omap_mux_init_gpio(IGEP3_GPIO_WIFI_NRESET, OMAP_PIN_OUTPUT);
> omap_mux_init_gpio(IGEP3_GPIO_BT_NRESET, OMAP_PIN_OUTPUT);
>
> /* Set GPIO's for W-LAN + Bluetooth combo module */
> - if ((gpio_request(IGEP3_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) &&
> - (gpio_direction_output(IGEP3_GPIO_WIFI_NPD, 1) == 0)) {
> - gpio_export(IGEP3_GPIO_WIFI_NPD, 0);
> - } else
> - pr_warning("IGEP3: Could not obtain gpio GPIO_WIFI_NPD\n");
> -
> - if ((gpio_request(IGEP3_GPIO_WIFI_NRESET, "GPIO_WIFI_NRESET") == 0) &&
> - (gpio_direction_output(IGEP3_GPIO_WIFI_NRESET, 1) == 0)) {
> - gpio_export(IGEP3_GPIO_WIFI_NRESET, 0);
> - gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 0);
> - udelay(10);
> - gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 1);
> - } else
> - pr_warning("IGEP3: Could not obtain gpio GPIO_WIFI_NRESET\n");
> -
> - if ((gpio_request(IGEP3_GPIO_BT_NRESET, "GPIO_BT_NRESET") == 0) &&
> - (gpio_direction_output(IGEP3_GPIO_BT_NRESET, 1) == 0)) {
> - gpio_export(IGEP3_GPIO_BT_NRESET, 0);
> - } else
> - pr_warning("IGEP3: Could not obtain gpio GPIO_BT_NRESET\n");
> + err = gpio_request_array(igep3_wlan_bt_gpios,
> + ARRAY_SIZE(igep3_wlan_bt_gpios));
> + if (err) {
> + pr_warning("IGEP3: Could not obtain WIFI/BT gpios\n");
> + return;
> + }
> +
> + gpio_export(IGEP3_GPIO_WIFI_NPD, 0);
> + gpio_export(IGEP3_GPIO_WIFI_NRESET, 0);
> + gpio_export(IGEP3_GPIO_BT_NRESET, 0);
> +
> + gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 0);
> + udelay(10);
> + gpio_set_value(IGEP3_GPIO_WIFI_NRESET, 1);
> }
> #else
> void __init igep3_wifi_bt_init(void) {}
> diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
> index e710cd9..8d74318 100644
> --- a/arch/arm/mach-omap2/board-n8x0.c
> +++ b/arch/arm/mach-omap2/board-n8x0.c
> @@ -106,14 +106,13 @@ static void __init n8x0_usb_init(void)
> static char announce[] __initdata = KERN_INFO "TUSB 6010\n";
>
> /* PM companion chip power control pin */
> - ret = gpio_request(TUSB6010_GPIO_ENABLE, "TUSB6010 enable");
> + ret = gpio_request_one(TUSB6010_GPIO_ENABLE, GPIOF_OUT_INIT_LOW,
> + "TUSB6010 enable");
> if (ret != 0) {
> printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
> TUSB6010_GPIO_ENABLE);
> return;
> }
> - gpio_direction_output(TUSB6010_GPIO_ENABLE, 0);
> -
> tusb_set_power(0);
>
> ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
> @@ -494,8 +493,12 @@ static struct omap_mmc_platform_data mmc1_data = {
>
> static struct omap_mmc_platform_data *mmc_data[OMAP24XX_NR_MMC];
>
> -static void __init n8x0_mmc_init(void)
> +static struct gpio n810_emmc_gpios[] __initdata = {
> + { N810_EMMC_VSD_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vddf" },
> + { N810_EMMC_VIO_GPIO, GPIOF_OUT_INIT_LOW, "MMC slot 2 Vdd" },
> +};
>
> +static void __init n8x0_mmc_init(void)
> {
> int err;
>
> @@ -512,27 +515,18 @@ static void __init n8x0_mmc_init(void)
> mmc1_data.slots[1].ban_openended = 1;
> }
>
> - err = gpio_request(N8X0_SLOT_SWITCH_GPIO, "MMC slot switch");
> + err = gpio_request_one(N8X0_SLOT_SWITCH_GPIO, GPIOF_OUT_INIT_LOW,
> + "MMC slot switch");
> if (err)
> return;
>
> - gpio_direction_output(N8X0_SLOT_SWITCH_GPIO, 0);
> -
> if (machine_is_nokia_n810()) {
> - err = gpio_request(N810_EMMC_VSD_GPIO, "MMC slot 2 Vddf");
> - if (err) {
> - gpio_free(N8X0_SLOT_SWITCH_GPIO);
> - return;
> - }
> - gpio_direction_output(N810_EMMC_VSD_GPIO, 0);
> -
> - err = gpio_request(N810_EMMC_VIO_GPIO, "MMC slot 2 Vdd");
> + err = gpio_request_array(n810_emmc_gpios,
> + ARRAY_SIZE(n810_emmc_gpios));
> if (err) {
> gpio_free(N8X0_SLOT_SWITCH_GPIO);
> - gpio_free(N810_EMMC_VSD_GPIO);
> return;
> }
> - gpio_direction_output(N810_EMMC_VIO_GPIO, 0);
> }
>
> mmc_data[0] = &mmc1_data;
> diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
> index bc30ab0..3ff3a2c 100644
> --- a/arch/arm/mach-omap2/board-omap3beagle.c
> +++ b/arch/arm/mach-omap2/board-omap3beagle.c
> @@ -80,6 +80,12 @@ static u8 omap3_beagle_get_rev(void)
> return omap3_beagle_version;
> }
>
> +static struct gpio omap3_beagle_rev_gpios[] __initdata = {
> + { 171, GPIOF_IN, "rev_id_0" },
> + { 172, GPIOF_IN, "rev_id_1" },
> + { 173, GPIOF_IN, "rev_id_2" },
> +};
> +
> static void __init omap3_beagle_init_rev(void)
> {
> int ret;
> @@ -89,21 +95,13 @@ static void __init omap3_beagle_init_rev(void)
> omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
> omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
>
> - ret = gpio_request(171, "rev_id_0");
> - if (ret < 0)
> - goto fail0;
> -
> - ret = gpio_request(172, "rev_id_1");
> - if (ret < 0)
> - goto fail1;
> -
> - ret = gpio_request(173, "rev_id_2");
> - if (ret < 0)
> - goto fail2;
> -
> - gpio_direction_input(171);
> - gpio_direction_input(172);
> - gpio_direction_input(173);
> + ret = gpio_request_array(omap3_beagle_rev_gpios,
> + ARRAY_SIZE(omap3_beagle_rev_gpios));
> + if (ret < 0) {
> + printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
> + omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
> + return;
> + }
>
> beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1)
> | (gpio_get_value(173) << 2);
> @@ -129,18 +127,6 @@ static void __init omap3_beagle_init_rev(void)
> printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
> omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
> }
> -
> - return;
> -
> -fail2:
> - gpio_free(172);
> -fail1:
> - gpio_free(171);
> -fail0:
> - printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
> - omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
> -
> - return;
> }
>
> static struct mtd_partition omap3beagle_nand_partitions[] = {
> @@ -235,13 +221,10 @@ static void __init beagle_display_init(void)
> {
> int r;
>
> - r = gpio_request(beagle_dvi_device.reset_gpio, "DVI reset");
> - if (r < 0) {
> + r = gpio_request_one(beagle_dvi_device.reset_gpio, GPIOF_OUT_INIT_LOW,
> + "DVI reset");
> + if (r < 0)
> printk(KERN_ERR "Unable to get DVI reset GPIO\n");
> - return;
> - }
> -
> - gpio_direction_output(beagle_dvi_device.reset_gpio, 0);
> }
>
> #include "sdram-micron-mt46h32m32lf-6.h"
> @@ -268,7 +251,7 @@ static struct gpio_led gpio_leds[];
> static int beagle_twl_gpio_setup(struct device *dev,
> unsigned gpio, unsigned ngpio)
> {
> - int r;
> + int r, usb_pwr_level;
>
> if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
> mmc[0].gpio_wp = -EINVAL;
> @@ -287,66 +270,46 @@ static int beagle_twl_gpio_setup(struct device *dev,
> beagle_vmmc1_supply.dev = mmc[0].dev;
> beagle_vsim_supply.dev = mmc[0].dev;
>
> - /* REVISIT: need ehci-omap hooks for external VBUS
> - * power switch and overcurrent detect
> - */
> - if (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM) {
> - r = gpio_request(gpio + 1, "EHCI_nOC");
> - if (!r) {
> - r = gpio_direction_input(gpio + 1);
> - if (r)
> - gpio_free(gpio + 1);
> - }
> - if (r)
> - pr_err("%s: unable to configure EHCI_nOC\n", __func__);
> - }
> -
> /*
> * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
> * high / others active low)
> - */
> - gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
> - if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
> - gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
> - else
> - gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
> -
> - /* DVI reset GPIO is different between beagle revisions */
> - if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM)
> - beagle_dvi_device.reset_gpio = 129;
> - else
> - beagle_dvi_device.reset_gpio = 170;
> -
> - /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
> - gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
> -
> - /*
> - * gpio + 1 on Xm controls the TFP410's enable line (active low)
> - * gpio + 2 control varies depending on the board rev as follows:
> - * P7/P8 revisions(prototype): Camera EN
> - * A2+ revisions (production): LDO (supplies DVI, serial, led blocks)
> + * DVI reset GPIO is different between beagle revisions
> */
> if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
> - r = gpio_request(gpio + 1, "nDVI_PWR_EN");
> - if (!r) {
> - r = gpio_direction_output(gpio + 1, 0);
> - if (r)
> - gpio_free(gpio + 1);
> - }
> + usb_pwr_level = GPIOF_OUT_INIT_HIGH;
> + beagle_dvi_device.reset_gpio = 129;
> + /*
> + * gpio + 1 on Xm controls the TFP410's enable line (active low)
> + * gpio + 2 control varies depending on the board rev as below:
> + * P7/P8 revisions(prototype): Camera EN
> + * A2+ revisions (production): LDO (DVI, serial, led blocks)
> + */
> + r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
> + "nDVI_PWR_EN");
> if (r)
> pr_err("%s: unable to configure nDVI_PWR_EN\n",
> __func__);
> - r = gpio_request(gpio + 2, "DVI_LDO_EN");
> - if (!r) {
> - r = gpio_direction_output(gpio + 2, 1);
> - if (r)
> - gpio_free(gpio + 2);
> - }
> + r = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
> + "DVI_LDO_EN");
> if (r)
> pr_err("%s: unable to configure DVI_LDO_EN\n",
> __func__);
> + } else {
> + usb_pwr_level = GPIOF_OUT_INIT_LOW;
> + beagle_dvi_device.reset_gpio = 170;
> + /*
> + * REVISIT: need ehci-omap hooks for external VBUS
> + * power switch and overcurrent detect
> + */
> + if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
> + pr_err("%s: unable to configure EHCI_nOC\n", __func__);
> }
>
> + gpio_request_one(gpio + TWL4030_GPIO_MAX, usb_pwr_level, "nEN_USB_PWR");
> +
> + /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
> + gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
> +
> return 0;
> }
>
> @@ -608,9 +571,8 @@ static void __init omap3_beagle_init(void)
> omap_serial_init();
>
> omap_mux_init_gpio(170, OMAP_PIN_INPUT);
> - gpio_request(170, "DVI_nPD");
> /* REVISIT leave DVI powered down until it's needed ... */
> - gpio_direction_output(170, true);
> + gpio_request_one(170, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
>
> usb_musb_init(NULL);
> usbhs_init(&usbhs_bdata);
> diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
> index 5066b0b..02e1ad2 100644
> --- a/arch/arm/mach-omap2/board-omap3evm.c
> +++ b/arch/arm/mach-omap2/board-omap3evm.c
> @@ -149,6 +149,15 @@ static inline void __init omap3evm_init_smsc911x(void) { return; }
> #define OMAP3EVM_LCD_PANEL_BKLIGHT_GPIO 210
> #define OMAP3EVM_DVI_PANEL_EN_GPIO 199
>
> +static struct gpio omap3_evm_dss_gpios[] __initdata = {
> + { OMAP3EVM_LCD_PANEL_RESB, GPIOF_OUT_INIT_HIGH, "lcd_panel_resb" },
> + { OMAP3EVM_LCD_PANEL_INI, GPIOF_OUT_INIT_HIGH, "lcd_panel_ini" },
> + { OMAP3EVM_LCD_PANEL_QVGA, GPIOF_OUT_INIT_LOW, "lcd_panel_qvga" },
> + { OMAP3EVM_LCD_PANEL_LR, GPIOF_OUT_INIT_HIGH, "lcd_panel_lr" },
> + { OMAP3EVM_LCD_PANEL_UD, GPIOF_OUT_INIT_HIGH, "lcd_panel_ud" },
> + { OMAP3EVM_LCD_PANEL_ENVDD, GPIOF_OUT_INIT_LOW, "lcd_panel_envdd" },
> +};
> +
> static int lcd_enabled;
> static int dvi_enabled;
>
> @@ -156,61 +165,10 @@ static void __init omap3_evm_display_init(void)
> {
> int r;
>
> - r = gpio_request(OMAP3EVM_LCD_PANEL_RESB, "lcd_panel_resb");
> - if (r) {
> - printk(KERN_ERR "failed to get lcd_panel_resb\n");
> - return;
> - }
> - gpio_direction_output(OMAP3EVM_LCD_PANEL_RESB, 1);
> -
> - r = gpio_request(OMAP3EVM_LCD_PANEL_INI, "lcd_panel_ini");
> - if (r) {
> - printk(KERN_ERR "failed to get lcd_panel_ini\n");
> - goto err_1;
> - }
> - gpio_direction_output(OMAP3EVM_LCD_PANEL_INI, 1);
> -
> - r = gpio_request(OMAP3EVM_LCD_PANEL_QVGA, "lcd_panel_qvga");
> - if (r) {
> - printk(KERN_ERR "failed to get lcd_panel_qvga\n");
> - goto err_2;
> - }
> - gpio_direction_output(OMAP3EVM_LCD_PANEL_QVGA, 0);
> -
> - r = gpio_request(OMAP3EVM_LCD_PANEL_LR, "lcd_panel_lr");
> - if (r) {
> - printk(KERN_ERR "failed to get lcd_panel_lr\n");
> - goto err_3;
> - }
> - gpio_direction_output(OMAP3EVM_LCD_PANEL_LR, 1);
> -
> - r = gpio_request(OMAP3EVM_LCD_PANEL_UD, "lcd_panel_ud");
> - if (r) {
> - printk(KERN_ERR "failed to get lcd_panel_ud\n");
> - goto err_4;
> - }
> - gpio_direction_output(OMAP3EVM_LCD_PANEL_UD, 1);
> -
> - r = gpio_request(OMAP3EVM_LCD_PANEL_ENVDD, "lcd_panel_envdd");
> - if (r) {
> - printk(KERN_ERR "failed to get lcd_panel_envdd\n");
> - goto err_5;
> - }
> - gpio_direction_output(OMAP3EVM_LCD_PANEL_ENVDD, 0);
> -
> - return;
> -
> -err_5:
> - gpio_free(OMAP3EVM_LCD_PANEL_UD);
> -err_4:
> - gpio_free(OMAP3EVM_LCD_PANEL_LR);
> -err_3:
> - gpio_free(OMAP3EVM_LCD_PANEL_QVGA);
> -err_2:
> - gpio_free(OMAP3EVM_LCD_PANEL_INI);
> -err_1:
> - gpio_free(OMAP3EVM_LCD_PANEL_RESB);
> -
> + r = gpio_request_array(omap3_evm_dss_gpios,
> + ARRAY_SIZE(omap3_evm_dss_gpios));
> + if (r)
> + printk(KERN_ERR "failed to get lcd_panel_* gpios\n");
> }
>
> static int omap3_evm_enable_lcd(struct omap_dss_device *dssdev)
> @@ -400,7 +358,7 @@ static struct platform_device leds_gpio = {
> static int omap3evm_twl_gpio_setup(struct device *dev,
> unsigned gpio, unsigned ngpio)
> {
> - int r;
> + int r, lcd_bl_en;
>
> /* gpio + 0 is "mmc0_cd" (input/IRQ) */
> omap_mux_init_gpio(63, OMAP_PIN_INPUT);
> @@ -417,16 +375,14 @@ static int omap3evm_twl_gpio_setup(struct device *dev,
> */
>
> /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
> - r = gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
> - if (!r)
> - r = gpio_direction_output(gpio + TWL4030_GPIO_MAX,
> - (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) ? 1 : 0);
> + lcd_bl_en = get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2 ?
> + GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
> + r = gpio_request_one(gpio + TWL4030_GPIO_MAX, lcd_bl_en, "EN_LCD_BKL");
> if (r)
> printk(KERN_ERR "failed to get/set lcd_bkl gpio\n");
>
> /* gpio + 7 == DVI Enable */
> - gpio_request(gpio + 7, "EN_DVI");
> - gpio_direction_output(gpio + 7, 0);
> + gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
>
> /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
> gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
> @@ -717,6 +673,11 @@ static struct omap_musb_board_data musb_board_data = {
> .power = 100,
> };
>
> +static struct gpio omap3_evm_ehci_gpios[] __initdata = {
> + { OMAP3_EVM_EHCI_VBUS, GPIOF_OUT_INIT_HIGH, "enable EHCI VBUS" },
> + { OMAP3_EVM_EHCI_SELECT, GPIOF_OUT_INIT_LOW, "select EHCI port" },
> +};
> +
> static void __init omap3_evm_init(void)
> {
> omap3_evm_get_revision();
> @@ -740,16 +701,12 @@ static void __init omap3_evm_init(void)
>
> if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) {
> /* enable EHCI VBUS using GPIO22 */
> - omap_mux_init_gpio(22, OMAP_PIN_INPUT_PULLUP);
> - gpio_request(OMAP3_EVM_EHCI_VBUS, "enable EHCI VBUS");
> - gpio_direction_output(OMAP3_EVM_EHCI_VBUS, 0);
> - gpio_set_value(OMAP3_EVM_EHCI_VBUS, 1);
> -
> + omap_mux_init_gpio(OMAP3_EVM_EHCI_VBUS, OMAP_PIN_INPUT_PULLUP);
> /* Select EHCI port on main board */
> - omap_mux_init_gpio(61, OMAP_PIN_INPUT_PULLUP);
> - gpio_request(OMAP3_EVM_EHCI_SELECT, "select EHCI port");
> - gpio_direction_output(OMAP3_EVM_EHCI_SELECT, 0);
> - gpio_set_value(OMAP3_EVM_EHCI_SELECT, 0);
> + omap_mux_init_gpio(OMAP3_EVM_EHCI_SELECT,
> + OMAP_PIN_INPUT_PULLUP);
> + gpio_request_array(omap3_evm_ehci_gpios,
> + ARRAY_SIZE(omap3_evm_ehci_gpios));
>
> /* setup EHCI phy reset config */
> omap_mux_init_gpio(21, OMAP_PIN_INPUT_PULLUP);
> diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
> index 6c22d3f..78dd2a7 100644
> --- a/arch/arm/mach-omap2/board-omap3pandora.c
> +++ b/arch/arm/mach-omap2/board-omap3pandora.c
> @@ -305,24 +305,13 @@ static int omap3pandora_twl_gpio_setup(struct device *dev,
>
> /* gpio + 13 drives 32kHz buffer for wifi module */
> gpio_32khz = gpio + 13;
> - ret = gpio_request(gpio_32khz, "wifi 32kHz");
> + ret = gpio_request_one(gpio_32khz, GPIOF_OUT_INIT_HIGH, "wifi 32kHz");
> if (ret < 0) {
> pr_err("Cannot get GPIO line %d, ret=%d\n", gpio_32khz, ret);
> - goto fail;
> - }
> -
> - ret = gpio_direction_output(gpio_32khz, 1);
> - if (ret < 0) {
> - pr_err("Cannot set GPIO line %d, ret=%d\n", gpio_32khz, ret);
> - goto fail_direction;
> + return -ENODEV;
> }
>
> return 0;
> -
> -fail_direction:
> - gpio_free(gpio_32khz);
> -fail:
> - return -ENODEV;
> }
>
> static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
> @@ -584,14 +573,10 @@ static void __init pandora_wl1251_init(void)
>
> memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
>
> - ret = gpio_request(PANDORA_WIFI_IRQ_GPIO, "wl1251 irq");
> + ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
> if (ret < 0)
> goto fail;
>
> - ret = gpio_direction_input(PANDORA_WIFI_IRQ_GPIO);
> - if (ret < 0)
> - goto fail_irq;
> -
> pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
> if (pandora_wl1251_pdata.irq < 0)
> goto fail_irq;
> diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c
> index 9981d06..085c60a 100644
> --- a/arch/arm/mach-omap2/board-omap3stalker.c
> +++ b/arch/arm/mach-omap2/board-omap3stalker.c
> @@ -331,12 +331,11 @@ omap3stalker_twl_gpio_setup(struct device *dev,
> */
>
> /* TWL4030_GPIO_MAX + 0 == ledA, LCD Backlight control */
> - gpio_request(gpio + TWL4030_GPIO_MAX, "EN_LCD_BKL");
> - gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
> + gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
> + "EN_LCD_BKL");
>
> /* gpio + 7 == DVI Enable */
> - gpio_request(gpio + 7, "EN_DVI");
> - gpio_direction_output(gpio + 7, 0);
> + gpio_request_one(gpio + 7, GPIOF_OUT_INIT_LOW, "EN_DVI");
>
> /* TWL4030_GPIO_MAX + 1 == ledB (out, mmc0) */
> gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
> diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
> index 392278d..82872d7 100644
> --- a/arch/arm/mach-omap2/board-omap3touchbook.c
> +++ b/arch/arm/mach-omap2/board-omap3touchbook.c
> @@ -146,13 +146,11 @@ static int touchbook_twl_gpio_setup(struct device *dev,
> /* REVISIT: need ehci-omap hooks for external VBUS
> * power switch and overcurrent detect
> */
> -
> - gpio_request(gpio + 1, "EHCI_nOC");
> - gpio_direction_input(gpio + 1);
> + gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC");
>
> /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
> - gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
> - gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0);
> + gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
> + "nEN_USB_PWR");
>
> /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
> gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
> @@ -401,15 +399,10 @@ static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
>
> static void omap3_touchbook_poweroff(void)
> {
> - int r;
> + int pwr_off = TB_KILL_POWER_GPIO;
>
> - r = gpio_request(TB_KILL_POWER_GPIO, "DVI reset");
> - if (r < 0) {
> + if (gpio_request_one(pwr_off, GPIOF_OUT_INIT_LOW, "DVI reset") < 0)
> printk(KERN_ERR "Unable to get kill power GPIO\n");
> - return;
> - }
> -
> - gpio_direction_output(TB_KILL_POWER_GPIO, 0);
> }
>
> static int __init early_touchbook_revision(char *p)
> @@ -435,9 +428,8 @@ static void __init omap3_touchbook_init(void)
> omap_serial_init();
>
> omap_mux_init_gpio(170, OMAP_PIN_INPUT);
> - gpio_request(176, "DVI_nPD");
> /* REVISIT leave DVI powered down until it's needed ... */
> - gpio_direction_output(176, true);
> + gpio_request_one(176, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
>
> /* Touchscreen and accelerometer */
> omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata);
> diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c
> index 7eaad62..5d7c0a3 100644
> --- a/arch/arm/mach-omap2/board-omap4panda.c
> +++ b/arch/arm/mach-omap2/board-omap4panda.c
> @@ -112,6 +112,11 @@ static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
> .reset_gpio_port[2] = -EINVAL
> };
>
> +static struct gpio panda_ehci_gpios[] __initdata = {
> + { GPIO_HUB_POWER, GPIOF_OUT_INIT_LOW, "hub_power" },
> + { GPIO_HUB_NRESET, GPIOF_OUT_INIT_LOW, "hub_nreset" },
> +};
> +
> static void __init omap4_ehci_init(void)
> {
> int ret;
> @@ -121,44 +126,27 @@ static void __init omap4_ehci_init(void)
> phy_ref_clk = clk_get(NULL, "auxclk3_ck");
> if (IS_ERR(phy_ref_clk)) {
> pr_err("Cannot request auxclk3\n");
> - goto error1;
> + return;
> }
> clk_set_rate(phy_ref_clk, 19200000);
> clk_enable(phy_ref_clk);
>
> - /* disable the power to the usb hub prior to init */
> - ret = gpio_request(GPIO_HUB_POWER, "hub_power");
> + /* disable the power to the usb hub prior to init and reset phy+hub */
> + ret = gpio_request_array(panda_ehci_gpios,
> + ARRAY_SIZE(panda_ehci_gpios));
> if (ret) {
> - pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
> - goto error1;
> + pr_err("Unable to initialize EHCI power/reset\n");
> + return;
> }
> - gpio_export(GPIO_HUB_POWER, 0);
> - gpio_direction_output(GPIO_HUB_POWER, 0);
> - gpio_set_value(GPIO_HUB_POWER, 0);
>
> - /* reset phy+hub */
> - ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
> - if (ret) {
> - pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
> - goto error2;
> - }
> + gpio_export(GPIO_HUB_POWER, 0);
> gpio_export(GPIO_HUB_NRESET, 0);
> - gpio_direction_output(GPIO_HUB_NRESET, 0);
> - gpio_set_value(GPIO_HUB_NRESET, 0);
> gpio_set_value(GPIO_HUB_NRESET, 1);
>
> usbhs_init(&usbhs_bdata);
>
> /* enable power to hub */
> gpio_set_value(GPIO_HUB_POWER, 1);
> - return;
> -
> -error2:
> - gpio_free(GPIO_HUB_POWER);
> -error1:
> - pr_err("Unable to initialize EHCI power/reset\n");
> - return;
> -
> }
>
> static struct omap_musb_board_data musb_board_data = {
> @@ -638,27 +626,19 @@ static void omap4_panda_hdmi_mux_init(void)
> OMAP_PIN_INPUT_PULLUP);
> }
>
> +static struct gpio panda_hdmi_gpios[] = {
> + { HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd" },
> + { HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
> +};
> +
> static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
> {
> int status;
>
> - status = gpio_request_one(HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH,
> - "hdmi_gpio_hpd");
> - if (status) {
> - pr_err("Cannot request GPIO %d\n", HDMI_GPIO_HPD);
> - return status;
> - }
> - status = gpio_request_one(HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH,
> - "hdmi_gpio_ls_oe");
> - if (status) {
> - pr_err("Cannot request GPIO %d\n", HDMI_GPIO_LS_OE);
> - goto error1;
> - }
> -
> - return 0;
> -
> -error1:
> - gpio_free(HDMI_GPIO_HPD);
> + status = gpio_request_array(panda_hdmi_gpios,
> + ARRAY_SIZE(panda_hdmi_gpios));
> + if (status)
> + pr_err("Cannot request HDMI GPIOs\n");
>
> return status;
> }
> diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
> index e152c13..c03f92b 100644
> --- a/arch/arm/mach-omap2/board-overo.c
> +++ b/arch/arm/mach-omap2/board-overo.c
> @@ -151,21 +151,20 @@ static int dvi_enabled;
> #define OVERO_GPIO_LCD_EN 144
> #define OVERO_GPIO_LCD_BL 145
>
> +static struct gpio overo_dss_gpios[] __initdata = {
> + { OVERO_GPIO_LCD_EN, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_EN" },
> + { OVERO_GPIO_LCD_BL, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_BL" },
> +};
> +
> static void __init overo_display_init(void)
> {
> - if ((gpio_request(OVERO_GPIO_LCD_EN, "OVERO_GPIO_LCD_EN") == 0) &&
> - (gpio_direction_output(OVERO_GPIO_LCD_EN, 1) == 0))
> - gpio_export(OVERO_GPIO_LCD_EN, 0);
> - else
> - printk(KERN_ERR "could not obtain gpio for "
> - "OVERO_GPIO_LCD_EN\n");
> + if (gpio_request_array(overo_dss_gpios, ARRAY_SIZE(overo_dss_gpios))) {
> + printk(KERN_ERR "could not obtain DSS control GPIOs\n");
> + return;
> + }
>
> - if ((gpio_request(OVERO_GPIO_LCD_BL, "OVERO_GPIO_LCD_BL") == 0) &&
> - (gpio_direction_output(OVERO_GPIO_LCD_BL, 1) == 0))
> - gpio_export(OVERO_GPIO_LCD_BL, 0);
> - else
> - printk(KERN_ERR "could not obtain gpio for "
> - "OVERO_GPIO_LCD_BL\n");
> + gpio_export(OVERO_GPIO_LCD_EN, 0);
> + gpio_export(OVERO_GPIO_LCD_BL, 0);
> }
>
> static int overo_panel_enable_dvi(struct omap_dss_device *dssdev)
> @@ -553,8 +552,15 @@ static struct omap_board_mux board_mux[] __initdata = {
> };
> #endif
>
> +static struct gpio overo_bt_gpios[] __initdata = {
> + { OVERO_GPIO_BT_XGATE, GPIOF_OUT_INIT_LOW, "lcd enable" },
> + { OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH, "lcd bl enable" },
> +};
> +
> static void __init overo_init(void)
> {
> + int ret;
> +
> omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
> overo_i2c_init();
> omap_display_init(&overo_dss_data);
> @@ -574,9 +580,9 @@ static void __init overo_init(void)
> omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
> omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
>
> - if ((gpio_request(OVERO_GPIO_W2W_NRESET,
> - "OVERO_GPIO_W2W_NRESET") == 0) &&
> - (gpio_direction_output(OVERO_GPIO_W2W_NRESET, 1) == 0)) {
> + ret = gpio_request_one(OVERO_GPIO_W2W_NRESET, GPIOF_OUT_INIT_HIGH,
> + "OVERO_GPIO_W2W_NRESET");
> + if (ret == 0) {
> gpio_export(OVERO_GPIO_W2W_NRESET, 0);
> gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
> udelay(10);
> @@ -586,25 +592,20 @@ static void __init overo_init(void)
> "OVERO_GPIO_W2W_NRESET\n");
> }
>
> - if ((gpio_request(OVERO_GPIO_BT_XGATE, "OVERO_GPIO_BT_XGATE") == 0) &&
> - (gpio_direction_output(OVERO_GPIO_BT_XGATE, 0) == 0))
> + ret = gpio_request_array(overo_bt_gpios, ARRAY_SIZE(overo_bt_gpios));
> + if (ret) {
> + pr_err("%s: could not obtain BT gpios\n", __func__);
> + } else {
> gpio_export(OVERO_GPIO_BT_XGATE, 0);
> - else
> - printk(KERN_ERR "could not obtain gpio for OVERO_GPIO_BT_XGATE\n");
> -
> - if ((gpio_request(OVERO_GPIO_BT_NRESET, "OVERO_GPIO_BT_NRESET") == 0) &&
> - (gpio_direction_output(OVERO_GPIO_BT_NRESET, 1) == 0)) {
> gpio_export(OVERO_GPIO_BT_NRESET, 0);
> gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
> mdelay(6);
> gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
> - } else {
> - printk(KERN_ERR "could not obtain gpio for "
> - "OVERO_GPIO_BT_NRESET\n");
> }
>
> - if ((gpio_request(OVERO_GPIO_USBH_CPEN, "OVERO_GPIO_USBH_CPEN") == 0) &&
> - (gpio_direction_output(OVERO_GPIO_USBH_CPEN, 1) == 0))
> + ret = gpio_request_one(OVERO_GPIO_USBH_CPEN, GPIOF_OUT_INIT_HIGH,
> + "OVERO_GPIO_USBH_CPEN");
> + if (ret == 0)
> gpio_export(OVERO_GPIO_USBH_CPEN, 0);
> else
> printk(KERN_ERR "could not obtain gpio for "
> diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
> index a5bf5e9..2e509f9 100644
> --- a/arch/arm/mach-omap2/board-rx51-peripherals.c
> +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
> @@ -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;
> diff --git a/arch/arm/mach-omap2/board-rx51-video.c b/arch/arm/mach-omap2/board-rx51-video.c
> index 89a66db..1977733 100644
> --- a/arch/arm/mach-omap2/board-rx51-video.c
> +++ b/arch/arm/mach-omap2/board-rx51-video.c
> @@ -76,13 +76,12 @@ static int __init rx51_video_init(void)
> return 0;
> }
>
> - if (gpio_request(RX51_LCD_RESET_GPIO, "LCD ACX565AKM reset")) {
> + if (gpio_request_one(RX51_LCD_RESET_GPIO, GPIOF_OUT_INIT_HIGH,
> + "LCD ACX565AKM reset")) {
> pr_err("%s failed to get LCD Reset GPIO\n", __func__);
> return 0;
> }
>
> - gpio_direction_output(RX51_LCD_RESET_GPIO, 1);
> -
> omap_display_init(&rx51_dss_board_info);
> return 0;
> }
> diff --git a/arch/arm/mach-omap2/board-zoom-debugboard.c b/arch/arm/mach-omap2/board-zoom-debugboard.c
> index 2ee9ab9..6402e78 100644
> --- a/arch/arm/mach-omap2/board-zoom-debugboard.c
> +++ b/arch/arm/mach-omap2/board-zoom-debugboard.c
> @@ -77,12 +77,9 @@ static inline void __init zoom_init_quaduart(void)
>
> quart_gpio = ZOOM_QUADUART_GPIO;
>
> - if (gpio_request(quart_gpio, "TL16CP754C GPIO") < 0) {
> + if (gpio_request_one(quart_gpio, GPIOF_IN, "TL16CP754C GPIO") < 0)
> printk(KERN_ERR "Failed to request GPIO%d for TL16CP754C\n",
> quart_gpio);
> - return;
> - }
> - gpio_direction_input(quart_gpio);
> }
>
> static inline int omap_zoom_debugboard_detect(void)
> @@ -92,12 +89,12 @@ static inline int omap_zoom_debugboard_detect(void)
>
> debug_board_detect = ZOOM_SMSC911X_GPIO;
>
> - if (gpio_request(debug_board_detect, "Zoom debug board detect") < 0) {
> + if (gpio_request_one(debug_board_detect, GPIOF_IN,
> + "Zoom debug board detect") < 0) {
> printk(KERN_ERR "Failed to request GPIO%d for Zoom debug"
> "board detect\n", debug_board_detect);
> return 0;
> }
> - gpio_direction_input(debug_board_detect);
>
> if (!gpio_get_value(debug_board_detect)) {
> ret = 0;
> diff --git a/arch/arm/mach-omap2/board-zoom-display.c b/arch/arm/mach-omap2/board-zoom-display.c
> index 37b84c2..ce53e82 100644
> --- a/arch/arm/mach-omap2/board-zoom-display.c
> +++ b/arch/arm/mach-omap2/board-zoom-display.c
> @@ -21,34 +21,19 @@
> #define LCD_PANEL_RESET_GPIO_PILOT 55
> #define LCD_PANEL_QVGA_GPIO 56
>
> +static struct gpio zoom_lcd_gpios[] __initdata = {
> + { -EINVAL, GPIOF_OUT_INIT_HIGH, "lcd reset" },
> + { LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "lcd qvga" },
> +};
> +
> static void zoom_lcd_panel_init(void)
> {
> - int ret;
> - unsigned char lcd_panel_reset_gpio;
> -
> - lcd_panel_reset_gpio = (omap_rev() > OMAP3430_REV_ES3_0) ?
> + zoom_lcd_gpios[0].gpio = (omap_rev() > OMAP3430_REV_ES3_0) ?
> LCD_PANEL_RESET_GPIO_PROD :
> LCD_PANEL_RESET_GPIO_PILOT;
>
> - ret = gpio_request(lcd_panel_reset_gpio, "lcd reset");
> - if (ret) {
> - pr_err("Failed to get LCD reset GPIO (gpio%d).\n",
> - lcd_panel_reset_gpio);
> - return;
> - }
> - gpio_direction_output(lcd_panel_reset_gpio, 1);
> -
> - ret = gpio_request(LCD_PANEL_QVGA_GPIO, "lcd qvga");
> - if (ret) {
> - pr_err("Failed to get LCD_PANEL_QVGA_GPIO (gpio%d).\n",
> - LCD_PANEL_QVGA_GPIO);
> - goto err0;
> - }
> - gpio_direction_output(LCD_PANEL_QVGA_GPIO, 1);
> -
> - return;
> -err0:
> - gpio_free(lcd_panel_reset_gpio);
> + if (gpio_request_array(zoom_lcd_gpios, ARRAY_SIZE(zoom_lcd_gpios)))
> + pr_err("%s: Failed to get LCD GPIOs.\n", __func__);
> }
>
> static int zoom_panel_enable_lcd(struct omap_dss_device *dssdev)
> diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
> index 489294a..118c6f5 100644
> --- a/arch/arm/mach-omap2/board-zoom-peripherals.c
> +++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
> @@ -277,13 +277,11 @@ static int zoom_twl_gpio_setup(struct device *dev,
> zoom_vsim_supply.dev = mmc[0].dev;
> zoom_vmmc2_supply.dev = mmc[1].dev;
>
> - ret = gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd enable");
> - if (ret) {
> + ret = gpio_request_one(LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
> + "lcd enable");
> + if (ret)
> pr_err("Failed to get LCD_PANEL_ENABLE_GPIO (gpio%d).\n",
> LCD_PANEL_ENABLE_GPIO);
> - return ret;
> - }
> - gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);
>
> return ret;
> }
> diff --git a/arch/arm/mach-omap2/gpmc-smc91x.c b/arch/arm/mach-omap2/gpmc-smc91x.c
> index 877c6f5..ba10c24 100644
> --- a/arch/arm/mach-omap2/gpmc-smc91x.c
> +++ b/arch/arm/mach-omap2/gpmc-smc91x.c
> @@ -147,25 +147,24 @@ void __init gpmc_smc91x_init(struct omap_smc91x_platform_data *board_data)
> goto free1;
> }
>
> - if (gpio_request(gpmc_cfg->gpio_irq, "SMC91X irq") < 0)
> + if (gpio_request_one(gpmc_cfg->gpio_irq, GPIOF_IN, "SMC91X irq") < 0)
> goto free1;
>
> - gpio_direction_input(gpmc_cfg->gpio_irq);
> gpmc_smc91x_resources[1].start = gpio_to_irq(gpmc_cfg->gpio_irq);
>
> if (gpmc_cfg->gpio_pwrdwn) {
> - ret = gpio_request(gpmc_cfg->gpio_pwrdwn, "SMC91X powerdown");
> + ret = gpio_request_one(gpmc_cfg->gpio_pwrdwn,
> + GPIOF_OUT_INIT_LOW, "SMC91X powerdown");
> if (ret)
> goto free2;
> - gpio_direction_output(gpmc_cfg->gpio_pwrdwn, 0);
> }
>
> if (gpmc_cfg->gpio_reset) {
> - ret = gpio_request(gpmc_cfg->gpio_reset, "SMC91X reset");
> + ret = gpio_request_one(gpmc_cfg->gpio_reset,
> + GPIOF_OUT_INIT_LOW, "SMC91X reset");
> if (ret)
> goto free3;
>
> - gpio_direction_output(gpmc_cfg->gpio_reset, 0);
> gpio_set_value(gpmc_cfg->gpio_reset, 1);
> msleep(100);
> gpio_set_value(gpmc_cfg->gpio_reset, 0);
> diff --git a/arch/arm/mach-omap2/gpmc-smsc911x.c b/arch/arm/mach-omap2/gpmc-smsc911x.c
> index e09374a..9970331 100644
> --- a/arch/arm/mach-omap2/gpmc-smsc911x.c
> +++ b/arch/arm/mach-omap2/gpmc-smsc911x.c
> @@ -63,23 +63,22 @@ void __init gpmc_smsc911x_init(struct omap_smsc911x_platform_data *board_data)
> gpmc_smsc911x_resources[0].start = cs_mem_base + 0x0;
> gpmc_smsc911x_resources[0].end = cs_mem_base + 0xff;
>
> - if (gpio_request(gpmc_cfg->gpio_irq, "smsc911x irq") < 0) {
> + if (gpio_request_one(gpmc_cfg->gpio_irq, GPIOF_IN, "smsc911x irq")) {
> pr_err("Failed to request IRQ GPIO%d\n", gpmc_cfg->gpio_irq);
> goto free1;
> }
>
> - gpio_direction_input(gpmc_cfg->gpio_irq);
> gpmc_smsc911x_resources[1].start = gpio_to_irq(gpmc_cfg->gpio_irq);
>
> if (gpio_is_valid(gpmc_cfg->gpio_reset)) {
> - ret = gpio_request(gpmc_cfg->gpio_reset, "smsc911x reset");
> + ret = gpio_request_one(gpmc_cfg->gpio_reset,
> + GPIOF_OUT_INIT_HIGH, "smsc911x reset");
> if (ret) {
> pr_err("Failed to request reset GPIO%d\n",
> gpmc_cfg->gpio_reset);
> goto free2;
> }
>
> - gpio_direction_output(gpmc_cfg->gpio_reset, 1);
> gpio_set_value(gpmc_cfg->gpio_reset, 0);
> msleep(100);
> gpio_set_value(gpmc_cfg->gpio_reset, 1);
> diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c
> index 8a3c05f..8dd26b7 100644
> --- a/arch/arm/mach-omap2/usb-tusb6010.c
> +++ b/arch/arm/mach-omap2/usb-tusb6010.c
> @@ -293,12 +293,11 @@ tusb6010_setup_interface(struct musb_hdrc_platform_data *data,
> );
>
> /* IRQ */
> - status = gpio_request(irq, "TUSB6010 irq");
> + status = gpio_request_one(irq, GPIOF_IN, "TUSB6010 irq");
> if (status < 0) {
> printk(error, 3, status);
> return status;
> }
> - gpio_direction_input(irq);
> tusb_resources[2].start = irq + IH_GPIO_BASE;
>
> /* set up memory timings ... can speed them up later */
--
Regards,
Igor.
More information about the linux-arm-kernel
mailing list