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authorIgor Grinberg <grinberg@compulab.co.il>2011-05-03 17:22:09 +0200
committerTony Lindgren <tony@atomide.com>2011-05-12 11:52:06 +0200
commitbc593f5d787d0a015539e21868302fb44a47c3e3 (patch)
tree75feac78712ae08e38b678c0dae62cb75765ddb0 /arch/arm/mach-omap2/board-omap3touchbook.c
parentomap: musb: introduce default board config (diff)
downloadlinux-bc593f5d787d0a015539e21868302fb44a47c3e3.tar.xz
linux-bc593f5d787d0a015539e21868302fb44a47c3e3.zip
arm: omap2plus: GPIO cleanup
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>
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3touchbook.c')
-rw-r--r--arch/arm/mach-omap2/board-omap3touchbook.c20
1 files changed, 6 insertions, 14 deletions
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
index 392278d9a882..82872d7d313b 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);