diff options
author | Philipp Zabel <philipp.zabel@gmail.com> | 2011-04-28 22:19:32 +0200 |
---|---|---|
committer | Eric Miao <eric.y.miao@gmail.com> | 2011-07-11 14:43:31 +0800 |
commit | 4c738b2568340f5a99618d75293d7ee6a9267b1b (patch) | |
tree | e2e7c6accf587040f361f4f6d81423b237762522 /arch | |
parent | 6d49e6cfb2a199256ec851b1855dd86de83c5092 (diff) | |
download | linux-3.10-4c738b2568340f5a99618d75293d7ee6a9267b1b.tar.gz linux-3.10-4c738b2568340f5a99618d75293d7ee6a9267b1b.tar.bz2 linux-3.10-4c738b2568340f5a99618d75293d7ee6a9267b1b.zip |
ARM: pxa/mioa701: use gpio arrays for global and gsm gpios
gpio_request_array() / gpio_free_array() are functional replacements for
mio_gpio_request() / mio_gpio_free(), which are now obsolete.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/mach-pxa/mioa701.c | 70 |
1 files changed, 15 insertions, 55 deletions
diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c index e3470137c93..aa67637ae41 100644 --- a/arch/arm/mach-pxa/mioa701.c +++ b/arch/arm/mach-pxa/mioa701.c @@ -177,50 +177,6 @@ static unsigned long mioa701_pin_config[] = { MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), }; -#define MIO_GPIO_IN(num, _desc) \ - { .gpio = (num), .dir = 0, .desc = (_desc) } -#define MIO_GPIO_OUT(num, _init, _desc) \ - { .gpio = (num), .dir = 1, .init = (_init), .desc = (_desc) } -struct gpio_ress { - unsigned gpio : 8; - unsigned dir : 1; - unsigned init : 1; - char *desc; -}; - -static int mio_gpio_request(struct gpio_ress *gpios, int size) -{ - int i, rc = 0; - int gpio; - int dir; - - for (i = 0; (!rc) && (i < size); i++) { - gpio = gpios[i].gpio; - dir = gpios[i].dir; - rc = gpio_request(gpio, gpios[i].desc); - if (rc) { - printk(KERN_ERR "Error requesting GPIO %d(%s) : %d\n", - gpio, gpios[i].desc, rc); - continue; - } - if (dir) - gpio_direction_output(gpio, gpios[i].init); - else - gpio_direction_input(gpio); - } - while ((rc) && (--i >= 0)) - gpio_free(gpios[i].gpio); - return rc; -} - -static void mio_gpio_free(struct gpio_ress *gpios, int size) -{ - int i; - - for (i = 0; i < size; i++) - gpio_free(gpios[i].gpio); -} - /* LCD Screen and Backlight */ static struct platform_pwm_backlight_data mioa701_backlight_data = { .pwm_id = 0, @@ -346,16 +302,16 @@ irqreturn_t gsm_on_irq(int irq, void *p) return IRQ_HANDLED; } -struct gpio_ress gsm_gpios[] = { - MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"), - MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"), +static struct gpio gsm_gpios[] = { + { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" }, + { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" }, }; static int __init gsm_init(void) { int rc; - rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios)); + rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios)); if (rc) goto err_gpio; rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq, @@ -369,7 +325,7 @@ static int __init gsm_init(void) err_irq: printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n"); - mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios)); + gpio_free_array(ARRAY_AND_SIZE(gsm_gpios)); err_gpio: printk(KERN_ERR "Mioa701: gsm not available\n"); return rc; @@ -378,7 +334,7 @@ err_gpio: static void gsm_exit(void) { free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL); - mio_gpio_free(ARRAY_AND_SIZE(gsm_gpios)); + gpio_free_array(ARRAY_AND_SIZE(gsm_gpios)); } /* @@ -749,14 +705,16 @@ static void mioa701_restart(char c, const char *cmd) arm_machine_restart('s', cmd); } -static struct gpio_ress global_gpios[] = { - MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"), - MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"), - MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power"), +static struct gpio global_gpios[] = { + { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" }, + { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" }, + { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" }, }; static void __init mioa701_machine_init(void) { + int rc; + PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */ PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE; RTTR = 32768 - 1; /* Reset crazy WinCE value */ @@ -766,7 +724,9 @@ static void __init mioa701_machine_init(void) pxa_set_ffuart_info(NULL); pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); - mio_gpio_request(ARRAY_AND_SIZE(global_gpios)); + rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios)); + if (rc) + pr_err("MioA701: Failed to request GPIOs: %d", rc); bootstrap_init(); pxa_set_fb_info(NULL, &mioa701_pxafb_info); pxa_set_mci_info(&mioa701_mci_info); |