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ARM: pxa/mioa701: use gpio arrays for global and gsm gpios

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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>
This commit is contained in:
Philipp Zabel 2011-04-28 22:19:32 +02:00 committed by Eric Miao
parent 6d49e6cfb2
commit 4c738b2568
1 changed files with 15 additions and 55 deletions
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70
arch/arm/mach-pxa/mioa701.c
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@ -177,50 +177,6 @@ static unsigned long mioa701_pin_config[] = {
MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), 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 */ /* LCD Screen and Backlight */
static struct platform_pwm_backlight_data mioa701_backlight_data = { static struct platform_pwm_backlight_data mioa701_backlight_data = {
.pwm_id = 0, .pwm_id = 0,
@ -346,16 +302,16 @@ irqreturn_t gsm_on_irq(int irq, void *p)
return IRQ_HANDLED; return IRQ_HANDLED;
} }
struct gpio_ress gsm_gpios[] = { static struct gpio gsm_gpios[] = {
MIO_GPIO_IN(GPIO25_GSM_MOD_ON_STATE, "GSM state"), { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" },
MIO_GPIO_IN(GPIO113_GSM_EVENT, "GSM event"), { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" },
}; };
static int __init gsm_init(void) static int __init gsm_init(void)
{ {
int rc; int rc;
rc = mio_gpio_request(ARRAY_AND_SIZE(gsm_gpios)); rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios));
if (rc) if (rc)
goto err_gpio; goto err_gpio;
rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq, 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: err_irq:
printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n"); 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: err_gpio:
printk(KERN_ERR "Mioa701: gsm not available\n"); printk(KERN_ERR "Mioa701: gsm not available\n");
return rc; return rc;
@ -378,7 +334,7 @@ err_gpio:
static void gsm_exit(void) static void gsm_exit(void)
{ {
free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL); 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); arm_machine_restart('s', cmd);
} }
static struct gpio_ress global_gpios[] = { static struct gpio global_gpios[] = {
MIO_GPIO_OUT(GPIO9_CHARGE_EN, 1, "Charger enable"), { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" },
MIO_GPIO_OUT(GPIO18_POWEROFF, 0, "Power Off"), { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" },
MIO_GPIO_OUT(GPIO87_LCD_POWER, 0, "LCD Power"), { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" },
}; };
static void __init mioa701_machine_init(void) static void __init mioa701_machine_init(void)
{ {
int rc;
PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */ PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */
PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE; PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE;
RTTR = 32768 - 1; /* Reset crazy WinCE value */ 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_ffuart_info(NULL);
pxa_set_btuart_info(NULL); pxa_set_btuart_info(NULL);
pxa_set_stuart_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(); bootstrap_init();
pxa_set_fb_info(NULL, &mioa701_pxafb_info); pxa_set_fb_info(NULL, &mioa701_pxafb_info);
pxa_set_mci_info(&mioa701_mci_info); pxa_set_mci_info(&mioa701_mci_info);