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ARM: SAMSUNG: Add the missed s3c_gpio_getpull() API

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This patch adds the s3c_gpio_getpull() API that has been missed in the
plat-samsung/gpio-config.c and actullay there is its extern declaration
in plat/gpio-cfg.h.

Signed-off-by: Daein Moon <moon9124@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Daein Moon 2010-10-26 08:40:08 +09:00 committed by Kukjin Kim
parent d07dc60c6c
commit a6149c09c9
2 changed files with 25 additions and 0 deletions
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19
arch/arm/plat-samsung/gpio-config.c
View file

@ -111,6 +111,25 @@ int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)
}
EXPORT_SYMBOL(s3c_gpio_setpull);
s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin)
{
struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
unsigned long flags;
int offset;
u32 pup = 0;
if (chip) {
offset = pin - chip->chip.base;
s3c_gpio_lock(chip, flags);
pup = s3c_gpio_do_getpull(chip, offset);
s3c_gpio_unlock(chip, flags);
}
return (__force s3c_gpio_pull_t)pup;
}
EXPORT_SYMBOL(s3c_gpio_getpull);
#ifdef CONFIG_S3C_GPIO_CFG_S3C24XX
int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
unsigned int off, unsigned int cfg)

6
arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
View file

@ -42,6 +42,12 @@ static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip,
return (chip->config->set_pull)(chip, off, pull);
}
static inline s3c_gpio_pull_t s3c_gpio_do_getpull(struct s3c_gpio_chip *chip,
unsigned int off)
{
return chip->config->get_pull(chip, off);
}
/**
* s3c_gpio_setcfg_s3c24xx - S3C24XX style GPIO configuration.
* @chip: The gpio chip that is being configured.