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gpio: make gpiochip_get_desc() gpiolib-private

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As GPIO descriptors are not going to remain unique anymore, having this
function public is not safe. Restrain its use to gpiolib since we have
no user outside of it.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Alexandre Courbot 2014-07-22 16:17:41 +09:00 committed by Linus Walleij
parent 14141a9352
commit 1bd6b601fe
4 changed files with 3 additions and 5 deletions
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2
drivers/gpio/gpiolib-of.c
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@ -23,7 +23,7 @@
#include <linux/pinctrl/pinctrl.h>
#include <linux/slab.h>
struct gpio_desc;
#include "gpiolib.h"
/* Private data structure for of_gpiochip_find_and_xlate */
struct gg_data {

1
drivers/gpio/gpiolib.c
View File

@ -82,7 +82,6 @@ struct gpio_desc *gpiochip_get_desc(struct gpio_chip *chip,
return &chip->desc[hwnum];
}
EXPORT_SYMBOL_GPL(gpiochip_get_desc);
/**
* Convert a GPIO descriptor to the integer namespace.

2
drivers/gpio/gpiolib.h
View File

@ -51,6 +51,8 @@ void gpiochip_free_own_desc(struct gpio_desc *desc);
struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np,
const char *list_name, int index, enum of_gpio_flags *flags);
struct gpio_desc *gpiochip_get_desc(struct gpio_chip *chip, u16 hwnum);
extern struct spinlock gpio_lock;
extern struct list_head gpio_chips;

3
include/linux/gpio/driver.h
View File

@ -151,9 +151,6 @@ void gpiod_unlock_as_irq(struct gpio_desc *desc);
struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc);
struct gpio_desc *gpiochip_get_desc(struct gpio_chip *chip,
u16 hwnum);
enum gpio_lookup_flags {
GPIO_ACTIVE_HIGH = (0 << 0),
GPIO_ACTIVE_LOW = (1 << 0),