linux-stable/drivers/gpio/gpiolib-acpi.h
Andy Shevchenko 380c7ba392 gpiolib: Clean up headers
There is a few things done:
- include only the headers we are direct user of
- when pointer is in use, provide a forward declaration
- add missing headers
- group generic headers and subsystem headers
- sort each group alphabetically

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2023-03-06 12:33:02 +02:00

60 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* ACPI helpers for GPIO API
*
* Copyright (C) 2012,2019 Intel Corporation
*/
#ifndef GPIOLIB_ACPI_H
#define GPIOLIB_ACPI_H
#include <linux/err.h>
#include <linux/types.h>
#include <linux/gpio/consumer.h>
struct device;
struct fwnode_handle;
struct gpio_chip;
struct gpio_desc;
struct gpio_device;
#ifdef CONFIG_ACPI
void acpi_gpiochip_add(struct gpio_chip *chip);
void acpi_gpiochip_remove(struct gpio_chip *chip);
void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode,
const char *con_id,
unsigned int idx,
enum gpiod_flags *dflags,
unsigned long *lookupflags);
int acpi_gpio_count(struct device *dev, const char *con_id);
#else
static inline void acpi_gpiochip_add(struct gpio_chip *chip) { }
static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { }
static inline void
acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
static inline void
acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { }
static inline struct gpio_desc *
acpi_find_gpio(struct fwnode_handle *fwnode, const char *con_id,
unsigned int idx, enum gpiod_flags *dflags,
unsigned long *lookupflags)
{
return ERR_PTR(-ENOENT);
}
static inline int acpi_gpio_count(struct device *dev, const char *con_id)
{
return -ENODEV;
}
#endif
#endif /* GPIOLIB_ACPI_H */