#include <linux/errno.h>
#include <linux/gpio/consumer.h>
+#include <linux/gpio/driver.h>
#include <linux/export.h>
-#include <linux/acpi_gpio.h>
#include <linux/acpi.h>
#include <linux/interrupt.h>
+#include "gpiolib.h"
+
struct acpi_gpio_evt_pin {
struct list_head node;
acpi_handle *evt_handle;
* gpio pins have acpi event methods and assigns interrupt handlers that calls
* the acpi event methods for those pins.
*/
-void acpi_gpiochip_request_interrupts(struct gpio_chip *chip)
+static void acpi_gpiochip_request_interrupts(struct gpio_chip *chip)
{
struct acpi_buffer buf = {ACPI_ALLOCATE_BUFFER, NULL};
struct acpi_resource *res;
irq);
}
}
-EXPORT_SYMBOL(acpi_gpiochip_request_interrupts);
/**
* acpi_gpiochip_free_interrupts() - Free GPIO _EVT ACPI event interrupts.
* The remaining ACPI event interrupts associated with the chip are freed
* automatically.
*/
-void acpi_gpiochip_free_interrupts(struct gpio_chip *chip)
+static void acpi_gpiochip_free_interrupts(struct gpio_chip *chip)
{
acpi_handle handle;
acpi_status status;
acpi_detach_data(handle, acpi_gpio_evt_dh);
kfree(evt_pins);
}
-EXPORT_SYMBOL(acpi_gpiochip_free_interrupts);
struct acpi_gpio_lookup {
struct acpi_gpio_info info;
if (lookup.desc && info)
*info = lookup.info;
- return lookup.desc ? lookup.desc : ERR_PTR(-ENODEV);
+ return lookup.desc ? lookup.desc : ERR_PTR(-ENOENT);
+}
+
+void acpi_gpiochip_add(struct gpio_chip *chip)
+{
+ acpi_gpiochip_request_interrupts(chip);
+}
+
+void acpi_gpiochip_remove(struct gpio_chip *chip)
+{
+ acpi_gpiochip_free_interrupts(chip);
}
-EXPORT_SYMBOL_GPL(acpi_get_gpiod_by_index);