gpio: acpi: replace gpiochip_find() with gpio_device_find()

We're porting all users of gpiochip_find() to using gpio_device_find().
Update the ACPI GPIO code.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>

diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 17a86bd..2ad21f3 100644 (file)
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -143,7 +143,6 @@ static int acpi_gpiochip_find(struct gpio_chip *gc, void *data)
  */
 static struct gpio_desc *acpi_get_gpiod(char *path, unsigned int pin)
 {
-       struct gpio_chip *chip;
        acpi_handle handle;
        acpi_status status;
 
@@ -151,11 +150,16 @@ static struct gpio_desc *acpi_get_gpiod(char *path, unsigned int pin)
        if (ACPI_FAILURE(status))
                return ERR_PTR(-ENODEV);
 
-       chip = gpiochip_find(handle, acpi_gpiochip_find);
-       if (!chip)
+       struct gpio_device *gdev __free(gpio_device_put) =
+                               gpio_device_find(handle, acpi_gpiochip_find);
+       if (!gdev)
                return ERR_PTR(-EPROBE_DEFER);
 
-       return gpiochip_get_desc(chip, pin);
+       /*
+        * FIXME: keep track of the reference to the GPIO device somehow
+        * instead of putting it here.
+        */
+       return gpio_device_get_desc(gdev, pin);
 }
 
 /**