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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2021-03-09 11:37:34 +0200
committerBartosz Golaszewski <bgolaszewski@baylibre.com>2021-03-26 14:56:18 +0100
commit515321acb56e1360bce4c9d60c498ec126a669dc (patch)
treec34de1c01f789fa69b095bcf5055085fbe5497ec /drivers/gpio
parent1df62542e0161e828615d7ec233e68c18902b0dc (diff)
gpiolib: Introduce acpi_gpio_dev_init() and call it from core
In the ACPI case we may use the firmware node in the similar way as it's done for OF case. We may use that fwnode for other purposes in the future. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpiolib-acpi.c7
-rw-r--r--drivers/gpio/gpiolib-acpi.h4
-rw-r--r--drivers/gpio/gpiolib.c1
3 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 1aacd2a5a1fd..21750be9c489 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -1291,6 +1291,13 @@ void acpi_gpiochip_remove(struct gpio_chip *chip)
kfree(acpi_gpio);
}
+void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev)
+{
+ /* Set default fwnode to parent's one if present */
+ if (gc->parent)
+ ACPI_COMPANION_SET(&gdev->dev, ACPI_COMPANION(gc->parent));
+}
+
static int acpi_gpio_package_count(const union acpi_object *obj)
{
const union acpi_object *element = obj->package.elements;
diff --git a/drivers/gpio/gpiolib-acpi.h b/drivers/gpio/gpiolib-acpi.h
index e2edb632b2cc..e476558d9471 100644
--- a/drivers/gpio/gpiolib-acpi.h
+++ b/drivers/gpio/gpiolib-acpi.h
@@ -36,6 +36,8 @@ struct acpi_gpio_info {
void acpi_gpiochip_add(struct gpio_chip *chip);
void acpi_gpiochip_remove(struct gpio_chip *chip);
+void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev);
+
void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
@@ -58,6 +60,8 @@ int acpi_gpio_count(struct device *dev, const char *con_id);
static inline void acpi_gpiochip_add(struct gpio_chip *chip) { }
static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { }
+static inline void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev) { }
+
static inline void
acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 90ead10bc086..84b0a83f87ed 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -591,6 +591,7 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
gc->gpiodev = gdev;
of_gpio_dev_init(gc, gdev);
+ acpi_gpio_dev_init(gc, gdev);
/*
* Assign fwnode depending on the result of the previous calls,