diff mbox series

[v1,3/4] gpiolib: Introduce acpi_gpio_dev_init() and call it from core

Message ID 20210302153451.50593-3-andriy.shevchenko@linux.intel.com
State New
Headers show
Series [v1,1/4] gpiolib: Unify the checks on fwnode type | expand

Commit Message

Andy Shevchenko March 2, 2021, 3:34 p.m. UTC 
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>
---
 drivers/gpio/gpiolib-acpi.c | 7 +++++++
 drivers/gpio/gpiolib-acpi.h | 4 ++++
 drivers/gpio/gpiolib.c      | 1 +
 3 files changed, 12 insertions(+)

Comments

Linus Walleij March 3, 2021, 9:16 a.m. UTC | #1 
On Tue, Mar 2, 2021 at 4:36 PM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:

> 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>

Yours,
Linus Walleij
diff mbox series

Patch

diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 495f779b2ab9..27a4a4e0a48d 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 4af8a8c1316e..6827736ba05c 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -590,6 +590,7 @@  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);
 
 	gdev->id = ida_alloc(&gpio_ida, GFP_KERNEL);
 	if (gdev->id < 0) {