tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
authored by
Andy Shevchenko
and committed by
Bartosz Golaszewski
515321ac
1df62542
+12
+7
drivers/gpio/gpiolib-acpi.c
+7
drivers/gpio/gpiolib-acpi.c
···
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kfree(acpi_gpio);
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}
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void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev)
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{
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/* Set default fwnode to parent's one if present */
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if (gc->parent)
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ACPI_COMPANION_SET(&gdev->dev, ACPI_COMPANION(gc->parent));
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}
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static int acpi_gpio_package_count(const union acpi_object *obj)
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{
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const union acpi_object *element = obj->package.elements;
+4
drivers/gpio/gpiolib-acpi.h
+4
drivers/gpio/gpiolib-acpi.h
···
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void acpi_gpiochip_add(struct gpio_chip *chip);
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void acpi_gpiochip_remove(struct gpio_chip *chip);
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void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev);
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void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
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void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
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···
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#else
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static inline void acpi_gpiochip_add(struct gpio_chip *chip) { }
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static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { }
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static inline void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev) { }
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static inline void
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acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }