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gpio: acpi: Add managed variant of acpi_dev_add_driver_gpios()

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Introduce device managed variant of acpi_dev_add_driver_gpios() and its
counterpart acpi_dev_remove_driver_gpios().

The functions in most cases are used in driver's ->probe() and
->remove() callbacks, that's why it's useful to have managed variant of
them.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rafael J. Wysocki <rjw@rjwysocki.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andy Shevchenko 2017-03-02 15:48:05 +02:00 • committed by Linus Walleij
parent ff21378a32
commit 85c73d50e5
2 changed files with 42 additions and 0 deletions
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11
include/linux/acpi.h
View file

@ -952,6 +952,10 @@ static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev)
adev->driver_gpios = NULL;
}
int devm_acpi_dev_add_driver_gpios(struct device *dev,
const struct acpi_gpio_mapping *gpios);
void devm_acpi_dev_remove_driver_gpios(struct device *dev);
int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index);
#else
static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
@ -961,6 +965,13 @@ static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
}
static inline void acpi_dev_remove_driver_gpios(struct acpi_device *adev) {}
static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
const struct acpi_gpio_mapping *gpios)
{
return -ENXIO;
}
static inline void devm_acpi_dev_remove_driver_gpios(struct device *dev) {}
static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
{
return -ENXIO;