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i2c: acpi: Introduce i2c_acpi_get_i2c_resource() helper

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Besides current two users one more is coming. Definitely makes sense to
introduce a helper.

No functional change intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Andy Shevchenko
2018-11-28 13:45:29 +02:00
parent 5f59d6a110
commit 0d5102fe85
2 changed files with 40 additions and 12 deletions
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11
include/linux/acpi.h
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@@ -1054,6 +1054,17 @@ static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index)
}
#endif
#if defined(CONFIG_ACPI) && IS_ENABLED(CONFIG_I2C)
bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares,
struct acpi_resource_i2c_serialbus **i2c);
#else
static inline bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares,
struct acpi_resource_i2c_serialbus **i2c)
{
return false;
}
#endif
/* Device properties */
#ifdef CONFIG_ACPI