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ACPI: Provide acpi_dev_name accessor for struct acpi_device device name

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struct acpi_device fields are only available when CONFIG_ACPI is set. We may
find use for dev_name(&adev->dev) in generic code that is build also without
CONFIG_ACPI is set but currently this requires #ifdef CONFIG_ACPI churn.

Provide here an accessor that returns dev_name of embedded struct device dev
in struct acpi_device or NULL depending on CONFIG_ACPI setting.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Jarkko Nikula 2013-11-14 14:03:51 +02:00 committed by Rafael J. Wysocki
parent a104b4d467
commit 45c42a7f58
1 changed files with 10 additions and 0 deletions
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10
include/linux/acpi.h
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@ -53,6 +53,11 @@ static inline acpi_handle acpi_device_handle(struct acpi_device *adev)
#define ACPI_COMPANION_SET(dev, adev) ACPI_COMPANION(dev) = (adev)
#define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev))
static inline const char *acpi_dev_name(struct acpi_device *adev)
{
return dev_name(&adev->dev);
}
enum acpi_irq_model_id {
ACPI_IRQ_MODEL_PIC = 0,
ACPI_IRQ_MODEL_IOAPIC,
@ -414,6 +419,11 @@ static inline bool acpi_driver_match_device(struct device *dev,
#define ACPI_COMPANION_SET(dev, adev) do { } while (0)
#define ACPI_HANDLE(dev) (NULL)
static inline const char *acpi_dev_name(struct acpi_device *adev)
{
return NULL;
}
static inline void acpi_early_init(void) { }
static inline int early_acpi_boot_init(void)