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Diffstat (limited to 'include/linux/acpi.h')
-rw-r--r--include/linux/acpi.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 7aaf7315d33d..3e3247d95fd9 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -54,6 +54,12 @@ 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 void acpi_preset_companion(struct device *dev,
+ struct acpi_device *parent, u64 addr)
+{
+ ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
+}
+
static inline const char *acpi_dev_name(struct acpi_device *adev)
{
return dev_name(&adev->dev);