[PATCH v4 1/2] acpi: add acpi_preset_companion() stub

[Dustin Byford <dustin@cumulusnetworks.com>]

Add a stub for acpi_preset_companion().  Fixes build failures when
acpi_preset_companion() is used and CONFIG_ACPI is not set.

Signed-off-by: Dustin Byford <dustin@cumulusnetworks.com>
---
 include/linux/acpi.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 51a96a8..66564f8 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -505,6 +505,12 @@ static inline bool has_acpi_companion(struct device *dev)
 	return false;
 }
 
+static inline void acpi_preset_companion(struct device *dev,
+					 struct acpi_device *parent, u64 addr)
+{
+	return;
+}
+
 static inline const char *acpi_dev_name(struct acpi_device *adev)
 {
 	return NULL;
-- 
2.1.4