ACPI: bus: Introduce acpi_match_acpi_device() helper

Match the ACPI device against a given list of ACPI IDs.

Subsequent changes will make use of this.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Changelog edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 21 insertions, 4 deletions

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index e3e0bd0c5a50..8c086c87cbb6 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -851,6 +851,26 @@ out_acpi_match:
 }
 
 /**
+ * acpi_match_acpi_device - Match an ACPI device against a given list of ACPI IDs
+ * @ids: Array of struct acpi_device_id objects to match against.
+ * @adev: The ACPI device pointer to match.
+ *
+ * Match the ACPI device @adev against a given list of ACPI IDs @ids.
+ *
+ * Return:
+ * a pointer to the first matching ACPI ID on success or %NULL on failure.
+ */
+const struct acpi_device_id *acpi_match_acpi_device(const struct acpi_device_id *ids,
+						    const struct acpi_device *adev)
+{
+	const struct acpi_device_id *id = NULL;
+
+	__acpi_match_device(adev, ids, NULL, &id, NULL);
+	return id;
+}
+EXPORT_SYMBOL_GPL(acpi_match_acpi_device);
+
+/**
  * acpi_match_device - Match a struct device against a given list of ACPI IDs
  * @ids: Array of struct acpi_device_id object to match against.
  * @dev: The device structure to match.
@@ -864,10 +884,7 @@ out_acpi_match:
 const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
 					       const struct device *dev)
 {
-	const struct acpi_device_id *id = NULL;
-
-	__acpi_match_device(acpi_companion_match(dev), ids, NULL, &id, NULL);
-	return id;
+	return acpi_match_acpi_device(ids, acpi_companion_match(dev));
 }
 EXPORT_SYMBOL_GPL(acpi_match_device);