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-rw-r--r--drivers/acpi/bus.c25
-rw-r--r--include/linux/acpi.h9
2 files changed, 30 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);
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 5ef126a0a50f..ffbc8c8f23d8 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -719,6 +719,9 @@ extern int acpi_nvs_register(__u64 start, __u64 size);
extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
void *data);
+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 *acpi_match_device(const struct acpi_device_id *ids,
const struct device *dev);
@@ -935,6 +938,12 @@ static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *),
struct acpi_device_id;
+static inline const struct acpi_device_id *acpi_match_acpi_device(
+ const struct acpi_device_id *ids, const struct acpi_device *adev)
+{
+ return NULL;
+}
+
static inline const struct acpi_device_id *acpi_match_device(
const struct acpi_device_id *ids, const struct device *dev)
{