diff mbox

[v2,05/11] ACPI: property: Allow direct graph endpoint references

Message ID 20180717141921.22625-6-sakari.ailus@linux.intel.com (mailing list archive)
State Accepted, archived
Delegated to: Rafael Wysocki
Headers show

Commit Message

Sakari Ailus July 17, 2018, 2:19 p.m. UTC
By using device and further data node references, allow direct references
to endpoints. These are of form

	Package() { \DEV, "portX", "endpointY" }

where X is the number of the port and Y is the number of the endpoint.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/acpi/property.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 19bdada644351..10af340eedd23 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -1122,9 +1122,9 @@  acpi_graph_get_remote_endpoint(const struct fwnode_handle *__fwnode)
 	if (ret)
 		return NULL;
 
-	/* Ensure this is a device node. */
+	/* Direct endpoint reference? */
 	if (!is_acpi_device_node(args.fwnode))
-		return NULL;
+		return args.nargs ? NULL : args.fwnode;
 
 	/*
 	 * Always require two arguments with the reference: port and