Commit cbdd865a authored by Heikki Krogerus's avatar Heikki Krogerus Committed by Rafael J. Wysocki
Browse files

ACPI: property: use cached name in acpi_fwnode_get_named_child_node() 



There is no need to re-evaluate the object name.

Signed-off-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 48778464

drivers/acpi/property.c

+2 −12
Original line number Diff line number Diff line
@@ -606,13 +606,7 @@ static struct fwnode_handle * 
acpi_fwnode_get_named_child_node(const struct fwnode_handle *fwnode,

				 const char *childname)

{

	char name[ACPI_PATH_SEGMENT_LENGTH];

	struct fwnode_handle *child;

	struct acpi_buffer path;

	acpi_status status;



	path.length = sizeof(name);

	path.pointer = name;



	fwnode_for_each_child_node(fwnode, child) {

		if (is_acpi_data_node(child)) {
@@ -621,12 +615,8 @@ acpi_fwnode_get_named_child_node(const struct fwnode_handle *fwnode, 
			continue;

		}



		status = acpi_get_name(ACPI_HANDLE_FWNODE(child),

				       ACPI_SINGLE_NAME, &path);

		if (ACPI_FAILURE(status))

			break;



		if (!strncmp(name, childname, ACPI_NAMESEG_SIZE))

		if (!strncmp(acpi_device_bid(to_acpi_device_node(child)),

			     childname, ACPI_NAMESEG_SIZE))

			return child;

	}