[PATCH v4 4/4] driver core: Add fwnode member to struct device_connection
From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Date: 2018-11-27 14:29:10
Also in:
linux-acpi, lkml
Subsystem:
driver core, kobjects, debugfs and sysfs, the rest · Maintainers:
Greg Kroah-Hartman, "Rafael J. Wysocki", Danilo Krummrich, Linus Torvalds
This will prepare the device connection API for connections described in firmware. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> --- include/linux/device.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/include/linux/device.h b/include/linux/device.h
index 1b25c7a43f4c..25e0409e0b0c 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h@@ -757,11 +757,17 @@ struct device_dma_parameters { /** * struct device_connection - Device Connection Descriptor + * @fwnode: The device node of the connected device * @endpoint: The names of the two devices connected together * @id: Unique identifier for the connection * @list: List head, private, for internal use only + * + * NOTE: @fwnode is not used together with @endpoint. @fwnode is used when + * platform firmware defines the connection. When the connection is registeded + * with device_connection_add() @endpoint is used instead. */ struct device_connection { + struct fwnode_handle *fwnode; const char *endpoint[2]; const char *id; struct list_head list;
--
2.19.2