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Subject[PATCH v2 4/9] device connection: Add fwnode member to struct device_connection
Date
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 5663003a95eb..1fb077f5a936 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 registered
+ * 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;
--
2.20.1
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