From 337a000671ee379de863a60f8507c6e72ed11cf8 Mon Sep 17 00:00:00 2001 From: Heikki Krogerus Date: Wed, 13 Feb 2019 10:45:52 +0300 Subject: [PATCH] UPSTREAM: device connection: Add fwnode member to struct device_connection This will prepare the device connection API for connections described in firmware. Acked-by: Hans de Goede Reviewed-by: Andy Shevchenko Reviewed-by: Jun Li Signed-off-by: Heikki Krogerus Signed-off-by: Greg Kroah-Hartman (cherry picked from commit 09aa11cfda9d8186046bcd1adcd6498b688114f4) Signed-off-by: Connor O'Brien Bug: 150958419 Change-Id: Ia44efefed94198c36b52624fb9e2f5cbf24a996c --- include/linux/device.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/device.h b/include/linux/device.h index ea20598a8294..b34047520407 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -770,11 +770,17 @@ 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;