linux-kernel - [PATCH 03/22] media: entity: Convert media_entity_get_fwnode

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Date:   Mon,  5 Aug 2019 16:34:46 -0700
From:   Steve Longerbeam <slongerbeam@...il.com>
To:     linux-media@...r.kernel.org
Cc:     Steve Longerbeam <slongerbeam@...il.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 03/22] media: entity: Convert media_entity_get_fwnode_pad() args to const

The function media_entity_get_fwnode_pad() can be passed the
const local_fwnode member from a struct fwnode_endpoint, so
the fwnode argument should be a const pointer. Change the
direction_flags argument to const in the process.

Signed-off-by: Steve Longerbeam <slongerbeam@...il.com>
---
 drivers/media/mc/mc-entity.c | 4 ++--
 include/media/media-entity.h | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c
index 47a39d9383d8..e9e090244fd4 100644
--- a/drivers/media/mc/mc-entity.c
+++ b/drivers/media/mc/mc-entity.c
@@ -366,8 +366,8 @@ struct media_entity *media_graph_walk_next(struct media_graph *graph)
 EXPORT_SYMBOL_GPL(media_graph_walk_next);
 
 int media_entity_get_fwnode_pad(struct media_entity *entity,
-				struct fwnode_handle *fwnode,
-				unsigned long direction_flags)
+				const struct fwnode_handle *fwnode,
+				const unsigned long direction_flags)
 {
 	struct fwnode_endpoint endpoint;
 	int ret;
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index ed00adb4313b..de7fc3676b5a 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -886,8 +886,8 @@ struct media_pad *media_entity_remote_pad(const struct media_pad *pad);
  * Return: returns the pad number on success or a negative error code.
  */
 int media_entity_get_fwnode_pad(struct media_entity *entity,
-				struct fwnode_handle *fwnode,
-				unsigned long direction_flags);
+				const struct fwnode_handle *fwnode,
+				const unsigned long direction_flags);
 
 /**
  * media_graph_walk_init - Allocate resources used by graph walk.
-- 
2.17.1