Commit 837f92f0 authored by Jacopo Mondi's avatar Jacopo Mondi Committed by Mauro Carvalho Chehab

media: subdev: Add for_each_active_route() macro

Add a for_each_active_route() macro to replace the repeated pattern
of iterating on the active routes of a routing table.
Signed-off-by: default avatarJacopo Mondi <jacopo+renesas@jmondi.org>
Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent 17bb9bf8
......@@ -190,6 +190,7 @@ ForEachMacros:
- 'for_each_active_dev_scope'
- 'for_each_active_drhd_unit'
- 'for_each_active_iommu'
- 'for_each_active_route'
- 'for_each_aggr_pgid'
- 'for_each_available_child_of_node'
- 'for_each_bench'
......
......@@ -1239,6 +1239,26 @@ int v4l2_subdev_set_routing(struct v4l2_subdev *sd,
}
EXPORT_SYMBOL_GPL(v4l2_subdev_set_routing);
struct v4l2_subdev_route *
__v4l2_subdev_next_active_route(const struct v4l2_subdev_krouting *routing,
struct v4l2_subdev_route *route)
{
if (route)
++route;
else
route = &routing->routes[0];
for (; route < routing->routes + routing->num_routes; ++route) {
if (!(route->flags & V4L2_SUBDEV_ROUTE_FL_ACTIVE))
continue;
return route;
}
return NULL;
}
EXPORT_SYMBOL_GPL(__v4l2_subdev_next_active_route);
#endif /* CONFIG_VIDEO_V4L2_SUBDEV_API */
#endif /* CONFIG_MEDIA_CONTROLLER */
......
......@@ -1440,6 +1440,19 @@ int v4l2_subdev_set_routing(struct v4l2_subdev *sd,
struct v4l2_subdev_state *state,
const struct v4l2_subdev_krouting *routing);
struct v4l2_subdev_route *
__v4l2_subdev_next_active_route(const struct v4l2_subdev_krouting *routing,
struct v4l2_subdev_route *route);
/**
* for_each_active_route - iterate on all active routes of a routing table
* @routing: The routing table
* @route: The route iterator
*/
#define for_each_active_route(routing, route) \
for ((route) = NULL; \
((route) = __v4l2_subdev_next_active_route((routing), (route)));)
#endif /* CONFIG_VIDEO_V4L2_SUBDEV_API */
#endif /* CONFIG_MEDIA_CONTROLLER */
......
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