drm/omap: dss: Rework output lookup by port node
The omap_dss_find_output_by_port_node() function defined in output.c looks up an output from its port node. To do so it needs to call helper functions from dss-of.c to lookup the port parent and the port number. As omap_dss_find_output_by_port_node() is only called by omapdss_of_find_source_for_first_ep() from dss-of.c this goes back and forth between the to source files and isn't very clear. Simplify the code by passing both the parent and the port number to omap_dss_find_output_by_port_node() instead of the port node, and rename the function to omap_dss_find_output_by_port(). Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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