dss_of_port_get_parent_device  278 drivers/video/fbdev/omap2/omapfb/dss/dss.h struct device_node *dss_of_port_get_parent_device(struct device_node *port);
dss_of_port_get_parent_device  130 drivers/video/fbdev/omap2/omapfb/dss/output.c 	src_node = dss_of_port_get_parent_device(port);