drm: omapdrm: dpi: Remove dpi_data port_initialized field

The dpi_data structure port_initialized field is used to check in the
cleanup path whether the DPI has been initialized. This can be performed
through the associated device_node data field instead. Remove the
port_initialized field.
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>

drivers/gpu/drm/omapdrm/dss/dpi.c

@@ -52,8 +52,6 @@ struct dpi_data {
 	int data_lines;
 
 	struct omap_dss_device output;
-
-	bool port_initialized;
 };
 
 static struct dpi_data *dpi_get_data_from_dssdev(struct omap_dss_device *dssdev)
@@ -786,8 +784,6 @@ int dpi_init_port(struct platform_device *pdev, struct device_node *port,
 
 	dpi_init_output_port(dpi, port);
 
-	dpi->port_initialized = true;
-
 	return 0;
 
 err_datalines:
@@ -800,7 +796,7 @@ void dpi_uninit_port(struct device_node *port)
 {
 	struct dpi_data *dpi = port->data;
 
-	if (!dpi->port_initialized)
+	if (!dpi)
 		return;
 
 	dpi_uninit_output_port(port);