gma500: mdfld_dsi_output_init() drop unused parameter

Nobody uses 'config' parameter.

Signed-off-by: Kirill A. Shutemov <[e-mail]>
Signed-off-by: Alan Cox <[e-mail]>
Signed-off-by: Dave Airlie <[e-mail]>

drivers/gpu/drm/gma500/mdfld_dsi_output.c

···
  */
 void mdfld_dsi_output_init(struct drm_device *dev,
 			   int pipe,
-			   struct mdfld_dsi_config *config,
 			   const struct panel_funcs *p_vid_funcs)
 {
 	struct mdfld_dsi_config *dsi_config;
···
 
 	dsi_connector->pipe =  pipe;
 
-	/*set DSI config*/
-	if (config)
-		dsi_config = config;
-	else {
-		dsi_config = kzalloc(sizeof(struct mdfld_dsi_config),
-								GFP_KERNEL);
-		if (!dsi_config) {
-			DRM_ERROR("cannot allocate memory for DSI config\n");
-			goto dsi_init_err0;
-		}
-		mdfld_dsi_get_default_config(dev, dsi_config, pipe);
+	dsi_config = kzalloc(sizeof(struct mdfld_dsi_config),
+			GFP_KERNEL);
+	if (!dsi_config) {
+		DRM_ERROR("cannot allocate memory for DSI config\n");
+		goto dsi_init_err0;
 	}
+	mdfld_dsi_get_default_config(dev, dsi_config, pipe);
 
 	dsi_connector->private = dsi_config;
 

drivers/gpu/drm/gma500/mdfld_dsi_output.h

···
 					int level);
 extern void mdfld_dsi_output_init(struct drm_device *dev,
 					int pipe,
-					struct mdfld_dsi_config *config,
 					const struct panel_funcs *p_vid_funcs);
 extern void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config,
 					int pipe);

drivers/gpu/drm/gma500/mdfld_output.c

···
 {
 	switch (p_type) {
 	case TPO_VID:
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL,
-				&mdfld_tpo_vid_funcs);
+		mdfld_dsi_output_init(dev, mipi_pipe, &mdfld_tpo_vid_funcs);
 		break;
 	case TC35876X:
 		tc35876x_init(dev);
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL,
-				&mdfld_tc35876x_funcs);
+		mdfld_dsi_output_init(dev, mipi_pipe, &mdfld_tc35876x_funcs);
 		break;
 	case TMD_VID:
-		mdfld_dsi_output_init(dev, mipi_pipe, NULL,
-				&mdfld_tmd_vid_funcs);
+		mdfld_dsi_output_init(dev, mipi_pipe, &mdfld_tmd_vid_funcs);
 		break;
 	case HDMI:
 /*		if (dev_priv->mdfld_hdmi_present)