OMAP: DSS2: Remove pdev argument from dpi_init

dpi_init() does not use the pdev argument for anything. Remove it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/omap2/dss/core.c

@@ -191,7 +191,7 @@ static int omap_dss_probe(struct platform_device *pdev)
 		goto err_rfbi;
 	}
 
-	r = dpi_init(pdev);
+	r = dpi_init();
 	if (r) {
 		DSSERR("Failed to initialize dpi\n");
 		goto err_dpi;

drivers/video/omap2/dss/dpi.c

@@ -319,7 +319,7 @@ int dpi_init_display(struct omap_dss_device *dssdev)
 	return 0;
 }
 
-int dpi_init(struct platform_device *pdev)
+int dpi_init(void)
 {
 	return 0;
 }

drivers/video/omap2/dss/dss.h

@@ -309,11 +309,11 @@ static inline void dsi_wait_pll_hsdiv_dsi_active(void)
 
 /* DPI */
 #ifdef CONFIG_OMAP2_DSS_DPI
-int dpi_init(struct platform_device *pdev);
+int dpi_init(void);
 void dpi_exit(void);
 int dpi_init_display(struct omap_dss_device *dssdev);
 #else
-static inline int dpi_init(struct platform_device *pdev)
+static inline int dpi_init(void)
 {
 	return 0;
 }