Merge tag 'omapdss-for-3.10-fixes' of git://gitorious.org/linux-omap-dss2/linux into drm-next

OMAPDSS fixes for 3.10:

* Compilation fix when DSI is disabled in Kconfig
* Basic deferred probe support to fix DT boot

* tag 'omapdss-for-3.10-fixes' of git://gitorious.org/linux-omap-dss2/linux:
  OMAPDSS: TFP410: return EPROBE_DEFER if the i2c adapter not found
  OMAPDSS: VENC: Add error handling for venc_probe_pdata
  OMAPDSS: HDMI: Add error handling for hdmi_probe_pdata
  OMAPDSS: RFBI: Add error handling for rfbi_probe_pdata
  OMAPDSS: DSI: Add error handling for dsi_probe_pdata
  OMAPDSS: SDI: Add error handling for sdi_probe_pdata
  OMAPDSS: DPI: Add error handling for dpi_probe_pdata
  OMAPDSS: VENC: use platform_driver_register()
  OMAPDSS: HDMI: use platform_driver_register()
  OMAPDSS: RFBI: use platform_driver_register()
  OMAPDSS: DSI: use platform_driver_register()
  OMAPDSS: SDI: use platform_driver_register()
  OMAPDSS: DPI: use platform_driver_register()
  OMAPFB: defer probe if no displays
  OMAPFB: use module_platform_driver()
  OMAPDSS: Makefile: move omapfb after panels
  OMAPDSS: DPI: fix compilation if DSI not compiled in

drivers/video/omap2/Makefile

@@ -1,5 +1,5 @@
 obj-$(CONFIG_OMAP2_VRFB) += vrfb.o
 
 obj-$(CONFIG_OMAP2_DSS) += dss/
-obj-$(CONFIG_FB_OMAP2) += omapfb/
 obj-y += displays/
+obj-$(CONFIG_FB_OMAP2) += omapfb/

drivers/video/omap2/displays/panel-tfp410.c

@@ -135,7 +135,7 @@ static int tfp410_probe(struct omap_dss_device *dssdev)
 		if (!adapter) {
 			dev_err(&dssdev->dev, "Failed to get I2C adapter, bus %d\n",
 					i2c_bus_num);
-			return -EINVAL;
+			return -EPROBE_DEFER;
 		}
 
 		ddata->i2c_adapter = adapter;

drivers/video/omap2/dss/dpi.c

@@ -520,7 +520,7 @@ void omapdss_dpi_set_data_lines(struct omap_dss_device *dssdev, int data_lines)
 }
 EXPORT_SYMBOL(omapdss_dpi_set_data_lines);
 
-static int __init dpi_verify_dsi_pll(struct platform_device *dsidev)
+static int dpi_verify_dsi_pll(struct platform_device *dsidev)
 {
 	int r;
 
@@ -572,7 +572,7 @@ static enum omap_channel dpi_get_channel(void)
 	}
 }
 
-static int __init dpi_init_display(struct omap_dss_device *dssdev)
+static int dpi_init_display(struct omap_dss_device *dssdev)
 {
 	struct platform_device *dsidev;
 
@@ -607,7 +607,7 @@ static int __init dpi_init_display(struct omap_dss_device *dssdev)
 	return 0;
 }
 
-static struct omap_dss_device * __init dpi_find_dssdev(struct platform_device *pdev)
+static struct omap_dss_device *dpi_find_dssdev(struct platform_device *pdev)
 {
 	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
 	const char *def_disp_name = omapdss_get_default_display_name();
@@ -635,7 +635,7 @@ static struct omap_dss_device * __init dpi_find_dssdev(struct platform_device *p
 	return def_dssdev;
 }
 
-static void __init dpi_probe_pdata(struct platform_device *dpidev)
+static int dpi_probe_pdata(struct platform_device *dpidev)
 {
 	struct omap_dss_device *plat_dssdev;
 	struct omap_dss_device *dssdev;
@@ -644,11 +644,11 @@ static void __init dpi_probe_pdata(struct platform_device *dpidev)
 	plat_dssdev = dpi_find_dssdev(dpidev);
 
 	if (!plat_dssdev)
-		return;
+		return 0;
 
 	dssdev = dss_alloc_and_init_device(&dpidev->dev);
 	if (!dssdev)
-		return;
+		return -ENOMEM;
 
 	dss_copy_device_pdata(dssdev, plat_dssdev);
 
@@ -656,7 +656,7 @@ static void __init dpi_probe_pdata(struct platform_device *dpidev)
 	if (r) {
 		DSSERR("device %s init failed: %d\n", dssdev->name, r);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
 
 	r = omapdss_output_set_device(&dpi.output, dssdev);
@@ -664,7 +664,7 @@ static void __init dpi_probe_pdata(struct platform_device *dpidev)
 		DSSERR("failed to connect output to new device: %s\n",
 				dssdev->name);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
 
 	r = dss_add_device(dssdev);
@@ -672,11 +672,13 @@ static void __init dpi_probe_pdata(struct platform_device *dpidev)
 		DSSERR("device %s register failed: %d\n", dssdev->name, r);
 		omapdss_output_unset_device(&dpi.output);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
+
+	return 0;
 }
 
-static void __init dpi_init_output(struct platform_device *pdev)
+static void dpi_init_output(struct platform_device *pdev)
 {
 	struct omap_dss_output *out = &dpi.output;
 
@@ -696,13 +698,19 @@ static void __exit dpi_uninit_output(struct platform_device *pdev)
 	dss_unregister_output(out);
 }
 
-static int __init omap_dpi_probe(struct platform_device *pdev)
+static int omap_dpi_probe(struct platform_device *pdev)
 {
+	int r;
+
 	mutex_init(&dpi.lock);
 
 	dpi_init_output(pdev);
 
-	dpi_probe_pdata(pdev);
+	r = dpi_probe_pdata(pdev);
+	if (r) {
+		dpi_uninit_output(pdev);
+		return r;
+	}
 
 	return 0;
 }
@@ -717,6 +725,7 @@ static int __exit omap_dpi_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver omap_dpi_driver = {
+	.probe		= omap_dpi_probe,
 	.remove         = __exit_p(omap_dpi_remove),
 	.driver         = {
 		.name   = "omapdss_dpi",
@@ -726,7 +735,7 @@ static struct platform_driver omap_dpi_driver = {
 
 int __init dpi_init_platform_driver(void)
 {
-	return platform_driver_probe(&omap_dpi_driver, omap_dpi_probe);
+	return platform_driver_register(&omap_dpi_driver);
 }
 
 void __exit dpi_uninit_platform_driver(void)

drivers/video/omap2/dss/dsi.c

@@ -5225,7 +5225,7 @@ static enum omap_channel dsi_get_channel(int module_id)
 	}
 }
 
-static int __init dsi_init_display(struct omap_dss_device *dssdev)
+static int dsi_init_display(struct omap_dss_device *dssdev)
 {
 	struct platform_device *dsidev =
 			dsi_get_dsidev_from_id(dssdev->phy.dsi.module);
@@ -5366,7 +5366,7 @@ static int dsi_get_clocks(struct platform_device *dsidev)
 	return 0;
 }
 
-static struct omap_dss_device * __init dsi_find_dssdev(struct platform_device *pdev)
+static struct omap_dss_device *dsi_find_dssdev(struct platform_device *pdev)
 {
 	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
 	struct dsi_data *dsi = dsi_get_dsidrv_data(pdev);
@@ -5398,7 +5398,7 @@ static struct omap_dss_device * __init dsi_find_dssdev(struct platform_device *p
 	return def_dssdev;
 }
 
-static void __init dsi_probe_pdata(struct platform_device *dsidev)
+static int dsi_probe_pdata(struct platform_device *dsidev)
 {
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	struct omap_dss_device *plat_dssdev;
@@ -5408,11 +5408,11 @@ static void __init dsi_probe_pdata(struct platform_device *dsidev)
 	plat_dssdev = dsi_find_dssdev(dsidev);
 
 	if (!plat_dssdev)
-		return;
+		return 0;
 
 	dssdev = dss_alloc_and_init_device(&dsidev->dev);
 	if (!dssdev)
-		return;
+		return -ENOMEM;
 
 	dss_copy_device_pdata(dssdev, plat_dssdev);
 
@@ -5420,7 +5420,7 @@ static void __init dsi_probe_pdata(struct platform_device *dsidev)
 	if (r) {
 		DSSERR("device %s init failed: %d\n", dssdev->name, r);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
 
 	r = omapdss_output_set_device(&dsi->output, dssdev);
@@ -5428,7 +5428,7 @@ static void __init dsi_probe_pdata(struct platform_device *dsidev)
 		DSSERR("failed to connect output to new device: %s\n",
 				dssdev->name);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
 
 	r = dss_add_device(dssdev);
@@ -5436,11 +5436,13 @@ static void __init dsi_probe_pdata(struct platform_device *dsidev)
 		DSSERR("device %s register failed: %d\n", dssdev->name, r);
 		omapdss_output_unset_device(&dsi->output);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
+
+	return 0;
 }
 
-static void __init dsi_init_output(struct platform_device *dsidev)
+static void dsi_init_output(struct platform_device *dsidev)
 {
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	struct omap_dss_output *out = &dsi->output;
@@ -5456,7 +5458,7 @@ static void __init dsi_init_output(struct platform_device *dsidev)
 	dss_register_output(out);
 }
 
-static void __exit dsi_uninit_output(struct platform_device *dsidev)
+static void dsi_uninit_output(struct platform_device *dsidev)
 {
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	struct omap_dss_output *out = &dsi->output;
@@ -5465,7 +5467,7 @@ static void __exit dsi_uninit_output(struct platform_device *dsidev)
 }
 
 /* DSI1 HW IP initialisation */
-static int __init omap_dsihw_probe(struct platform_device *dsidev)
+static int omap_dsihw_probe(struct platform_device *dsidev)
 {
 	u32 rev;
 	int r, i;
@@ -5561,7 +5563,13 @@ static int __init omap_dsihw_probe(struct platform_device *dsidev)
 
 	dsi_init_output(dsidev);
 
-	dsi_probe_pdata(dsidev);
+	r = dsi_probe_pdata(dsidev);
+	if (r) {
+		dsi_runtime_put(dsidev);
+		dsi_uninit_output(dsidev);
+		pm_runtime_disable(&dsidev->dev);
+		return r;
+	}
 
 	dsi_runtime_put(dsidev);
 
@@ -5632,6 +5640,7 @@ static const struct dev_pm_ops dsi_pm_ops = {
 };
 
 static struct platform_driver omap_dsihw_driver = {
+	.probe		= omap_dsihw_probe,
 	.remove         = __exit_p(omap_dsihw_remove),
 	.driver         = {
 		.name   = "omapdss_dsi",
@@ -5642,7 +5651,7 @@ static struct platform_driver omap_dsihw_driver = {
 
 int __init dsi_init_platform_driver(void)
 {
-	return platform_driver_probe(&omap_dsihw_driver, omap_dsihw_probe);
+	return platform_driver_register(&omap_dsihw_driver);
 }
 
 void __exit dsi_uninit_platform_driver(void)

drivers/video/omap2/dss/dss.h

@@ -277,6 +277,12 @@ int sdi_init_platform_driver(void) __init;
 void sdi_uninit_platform_driver(void) __exit;
 
 /* DSI */
+
+typedef bool (*dsi_pll_calc_func)(int regn, int regm, unsigned long fint,
+		unsigned long pll, void *data);
+typedef bool (*dsi_hsdiv_calc_func)(int regm_dispc, unsigned long dispc,
+		void *data);
+
 #ifdef CONFIG_OMAP2_DSS_DSI
 
 struct dentry;
@@ -295,10 +301,6 @@ u8 dsi_get_pixel_size(enum omap_dss_dsi_pixel_format fmt);
 
 unsigned long dsi_get_pll_clkin(struct platform_device *dsidev);
 
-typedef bool (*dsi_pll_calc_func)(int regn, int regm, unsigned long fint,
-		unsigned long pll, void *data);
-typedef bool (*dsi_hsdiv_calc_func)(int regm_dispc, unsigned long dispc,
-		void *data);
 bool dsi_hsdiv_calc(struct platform_device *dsidev, unsigned long pll,
 		unsigned long out_min, dsi_hsdiv_calc_func func, void *data);
 bool dsi_pll_calc(struct platform_device *dsidev, unsigned long clkin,
@@ -358,6 +360,27 @@ static inline struct platform_device *dsi_get_dsidev_from_id(int module)
 {
 	return NULL;
 }
+
+static inline unsigned long dsi_get_pll_clkin(struct platform_device *dsidev)
+{
+	return 0;
+}
+
+static inline bool dsi_hsdiv_calc(struct platform_device *dsidev,
+		unsigned long pll, unsigned long out_min,
+		dsi_hsdiv_calc_func func, void *data)
+{
+	return false;
+}
+
+static inline bool dsi_pll_calc(struct platform_device *dsidev,
+		unsigned long clkin,
+		unsigned long pll_min, unsigned long pll_max,
+		dsi_pll_calc_func func, void *data)
+{
+	return false;
+}
+
 #endif
 
 /* DPI */

drivers/video/omap2/dss/hdmi.c

@@ -328,7 +328,7 @@ static void hdmi_runtime_put(void)
 	WARN_ON(r < 0 && r != -ENOSYS);
 }
 
-static int __init hdmi_init_display(struct omap_dss_device *dssdev)
+static int hdmi_init_display(struct omap_dss_device *dssdev)
 {
 	int r;
 
@@ -954,7 +954,7 @@ int hdmi_audio_config(struct omap_dss_audio *audio)
 
 #endif
 
-static struct omap_dss_device * __init hdmi_find_dssdev(struct platform_device *pdev)
+static struct omap_dss_device *hdmi_find_dssdev(struct platform_device *pdev)
 {
 	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
 	const char *def_disp_name = omapdss_get_default_display_name();
@@ -982,7 +982,7 @@ static struct omap_dss_device * __init hdmi_find_dssdev(struct platform_device *
 	return def_dssdev;
 }
 
-static void __init hdmi_probe_pdata(struct platform_device *pdev)
+static int hdmi_probe_pdata(struct platform_device *pdev)
 {
 	struct omap_dss_device *plat_dssdev;
 	struct omap_dss_device *dssdev;
@@ -992,11 +992,11 @@ static void __init hdmi_probe_pdata(struct platform_device *pdev)
 	plat_dssdev = hdmi_find_dssdev(pdev);
 
 	if (!plat_dssdev)
-		return;
+		return 0;
 
 	dssdev = dss_alloc_and_init_device(&pdev->dev);
 	if (!dssdev)
-		return;
+		return -ENOMEM;
 
 	dss_copy_device_pdata(dssdev, plat_dssdev);
 
@@ -1010,7 +1010,7 @@ static void __init hdmi_probe_pdata(struct platform_device *pdev)
 	if (r) {
 		DSSERR("device %s init failed: %d\n", dssdev->name, r);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
 
 	r = omapdss_output_set_device(&hdmi.output, dssdev);
@@ -1018,7 +1018,7 @@ static void __init hdmi_probe_pdata(struct platform_device *pdev)
 		DSSERR("failed to connect output to new device: %s\n",
 				dssdev->name);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
 
 	r = dss_add_device(dssdev);
@@ -1027,11 +1027,13 @@ static void __init hdmi_probe_pdata(struct platform_device *pdev)
 		omapdss_output_unset_device(&hdmi.output);
 		hdmi_uninit_display(dssdev);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
+
+	return 0;
 }
 
-static void __init hdmi_init_output(struct platform_device *pdev)
+static void hdmi_init_output(struct platform_device *pdev)
 {
 	struct omap_dss_output *out = &hdmi.output;
 
@@ -1052,7 +1054,7 @@ static void __exit hdmi_uninit_output(struct platform_device *pdev)
 }
 
 /* HDMI HW IP initialisation */
-static int __init omapdss_hdmihw_probe(struct platform_device *pdev)
+static int omapdss_hdmihw_probe(struct platform_device *pdev)
 {
 	struct resource *res;
 	int r;
@@ -1096,7 +1098,13 @@ static int __init omapdss_hdmihw_probe(struct platform_device *pdev)
 
 	dss_debugfs_create_file("hdmi", hdmi_dump_regs);
 
-	hdmi_probe_pdata(pdev);
+	r = hdmi_probe_pdata(pdev);
+	if (r) {
+		hdmi_panel_exit();
+		hdmi_uninit_output(pdev);
+		pm_runtime_disable(&pdev->dev);
+		return r;
+	}
 
 	return 0;
 }
@@ -1151,6 +1159,7 @@ static const struct dev_pm_ops hdmi_pm_ops = {
 };
 
 static struct platform_driver omapdss_hdmihw_driver = {
+	.probe		= omapdss_hdmihw_probe,
 	.remove         = __exit_p(omapdss_hdmihw_remove),
 	.driver         = {
 		.name   = "omapdss_hdmi",
@@ -1161,7 +1170,7 @@ static struct platform_driver omapdss_hdmihw_driver = {
 
 int __init hdmi_init_platform_driver(void)
 {
-	return platform_driver_probe(&omapdss_hdmihw_driver, omapdss_hdmihw_probe);
+	return platform_driver_register(&omapdss_hdmihw_driver);
 }
 
 void __exit hdmi_uninit_platform_driver(void)

drivers/video/omap2/dss/rfbi.c

@@ -943,13 +943,13 @@ void omapdss_rfbi_display_disable(struct omap_dss_device *dssdev)
 }
 EXPORT_SYMBOL(omapdss_rfbi_display_disable);
 
-static int __init rfbi_init_display(struct omap_dss_device *dssdev)
+static int rfbi_init_display(struct omap_dss_device *dssdev)
 {
 	rfbi.dssdev[dssdev->phy.rfbi.channel] = dssdev;
 	return 0;
 }
 
-static struct omap_dss_device * __init rfbi_find_dssdev(struct platform_device *pdev)
+static struct omap_dss_device *rfbi_find_dssdev(struct platform_device *pdev)
 {
 	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
 	const char *def_disp_name = omapdss_get_default_display_name();
@@ -977,7 +977,7 @@ static struct omap_dss_device * __init rfbi_find_dssdev(struct platform_device *
 	return def_dssdev;
 }
 
-static void __init rfbi_probe_pdata(struct platform_device *rfbidev)
+static int rfbi_probe_pdata(struct platform_device *rfbidev)
 {
 	struct omap_dss_device *plat_dssdev;
 	struct omap_dss_device *dssdev;
@@ -986,11 +986,11 @@ static void __init rfbi_probe_pdata(struct platform_device *rfbidev)
 	plat_dssdev = rfbi_find_dssdev(rfbidev);
 
 	if (!plat_dssdev)
-		return;
+		return 0;
 
 	dssdev = dss_alloc_and_init_device(&rfbidev->dev);
 	if (!dssdev)
-		return;
+		return -ENOMEM;
 
 	dss_copy_device_pdata(dssdev, plat_dssdev);
 
@@ -998,7 +998,7 @@ static void __init rfbi_probe_pdata(struct platform_device *rfbidev)
 	if (r) {
 		DSSERR("device %s init failed: %d\n", dssdev->name, r);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
 
 	r = omapdss_output_set_device(&rfbi.output, dssdev);
@@ -1006,7 +1006,7 @@ static void __init rfbi_probe_pdata(struct platform_device *rfbidev)
 		DSSERR("failed to connect output to new device: %s\n",
 				dssdev->name);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
 
 	r = dss_add_device(dssdev);
@@ -1014,11 +1014,13 @@ static void __init rfbi_probe_pdata(struct platform_device *rfbidev)
 		DSSERR("device %s register failed: %d\n", dssdev->name, r);
 		omapdss_output_unset_device(&rfbi.output);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
+
+	return 0;
 }
 
-static void __init rfbi_init_output(struct platform_device *pdev)
+static void rfbi_init_output(struct platform_device *pdev)
 {
 	struct omap_dss_output *out = &rfbi.output;
 
@@ -1039,7 +1041,7 @@ static void __exit rfbi_uninit_output(struct platform_device *pdev)
 }
 
 /* RFBI HW IP initialisation */
-static int __init omap_rfbihw_probe(struct platform_device *pdev)
+static int omap_rfbihw_probe(struct platform_device *pdev)
 {
 	u32 rev;
 	struct resource *rfbi_mem;
@@ -1091,7 +1093,12 @@ static int __init omap_rfbihw_probe(struct platform_device *pdev)
 
 	rfbi_init_output(pdev);
 
-	rfbi_probe_pdata(pdev);
+	r = rfbi_probe_pdata(pdev);
+	if (r) {
+		rfbi_uninit_output(pdev);
+		pm_runtime_disable(&pdev->dev);
+		return r;
+	}
 
 	return 0;
 
@@ -1135,6 +1142,7 @@ static const struct dev_pm_ops rfbi_pm_ops = {
 };
 
 static struct platform_driver omap_rfbihw_driver = {
+	.probe		= omap_rfbihw_probe,
 	.remove         = __exit_p(omap_rfbihw_remove),
 	.driver         = {
 		.name   = "omapdss_rfbi",
@@ -1145,7 +1153,7 @@ static struct platform_driver omap_rfbihw_driver = {
 
 int __init rfbi_init_platform_driver(void)
 {
-	return platform_driver_probe(&omap_rfbihw_driver, omap_rfbihw_probe);
+	return platform_driver_register(&omap_rfbihw_driver);
 }
 
 void __exit rfbi_uninit_platform_driver(void)

drivers/video/omap2/dss/sdi.c

@@ -248,7 +248,7 @@ void omapdss_sdi_set_datapairs(struct omap_dss_device *dssdev, int datapairs)
 }
 EXPORT_SYMBOL(omapdss_sdi_set_datapairs);
 
-static int __init sdi_init_display(struct omap_dss_device *dssdev)
+static int sdi_init_display(struct omap_dss_device *dssdev)
 {
 	DSSDBG("SDI init\n");
 
@@ -268,7 +268,7 @@ static int __init sdi_init_display(struct omap_dss_device *dssdev)
 	return 0;
 }
 
-static struct omap_dss_device * __init sdi_find_dssdev(struct platform_device *pdev)
+static struct omap_dss_device *sdi_find_dssdev(struct platform_device *pdev)
 {
 	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
 	const char *def_disp_name = omapdss_get_default_display_name();
@@ -296,7 +296,7 @@ static struct omap_dss_device * __init sdi_find_dssdev(struct platform_device *p
 	return def_dssdev;
 }
 
-static void __init sdi_probe_pdata(struct platform_device *sdidev)
+static int sdi_probe_pdata(struct platform_device *sdidev)
 {
 	struct omap_dss_device *plat_dssdev;
 	struct omap_dss_device *dssdev;
@@ -305,11 +305,11 @@ static void __init sdi_probe_pdata(struct platform_device *sdidev)
 	plat_dssdev = sdi_find_dssdev(sdidev);
 
 	if (!plat_dssdev)
-		return;
+		return 0;
 
 	dssdev = dss_alloc_and_init_device(&sdidev->dev);
 	if (!dssdev)
-		return;
+		return -ENOMEM;
 
 	dss_copy_device_pdata(dssdev, plat_dssdev);
 
@@ -317,7 +317,7 @@ static void __init sdi_probe_pdata(struct platform_device *sdidev)
 	if (r) {
 		DSSERR("device %s init failed: %d\n", dssdev->name, r);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
 
 	r = omapdss_output_set_device(&sdi.output, dssdev);
@@ -325,7 +325,7 @@ static void __init sdi_probe_pdata(struct platform_device *sdidev)
 		DSSERR("failed to connect output to new device: %s\n",
 				dssdev->name);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
 
 	r = dss_add_device(dssdev);
@@ -333,11 +333,13 @@ static void __init sdi_probe_pdata(struct platform_device *sdidev)
 		DSSERR("device %s register failed: %d\n", dssdev->name, r);
 		omapdss_output_unset_device(&sdi.output);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
+
+	return 0;
 }
 
-static void __init sdi_init_output(struct platform_device *pdev)
+static void sdi_init_output(struct platform_device *pdev)
 {
 	struct omap_dss_output *out = &sdi.output;
 
@@ -357,11 +359,17 @@ static void __exit sdi_uninit_output(struct platform_device *pdev)
 	dss_unregister_output(out);
 }
 
-static int __init omap_sdi_probe(struct platform_device *pdev)
+static int omap_sdi_probe(struct platform_device *pdev)
 {
+	int r;
+
 	sdi_init_output(pdev);
 
-	sdi_probe_pdata(pdev);
+	r = sdi_probe_pdata(pdev);
+	if (r) {
+		sdi_uninit_output(pdev);
+		return r;
+	}
 
 	return 0;
 }
@@ -376,6 +384,7 @@ static int __exit omap_sdi_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver omap_sdi_driver = {
+	.probe		= omap_sdi_probe,
 	.remove         = __exit_p(omap_sdi_remove),
 	.driver         = {
 		.name   = "omapdss_sdi",
@@ -385,7 +394,7 @@ static struct platform_driver omap_sdi_driver = {
 
 int __init sdi_init_platform_driver(void)
 {
-	return platform_driver_probe(&omap_sdi_driver, omap_sdi_probe);
+	return platform_driver_register(&omap_sdi_driver);
 }
 
 void __exit sdi_uninit_platform_driver(void)

drivers/video/omap2/dss/venc.c

@@ -633,7 +633,7 @@ void omapdss_venc_invert_vid_out_polarity(struct omap_dss_device *dssdev,
 	mutex_unlock(&venc.venc_lock);
 }
 
-static int __init venc_init_display(struct omap_dss_device *dssdev)
+static int venc_init_display(struct omap_dss_device *dssdev)
 {
 	DSSDBG("init_display\n");
 
@@ -726,7 +726,7 @@ static int venc_get_clocks(struct platform_device *pdev)
 	return 0;
 }
 
-static struct omap_dss_device * __init venc_find_dssdev(struct platform_device *pdev)
+static struct omap_dss_device *venc_find_dssdev(struct platform_device *pdev)
 {
 	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
 	const char *def_disp_name = omapdss_get_default_display_name();
@@ -754,7 +754,7 @@ static struct omap_dss_device * __init venc_find_dssdev(struct platform_device *
 	return def_dssdev;
 }
 
-static void __init venc_probe_pdata(struct platform_device *vencdev)
+static int venc_probe_pdata(struct platform_device *vencdev)
 {
 	struct omap_dss_device *plat_dssdev;
 	struct omap_dss_device *dssdev;
@@ -763,11 +763,11 @@ static void __init venc_probe_pdata(struct platform_device *vencdev)
 	plat_dssdev = venc_find_dssdev(vencdev);
 
 	if (!plat_dssdev)
-		return;
+		return 0;
 
 	dssdev = dss_alloc_and_init_device(&vencdev->dev);
 	if (!dssdev)
-		return;
+		return -ENOMEM;
 
 	dss_copy_device_pdata(dssdev, plat_dssdev);
 
@@ -775,7 +775,7 @@ static void __init venc_probe_pdata(struct platform_device *vencdev)
 	if (r) {
 		DSSERR("device %s init failed: %d\n", dssdev->name, r);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
 
 	r = omapdss_output_set_device(&venc.output, dssdev);
@@ -783,7 +783,7 @@ static void __init venc_probe_pdata(struct platform_device *vencdev)
 		DSSERR("failed to connect output to new device: %s\n",
 				dssdev->name);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
 
 	r = dss_add_device(dssdev);
@@ -791,11 +791,13 @@ static void __init venc_probe_pdata(struct platform_device *vencdev)
 		DSSERR("device %s register failed: %d\n", dssdev->name, r);
 		omapdss_output_unset_device(&venc.output);
 		dss_put_device(dssdev);
-		return;
+		return r;
 	}
+
+	return 0;
 }
 
-static void __init venc_init_output(struct platform_device *pdev)
+static void venc_init_output(struct platform_device *pdev)
 {
 	struct omap_dss_output *out = &venc.output;
 
@@ -816,7 +818,7 @@ static void __exit venc_uninit_output(struct platform_device *pdev)
 }
 
 /* VENC HW IP initialisation */
-static int __init omap_venchw_probe(struct platform_device *pdev)
+static int omap_venchw_probe(struct platform_device *pdev)
 {
 	u8 rev_id;
 	struct resource *venc_mem;
@@ -864,7 +866,13 @@ static int __init omap_venchw_probe(struct platform_device *pdev)
 
 	venc_init_output(pdev);
 
-	venc_probe_pdata(pdev);
+	r = venc_probe_pdata(pdev);
+	if (r) {
+		venc_panel_exit();
+		venc_uninit_output(pdev);
+		pm_runtime_disable(&pdev->dev);
+		return r;
+	}
 
 	return 0;
 
@@ -922,6 +930,7 @@ static const struct dev_pm_ops venc_pm_ops = {
 };
 
 static struct platform_driver omap_venchw_driver = {
+	.probe		= omap_venchw_probe,
 	.remove         = __exit_p(omap_venchw_remove),
 	.driver         = {
 		.name   = "omapdss_venc",
@@ -932,7 +941,7 @@ static struct platform_driver omap_venchw_driver = {
 
 int __init venc_init_platform_driver(void)
 {
-	return platform_driver_probe(&omap_venchw_driver, omap_venchw_probe);
+	return platform_driver_register(&omap_venchw_driver);
 }
 
 void __exit venc_uninit_platform_driver(void)

drivers/video/omap2/omapfb/omapfb-main.c

@@ -2422,7 +2422,7 @@ static int omapfb_init_connections(struct omapfb2_device *fbdev,
 	return 0;
 }
 
-static int __init omapfb_probe(struct platform_device *pdev)
+static int omapfb_probe(struct platform_device *pdev)
 {
 	struct omapfb2_device *fbdev = NULL;
 	int r = 0;
@@ -2484,7 +2484,7 @@ static int __init omapfb_probe(struct platform_device *pdev)
 
 	if (fbdev->num_displays == 0) {
 		dev_err(&pdev->dev, "no displays\n");
-		r = -EINVAL;
+		r = -EPROBE_DEFER;
 		goto cleanup;
 	}
 
@@ -2595,6 +2595,7 @@ static int __exit omapfb_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver omapfb_driver = {
+	.probe		= omapfb_probe,
 	.remove         = __exit_p(omapfb_remove),
 	.driver         = {
 		.name   = "omapfb",
@@ -2602,36 +2603,13 @@ static struct platform_driver omapfb_driver = {
 	},
 };
 
-static int __init omapfb_init(void)
-{
-	DBG("omapfb_init\n");
-
-	if (platform_driver_probe(&omapfb_driver, omapfb_probe)) {
-		printk(KERN_ERR "failed to register omapfb driver\n");
-		return -ENODEV;
-	}
-
-	return 0;
-}
-
-static void __exit omapfb_exit(void)
-{
-	DBG("omapfb_exit\n");
-	platform_driver_unregister(&omapfb_driver);
-}
-
 module_param_named(mode, def_mode, charp, 0);
 module_param_named(vram, def_vram, charp, 0);
 module_param_named(rotate, def_rotate, int, 0);
 module_param_named(vrfb, def_vrfb, bool, 0);
 module_param_named(mirror, def_mirror, bool, 0);
 
-/* late_initcall to let panel/ctrl drivers loaded first.
- * I guess better option would be a more dynamic approach,
- * so that omapfb reacts to new panels when they are loaded */
-late_initcall(omapfb_init);
-/*module_init(omapfb_init);*/
-module_exit(omapfb_exit);
+module_platform_driver(omapfb_driver);
 
 MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>");
 MODULE_DESCRIPTION("OMAP2/3 Framebuffer");