drm: omapdrm: displays: Remove OF node check in panel drivers

No panel is instantiated through platform data anymore, there is no
need to check for OF node presence.
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/displays/panel-dpi.c

@@ -212,9 +212,6 @@ static int panel_dpi_probe(struct platform_device *pdev)
 	struct omap_dss_device *dssdev;
 	int r;
 
-	if (!pdev->dev.of_node)
-		return -ENODEV;
-
 	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
 	if (ddata == NULL)
 		return -ENOMEM;

drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c

@@ -1317,9 +1317,6 @@ static int dsicm_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, ddata);
 	ddata->pdev = pdev;
 
-	if (!pdev->dev.of_node)
-		return -ENODEV;
-
 	ddata->vm.hactive = 864;
 	ddata->vm.vactive = 480;
 	ddata->vm.pixelclock = 864 * 480 * 60;

drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c

@@ -268,9 +268,6 @@ static int lb035q02_panel_spi_probe(struct spi_device *spi)
 
 	ddata->spi = spi;
 
-	if (!spi->dev.of_node)
-		return -ENODEV;
-
 	r = lb035q02_probe_of(spi);
 	if (r)
 		return r;

drivers/gpu/drm/omapdrm/displays/panel-nec-nl8048hl11.c

@@ -277,9 +277,6 @@ static int nec_8048_probe(struct spi_device *spi)
 
 	ddata->spi = spi;
 
-	if (!spi->dev.of_node)
-		return -ENODEV;
-
 	r = nec_8048_probe_of(spi);
 	if (r)
 		return r;

drivers/gpu/drm/omapdrm/displays/panel-sharp-ls037v7dw01.c

@@ -268,9 +268,6 @@ static int sharp_ls_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, ddata);
 
-	if (!pdev->dev.of_node)
-		return -ENODEV;
-
 	r = sharp_ls_probe_of(pdev);
 	if (r)
 		return r;

drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c

@@ -720,9 +720,6 @@ static int acx565akm_probe(struct spi_device *spi)
 
 	dev_dbg(&spi->dev, "%s\n", __func__);
 
-	if (!spi->dev.of_node)
-		return -ENODEV;
-
 	spi->mode = SPI_MODE_3;
 
 	ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);

drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c

@@ -404,9 +404,6 @@ static int td028ttec1_panel_probe(struct spi_device *spi)
 
 	ddata->spi_dev = spi;
 
-	if (!spi->dev.of_node)
-		return -ENODEV;
-
 	r = td028ttec1_probe_of(spi);
 	if (r)
 		return r;

drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c

@@ -509,9 +509,6 @@ static int tpo_td043_probe(struct spi_device *spi)
 
 	ddata->spi = spi;
 
-	if (!spi->dev.of_node)
-		return -ENODEV;
-
 	r = tpo_td043_probe_of(spi);
 	if (r)
 		return r;