drm/omap: acx565akm: remove non-DT support

Non-DT booting is no longer supported, so remove legacy code.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

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

@@ -32,8 +32,6 @@
 #include <linux/of.h>
 #include <linux/of_gpio.h>
 
-#include <video/omap-panel-data.h>
-
 #include "../dss/omapdss.h"
 
 #define MIPID_CMD_READ_DISP_ID		0x04
@@ -69,7 +67,6 @@ struct panel_drv_data {
 	struct omap_dss_device *in;
 
 	int reset_gpio;
-	int datapairs;
 
 	struct videomode vm;
 
@@ -547,9 +544,6 @@ static int acx565akm_panel_power_on(struct omap_dss_device *dssdev)
 
 	in->ops.sdi->set_timings(in, &ddata->vm);
 
-	if (ddata->datapairs > 0)
-		in->ops.sdi->set_datapairs(in, ddata->datapairs);
-
 	r = in->ops.sdi->enable(in);
 	if (r) {
 		pr_err("%s sdi enable failed\n", __func__);
@@ -701,32 +695,6 @@ static struct omap_dss_driver acx565akm_ops = {
 	.get_resolution	= omapdss_default_get_resolution,
 };
 
-static int acx565akm_probe_pdata(struct spi_device *spi)
-{
-	const struct panel_acx565akm_platform_data *pdata;
-	struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
-	struct omap_dss_device *dssdev, *in;
-
-	pdata = dev_get_platdata(&spi->dev);
-
-	ddata->reset_gpio = pdata->reset_gpio;
-
-	in = omap_dss_find_output(pdata->source);
-	if (in == NULL) {
-		dev_err(&spi->dev, "failed to find video source '%s'\n",
-				pdata->source);
-		return -EPROBE_DEFER;
-	}
-	ddata->in = in;
-
-	ddata->datapairs = pdata->datapairs;
-
-	dssdev = &ddata->dssdev;
-	dssdev->name = pdata->name;
-
-	return 0;
-}
-
 static int acx565akm_probe_of(struct spi_device *spi)
 {
 	struct panel_drv_data *ddata = dev_get_drvdata(&spi->dev);
@@ -766,18 +734,9 @@ static int acx565akm_probe(struct spi_device *spi)
 
 	mutex_init(&ddata->mutex);
 
-	if (dev_get_platdata(&spi->dev)) {
-		r = acx565akm_probe_pdata(spi);
-		if (r)
-			return r;
-	} else if (spi->dev.of_node) {
 	r = acx565akm_probe_of(spi);
 	if (r)
 		return r;
-	} else {
-		dev_err(&spi->dev, "platform data missing!\n");
-		return -ENODEV;
-	}
 
 	if (gpio_is_valid(ddata->reset_gpio)) {
 		r = devm_gpio_request_one(&spi->dev, ddata->reset_gpio,