OMAPDSS: remove DT hacks for regulators

For booting Panda and 4430SDP with DT, while DSS did not support DT, we
had to had small hacks in the omapdss driver to get the regulators. With
DT now supported in DSS, we can remove those hacks.
Signed-off-by: NTomi Valkeinen <tomi.valkeinen@ti.com>

drivers/video/omap2/dss/dsi.c

@@ -1160,18 +1160,11 @@ static int dsi_regulator_init(struct platform_device *dsidev)
 	if (dsi->vdds_dsi_reg != NULL)
 		return 0;
 
-	if (dsi->pdev->dev.of_node)
-		vdds_dsi = devm_regulator_get(&dsi->pdev->dev, "vdd");
-	else
-		vdds_dsi = devm_regulator_get(&dsi->pdev->dev, "vdds_dsi");
-
-	/* DT HACK: try VCXIO to make omapdss work for o4 sdp/panda */
-	if (IS_ERR(vdds_dsi))
-		vdds_dsi = devm_regulator_get(&dsi->pdev->dev, "VCXIO");
+	vdds_dsi = devm_regulator_get(&dsi->pdev->dev, "vdd");
 
 	if (IS_ERR(vdds_dsi)) {
 		if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER)
-			DSSERR("can't get VDDS_DSI regulator\n");
+			DSSERR("can't get DSI VDD regulator\n");
 		return PTR_ERR(vdds_dsi);
 	}
 

drivers/video/omap2/dss/hdmi4.c

@@ -88,18 +88,11 @@ static int hdmi_init_regulator(void)
 	if (hdmi.vdda_hdmi_dac_reg != NULL)
 		return 0;
 
-	if (hdmi.pdev->dev.of_node)
-		reg = devm_regulator_get(&hdmi.pdev->dev, "vdda");
-	else
-		reg = devm_regulator_get(&hdmi.pdev->dev, "vdda_hdmi_dac");
-
-	/* DT HACK: try VDAC to make omapdss work for o4 sdp/panda */
-	if (IS_ERR(reg))
-		reg = devm_regulator_get(&hdmi.pdev->dev, "VDAC");
+	reg = devm_regulator_get(&hdmi.pdev->dev, "vdda");
 
 	if (IS_ERR(reg)) {
 		if (PTR_ERR(reg) != -EPROBE_DEFER)
-			DSSERR("can't get VDDA_HDMI_DAC regulator\n");
+			DSSERR("can't get VDDA regulator\n");
 		return PTR_ERR(reg);
 	}