0006-tps65217-bl-Locate-backlight-node-correctly.patch

From 50df9ac6f1e696ce1abf7c19380659b530422c38 Mon Sep 17 00:00:00 2001
From: Pantelis Antoniou <panto@antoniou-consulting.com>
Date: Fri, 28 Dec 2012 16:54:51 +0200
Subject: [PATCH 006/184] tps65217-bl: Locate backlight node correctly.

When using overlays find_node doesn't work like it used to, because
the new nodes are inserted at the head of allnodes.

Use the correct function to locate the child node.

Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
---
 drivers/video/backlight/tps65217_bl.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/video/backlight/tps65217_bl.c b/drivers/video/backlight/tps65217_bl.c
index 69c1dfe..31a9203 100644
--- a/drivers/video/backlight/tps65217_bl.c
+++ b/drivers/video/backlight/tps65217_bl.c
@@ -247,12 +247,14 @@ tps65217_bl_parse_dt(struct platform_device *pdev, struct tps65217 **tpsp,
 
 	rnode = of_node_get(tps->dev->of_node);
 
-	node = of_find_node_by_name(rnode, "backlight");
+	node = of_get_child_by_name(rnode, "backlight");
 	of_node_put(rnode);
 	rnode = NULL;
 
-	if (!node)
+	if (!node) {
+		dev_err(&pdev->dev, "failed to find backlight node\n");
 		return ERR_PTR(-ENODEV);
+	}
 
 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
 	if (!pdata) {
@@ -339,8 +341,10 @@ static int tps65217_bl_probe(struct platform_device *pdev)
 
 	if (pdev->dev.of_node) {
 		pdata = tps65217_bl_parse_dt(pdev, &tps, &brightness);
-		if (IS_ERR(pdata))
+		if (IS_ERR(pdata)) {
+			dev_err(&pdev->dev, "DT parse failed.\n");
 			return PTR_ERR(pdata);
+		}
 	} else {
 		if (!pdev->dev.platform_data) {
 			dev_err(&pdev->dev, "no platform data provided\n");
-- 
1.8.2.1