From 4c5bf4b51c9857e20c5f5e9d74b86aa1bd1def40 Mon Sep 17 00:00:00 2001
From: Chuanhong Guo <gch981213@gmail.com>
Date: Sun, 24 Apr 2022 11:25:25 +0800
Subject: [PATCH] mtd: nand: mtk-ecc: also parse nand-ecc-engine if available

The recently added ECC engine support introduced a generic property
named nand-ecc-engine for ecc engine phandle. This patch adds support
for this new property.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220424032527.673605-4-gch981213@gmail.com
---
 drivers/mtd/nand/ecc-mtk.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/ecc-mtk.c b/drivers/mtd/nand/ecc-mtk.c
index 491c2d66f8159..02c13778514d1 100644
--- a/drivers/mtd/nand/ecc-mtk.c
+++ b/drivers/mtd/nand/ecc-mtk.c
@@ -278,7 +278,10 @@ struct mtk_ecc *of_mtk_ecc_get(struct device_node *of_node)
 	struct mtk_ecc *ecc = NULL;
 	struct device_node *np;
 
-	np = of_parse_phandle(of_node, "ecc-engine", 0);
+	np = of_parse_phandle(of_node, "nand-ecc-engine", 0);
+	/* for backward compatibility */
+	if (!np)
+		np = of_parse_phandle(of_node, "ecc-engine", 0);
 	if (np) {
 		ecc = mtk_ecc_get(np);
 		of_node_put(np);
-- 
2.30.2