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From:   Chuanhong Guo <gch981213@gmail.com>
To:     linux-spi@vger.kernel.org
Cc:     Chuanhong Guo <gch981213@gmail.com>,
        Mark Brown <broonie@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzk+dt@kernel.org>,
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        Richard Weinberger <richard@nod.at>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        Roger Quadros <rogerq@kernel.org>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Cai Huoqing <cai.huoqing@linux.dev>,
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        Wolfram Sang <wsa+renesas@sang-engineering.com>,
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        DEVICE TREE BINDINGS),
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Subject: [PATCH v3 3/5] mtd: nand: mtk-ecc: also parse nand-ecc-engine if available
Date:   Mon,  4 Apr 2022 21:18:16 +0800
Message-Id: <20220404131818.1817794-4-gch981213@gmail.com>
In-Reply-To: <20220404131818.1817794-1-gch981213@gmail.com>
References: <20220404131818.1817794-1-gch981213@gmail.com>
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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>
---
Change since v1:
  new patch
Change since v2: none
 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 74ddaa46ba7c..9f9b201fe706 100644
--- a/drivers/mtd/nand/ecc-mtk.c
+++ b/drivers/mtd/nand/ecc-mtk.c
@@ -279,7 +279,10 @@ 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);
-- 
2.35.1