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-rw-r--r--target/linux/mediatek/patches-5.15/120-13-mtd-nand-mtk-ecc-also-parse-nand-ecc-engine-if-avail.patch35
1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.15/120-13-mtd-nand-mtk-ecc-also-parse-nand-ecc-engine-if-avail.patch b/target/linux/mediatek/patches-5.15/120-13-mtd-nand-mtk-ecc-also-parse-nand-ecc-engine-if-avail.patch
new file mode 100644
index 0000000000..80d482b6a5
--- /dev/null
+++ b/target/linux/mediatek/patches-5.15/120-13-mtd-nand-mtk-ecc-also-parse-nand-ecc-engine-if-avail.patch
@@ -0,0 +1,35 @@
+From 433b76fa0f3ca2865841abc21538dd8077ca3edd Mon Sep 17 00:00:00 2001
+From: Chuanhong Guo <gch981213@gmail.com>
+Date: Mon, 4 Apr 2022 00:05:38 +0800
+Subject: [PATCH 13/15] 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>
+(cherry picked from commit a41f25feb6e47c1c4d8d3279ae990ccbd8dfab54)
+---
+ 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 c64c3c45cdbc..79c7622af563 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
+