[PATCH 1/3] mtd: nand: atmel: legacy: add 'algo' to use

[Wolfram Sang]

Fixes "WARNING: Unsupported ECC algorithm!" on my USB-A9G20.

Fixes: b6bcd96de5 ("mtd: nand: Update to Linux-5.9")
Signed-off-by: Wolfram Sang <wsa at kernel.org>
---

Or maybe we should make HAMMING the default fallback in nand_base.c?

 drivers/mtd/nand/atmel/legacy.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mtd/nand/atmel/legacy.c b/drivers/mtd/nand/atmel/legacy.c
index 44cd4d07e8..ea1fd64ad8 100644
--- a/drivers/mtd/nand/atmel/legacy.c
+++ b/drivers/mtd/nand/atmel/legacy.c
@@ -1246,6 +1246,10 @@ static int __init atmel_nand_probe(struct device *dev)
 		nand_chip->ecc.mode = NAND_ECC_HW;
 	}
 
+	if (pdata->ecc_mode == NAND_ECC_SOFT) {
+		nand_chip->ecc.algo = NAND_ECC_ALGO_HAMMING;
+	}
+
 	nand_chip->legacy.chip_delay = 40;		/* 40us command delay time */
 
 	if (IS_ENABLED(CONFIG_NAND_ECC_BCH) &&
-- 
2.35.1