[PATCH v3] mtd: spinand: micron: correct bitmask for ecc status

From: Martin Kurbanov
Date: Tue Sep 05 2023 - 12:58:56 EST


Valid bitmask is 0x70 in the status register.

Fixes: a508e8875e13 ("mtd: spinand: Add initial support for Micron MT29F2G01ABAGD")
Signed-off-by: Martin Kurbanov <mmkurbanov@xxxxxxxxxxxxxx>
Reviewed-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>
---
Changes v3 since v2 at [1]:
- Remove the commit for fixing OOB layout.
- Add Fixes tag.

Changes v2 since v1 at [2]:
- Split into two individual patches.
- Remove the fix for using only non-protected ECC bytes from OOB area.

Links:
[1] https://lore.kernel.org/all/20230822122534.872646-1-mmkurbanov@xxxxxxxxxxxxxx/
[2] https://lore.kernel.org/all/20230815161024.810729-1-mmkurbanov@xxxxxxxxxxxxxx/

drivers/mtd/nand/spi/micron.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/spi/micron.c b/drivers/mtd/nand/spi/micron.c
index 50b7295bc922..12601bc4227a 100644
--- a/drivers/mtd/nand/spi/micron.c
+++ b/drivers/mtd/nand/spi/micron.c
@@ -12,7 +12,7 @@

#define SPINAND_MFR_MICRON 0x2c

-#define MICRON_STATUS_ECC_MASK GENMASK(7, 4)
+#define MICRON_STATUS_ECC_MASK GENMASK(6, 4)
#define MICRON_STATUS_ECC_NO_BITFLIPS (0 << 4)
#define MICRON_STATUS_ECC_1TO3_BITFLIPS (1 << 4)
#define MICRON_STATUS_ECC_4TO6_BITFLIPS (3 << 4)
--
2.40.0