[PATCH v5 06/21] mtd: rawnand: Add an invalid ECC mode to discriminate with valid ones
From: Miquel Raynal <miquel.raynal@bootlin.com>
Date: 2020-05-14 17:21:09
Subsystem:
memory technology devices (mtd), nand flash subsystem, the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
NAND ECC modes (or providers) have their own enumeration but, unlike their algorithms counterpart, there is no invalid or uninitialized value to discriminate between an error and having chosen a no-ECC situation. Add an "invalid" entry for this purpose. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> --- drivers/mtd/nand/raw/nand_base.c | 2 +- include/linux/mtd/rawnand.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index e4296b67adbc..c407fd15ad46 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c@@ -4976,7 +4976,7 @@ static int of_get_nand_ecc_mode(struct device_node *np) if (err < 0) return err; - for (i = 0; i < ARRAY_SIZE(nand_ecc_modes); i++) + for (i = NAND_ECC_NONE; i < ARRAY_SIZE(nand_ecc_modes); i++) if (!strcasecmp(pm, nand_ecc_modes[i])) return i;
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index bc7c7d9adae9..4e0c75b1abc2 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h@@ -84,6 +84,7 @@ struct nand_chip; * Constants for ECC_MODES */ enum nand_ecc_mode { + NAND_ECC_INVALID, NAND_ECC_NONE, NAND_ECC_SOFT, NAND_ECC_HW,
--
2.20.1
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