[PATCH v3 02/40] mtd: rawnand: Add an invalid ECC mode to discriminate with valid ones
From: Miquel Raynal <miquel.raynal@bootlin.com>
Date: 2019-09-19 19:33:42
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> --- 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 3bf2d56eced2..e6c483ec191a 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c@@ -4851,7 +4851,7 @@ 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 cd834e9f7e78..ccdc0c314acc 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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