Now that the misleading mix between ECC engine type and OOB placement
has been addressed, add a new enumeration to properly define ECC types
(also called provider or mode).
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
---
drivers/mtd/nand/raw/nand_base.c | 7 +++++++
include/linux/mtd/rawnand.h | 16 ++++++++++++++++
2 files changed, 23 insertions(+)
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index 515cd4681660..5c6ab5b93270 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -5018,6 +5018,13 @@ static const char * const nand_ecc_modes[] = {
[NAND_ECC_ON_DIE] = "on-die",
};
+static const char * const nand_ecc_engine_providers[] = {
+ [NAND_ECC_ENGINE_NONE] = "none",
+ [NAND_ECC_ENGINE_SOFT] = "soft",
+ [NAND_ECC_ENGINE_CONTROLLER] = "hw",
+ [NAND_ECC_ENGINE_ON_DIE] = "on-die",
+};
+
static const char * const nand_ecc_placement[] = {
[NAND_ECC_PLACEMENT_INTERLEAVED] = "interleaved",
};
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index dc909fb977c7..a2078c5f3d21 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -92,6 +92,22 @@ enum nand_ecc_mode {
NAND_ECC_ON_DIE,
};
+/**
+ * enum nand_ecc_engine_type - NAND ECC engine type/provider
+ * @NAND_ECC_ENGINE_INVALID: Invalid value
+ * @NAND_ECC_ENGINE_NONE: No ECC correction
+ * @NAND_ECC_ENGINE_SOFT: Software ECC correction
+ * @NAND_ECC_ENGINE_CONTROLLER: Hardware controller ECC correction
+ * @NAND_ECC_ENGINE_ON_DIE: On chip hardware ECC correction
+ */
+enum nand_ecc_engine_type {
+ NAND_ECC_ENGINE_INVALID,
+ NAND_ECC_ENGINE_NONE,
+ NAND_ECC_ENGINE_SOFT,
+ NAND_ECC_ENGINE_CONTROLLER,
+ NAND_ECC_ENGINE_ON_DIE,
+};
+
/**
* enum nand_ecc_placement - NAND ECC placement
* @NAND_ECC_PLACEMENT_FREE: The driver can decide where to put ECC bytes.
--
2.20.1
