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mtd: rawnand: Separate the ECC engine type and the ECC byte placement

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The use of "syndrome" placement should not be encoded in the ECC
engine mode/type.

Create a "placement" field in NAND chip and change all occurrences of
the NAND_ECC_HW_SYNDROME enumeration to be just NAND_ECC_HW and
possibly a placement entry like NAND_ECC_PLACEMENT_INTERLEAVED.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Link: https://lore.kernel.org/linux-mtd/20200827085208.16276-10-miquel.raynal@bootlin.com
This commit is contained in:
Miquel Raynal
2020-08-27 10:51:57 +02:00
parent a8c7ffdb5f
commit ef24f97daa
10 changed files with 71 additions and 48 deletions
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include/linux/platform_data/mtd-davinci.h
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@@ -69,6 +69,7 @@ struct davinci_nand_pdata { /* platform_data */
* using it with large page chips.
*/
enum nand_ecc_mode ecc_mode;
enum nand_ecc_placement ecc_placement;
u8 ecc_bits;
/* e.g. NAND_BUSWIDTH_16 */