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UPSTREAM: MTD: nand: mxs_nand: Allow driver to auto setup ECC in SPL 

The initialization of the NAND in SPL hard-coded ecc.bytes,
ecc.size, and ecc.strength which may work for some NAND parts,
but it not appropriate for others.  With the pending patch
"mxs_nand: Fix BCH read timeout error on boards requiring ECC"
the driver can auto configure the ECC when these entries are
blank.  This patch has been tested in NAND flash with oob 64
and oob 128.

Change-Id: Iaa9d322e8b39bbde309993e9bb9cb53cd920e80c
Signed-off-by: Adam Ford <aford173@gmail.com>
Tested-by: Jörg Krause <joerg.krause@embedded.rocks>
Acked-by: Tim Harvey <tharvey@gateworks.com>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
(cherry picked from commit 04568bd0b6d673a325eed76bd857a9cbd0c556bc)
This commit is contained in:
Adam Ford 2019-01-17 07:16:39 -06:00 committed by Kever Yang
parent f58e694f40
commit 72912a48f1
1 changed files with 0 additions and 3 deletions
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3
drivers/mtd/nand/raw/mxs_nand.c
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@ -1192,9 +1192,6 @@ int mxs_nand_init_spl(struct nand_chip *nand)
nand->ecc.read_page = mxs_nand_ecc_read_page;
nand->ecc.mode = NAND_ECC_HW;
nand->ecc.bytes = 9;
nand->ecc.size = 512;
nand->ecc.strength = 8;
return 0;
}