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| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-09-30 02:01:22 +0300 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-12-11 00:37:30 +0300 |
| commit | 5180a62c12497aa491a7c79c062a9e3a884c9762 (patch) | |
| tree | 7ae6004732955f249137207d547a729b3c5adc97 /drivers/mtd/nand/Kconfig | |
| parent | eb08376a5dd943cf2a7360f236fe20bbd709fa95 (diff) | |
| download | linux-5180a62c12497aa491a7c79c062a9e3a884c9762.tar.xz | |
mtd: nand: ecc-hamming: Let the software Hamming ECC engine be unselected
There is no reason to always embed the software Hamming ECC engine
implementation. By default it is (with raw NAND), but we can let the
user decide.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200929230124.31491-19-miquel.raynal@bootlin.com
Diffstat (limited to 'drivers/mtd/nand/Kconfig')
| -rw-r--r-- | drivers/mtd/nand/Kconfig | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 306c33ca3448..15ffe1a1b863 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -16,7 +16,16 @@ config MTD_NAND_ECC depends on MTD_NAND_CORE config MTD_NAND_ECC_SW_HAMMING - bool + bool "Software Hamming ECC engine" + default y if MTD_RAW_NAND + select MTD_NAND_ECC + help + This enables support for software Hamming error + correction. This correction can correct up to 1 bit error + per chunk and detect up to 2 bit errors. While it used to be + widely used with old parts, newer NAND chips usually require + more strength correction and in this case BCH or RS will be + preferred. config MTD_NAND_ECC_SW_HAMMING_SMC bool "NAND ECC Smart Media byte order" |