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linux/drivers/mtd/nand
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Miquel Raynal 234d5f75c3 mtd: spinand: winbond: Fix 512GW, 01GW, 01JW and 02JW ECC information 
commit fee9b24091 upstream.

These four chips:
* W25N512GW
* W25N01GW
* W25N01JW
* W25N02JW
all require a single bit of ECC strength and thus feature an on-die
Hamming-like ECC engine. There is no point in filling a ->get_status()
callback for them because the main ECC status bytes are located in
standard places, and retrieving the number of bitflips in case of
corrected chunk is both useless and unsupported (if there are bitflips,
then there is 1 at most, so no need to query the chip for that).

Without this change, a kernel warning triggers every time a bit flips.

Fixes: 6a804fb72d ("mtd: spinand: winbond: add support for serial NAND flash")
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Link: https://lore.kernel.org/linux-mtd/20241009125002.191109-3-miquel.raynal@bootlin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2024-12-09 10:41:05 +01:00
..
onenand Raw NAND core changes: 2023-08-28 16:37:38 +02:00
raw mtd: rawnand: atmel: Fix possible memory leak 2024-12-05 14:02:05 +01:00
spi mtd: spinand: winbond: Fix 512GW, 01GW, 01JW and 02JW ECC information 2024-12-09 10:41:05 +01:00
bbt.c mtd: nand: bbt: Use the bitmap API to allocate bitmaps 2022-09-20 10:06:58 +02:00
core.c mtd: nand: drop EXPORT_SYMBOL_GPL for nanddev_erase() 2022-11-07 17:17:20 +01:00
ecc-mtk.c mtd: nand: ecc-mtk: Add ECC support fot MT7986 IC 2023-02-03 19:09:44 +01:00
ecc-mxic.c mtd: Explicitly include correct DT includes 2023-07-27 17:03:41 +02:00
ecc-sw-bch.c mtd: nand: ecc-bch: Use the public nsteps field 2021-03-11 09:37:28 +01:00
ecc-sw-hamming.c mtd: rawnand: Let callers use the bare Hamming helpers 2021-10-15 12:20:59 +02:00
ecc.c mtd: Explicitly include correct DT includes 2023-07-27 17:03:41 +02:00
Kconfig mtd: nand: MTD_NAND_ECC_MEDIATEK should depend on ARCH_MEDIATEK 2022-05-12 16:43:04 +02:00
Makefile mtd: nand: make mtk_ecc.c a separated module 2022-04-27 18:12:35 +02:00