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467e6e7be2
linux/drivers/mtd/nand
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Vipin Kumar 467e6e7be2 mtd: nand/fsmc: Initialize the badblockbits to 7 
Ideally, the block should have 0xff written on the bad block position. Any value
other than 0xff implies a bad block. In practical situations, there can be
bit flips in the oob area as well which means that a block with 0x7f being read
at bad block position may imply a bad block but it is infact only a bit flip in
the bad block byte.

To resolve this problem, the block is marked as good if number of high bits is
greater than or equal to badblockbits (initialized to 7)

Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2012-03-27 00:59:02 +01:00
..
gpmi-nand mtd: gpmi: fix the wrong DMA command. 2012-03-27 00:56:52 +01:00
alauda.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
ams-delta.c mtd: convert drivers/mtd/* to use module_platform_driver() 2012-01-09 18:12:35 +00:00
atmel_nand_ecc.h
atmel_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
au1550nd.c MTD: nand: make au1550nd.c a platform_driver 2011-12-08 10:42:10 +00:00
autcpu12.c mtd: nand: rename NAND_USE_FLASH_BBT 2011-09-11 15:01:56 +03:00
bcm_umi_bch.c
bcm_umi_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
bf5xx_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
cafe_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
cmx270_nand.c mtd: do not use plain 0 as NULL 2012-03-27 00:53:20 +01:00
cs553x_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
davinci_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
denali.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
denali.h mtd: denali: detect the number of banks 2011-05-25 02:02:12 +01:00
diskonchip.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
docg4.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
fsl_elbc_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
fsl_upm.c mtd: convert drivers/mtd/* to use module_platform_driver() 2012-01-09 18:12:35 +00:00
fsmc_nand.c mtd: nand/fsmc: Initialize the badblockbits to 7 2012-03-27 00:59:02 +01:00
gpio.c mtd: gpio-nand: add device tree bindings 2012-01-09 18:23:58 +00:00
h1910.c mtd: do not use plain 0 as NULL 2012-03-27 00:53:20 +01:00
jz4740_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
Kconfig mtd: gpmi: fix compiler warning 2012-03-27 00:35:31 +01:00
Makefile mtd: nand: add support for diskonchip G4 nand flash device 2012-03-27 00:18:31 +01:00
mpc5121_nfc.c mtd: convert drivers/mtd/* to use module_platform_driver() 2012-01-09 18:12:35 +00:00
mxc_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
nand_base.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
nand_bbt.c mtd: introduce mtd_write_oob interface 2012-01-09 18:25:24 +00:00
nand_bch.c mtd: cleanup style on pr_debug messages 2011-09-11 15:02:16 +03:00
nand_bcm_umi.c
nand_bcm_umi.h
nand_ecc.c mtd: spelling, capitalization, uniformity 2011-09-11 15:02:13 +03:00
nand_ids.c mtd: nand: add 512 Mbit device code (Macronix) 2012-01-09 17:59:44 +00:00
nandsim.c mtd: introduce mtd_block_markbad interface 2012-01-09 18:25:48 +00:00
ndfc.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
nomadik_nand.c mtd: introduce mtd_resume interface 2012-01-09 18:25:46 +00:00
nuc900_nand.c mtd: convert drivers/mtd/* to use module_platform_driver() 2012-01-09 18:12:35 +00:00
omap2.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
orion_nand.c mtd: do not use plain 0 as NULL 2012-03-27 00:53:20 +01:00
pasemi_nand.c mtd: convert drivers/mtd/* to use module_platform_driver() 2012-01-09 18:12:35 +00:00
plat_nand.c mtd: do not use plain 0 as NULL 2012-03-27 00:53:20 +01:00
ppchameleonevb.c mtd: do not use plain 0 as NULL 2012-03-27 00:53:20 +01:00
pxa3xx_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
r852.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
r852.h
rtc_from4.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
s3c2410.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
sh_flctl.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
sharpsl.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
sm_common.c mtd: introduce mtd_write_oob interface 2012-01-09 18:25:24 +00:00
sm_common.h
socrates_nand.c mtd: convert drivers/mtd/* to use module_platform_driver() 2012-01-09 18:12:35 +00:00
spia.c mtd: convert remaining users to mtd_device_register() 2011-05-25 02:25:00 +01:00
tmio_nand.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00
txx9ndfmc.c mtd: flash drivers set ecc strength 2012-03-27 00:56:46 +01:00