strange bad block code

[Matthieu CASTET]

Matthieu CASTET a écrit :
> Hi,
> 
> while looking at the bad block code, I saw that e0b58d0a introduced a
> "chip->badblockbits" for bad block detection in nand_block_bad[1].
> That's great because to we can use it to handle bit flip in bad block marker.
> 
> But few commit latter c7b28e25cb9 removed "chip->badblockbits = 8;" from common
> code.
> So now chip->badblockbits = 0.
> 
> How such code wan works ?
> 
> Adding NAND_SKIP_BBTSCAN in any driver, expose the problem.
> 
BTW nand_block_bad seems broken with the new NAND_BBT_SCAN2NDPAGE and
NAND_BBT_SCANBYTE1AND6.