NAND bbt build reads wrong oob data

Thomas Gleixner tglx at
Fri Jul 15 09:57:48 EDT 2005

On Fri, 2005-07-15 at 00:58 -0700, Todd Poynor wrote:
> Thomas Gleixner wrote:
> > On Thu, 2005-07-14 at 20:19 -0700, Todd Poynor wrote:
> > 
> > That's pretty strange. Which chip type are you using ? 
> NAND device: Manufacturer ID: 0xec, Chip ID: 0x45 (Samsung NAND 32MiB
> 1,8V 16-bit)

I know whats the source of the problem.

The read_oob code is not handling 16 bit correctly. The nand_bbt code
wants to read 1 byte at an odd address which does not work for 16 bit

I committed a similar workaround as you suggested, jst without the
builtin long read OOPS :)


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