using MEMWRITEOOB problem in NAND flash device
tglx at linutronix.de
Fri Apr 18 12:14:06 EDT 2003
On Friday 18 April 2003 17:06, Paul Wong wrote:
> Hi All,
> I want to restore the oob using ioctl(..,MEMWRITEOOB,..) in NAND
> flash device, but it is failure to write anything. Is any protected
> condition in NAND.C?
You _CANNOT_ write a 0 bit to 1 on a FLASH chip. This works the other way
round. If you want to restore your block, remove the santity check in erase
function of nand.c.
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