nand locking

Thomas Gleixner tglx at
Wed Apr 27 05:00:03 EDT 2005

On Wed, 2005-04-27 at 11:34 +0400, Timofei V. Bondarenko wrote:
> Is there a straight way to lock/unlock nand pages?
> The nand_scan() does "mtd_info->lock = NULL;" unconditionally,
> though the nand chip is capable of locking.

I'm not aware of page locking features in NAND chips. The only locking
I'm aware of is the write protection pin, which protects the whole chip.

You talk about "the nand chip". Which chip is it exactly and what makes
you believe that it has a per page locking feature ?


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