On Thu, Jul 31, 2014 at 12:06:43AM -0700, Brian Norris wrote:
> On Mon, Jul 28, 2014 at 09:01:39PM +0530, Punnaiah Choudary Kalluri wrote:
> > +/* Generic flash bbt decriptors */
> > +static uint8_t bbt_pattern[] = { 'B', 'b', 't', '0' };
> > +static uint8_t mirror_pattern[] = { '1', 't', 'b', 'B' };
> > +
> > +static struct nand_bbt_descr bbt_main_descr = {
> > + .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE
> > + | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP,
> > + .offs = 4,
> > + .len = 4,
> > + .veroffs = 20,
> > + .maxblocks = 4,
> > + .pattern = bbt_pattern
> > +};
> > +
> > +static struct nand_bbt_descr bbt_mirror_descr = {
> > + .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | NAND_BBT_WRITE
> > + | NAND_BBT_2BIT | NAND_BBT_VERSION | NAND_BBT_PERCHIP,
> > + .offs = 4,
> > + .len = 4,
> > + .veroffs = 20,
> > + .maxblocks = 4,
> > + .pattern = mirror_pattern
> > +};
>
> Why do you need a custom BBT descriptor? It's much better to use the
> standard ones. Perhaps you just want the NAND_BBT_NO_OOB_BBM option, so
> you get the bbt_{main,mirror}_no_oob_descr structs from nand_bbt.c.
I see you answered this:
http://lists.infradead.org/pipermail/linux-mtd/2014-April/053451.html
That's unfortunate.
Brian
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