[PATCH] mtd: nand: omap: add support for hardware BCH ecc

[Ivan Djelic]

On Fri, Apr 20, 2012 at 12:12:27PM +0100, Grazvydas Ignotas wrote:
> On Fri, Apr 20, 2012 at 12:48 PM, Ivan Djelic <ivan.djelic at parrot.com> wrote:
> > Hello,
> > This patch provides hardware NAND BCH ecc support for OMAP3 boards.
> > It depends on the following patches:
> >
> > new GPMC BCH api (linux-omap):
> > http://lists.infradead.org/pipermail/linux-mtd/2012-April/040757.html
> >
> > race condition fix in OMAP mtd driver:
> > http://lists.infradead.org/pipermail/linux-mtd/2012-April/040724.html
> 
> I don't have this one in my mailbox (looked up through the archives),
> so commenting about it here. What about just dropping omap_wait()
> instead? I think gpmc_nand_read(.. GPMC_NAND_DATA) is equivalent to
> ordinary data read, knowing that omap_wait() looks like a duplicate of
> generic nand_wait(), just without LED support.

Yes, I agree; I also comtemplated getting rid of omap_wait(), but I needed this
quick fix out of the way to submit my BCH patch. But you're right, and there
are plenty other things to improve in omap2.c (look at omap_compare_ecc() for
a good example).
BR,
--
Ivan