Re: [PATCH] mtd: rawnand: micron: Fix support for on-die ECC

Boris Brezillon
2018-05-08T21:13:13Z

On Fri, 4 May 2018 11:58:35 +0200
Miquel Raynal <miquel.raynal@bootlin.com> wrote:

> Hi Boris,
>
> On Thu, 3 May 2018 09:49:08 +0200, Boris Brezillon
> <boris.brezillon@bootlin.com> wrote:
>
> > It looks like the NAND_STATUS_FAIL bit is sticky after an ECC failure,
> > which leads all READ operations following the failing one to report
> > an ECC failure. Reset the chip to clear the NAND_STATUS_FAIL bit.
> >
> > Note that this behavior is not document in the datasheet, but resetting
> > the chip is the only solution we found to fix the problem.
> >
> > Fixes: 9748e1d87573 ("mtd: nand: add support for Micron on-die ECC")
> > Cc: <stable@vger.kernel.org>
> > Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
> > Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
> > Cc: Bean Huo <beanhuo@micron.com>
> > Cc: Peter Pan <peterpandong@micron.com>
> > ---
>
> Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>

Queued to mtd/master.