Messages in this thread | | | Date | Wed, 26 Jun 2019 08:48:07 +0200 | From | Boris Brezillon <> | Subject | Re: [LINUX PATCH v17 1/2] mtd: rawnand: nand_micron: Do not over write driver's read_page()/write_page() |
| |
On Mon, 24 Jun 2019 22:46:29 -0600 Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com> wrote:
> Add check before assigning chip->ecc.read_page() and chip->ecc.write_page() > > Signed-off-by: Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com> > --- > drivers/mtd/nand/raw/nand_micron.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/mtd/nand/raw/nand_micron.c b/drivers/mtd/nand/raw/nand_micron.c > index cbd4f09ac178..565f2696c747 100644 > --- a/drivers/mtd/nand/raw/nand_micron.c > +++ b/drivers/mtd/nand/raw/nand_micron.c > @@ -500,8 +500,11 @@ static int micron_nand_init(struct nand_chip *chip) > chip->ecc.size = 512; > chip->ecc.strength = chip->base.eccreq.strength; > chip->ecc.algo = NAND_ECC_BCH; > - chip->ecc.read_page = micron_nand_read_page_on_die_ecc; > - chip->ecc.write_page = micron_nand_write_page_on_die_ecc; > + if (!chip->ecc.read_page) > + chip->ecc.read_page = micron_nand_read_page_on_die_ecc; > + > + if (!chip->ecc.write_page) > + chip->ecc.write_page = micron_nand_write_page_on_die_ecc;
That's wrong, if you don't want on-die ECC to be used, simply don't set nand-ecc-mode to "on-die".
> > if (ondie == MICRON_ON_DIE_MANDATORY) { > chip->ecc.read_page_raw = nand_read_page_raw_notsupp;
| |