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SubjectRe: [LINUX PATCH v18 1/2] mtd: rawnand: nand_micron: Do not over write driver's read_page()/write_page()
On Mon, 15 Jul 2019 23:30:51 -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>
> ---
> Changes in v18
> - None
> ---
> 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;
>

Seriously?! I told you this was inappropriate and you keep sending this
patch. So let's make it clear:

Nacked-by: Boris Brezillon <boris.brezillon@collabora.com>

Fix your controller driver instead of adding hacks to the Micron logic!

> if (ondie == MICRON_ON_DIE_MANDATORY) {
> chip->ecc.read_page_raw = nand_read_page_raw_notsupp;

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