Messages in this thread Patch in this message | | | From | Naga Sureshkumar Relli <> | Subject | [LINUX PATCH v17 1/2] mtd: rawnand: nand_micron: Do not over write driver's read_page()/write_page() | Date | Mon, 24 Jun 2019 22:46:29 -0600 |
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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; if (ondie == MICRON_ON_DIE_MANDATORY) { chip->ecc.read_page_raw = nand_read_page_raw_notsupp; -- 2.17.1
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