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    Subject[PATCH 5.18 277/879] mtd: spinand: gigadevice: fix Quad IO for GD5F1GQ5UExxG
    Date
    From: Chuanhong Guo <gch981213@gmail.com>

    [ Upstream commit a4f9dd55c5e1bb951db6f1dee20e62e0103f3438 ]

    Read From Cache Quad IO (EBH) uses 2 dummy bytes on this chip according
    to page 23 of the datasheet[0].

    [0]: https://www.gigadevice.com/datasheet/gd5f1gq5xexxg/

    Fixes: 469b99248985 ("mtd: spinand: gigadevice: Support GD5F1GQ5UExxG")
    Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
    Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
    Link: https://lore.kernel.org/linux-mtd/20220320100001.247905-2-gch981213@gmail.com
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/mtd/nand/spi/gigadevice.c | 10 +++++++++-
    1 file changed, 9 insertions(+), 1 deletion(-)

    diff --git a/drivers/mtd/nand/spi/gigadevice.c b/drivers/mtd/nand/spi/gigadevice.c
    index 1dd1c5898093..da77ab20296e 100644
    --- a/drivers/mtd/nand/spi/gigadevice.c
    +++ b/drivers/mtd/nand/spi/gigadevice.c
    @@ -39,6 +39,14 @@ static SPINAND_OP_VARIANTS(read_cache_variants_f,
    SPINAND_PAGE_READ_FROM_CACHE_OP_3A(true, 0, 1, NULL, 0),
    SPINAND_PAGE_READ_FROM_CACHE_OP_3A(false, 0, 0, NULL, 0));

    +static SPINAND_OP_VARIANTS(read_cache_variants_1gq5,
    + SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
    + SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
    + SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
    + SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
    + SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
    + SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
    +
    static SPINAND_OP_VARIANTS(write_cache_variants,
    SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
    SPINAND_PROG_LOAD(true, 0, NULL, 0));
    @@ -339,7 +347,7 @@ static const struct spinand_info gigadevice_spinand_table[] = {
    SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x51),
    NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
    NAND_ECCREQ(4, 512),
    - SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
    + SPINAND_INFO_OP_VARIANTS(&read_cache_variants_1gq5,
    &write_cache_variants,
    &update_cache_variants),
    SPINAND_HAS_QE_BIT,
    --
    2.35.1


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