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    Subject[PATCH v4 06/13] spi: atmel-quadspi: return appropriate error code
    Date
    From: Tudor Ambarus <tudor.ambarus@microchip.com>

    Return -ENOTSUPP when atmel_qspi_find_mode() fails. Propagate
    the error in atmel_qspi_exec_op().

    Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
    Reviewed-by: Boris Brezillon <bbrezillon@kernel.org>
    ---
    v4: no change
    v3: no change
    v2: collect R-b

    drivers/spi/atmel-quadspi.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c
    index be7f87fd5ac7..06c31830d07b 100644
    --- a/drivers/spi/atmel-quadspi.c
    +++ b/drivers/spi/atmel-quadspi.c
    @@ -198,7 +198,7 @@ static int atmel_qspi_find_mode(const struct spi_mem_op *op)
    if (atmel_qspi_is_compatible(op, &sama5d2_qspi_modes[i]))
    return i;

    - return -1;
    + return -ENOTSUPP;
    }

    static bool atmel_qspi_supports_op(struct spi_mem *mem,
    @@ -238,7 +238,7 @@ static int atmel_qspi_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)

    mode = atmel_qspi_find_mode(op);
    if (mode < 0)
    - return -ENOTSUPP;
    + return mode;

    ifr |= sama5d2_qspi_modes[mode].config;

    --
    2.9.5
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