diff options
| author | Pratyush Yadav <p.yadav@ti.com> | 2020-06-24 00:00:16 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-07-14 17:29:39 +0100 |
| commit | 5c81c275582c9d9c66d2f928591a2065f2528231 (patch) | |
| tree | 1fb43bee5b56da19f2c50c0eb825d712d58a86d3 /drivers/spi/atmel-quadspi.c | |
| parent | caf72df48be32c39f74287976ae843501ae06949 (diff) | |
| download | linux-5c81c275582c9d9c66d2f928591a2065f2528231.tar.bz2 | |
spi: atmel-quadspi: reject DTR ops
Double Transfer Rate (DTR) ops are added in spi-mem. But this controller
doesn't support DTR transactions. Since we don't use the default
supports_op(), which rejects all DTR ops, do that explicitly in our
supports_op().
Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20200623183030.26591-4-p.yadav@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/atmel-quadspi.c')
| -rw-r--r-- | drivers/spi/atmel-quadspi.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c index cb44d1e169aa..a898755fb41e 100644 --- a/drivers/spi/atmel-quadspi.c +++ b/drivers/spi/atmel-quadspi.c @@ -285,6 +285,12 @@ static bool atmel_qspi_supports_op(struct spi_mem *mem, op->dummy.nbytes == 0) return false; + /* DTR ops not supported. */ + if (op->cmd.dtr || op->addr.dtr || op->dummy.dtr || op->data.dtr) + return false; + if (op->cmd.nbytes != 1) + return false; + return true; } |