Commit 5c81c275 authored by Pratyush Yadav's avatar Pratyush Yadav Committed by Mark Brown

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: default avatarPratyush Yadav <p.yadav@ti.com>
Reviewed-by: default avatarTudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20200623183030.26591-4-p.yadav@ti.comSigned-off-by: default avatarMark Brown <broonie@kernel.org>
parent caf72df4
...@@ -285,6 +285,12 @@ static bool atmel_qspi_supports_op(struct spi_mem *mem, ...@@ -285,6 +285,12 @@ static bool atmel_qspi_supports_op(struct spi_mem *mem,
op->dummy.nbytes == 0) op->dummy.nbytes == 0)
return false; 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; return true;
} }
......
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