Unverified Commit 5c81c275 authored Jun 24, 2020 by Pratyush Yadav Committed by Mark Brown Jul 14, 2020

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>

parent caf72df4

drivers/spi/atmel-quadspi.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}

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