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spi: spi-mem: allow specifying whether an op is DTR or not

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Each phase is given a separate 'dtr' field so mixed protocols like
4S-4D-4D can be supported.

Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Pratyush Yadav
2021-06-26 00:47:03 +05:30
committed by Jagan Teki
parent 0d7066bce2
commit a1eb40b70b
2 changed files with 11 additions and 0 deletions
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3
drivers/spi/spi-mem.c
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@@ -164,6 +164,9 @@ bool spi_mem_default_supports_op(struct spi_slave *slave,
op->data.dir == SPI_MEM_DATA_OUT))
return false;
if (op->cmd.dtr || op->addr.dtr || op->dummy.dtr || op->data.dtr)
return false;
return true;
}
EXPORT_SYMBOL_GPL(spi_mem_default_supports_op);