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spi: Do not require a completion

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There is no real reason why we require transfers to have a completion and
the only user of the completion now checks to see if one has been provided
before using it so stop enforcing this. This makes it more convenient for
drivers to chain multiple asynchronous transfers together.

Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Mark Brown 2014-03-25 19:28:22 +00:00
parent a6f87fad7b
commit 1e25cd4729
1 changed files with 0 additions and 2 deletions
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2
drivers/spi/spi.c
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@ -1621,8 +1621,6 @@ static int __spi_validate(struct spi_device *spi, struct spi_message *message)
if (list_empty(&message->transfers))
return -EINVAL;
if (!message->complete)
return -EINVAL;
/* Half-duplex links include original MicroWire, and ones with
* only one data pin like SPI_3WIRE (switches direction) or where