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spi: spi-fsl-dspi: Don't mask off undefined bits

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This is a useless operation, and if the driver needs to do that, there's
something deeply wrong going on.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20200304220044.11193-4-olteanv@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vladimir Oltean 2020-03-05 00:00:35 +02:00 committed by Mark Brown
parent 6d6af5796e
commit 5542bd7971
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1 changed files with 0 additions and 3 deletions
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3
drivers/spi/spi-fsl-dspi.c
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@ -274,9 +274,6 @@ static void dspi_push_rx(struct fsl_dspi *dspi, u32 rxdata)
if (!dspi->rx)
return;
/* Mask off undefined bits */
rxdata &= (1 << dspi->bits_per_word) - 1;
memcpy(dspi->rx, &rxdata, dspi->bytes_per_word);
dspi->rx += dspi->bytes_per_word;
}