Messages in this thread Patch in this message | | | From | Michael Welling <> | Subject | [PATCH] iio: mcp320x: Fix occasional incorrect readings | Date | Tue, 5 May 2015 11:29:55 -0500 |
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Without the cacheline alignment, the readings will occasionally incorrectly return 0.
Signed-off-by: Michael Welling <mwelling@ieee.org> --- drivers/iio/adc/mcp320x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/mcp320x.c b/drivers/iio/adc/mcp320x.c index efbfd12..46b98cf 100644 --- a/drivers/iio/adc/mcp320x.c +++ b/drivers/iio/adc/mcp320x.c @@ -60,7 +60,7 @@ struct mcp320x { struct spi_message msg; struct spi_transfer transfer[2]; - u8 tx_buf; + u8 tx_buf ____cacheline_aligned; u8 rx_buf[2]; struct regulator *reg; -- 1.7.9.5
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