Without the cacheline alignment, the readings will occasionally incorrectly
return 0.
Signed-off-by: Michael Welling <mwelling@xxxxxxxx>
---
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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