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Commit 0e81bc99 authored by Michael Welling's avatar Michael Welling Committed by Jonathan Cameron
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iio: mcp320x: Fix occasional incorrect readings 



Without the cacheline alignment, the readings will occasionally incorrectly
return 0.

Signed-off-by: default avatarMichael Welling <mwelling@ieee.org>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 1d93353d

drivers/iio/adc/mcp320x.c

+3 −3
Original line number Diff line number Diff line
@@ -60,12 +60,12 @@ struct mcp320x { 
	struct spi_message msg;

	struct spi_transfer transfer[2];



	u8 tx_buf;

	u8 rx_buf[2];



	struct regulator *reg;

	struct mutex lock;

	const struct mcp320x_chip_info *chip_info;



	u8 tx_buf ____cacheline_aligned;

	u8 rx_buf[2];

};



static int mcp320x_channel_to_tx_data(int device_index,