Commit a2105d87 authored by Jonathan Cameron's avatar Jonathan Cameron
Browse files

iio: adc: ti-ads8688: Fix alignment for DMA safety 



____cacheline_aligned is an insufficient guarantee for non-coherent DMA
on platforms with 128 byte cachelines above L1.  Switch to the updated
IIO_DMA_MINALIGN definition.

Fixes: 3e87e783 ("iio: adc: Add TI ADS8688")
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: default avatarNuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-39-jic23@kernel.org
parent 8966b11e

drivers/iio/adc/ti-ads8688.c

+1 −1
Original line number Diff line number Diff line
@@ -71,7 +71,7 @@ struct ads8688_state { 
	union {

		__be32 d32;

		u8 d8[4];

	} data[2] ____cacheline_aligned;

	} data[2] __aligned(IIO_DMA_MINALIGN);

};



enum ads8688_id {