From: Jonathan Cameron Jonathan.Cameron@huawei.com
[ Upstream commit 98295a206d04633bae31f279de11ff7d04724bce ]
____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: 506d2e317a0a ("iio: adc: Add driver support for AD7292") Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Acked-by: Marcelo Schmitt marcelo.schmitt1@gmail.com Acked-by: Nuno Sá nuno.sa@analog.com Link: https://lore.kernel.org/r/20220508175712.647246-12-jic23@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/adc/ad7292.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ad7292.c b/drivers/iio/adc/ad7292.c index 3271a31afde1..92c68d467c50 100644 --- a/drivers/iio/adc/ad7292.c +++ b/drivers/iio/adc/ad7292.c @@ -80,7 +80,7 @@ struct ad7292_state { struct regulator *reg; unsigned short vref_mv;
- __be16 d16 ____cacheline_aligned; + __be16 d16 __aligned(IIO_DMA_MINALIGN); u8 d8[2]; };