From: Jonathan Cameron Jonathan.Cameron@huawei.com
[ Upstream commit 38e71240e2ff97184cdcdaf877cf62d3f16678e2 ]
____cacheline_aligned is insufficient guarantee for non-coherent DMA. Switch to the updated IIO_DMA_MINALIGN definition.
Fixes: bf2a5600a3ebc ("iio: accel: Add support for Bosch BMA220") Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Acked-by: Nuno Sá nuno.sa@analog.com Link: https://lore.kernel.org/r/20220508175712.647246-6-jic23@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/accel/bma220_spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/accel/bma220_spi.c b/drivers/iio/accel/bma220_spi.c index 74024d7ce5ac..b6d9ab8e2054 100644 --- a/drivers/iio/accel/bma220_spi.c +++ b/drivers/iio/accel/bma220_spi.c @@ -67,7 +67,7 @@ struct bma220_data { /* Ensure timestamp is naturally aligned. */ s64 timestamp __aligned(8); } scan; - u8 tx_buf[2] ____cacheline_aligned; + u8 tx_buf[2] __aligned(IIO_DMA_MINALIGN); };
static const struct iio_chan_spec bma220_channels[] = {