From: Jonathan Cameron Jonathan.Cameron@huawei.com
[ Upstream commit c9a8417a13ed9c81383662fca8a4b89f84d31e78 ]
____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: 84e5ddd5c46e ("iio: imu: Add support for the FXOS8700 IMU") Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Cc: Robert Jones rjones@gateworks.com Acked-by: Nuno Sá nuno.sa@analog.com Link: https://lore.kernel.org/r/20220508175712.647246-77-jic23@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/imu/fxos8700_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/imu/fxos8700_core.c b/drivers/iio/imu/fxos8700_core.c index ab288186f36e..423cfe526f2a 100644 --- a/drivers/iio/imu/fxos8700_core.c +++ b/drivers/iio/imu/fxos8700_core.c @@ -167,7 +167,7 @@ struct fxos8700_data { struct regmap *regmap; struct iio_trigger *trig; - __be16 buf[FXOS8700_DATA_BUF_SIZE] ____cacheline_aligned; + __be16 buf[FXOS8700_DATA_BUF_SIZE] __aligned(IIO_DMA_MINALIGN); };
/* Regmap info */