From: Jonathan Cameron Jonathan.Cameron@huawei.com
[ Upstream commit 314d2b1978bb3d20b1ec239f4e28c394da493f36 ]
____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: 50dd64d57eee ("iio: common: ssp_sensors: Add sensorhub driver") Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Acked-by: Nuno Sá nuno.sa@analog.com Link: https://lore.kernel.org/r/20220508175712.647246-43-jic23@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/common/ssp_sensors/ssp.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/iio/common/ssp_sensors/ssp.h b/drivers/iio/common/ssp_sensors/ssp.h index abb832795619..f649cdecc277 100644 --- a/drivers/iio/common/ssp_sensors/ssp.h +++ b/drivers/iio/common/ssp_sensors/ssp.h @@ -221,8 +221,7 @@ struct ssp_data { struct iio_dev *sensor_devs[SSP_SENSOR_MAX]; atomic_t enable_refcount;
- __le16 header_buffer[SSP_HEADER_BUFFER_SIZE / sizeof(__le16)] - ____cacheline_aligned; + __le16 header_buffer[SSP_HEADER_BUFFER_SIZE / sizeof(__le16)] __aligned(IIO_DMA_MINALIGN); };
void ssp_clean_pending_list(struct ssp_data *data);