iio: accel: adxl313: Fix alignment for DMA safety

____cacheline_aligned is insufficient guarantee for non-coherent DMA.
Switch to the updated IIO_DMA_MINALIGN definition.

Fixes: 636d446330 ("iio: accel: Add driver support for ADXL313")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-3-jic23@kernel.org
This commit is contained in:
Jonathan Cameron 2022-05-08 18:55:42 +01:00
parent 12c4efe350
commit f68a0445ee

View File

@ -46,7 +46,7 @@ EXPORT_SYMBOL_NS_GPL(adxl313_writable_regs_table, IIO_ADXL313);
struct adxl313_data {
struct regmap *regmap;
struct mutex lock; /* lock to protect transf_buf */
__le16 transf_buf ____cacheline_aligned;
__le16 transf_buf __aligned(IIO_DMA_MINALIGN);
};
static const int adxl313_odr_freqs[][2] = {