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| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-05-08 20:55:46 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-06-14 13:53:12 +0300 |
| commit | a794b34083820ff4131bf43245aeb7030fecf038 (patch) | |
| tree | 49e58cda30349ca4b2f3da0b23c83442e9f29a9d | |
| parent | 38e71240e2ff97184cdcdaf877cf62d3f16678e2 (diff) | |
| download | linux-a794b34083820ff4131bf43245aeb7030fecf038.tar.xz | |
iio: accel: bmi088: Fix alignment for DMA safety
____cacheline_aligned is insufficient guarantee for non-coherent DMA.
Switch to the updated IIO_DMA_MINALIGN definition.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-7-jic23@kernel.org
| -rw-r--r-- | drivers/iio/accel/bmi088-accel-core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/accel/bmi088-accel-core.c b/drivers/iio/accel/bmi088-accel-core.c index 89eeb36456b3..bca4cf98bf4d 100644 --- a/drivers/iio/accel/bmi088-accel-core.c +++ b/drivers/iio/accel/bmi088-accel-core.c @@ -128,7 +128,7 @@ struct bmi088_accel_chip_info { struct bmi088_accel_data { struct regmap *regmap; const struct bmi088_accel_chip_info *chip_info; - u8 buffer[2] ____cacheline_aligned; /* shared DMA safe buffer */ + u8 buffer[2] __aligned(IIO_DMA_MINALIGN); /* shared DMA safe buffer */ }; static const struct regmap_range bmi088_volatile_ranges[] = { |