diff options
| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-05-08 18:56:53 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-06-14 11:53:18 +0100 |
| commit | ff3211b2ba9afac80ceb795d148831dd879b30b7 (patch) | |
| tree | e855d1fcbe4d6214b65f80ad7e8f1ab67e76e7a5 /drivers/iio | |
| parent | ae6eeb534924ecc2afd5a394964fd6de0ca54d39 (diff) | |
iio: gyro: adis16130: Fix alignment for DMA safety
____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: 8e67875141b2 ("staging:iio:gyro: adis16130 cleanup, move to abi and bug fixes.")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-74-jic23@kernel.org
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/gyro/adis16130.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/gyro/adis16130.c b/drivers/iio/gyro/adis16130.c index b9c952e65b55..33cde9e6fca5 100644 --- a/drivers/iio/gyro/adis16130.c +++ b/drivers/iio/gyro/adis16130.c @@ -41,7 +41,7 @@ struct adis16130_state { struct spi_device *us; struct mutex buf_lock; - u8 buf[4] ____cacheline_aligned; + u8 buf[4] __aligned(IIO_DMA_MINALIGN); }; static int adis16130_spi_read(struct iio_dev *indio_dev, u8 reg_addr, u32 *val) |