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iio: accel: bma220: Fix alignment for DMA safety

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

Fixes: bf2a5600a3 ("iio: accel: Add support for Bosch BMA220")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220508175712.647246-6-jic23@kernel.org
This commit is contained in:
Jonathan Cameron 2022-05-08 18:55:45 +01:00
parent e1f956a804
commit 38e71240e2
1 changed files with 1 additions and 1 deletions
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drivers/iio/accel/bma220_spi.c
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@ -67,7 +67,7 @@ struct bma220_data {
/* Ensure timestamp is naturally aligned. */
s64 timestamp __aligned(8);
} scan;
u8 tx_buf[2] ____cacheline_aligned;
u8 tx_buf[2] __aligned(IIO_DMA_MINALIGN);
};
static const struct iio_chan_spec bma220_channels[] = {