Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.18 0592/1095] iio: accel: sca3300: Fix alignment for DMA safety | Date | Mon, 15 Aug 2022 19:59:51 +0200 |
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From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
[ Upstream commit b1d3a806630dbbf3b4d75a2e850adccf4f4439e7 ]
____cacheline_aligned is insufficient guarantee for non-coherent DMA. Switch to the updated IIO_DMA_MINALIGN definition.
Fixes: 9cc9806e22178 ("iio: accel: Add driver for Murata SCA3300 accelerometer") Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Tomas Melin <tomas.melin@vaisala.com> Acked-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20220508175712.647246-9-jic23@kernel.org Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/iio/accel/sca3300.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/accel/sca3300.c b/drivers/iio/accel/sca3300.c index f7ef8ecfd34a..39e0c24364ae 100644 --- a/drivers/iio/accel/sca3300.c +++ b/drivers/iio/accel/sca3300.c @@ -115,7 +115,7 @@ struct sca3300_data { s16 channels[4]; s64 ts __aligned(sizeof(s64)); } scan; - u8 txbuf[4] ____cacheline_aligned; + u8 txbuf[4] __aligned(IIO_DMA_MINALIGN); u8 rxbuf[4]; }; -- 2.35.1
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