Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.18 0587/1095] iio: accel: adxl313: Fix alignment for DMA safety | Date | Mon, 15 Aug 2022 19:59:46 +0200 |
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From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
[ Upstream commit f68a0445ee86e48dafbfdea50163ad6fc6dba268 ]
____cacheline_aligned is insufficient guarantee for non-coherent DMA. Switch to the updated IIO_DMA_MINALIGN definition.
Fixes: 636d44633039 ("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 Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/iio/accel/adxl313_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/accel/adxl313_core.c b/drivers/iio/accel/adxl313_core.c index 9e4193e64765..afeef779e1d0 100644 --- a/drivers/iio/accel/adxl313_core.c +++ b/drivers/iio/accel/adxl313_core.c @@ -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] = { -- 2.35.1
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