[PATCH 5.19 0637/1157] iio: accel: sca3300: Fix alignment for DMA safety

[Greg Kroah-Hartman]

From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

[ 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@xxxxxxxxxx>
Reviewed-by: Tomas Melin <tomas.melin@xxxxxxxxxxx>
Acked-by: Nuno Sá <nuno.sa@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220508175712.647246-9-jic23@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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