From b1d3a806630dbbf3b4d75a2e850adccf4f4439e7 Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Sun, 8 May 2022 18:55:48 +0100 Subject: [PATCH] iio: accel: sca3300: Fix alignment for DMA safety MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit ____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 Reviewed-by: Tomas Melin Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-9-jic23@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 861f6906beee5..3c4827bfef535 100644 --- a/drivers/iio/accel/sca3300.c +++ b/drivers/iio/accel/sca3300.c @@ -196,7 +196,7 @@ 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]; }; -- 2.30.2