From f68a0445ee86e48dafbfdea50163ad6fc6dba268 Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Sun, 8 May 2022 18:55:42 +0100 Subject: [PATCH] iio: accel: adxl313: Fix alignment for DMA safety MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ____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 Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-3-jic23@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] = {