From 4a4a79c06caeec47003bcbee1cf3094479f26e24 Mon Sep 17 00:00:00 2001 From: Jonathan Cameron Date: Sun, 8 May 2022 18:56:28 +0100 Subject: iio: dac: ad5592r: Fix alignment for DMA safety MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ____cacheline_aligned is an insufficient guarantee for non-coherent DMA on platforms with 128 byte cachelines above L1. Switch to the updated IIO_DMA_MINALIGN definition. Fixes: 56ca9db862bf ("iio: dac: Add support for the AD5592R/AD5593R ADCs/DACs") Signed-off-by: Jonathan Cameron Cc: Paul Cercueil Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-49-jic23@kernel.org --- drivers/iio/dac/ad5592r-base.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/iio/dac') diff --git a/drivers/iio/dac/ad5592r-base.h b/drivers/iio/dac/ad5592r-base.h index 2a22ef691996..cc7be426cbc8 100644 --- a/drivers/iio/dac/ad5592r-base.h +++ b/drivers/iio/dac/ad5592r-base.h @@ -14,6 +14,8 @@ #include #include +#include + struct device; struct ad5592r_state; @@ -65,7 +67,7 @@ struct ad5592r_state { u8 gpio_in; u8 gpio_val; - __be16 spi_msg ____cacheline_aligned; + __be16 spi_msg __aligned(IIO_DMA_MINALIGN); __be16 spi_msg_nop; }; -- cgit v1.2.3-59-g8ed1b