From: Jonathan Cameron Date: Sun, 8 May 2022 17:56:48 +0000 (+0100) Subject: iio: frequency: admv1013: Fix alignment for DMA safety X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b3f3f8d264b9be0cb3e50e89e3f8789a948a43bb;p=linux.git iio: frequency: admv1013: Fix alignment for DMA safety ____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: da35a7b526d9 ("iio: frequency: admv1013: add support for ADMV1013") Signed-off-by: Jonathan Cameron Cc: Antoniu Miclaus Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-69-jic23@kernel.org --- diff --git a/drivers/iio/frequency/admv1013.c b/drivers/iio/frequency/admv1013.c index b0e1f6571afba..ed81672713586 100644 --- a/drivers/iio/frequency/admv1013.c +++ b/drivers/iio/frequency/admv1013.c @@ -100,7 +100,7 @@ struct admv1013_state { unsigned int input_mode; unsigned int quad_se_mode; bool det_en; - u8 data[3] ____cacheline_aligned; + u8 data[3] __aligned(IIO_DMA_MINALIGN); }; static int __admv1013_spi_read(struct admv1013_state *st, unsigned int reg,