From: Jonathan Cameron Date: Sun, 8 May 2022 17:56:53 +0000 (+0100) Subject: iio: gyro: adis16130: Fix alignment for DMA safety X-Git-Tag: v6.6.17~6911^2~26^2~80 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ff3211b2ba9afac80ceb795d148831dd879b30b7;p=platform%2Fkernel%2Flinux-rpi.git iio: gyro: adis16130: 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: 8e67875141b2 ("staging:iio:gyro: adis16130 cleanup, move to abi and bug fixes.") Signed-off-by: Jonathan Cameron Acked-by: Nuno Sá Link: https://lore.kernel.org/r/20220508175712.647246-74-jic23@kernel.org --- diff --git a/drivers/iio/gyro/adis16130.c b/drivers/iio/gyro/adis16130.c index b9c952e..33cde9e 100644 --- a/drivers/iio/gyro/adis16130.c +++ b/drivers/iio/gyro/adis16130.c @@ -41,7 +41,7 @@ struct adis16130_state { struct spi_device *us; struct mutex buf_lock; - u8 buf[4] ____cacheline_aligned; + u8 buf[4] __aligned(IIO_DMA_MINALIGN); }; static int adis16130_spi_read(struct iio_dev *indio_dev, u8 reg_addr, u32 *val)