From: Jonathan Cameron Jonathan.Cameron@huawei.com
[ Upstream commit b0aa05065a0c1d1bffa10923dbc36f7193babbb7 ]
Second fix for this driver due to different introducing patches.
____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: 7f85e42a6c54 ("iio: imu: inv_icm42600: add buffer support in iio devices") Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Cc: Jean-Baptiste Maneyrol jmaneyrol@invensense.com Acked-by: Jean-Baptiste Maneyrol jean-baptiste.maneyrol@tdk.com Acked-by: Nuno Sá nuno.sa@analog.com Link: https://lore.kernel.org/r/20220508175712.647246-79-jic23@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h b/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h index de2a3949dcc7..8b85ee333bf8 100644 --- a/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h +++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.h @@ -39,7 +39,7 @@ struct inv_icm42600_fifo { size_t accel; size_t total; } nb; - uint8_t data[2080] ____cacheline_aligned; + uint8_t data[2080] __aligned(IIO_DMA_MINALIGN); };
/* FIFO data packet */