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iio: imu: mpu6050: Fix alignment for DMA safety

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____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: 6b0cc5dce0 ("iio:imu:inv_mpu6050 Fix dma and ts alignment and data leak issues.")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.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/20220508175712.647246-80-jic23@kernel.org
This commit is contained in:
Jonathan Cameron 2022-05-08 18:56:59 +01:00
parent b0aa05065a
commit 54e03562bb
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
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@ -204,7 +204,7 @@ struct inv_mpu6050_state {
s32 magn_raw_to_gauss[3];
struct iio_mount_matrix magn_orient;
unsigned int suspended_sensors;
u8 data[INV_MPU6050_OUTPUT_DATA_SIZE] ____cacheline_aligned;
u8 data[INV_MPU6050_OUTPUT_DATA_SIZE] __aligned(IIO_DMA_MINALIGN);
};
/*register and associated bit definition*/