iio: imu: inv_mpu6050: align buffer for timestamp

[ Upstream commit 1d2d8524eaffc4d9a116213520d2c650e07c9cc6 ]

Align the buffer used with iio_push_to_buffers_with_timestamp() to
ensure the s64 timestamp is aligned to 8 bytes.

Fixes: 0829edc43e0a ("iio: imu: inv_mpu6050: read the full fifo when processing data")
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250417-iio-more-timestamp-alignment-v1-7-eafac1e22318@baylibre.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
[ Adjust context ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c
index d4f9b5d8d28d6d7850f8e5dbf2a4f3c5d9b32d50..ace3ce4faea73a467759013f9e0ddd87795e166c 100644 (file)
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c
@@ -52,7 +52,7 @@ irqreturn_t inv_mpu6050_read_fifo(int irq, void *p)
        u16 fifo_count;
        u32 fifo_period;
        s64 timestamp;
-       u8 data[INV_MPU6050_OUTPUT_DATA_SIZE];
+       u8 data[INV_MPU6050_OUTPUT_DATA_SIZE] __aligned(8);
        int int_status;
        size_t i, nb;