Fixes tag is correct up to kernel stable 4.18.
Before, the include file to fix is
drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.h:
commit 974e6f02e27 ("iio: cros_ec_sensors_core: Add common functions
for the ChromeOS EC Sensor Hub.") present since kernel stable 4.10.
Reviewed-by: Gwendal Grignou <gwendal@xxxxxxxxxxxx
On Sat, May 1, 2021 at 10:15 AM Jonathan Cameron <jic23@xxxxxxxxxx> wrote:
>
> From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
>
> The samples buffer is passed to iio_push_to_buffers_with_timestamp()
> which requires a buffer aligned to 8 bytes as it is assumed that
> the timestamp will be naturally aligned if present.
>
> Fixes tag is inaccurate but prior to that likely manual backporting needed.
>
> Fixes: 5a0b8cb46624c ("iio: cros_ec: Move cros_ec_sensors_core.h in /include")
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> Cc: Gwendal Grignou <gwendal@xxxxxxxxxxxx>
> ---
> include/linux/iio/common/cros_ec_sensors_core.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/iio/common/cros_ec_sensors_core.h b/include/linux/iio/common/cros_ec_sensors_core.h
> index 7ce8a8adad58..c582e1a14232 100644
> --- a/include/linux/iio/common/cros_ec_sensors_core.h
> +++ b/include/linux/iio/common/cros_ec_sensors_core.h
> @@ -77,7 +77,7 @@ struct cros_ec_sensors_core_state {
> u16 scale;
> } calib[CROS_EC_SENSOR_MAX_AXIS];
> s8 sign[CROS_EC_SENSOR_MAX_AXIS];
> - u8 samples[CROS_EC_SAMPLE_SIZE];
> + u8 samples[CROS_EC_SAMPLE_SIZE] __aligned(8);
>
> int (*read_ec_sensors_data)(struct iio_dev *indio_dev,
> unsigned long scan_mask, s16 *data);
> --
> 2.31.1
>
