[PATCH 5.10 132/157] iio: hid-sensor-humidity: Fix alignment issue of timestamp channel
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-03-22 12:53:13
Also in:
lkml
From: Ye Xiang <redacted>
commit 37e89e574dc238a4ebe439543c5ab4fbb2f0311b upstream.
This patch ensures that, there is sufficient space and correct
alignment for the timestamp.
Fixes: d7ed89d5aadf ("iio: hid: Add humidity sensor support")
Signed-off-by: Ye Xiang <redacted>
Cc: <redacted>
Link: https://lore.kernel.org/r/20210303063615.12130-2-xiang.ye@intel.com (local)
Signed-off-by: Jonathan Cameron <redacted>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/iio/humidity/hid-sensor-humidity.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
--- a/drivers/iio/humidity/hid-sensor-humidity.c
+++ b/drivers/iio/humidity/hid-sensor-humidity.c@@ -15,7 +15,10 @@ struct hid_humidity_state { struct hid_sensor_common common_attributes; struct hid_sensor_hub_attribute_info humidity_attr; - s32 humidity_data; + struct { + s32 humidity_data; + u64 timestamp __aligned(8); + } scan; int scale_pre_decml; int scale_post_decml; int scale_precision;
@@ -125,9 +128,8 @@ static int humidity_proc_event(struct hi struct hid_humidity_state *humid_st = iio_priv(indio_dev); if (atomic_read(&humid_st->common_attributes.data_ready)) - iio_push_to_buffers_with_timestamp(indio_dev, - &humid_st->humidity_data, - iio_get_time_ns(indio_dev)); + iio_push_to_buffers_with_timestamp(indio_dev, &humid_st->scan, + iio_get_time_ns(indio_dev)); return 0; }
@@ -142,7 +144,7 @@ static int humidity_capture_sample(struc switch (usage_id) { case HID_USAGE_SENSOR_ATMOSPHERIC_HUMIDITY: - humid_st->humidity_data = *(s32 *)raw_data; + humid_st->scan.humidity_data = *(s32 *)raw_data; return 0; default: