* patch "iio: hid-sensor-humidity: Fix alignment issue of timestamp channel" added to staging-linus
@ 2021-03-15 15:35 gregkh
0 siblings, 0 replies; only message in thread
From: gregkh @ 2021-03-15 15:35 UTC (permalink / raw)
To: xiang.ye, Jonathan.Cameron, Stable
This is a note to let you know that I've just added the patch titled
iio: hid-sensor-humidity: Fix alignment issue of timestamp channel
to my staging git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git
in the staging-linus branch.
The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)
The patch will hopefully also be merged in Linus's tree for the
next -rc kernel release.
If you have any questions about this process, please let me know.
From 37e89e574dc238a4ebe439543c5ab4fbb2f0311b Mon Sep 17 00:00:00 2001
From: Ye Xiang <xiang.ye@intel.com>
Date: Wed, 3 Mar 2021 14:36:12 +0800
Subject: iio: hid-sensor-humidity: Fix alignment issue of timestamp channel
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 <xiang.ye@intel.com>
Cc: <Stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210303063615.12130-2-xiang.ye@intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
drivers/iio/humidity/hid-sensor-humidity.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/iio/humidity/hid-sensor-humidity.c b/drivers/iio/humidity/hid-sensor-humidity.c
index 52f605114ef7..d62705448ae2 100644
--- 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 hid_sensor_hub_device *hsdev,
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(struct hid_sensor_hub_device *hsdev,
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:
--
2.30.2
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2021-03-15 15:35 patch "iio: hid-sensor-humidity: Fix alignment issue of timestamp channel" added to staging-linus gregkh
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