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authorMaxime Ripard <maxime@cerno.tech>2020-09-14 18:11:40 +0200
committerMaxime Ripard <maxime@cerno.tech>2020-09-14 18:11:40 +0200
commit00af6729b52ede86a08173c8d5f2c8cd9fa3390d (patch)
tree6a8cec3575d5cd49fffadb372b85da5475a266b0 /drivers/iio/magnetometer/ak8975.c
parentdrm: fix double free for gbo in drm_gem_vram_init and drm_gem_vram_create (diff)
parentMerge v5.9-rc5 into drm-next (diff)
downloadlinux-00af6729b52ede86a08173c8d5f2c8cd9fa3390d.tar.xz
linux-00af6729b52ede86a08173c8d5f2c8cd9fa3390d.zip
Merge drm/drm-next into drm-misc-next
Paul Cercueil needs some patches in -rc5 to apply new patches for ingenic properly. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/iio/magnetometer/ak8975.c')
-rw-r--r--drivers/iio/magnetometer/ak8975.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index 03d71f796177..623766ff800b 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -366,6 +366,12 @@ struct ak8975_data {
struct iio_mount_matrix orientation;
struct regulator *vdd;
struct regulator *vid;
+
+ /* Ensure natural alignment of timestamp */
+ struct {
+ s16 channels[3];
+ s64 ts __aligned(8);
+ } scan;
};
/* Enable attached power regulator if any. */
@@ -793,7 +799,6 @@ static void ak8975_fill_buffer(struct iio_dev *indio_dev)
const struct i2c_client *client = data->client;
const struct ak_def *def = data->def;
int ret;
- s16 buff[8]; /* 3 x 16 bits axis values + 1 aligned 64 bits timestamp */
__le16 fval[3];
mutex_lock(&data->lock);
@@ -816,12 +821,13 @@ static void ak8975_fill_buffer(struct iio_dev *indio_dev)
mutex_unlock(&data->lock);
/* Clamp to valid range. */
- buff[0] = clamp_t(s16, le16_to_cpu(fval[0]), -def->range, def->range);
- buff[1] = clamp_t(s16, le16_to_cpu(fval[1]), -def->range, def->range);
- buff[2] = clamp_t(s16, le16_to_cpu(fval[2]), -def->range, def->range);
+ data->scan.channels[0] = clamp_t(s16, le16_to_cpu(fval[0]), -def->range, def->range);
+ data->scan.channels[1] = clamp_t(s16, le16_to_cpu(fval[1]), -def->range, def->range);
+ data->scan.channels[2] = clamp_t(s16, le16_to_cpu(fval[2]), -def->range, def->range);
- iio_push_to_buffers_with_timestamp(indio_dev, buff,
+ iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
iio_get_time_ns(indio_dev));
+
return;
unlock: