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-rw-r--r--drivers/iio/accel/kxsd9.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c
index 66b2e4cf24cf..0e18b92e2099 100644
--- a/drivers/iio/accel/kxsd9.c
+++ b/drivers/iio/accel/kxsd9.c
@@ -209,14 +209,20 @@ static irqreturn_t kxsd9_trigger_handler(int irq, void *p)
const struct iio_poll_func *pf = p;
struct iio_dev *indio_dev = pf->indio_dev;
struct kxsd9_state *st = iio_priv(indio_dev);
+ /*
+ * Ensure correct positioning and alignment of timestamp.
+ * No need to zero initialize as all elements written.
+ */
+ struct {
+ __be16 chan[4];
+ s64 ts __aligned(8);
+ } hw_values;
int ret;
- /* 4 * 16bit values AND timestamp */
- __be16 hw_values[8];
ret = regmap_bulk_read(st->map,
KXSD9_REG_X,
- &hw_values,
- 8);
+ hw_values.chan,
+ sizeof(hw_values.chan));
if (ret) {
dev_err(st->dev,
"error reading data\n");
@@ -224,7 +230,7 @@ static irqreturn_t kxsd9_trigger_handler(int irq, void *p)
}
iio_push_to_buffers_with_timestamp(indio_dev,
- hw_values,
+ &hw_values,
iio_get_time_ns(indio_dev));
iio_trigger_notify_done(indio_dev->trig);