iio: light: adjd_s311: Use iio_push_to_buffers_with_ts() to allow source size runtime...

Also move the structure used as the source to the stack as it is only 16
bytes and not the target of an DMA or similar.

Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20250802164436.515988-9-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/light/adjd_s311.c b/drivers/iio/light/adjd_s311.c
index cf96e3dd8bc675e97e62f2cb456bf6e28537472a..edb3d9dc8bed3730cccf6b4bc90995eee84c7bc0 100644 (file)
--- a/drivers/iio/light/adjd_s311.c
+++ b/drivers/iio/light/adjd_s311.c
@@ -54,10 +54,6 @@
 
 struct adjd_s311_data {
        struct i2c_client *client;
-       struct {
-               s16 chans[4];
-               aligned_s64 ts;
-       } scan;
 };
 
 enum adjd_s311_channel_idx {
@@ -120,6 +116,10 @@ static irqreturn_t adjd_s311_trigger_handler(int irq, void *p)
        struct adjd_s311_data *data = iio_priv(indio_dev);
        s64 time_ns = iio_get_time_ns(indio_dev);
        int i, j = 0;
+       struct {
+               s16 chans[4];
+               aligned_s64 ts;
+       } scan = { };
 
        int ret = adjd_s311_req_data(indio_dev);
        if (ret < 0)
@@ -131,10 +131,10 @@ static irqreturn_t adjd_s311_trigger_handler(int irq, void *p)
                if (ret < 0)
                        goto done;
 
-               data->scan.chans[j++] = ret & ADJD_S311_DATA_MASK;
+               scan.chans[j++] = ret & ADJD_S311_DATA_MASK;
        }
 
-       iio_push_to_buffers_with_timestamp(indio_dev, &data->scan, time_ns);
+       iio_push_to_buffers_with_ts(indio_dev, &scan, sizeof(scan), time_ns);
 
 done:
        iio_trigger_notify_done(indio_dev->trig);