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iio: buffer: document iio_push_to_buffers_with_ts_unaligned() may sleep

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Add Context: documentation comment that
iio_push_to_buffers_with_ts_unaligned() may sleep because it calls
devm_krealloc().

Also document Return: value while here.

Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Lechner
2025-09-16 16:02:51 -05:00
committed by Jonathan Cameron
parent 97c8b5dedb
commit 6b166e815c
1 changed files with 3 additions and 0 deletions
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3
drivers/iio/industrialio-buffer.c
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@@ -2401,6 +2401,9 @@ EXPORT_SYMBOL_GPL(iio_push_to_buffers);
* not require space for the timestamp, or 8 byte alignment of data.
* It does however require an allocation on first call and additional
* copies on all calls, so should be avoided if possible.
*
* Context: May sleep.
* Return: 0 on success, negative error code on failure.
*/
int iio_push_to_buffers_with_ts_unaligned(struct iio_dev *indio_dev,
const void *data,