Commit 4991f3ea authored by Alexandru Ardelean's avatar Alexandru Ardelean Committed by Jonathan Cameron
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iio: buffer: dmaengine: obtain buffer object from attribute 



The reference to the IIO buffer object is stored on the attribute object.
So we need to unwind it to obtain it.

Signed-off-by: default avatarAlexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20210215104043.91251-16-alexandru.ardelean@analog.com


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 15097c7a

drivers/iio/buffer/industrialio-buffer-dmaengine.c

+2 −2
Original line number Diff line number Diff line
@@ -132,9 +132,9 @@ static const struct iio_dma_buffer_ops iio_dmaengine_default_ops = { 
static ssize_t iio_dmaengine_buffer_get_length_align(struct device *dev,

	struct device_attribute *attr, char *buf)

{

	struct iio_dev *indio_dev = dev_to_iio_dev(dev);

	struct iio_buffer *buffer = to_iio_dev_attr(attr)->buffer;

	struct dmaengine_buffer *dmaengine_buffer =

		iio_buffer_to_dmaengine_buffer(indio_dev->buffer);

		iio_buffer_to_dmaengine_buffer(buffer);



	return sprintf(buf, "%zu\n", dmaengine_buffer->align);

}