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path: root/drivers/iio/buffer/industrialio-buffer-dmaengine.c
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Diffstat (limited to 'drivers/iio/buffer/industrialio-buffer-dmaengine.c')
-rw-r--r--drivers/iio/buffer/industrialio-buffer-dmaengine.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
index 5f85ba38e6f6..a18c1da292af 100644
--- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c
+++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c
@@ -159,7 +159,7 @@ static const struct iio_dev_attr *iio_dmaengine_buffer_attrs[] = {
* Once done using the buffer iio_dmaengine_buffer_free() should be used to
* release it.
*/
-static struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
+struct iio_buffer *iio_dmaengine_buffer_alloc(struct device *dev,
const char *channel)
{
struct dmaengine_buffer *dmaengine_buffer;
@@ -210,6 +210,7 @@ err_free:
kfree(dmaengine_buffer);
return ERR_PTR(ret);
}
+EXPORT_SYMBOL_NS_GPL(iio_dmaengine_buffer_alloc, IIO_DMAENGINE_BUFFER);
/**
* iio_dmaengine_buffer_free() - Free dmaengine buffer
@@ -217,7 +218,7 @@ err_free:
*
* Frees a buffer previously allocated with iio_dmaengine_buffer_alloc().
*/
-static void iio_dmaengine_buffer_free(struct iio_buffer *buffer)
+void iio_dmaengine_buffer_free(struct iio_buffer *buffer)
{
struct dmaengine_buffer *dmaengine_buffer =
iio_buffer_to_dmaengine_buffer(buffer);
@@ -227,6 +228,7 @@ static void iio_dmaengine_buffer_free(struct iio_buffer *buffer)
iio_buffer_put(buffer);
}
+EXPORT_SYMBOL_NS_GPL(iio_dmaengine_buffer_free, IIO_DMAENGINE_BUFFER);
static void __devm_iio_dmaengine_buffer_free(void *buffer)
{
@@ -279,8 +281,7 @@ int devm_iio_dmaengine_buffer_setup(struct device *dev,
{
struct iio_buffer *buffer;
- buffer = devm_iio_dmaengine_buffer_alloc(indio_dev->dev.parent,
- channel);
+ buffer = devm_iio_dmaengine_buffer_alloc(dev, channel);
if (IS_ERR(buffer))
return PTR_ERR(buffer);
@@ -288,7 +289,7 @@ int devm_iio_dmaengine_buffer_setup(struct device *dev,
return iio_device_attach_buffer(indio_dev, buffer);
}
-EXPORT_SYMBOL_GPL(devm_iio_dmaengine_buffer_setup);
+EXPORT_SYMBOL_NS_GPL(devm_iio_dmaengine_buffer_setup, IIO_DMAENGINE_BUFFER);
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
MODULE_DESCRIPTION("DMA buffer for the IIO framework");