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iio: buffer-dma: Turn iio_dma_buffer_init() void

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iio_dma_buffer_init() always return 0. Therefore there's no point in
returning int.

While at it, fix a mismatch between the function declaration and definition
regarding the struct device (dma_dev != dev).

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Nuno Sá
2025-12-21 11:58:01 +00:00
committed by Jonathan Cameron
parent 07d6dc1708
commit 247a357a91
2 changed files with 4 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/iio/buffer/industrialio-buffer-dma.c
+2 -4
View File
@@ -826,8 +826,8 @@ EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_set_length, "IIO_DMA_BUFFER");
* should refer to the device that will perform the DMA to ensure that
* allocations are done from a memory region that can be accessed by the device.
*/
int iio_dma_buffer_init(struct iio_dma_buffer_queue *queue,
struct device *dev, const struct iio_dma_buffer_ops *ops)
void iio_dma_buffer_init(struct iio_dma_buffer_queue *queue, struct device *dev,
const struct iio_dma_buffer_ops *ops)
{
iio_buffer_init(&queue->buffer);
queue->buffer.length = PAGE_SIZE;
@@ -839,8 +839,6 @@ int iio_dma_buffer_init(struct iio_dma_buffer_queue *queue,
mutex_init(&queue->lock);
spin_lock_init(&queue->list_lock);
return 0;
}
EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_init, "IIO_DMA_BUFFER");
include/linux/iio/buffer-dma.h
+2 -2
View File
@@ -157,8 +157,8 @@ int iio_dma_buffer_set_bytes_per_datum(struct iio_buffer *buffer, size_t bpd);
int iio_dma_buffer_set_length(struct iio_buffer *buffer, unsigned int length);
int iio_dma_buffer_request_update(struct iio_buffer *buffer);
int iio_dma_buffer_init(struct iio_dma_buffer_queue *queue,
struct device *dma_dev, const struct iio_dma_buffer_ops *ops);
void iio_dma_buffer_init(struct iio_dma_buffer_queue *queue, struct device *dev,
const struct iio_dma_buffer_ops *ops);
void iio_dma_buffer_exit(struct iio_dma_buffer_queue *queue);
void iio_dma_buffer_release(struct iio_dma_buffer_queue *queue);