Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
iio: buffer-dma: Turn iio_dma_buffer_init() void
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>
authored by
Nuno Sá
and committed by
Jonathan Cameron
247a357a
07d6dc17
+4
-6
+2
-4
drivers/iio/buffer/industrialio-buffer-dma.c
+2
-4
drivers/iio/buffer/industrialio-buffer-dma.c
···
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* should refer to the device that will perform the DMA to ensure that
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* allocations are done from a memory region that can be accessed by the device.
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*/
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-
int iio_dma_buffer_init(struct iio_dma_buffer_queue *queue,
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-
struct device *dev, const struct iio_dma_buffer_ops *ops)
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+
void iio_dma_buffer_init(struct iio_dma_buffer_queue *queue, struct device *dev,
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const struct iio_dma_buffer_ops *ops)
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{
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iio_buffer_init(&queue->buffer);
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queue->buffer.length = PAGE_SIZE;
···
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mutex_init(&queue->lock);
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spin_lock_init(&queue->list_lock);
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-
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return 0;
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}
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EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_init, "IIO_DMA_BUFFER");
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+2
-2
include/linux/iio/buffer-dma.h
+2
-2
include/linux/iio/buffer-dma.h
···
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int iio_dma_buffer_set_length(struct iio_buffer *buffer, unsigned int length);
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int iio_dma_buffer_request_update(struct iio_buffer *buffer);
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-
int iio_dma_buffer_init(struct iio_dma_buffer_queue *queue,
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struct device *dma_dev, const struct iio_dma_buffer_ops *ops);
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+
void iio_dma_buffer_init(struct iio_dma_buffer_queue *queue, struct device *dev,
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const struct iio_dma_buffer_ops *ops);
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void iio_dma_buffer_exit(struct iio_dma_buffer_queue *queue);
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void iio_dma_buffer_release(struct iio_dma_buffer_queue *queue);
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