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iio: buffer-dma: Rename iio_dma_buffer_data_available()

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Change its name to iio_dma_buffer_usage(), as this function can be used
both for the .data_available and the .space_available callbacks.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240419-iio-backend-axi-dac-v4-2-5ca45b4de294@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Paul Cercueil 2024-04-19 10:25:35 +02:00 committed by Jonathan Cameron
parent a094de22e2
commit 04ae3b1a76
3 changed files with 8 additions and 7 deletions
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11
drivers/iio/buffer/industrialio-buffer-dma.c
View file

@ -547,13 +547,14 @@ int iio_dma_buffer_read(struct iio_buffer *buffer, size_t n,
EXPORT_SYMBOL_GPL(iio_dma_buffer_read);
/**
* iio_dma_buffer_data_available() - DMA buffer data_available callback
* iio_dma_buffer_usage() - DMA buffer data_available and
* space_available callback
* @buf: Buffer to check for data availability
*
* Should be used as the data_available callback for iio_buffer_access_ops
* struct for DMA buffers.
* Should be used as the data_available and space_available callbacks for
* iio_buffer_access_ops struct for DMA buffers.
*/
size_t iio_dma_buffer_data_available(struct iio_buffer *buf)
size_t iio_dma_buffer_usage(struct iio_buffer *buf)
{
struct iio_dma_buffer_queue *queue = iio_buffer_to_queue(buf);
struct iio_dma_buffer_block *block;
@ -586,7 +587,7 @@ size_t iio_dma_buffer_data_available(struct iio_buffer *buf)
return data_available;
}
EXPORT_SYMBOL_GPL(iio_dma_buffer_data_available);
EXPORT_SYMBOL_GPL(iio_dma_buffer_usage);
/**
* iio_dma_buffer_set_bytes_per_datum() - DMA buffer set_bytes_per_datum callback

2
drivers/iio/buffer/industrialio-buffer-dmaengine.c
View file

@ -117,7 +117,7 @@ static const struct iio_buffer_access_funcs iio_dmaengine_buffer_ops = {
.request_update = iio_dma_buffer_request_update,
.enable = iio_dma_buffer_enable,
.disable = iio_dma_buffer_disable,
.data_available = iio_dma_buffer_data_available,
.data_available = iio_dma_buffer_usage,
.release = iio_dmaengine_buffer_release,
.modes = INDIO_BUFFER_HARDWARE,

2
include/linux/iio/buffer-dma.h
View file

@ -132,7 +132,7 @@ int iio_dma_buffer_disable(struct iio_buffer *buffer,
struct iio_dev *indio_dev);
int iio_dma_buffer_read(struct iio_buffer *buffer, size_t n,
char __user *user_buffer);
size_t iio_dma_buffer_data_available(struct iio_buffer *buffer);
size_t iio_dma_buffer_usage(struct iio_buffer *buffer);
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);