diff options
| author | Alexandru Ardelean <alexandru.ardelean@analog.com> | 2023-12-19 18:50:03 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2023-12-21 11:30:59 +0000 |
| commit | 996b2e046aee6e34f36c66254db128c10d6116f0 (patch) | |
| tree | 80c8ecbc5dda2126144b80a87e9441959fa9239d /drivers/iio | |
| parent | ee9ec49046951eff704752669f0c388b506ddbdf (diff) | |
iio: buffer-dma: split iio_dma_buffer_fileio_free() function
This change splits the logic into a separate function, which will be
re-used later.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Cc: Alexandru Ardelean <ardeleanalex@gmail.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20231219175009.65482-3-paul@crapouillou.net
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/buffer/industrialio-buffer-dma.c | 43 |
1 files changed, 24 insertions, 19 deletions
diff --git a/drivers/iio/buffer/industrialio-buffer-dma.c b/drivers/iio/buffer/industrialio-buffer-dma.c index 1fc91467d1aa..5610ba67925e 100644 --- a/drivers/iio/buffer/industrialio-buffer-dma.c +++ b/drivers/iio/buffer/industrialio-buffer-dma.c @@ -346,6 +346,29 @@ out_unlock: } EXPORT_SYMBOL_GPL(iio_dma_buffer_request_update); +static void iio_dma_buffer_fileio_free(struct iio_dma_buffer_queue *queue) +{ + unsigned int i; + + spin_lock_irq(&queue->list_lock); + for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) { + if (!queue->fileio.blocks[i]) + continue; + queue->fileio.blocks[i]->state = IIO_BLOCK_STATE_DEAD; + } + spin_unlock_irq(&queue->list_lock); + + INIT_LIST_HEAD(&queue->incoming); + + for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) { + if (!queue->fileio.blocks[i]) + continue; + iio_buffer_block_put(queue->fileio.blocks[i]); + queue->fileio.blocks[i] = NULL; + } + queue->fileio.active_block = NULL; +} + static void iio_dma_buffer_submit_block(struct iio_dma_buffer_queue *queue, struct iio_dma_buffer_block *block) { @@ -638,27 +661,9 @@ EXPORT_SYMBOL_GPL(iio_dma_buffer_init); */ void iio_dma_buffer_exit(struct iio_dma_buffer_queue *queue) { - unsigned int i; - mutex_lock(&queue->lock); - spin_lock_irq(&queue->list_lock); - for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) { - if (!queue->fileio.blocks[i]) - continue; - queue->fileio.blocks[i]->state = IIO_BLOCK_STATE_DEAD; - } - spin_unlock_irq(&queue->list_lock); - - INIT_LIST_HEAD(&queue->incoming); - - for (i = 0; i < ARRAY_SIZE(queue->fileio.blocks); i++) { - if (!queue->fileio.blocks[i]) - continue; - iio_buffer_block_put(queue->fileio.blocks[i]); - queue->fileio.blocks[i] = NULL; - } - queue->fileio.active_block = NULL; + iio_dma_buffer_fileio_free(queue); queue->ops = NULL; mutex_unlock(&queue->lock); |