diff options
Diffstat (limited to 'drivers/iio/buffer/industrialio-buffer-dma.c')
| -rw-r--r-- | drivers/iio/buffer/industrialio-buffer-dma.c | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/drivers/iio/buffer/industrialio-buffer-dma.c b/drivers/iio/buffer/industrialio-buffer-dma.c index dbde1443d6ed..7a7a9d37339b 100644 --- a/drivers/iio/buffer/industrialio-buffer-dma.c +++ b/drivers/iio/buffer/industrialio-buffer-dma.c @@ -248,7 +248,7 @@ void iio_dma_buffer_block_done(struct iio_dma_buffer_block *block) iio_dma_buffer_queue_wake(queue); dma_fence_end_signalling(cookie); } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_block_done, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_block_done, "IIO_DMA_BUFFER"); /** * iio_dma_buffer_block_list_abort() - Indicate that a list block has been @@ -287,7 +287,7 @@ void iio_dma_buffer_block_list_abort(struct iio_dma_buffer_queue *queue, iio_dma_buffer_queue_wake(queue); dma_fence_end_signalling(cookie); } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_block_list_abort, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_block_list_abort, "IIO_DMA_BUFFER"); static bool iio_dma_block_reusable(struct iio_dma_buffer_block *block) { @@ -420,7 +420,7 @@ out_unlock: return ret; } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_request_update, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_request_update, "IIO_DMA_BUFFER"); static void iio_dma_buffer_fileio_free(struct iio_dma_buffer_queue *queue) { @@ -506,7 +506,7 @@ int iio_dma_buffer_enable(struct iio_buffer *buffer, return 0; } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_enable, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_enable, "IIO_DMA_BUFFER"); /** * iio_dma_buffer_disable() - Disable DMA buffer @@ -530,7 +530,7 @@ int iio_dma_buffer_disable(struct iio_buffer *buffer, return 0; } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_disable, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_disable, "IIO_DMA_BUFFER"); static void iio_dma_buffer_enqueue(struct iio_dma_buffer_queue *queue, struct iio_dma_buffer_block *block) @@ -624,7 +624,7 @@ out_unlock: /** * iio_dma_buffer_read() - DMA buffer read callback - * @buffer: Buffer to read form + * @buffer: Buffer to read from * @n: Number of bytes to read * @user_buffer: Userspace buffer to copy the data to * @@ -636,11 +636,11 @@ int iio_dma_buffer_read(struct iio_buffer *buffer, size_t n, { return iio_dma_buffer_io(buffer, n, user_buffer, false); } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_read, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_read, "IIO_DMA_BUFFER"); /** * iio_dma_buffer_write() - DMA buffer write callback - * @buffer: Buffer to read form + * @buffer: Buffer to write to * @n: Number of bytes to read * @user_buffer: Userspace buffer to copy the data from * @@ -653,7 +653,7 @@ int iio_dma_buffer_write(struct iio_buffer *buffer, size_t n, return iio_dma_buffer_io(buffer, n, (__force __user char *)user_buffer, true); } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_write, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_write, "IIO_DMA_BUFFER"); /** * iio_dma_buffer_usage() - DMA buffer data_available and @@ -696,7 +696,7 @@ size_t iio_dma_buffer_usage(struct iio_buffer *buf) return data_available; } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_usage, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_usage, "IIO_DMA_BUFFER"); struct iio_dma_buffer_block * iio_dma_buffer_attach_dmabuf(struct iio_buffer *buffer, @@ -723,7 +723,7 @@ iio_dma_buffer_attach_dmabuf(struct iio_buffer *buffer, return block; } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_attach_dmabuf, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_attach_dmabuf, "IIO_DMA_BUFFER"); void iio_dma_buffer_detach_dmabuf(struct iio_buffer *buffer, struct iio_dma_buffer_block *block) @@ -731,7 +731,7 @@ void iio_dma_buffer_detach_dmabuf(struct iio_buffer *buffer, block->state = IIO_BLOCK_STATE_DEAD; iio_buffer_block_put_atomic(block); } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_detach_dmabuf, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_detach_dmabuf, "IIO_DMA_BUFFER"); static int iio_dma_can_enqueue_block(struct iio_dma_buffer_block *block) { @@ -784,7 +784,13 @@ out_end_signalling: return ret; } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_enqueue_dmabuf, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_enqueue_dmabuf, "IIO_DMA_BUFFER"); + +struct device *iio_dma_buffer_get_dma_dev(struct iio_buffer *buffer) +{ + return iio_buffer_to_queue(buffer)->dev; +} +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_get_dma_dev, "IIO_DMA_BUFFER"); void iio_dma_buffer_lock_queue(struct iio_buffer *buffer) { @@ -792,7 +798,7 @@ void iio_dma_buffer_lock_queue(struct iio_buffer *buffer) mutex_lock(&queue->lock); } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_lock_queue, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_lock_queue, "IIO_DMA_BUFFER"); void iio_dma_buffer_unlock_queue(struct iio_buffer *buffer) { @@ -800,7 +806,7 @@ void iio_dma_buffer_unlock_queue(struct iio_buffer *buffer) mutex_unlock(&queue->lock); } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_unlock_queue, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_unlock_queue, "IIO_DMA_BUFFER"); /** * iio_dma_buffer_set_bytes_per_datum() - DMA buffer set_bytes_per_datum callback @@ -816,7 +822,7 @@ int iio_dma_buffer_set_bytes_per_datum(struct iio_buffer *buffer, size_t bpd) return 0; } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_set_bytes_per_datum, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_set_bytes_per_datum, "IIO_DMA_BUFFER"); /** * iio_dma_buffer_set_length - DMA buffer set_length callback @@ -836,7 +842,7 @@ int iio_dma_buffer_set_length(struct iio_buffer *buffer, unsigned int length) return 0; } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_set_length, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_set_length, "IIO_DMA_BUFFER"); /** * iio_dma_buffer_init() - Initialize DMA buffer queue @@ -864,7 +870,7 @@ int iio_dma_buffer_init(struct iio_dma_buffer_queue *queue, return 0; } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_init, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_init, "IIO_DMA_BUFFER"); /** * iio_dma_buffer_exit() - Cleanup DMA buffer queue @@ -882,7 +888,7 @@ void iio_dma_buffer_exit(struct iio_dma_buffer_queue *queue) mutex_unlock(&queue->lock); } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_exit, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_exit, "IIO_DMA_BUFFER"); /** * iio_dma_buffer_release() - Release final buffer resources @@ -896,7 +902,7 @@ void iio_dma_buffer_release(struct iio_dma_buffer_queue *queue) { mutex_destroy(&queue->lock); } -EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_release, IIO_DMA_BUFFER); +EXPORT_SYMBOL_NS_GPL(iio_dma_buffer_release, "IIO_DMA_BUFFER"); MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>"); MODULE_DESCRIPTION("DMA buffer for the IIO framework"); |