We know that the buffer's alignment will always be a power of two; therefore, we can use the faster round_down() macro.
Signed-off-by: Paul Cercueil paul@crapouillou.net --- drivers/iio/buffer/industrialio-buffer-dmaengine.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c index 1ac94c4e9792..f8ce26a24c57 100644 --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c @@ -67,7 +67,7 @@ static int iio_dmaengine_buffer_submit_block(struct iio_dma_buffer_queue *queue, dma_cookie_t cookie;
block->bytes_used = min(block->size, dmaengine_buffer->max_size); - block->bytes_used = rounddown(block->bytes_used, + block->bytes_used = round_down(block->bytes_used, dmaengine_buffer->align);
desc = dmaengine_prep_slave_single(dmaengine_buffer->chan,